diff options
Diffstat (limited to 'thirdparty/STM32F10x_StdPeriph_Lib_V3.5.0/Libraries/STM32F10x_StdPeriph_Driver/src')
6 files changed, 5575 insertions, 0 deletions
diff --git a/thirdparty/STM32F10x_StdPeriph_Lib_V3.5.0/Libraries/STM32F10x_StdPeriph_Driver/src/stm32f10x_can.c b/thirdparty/STM32F10x_StdPeriph_Lib_V3.5.0/Libraries/STM32F10x_StdPeriph_Driver/src/stm32f10x_can.c new file mode 100644 index 0000000..ec8e049 --- /dev/null +++ b/thirdparty/STM32F10x_StdPeriph_Lib_V3.5.0/Libraries/STM32F10x_StdPeriph_Driver/src/stm32f10x_can.c @@ -0,0 +1,1415 @@ +/** + ****************************************************************************** + * @file stm32f10x_can.c + * @author MCD Application Team + * @version V3.5.0 + * @date 11-March-2011 + * @brief This file provides all the CAN firmware functions. + ****************************************************************************** + * @attention + * + * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS + * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE + * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY + * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING + * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE + * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS. + * + * <h2><center>© COPYRIGHT 2011 STMicroelectronics</center></h2> + ****************************************************************************** + */ + +/* Includes ------------------------------------------------------------------*/ +#include "stm32f10x_can.h" +#include "stm32f10x_rcc.h" + +/** @addtogroup STM32F10x_StdPeriph_Driver + * @{ + */ + +/** @defgroup CAN + * @brief CAN driver modules + * @{ + */ + +/** @defgroup CAN_Private_TypesDefinitions + * @{ + */ + +/** + * @} + */ + +/** @defgroup CAN_Private_Defines + * @{ + */ + +/* CAN Master Control Register bits */ + +#define MCR_DBF ((uint32_t)0x00010000) /* software master reset */ + +/* CAN Mailbox Transmit Request */ +#define TMIDxR_TXRQ ((uint32_t)0x00000001) /* Transmit mailbox request */ + +/* CAN Filter Master Register bits */ +#define FMR_FINIT ((uint32_t)0x00000001) /* Filter init mode */ + +/* Time out for INAK bit */ +#define INAK_TIMEOUT ((uint32_t)0x0000FFFF) +/* Time out for SLAK bit */ +#define SLAK_TIMEOUT ((uint32_t)0x0000FFFF) + + + +/* Flags in TSR register */ +#define CAN_FLAGS_TSR ((uint32_t)0x08000000) +/* Flags in RF1R register */ +#define CAN_FLAGS_RF1R ((uint32_t)0x04000000) +/* Flags in RF0R register */ +#define CAN_FLAGS_RF0R ((uint32_t)0x02000000) +/* Flags in MSR register */ +#define CAN_FLAGS_MSR ((uint32_t)0x01000000) +/* Flags in ESR register */ +#define CAN_FLAGS_ESR ((uint32_t)0x00F00000) + +/* Mailboxes definition */ +#define CAN_TXMAILBOX_0 ((uint8_t)0x00) +#define CAN_TXMAILBOX_1 ((uint8_t)0x01) +#define CAN_TXMAILBOX_2 ((uint8_t)0x02) + + + +#define CAN_MODE_MASK ((uint32_t) 0x00000003) +/** + * @} + */ + +/** @defgroup CAN_Private_Macros + * @{ + */ + +/** + * @} + */ + +/** @defgroup CAN_Private_Variables + * @{ + */ + +/** + * @} + */ + +/** @defgroup CAN_Private_FunctionPrototypes + * @{ + */ + +static ITStatus CheckITStatus(uint32_t CAN_Reg, uint32_t It_Bit); + +/** + * @} + */ + +/** @defgroup CAN_Private_Functions + * @{ + */ + +/** + * @brief Deinitializes the CAN peripheral registers to their default reset values. + * @param CANx: where x can be 1 or 2 to select the CAN peripheral. + * @retval None. + */ +void CAN_DeInit(CAN_TypeDef* CANx) +{ + /* Check the parameters */ + assert_param(IS_CAN_ALL_PERIPH(CANx)); + + if (CANx == CAN1) + { + /* Enable CAN1 reset state */ + RCC_APB1PeriphResetCmd(RCC_APB1Periph_CAN1, ENABLE); + /* Release CAN1 from reset state */ + RCC_APB1PeriphResetCmd(RCC_APB1Periph_CAN1, DISABLE); + } + else + { + /* Enable CAN2 reset state */ + RCC_APB1PeriphResetCmd(RCC_APB1Periph_CAN2, ENABLE); + /* Release CAN2 from reset state */ + RCC_APB1PeriphResetCmd(RCC_APB1Periph_CAN2, DISABLE); + } +} + +/** + * @brief Initializes the CAN peripheral according to the specified + * parameters in the CAN_InitStruct. + * @param CANx: where x can be 1 or 2 to to select the CAN + * peripheral. + * @param CAN_InitStruct: pointer to a CAN_InitTypeDef structure that + * contains the configuration information for the + * CAN peripheral. + * @retval Constant indicates initialization succeed which will be + * CAN_InitStatus_Failed or CAN_InitStatus_Success. + */ +uint8_t CAN_Init(CAN_TypeDef* CANx, CAN_InitTypeDef* CAN_InitStruct) +{ + uint8_t InitStatus = CAN_InitStatus_Failed; + uint32_t wait_ack = 0x00000000; + /* Check the parameters */ + assert_param(IS_CAN_ALL_PERIPH(CANx)); + assert_param(IS_FUNCTIONAL_STATE(CAN_InitStruct->CAN_TTCM)); + assert_param(IS_FUNCTIONAL_STATE(CAN_InitStruct->CAN_ABOM)); + assert_param(IS_FUNCTIONAL_STATE(CAN_InitStruct->CAN_AWUM)); + assert_param(IS_FUNCTIONAL_STATE(CAN_InitStruct->CAN_NART)); + assert_param(IS_FUNCTIONAL_STATE(CAN_InitStruct->CAN_RFLM)); + assert_param(IS_FUNCTIONAL_STATE(CAN_InitStruct->CAN_TXFP)); + assert_param(IS_CAN_MODE(CAN_InitStruct->CAN_Mode)); + assert_param(IS_CAN_SJW(CAN_InitStruct->CAN_SJW)); + assert_param(IS_CAN_BS1(CAN_InitStruct->CAN_BS1)); + assert_param(IS_CAN_BS2(CAN_InitStruct->CAN_BS2)); + assert_param(IS_CAN_PRESCALER(CAN_InitStruct->CAN_Prescaler)); + + /* Exit from sleep mode */ + CANx->MCR &= (~(uint32_t)CAN_MCR_SLEEP); + + /* Request initialisation */ + CANx->MCR |= CAN_MCR_INRQ ; + + /* Wait the acknowledge */ + while (((CANx->MSR & CAN_MSR_INAK) != CAN_MSR_INAK) && (wait_ack != INAK_TIMEOUT)) + { + wait_ack++; + } + + /* Check acknowledge */ + if ((CANx->MSR & CAN_MSR_INAK) != CAN_MSR_INAK) + { + InitStatus = CAN_InitStatus_Failed; + } + else + { + /* Set the time triggered communication mode */ + if (CAN_InitStruct->CAN_TTCM == ENABLE) + { + CANx->MCR |= CAN_MCR_TTCM; + } + else + { + CANx->MCR &= ~(uint32_t)CAN_MCR_TTCM; + } + + /* Set the automatic bus-off management */ + if (CAN_InitStruct->CAN_ABOM == ENABLE) + { + CANx->MCR |= CAN_MCR_ABOM; + } + else + { + CANx->MCR &= ~(uint32_t)CAN_MCR_ABOM; + } + + /* Set the automatic wake-up mode */ + if (CAN_InitStruct->CAN_AWUM == ENABLE) + { + CANx->MCR |= CAN_MCR_AWUM; + } + else + { + CANx->MCR &= ~(uint32_t)CAN_MCR_AWUM; + } + + /* Set the no automatic retransmission */ + if (CAN_InitStruct->CAN_NART == ENABLE) + { + CANx->MCR |= CAN_MCR_NART; + } + else + { + CANx->MCR &= ~(uint32_t)CAN_MCR_NART; + } + + /* Set the receive FIFO locked mode */ + if (CAN_InitStruct->CAN_RFLM == ENABLE) + { + CANx->MCR |= CAN_MCR_RFLM; + } + else + { + CANx->MCR &= ~(uint32_t)CAN_MCR_RFLM; + } + + /* Set the transmit FIFO priority */ + if (CAN_InitStruct->CAN_TXFP == ENABLE) + { + CANx->MCR |= CAN_MCR_TXFP; + } + else + { + CANx->MCR &= ~(uint32_t)CAN_MCR_TXFP; + } + + /* Set the bit timing register */ + CANx->BTR = (uint32_t)((uint32_t)CAN_InitStruct->CAN_Mode << 30) | \ + ((uint32_t)CAN_InitStruct->CAN_SJW << 24) | \ + ((uint32_t)CAN_InitStruct->CAN_BS1 << 16) | \ + ((uint32_t)CAN_InitStruct->CAN_BS2 << 20) | \ + ((uint32_t)CAN_InitStruct->CAN_Prescaler - 1); + + /* Request leave initialisation */ + CANx->MCR &= ~(uint32_t)CAN_MCR_INRQ; + + /* Wait the acknowledge */ + wait_ack = 0; + + while (((CANx->MSR & CAN_MSR_INAK) == CAN_MSR_INAK) && (wait_ack != INAK_TIMEOUT)) + { + wait_ack++; + } + + /* ...and check acknowledged */ + if ((CANx->MSR & CAN_MSR_INAK) == CAN_MSR_INAK) + { + InitStatus = CAN_InitStatus_Failed; + } + else + { + InitStatus = CAN_InitStatus_Success ; + } + } + + /* At this step, return the status of initialization */ + return InitStatus; +} + +/** + * @brief Initializes the CAN peripheral according to the specified + * parameters in the CAN_FilterInitStruct. + * @param CAN_FilterInitStruct: pointer to a CAN_FilterInitTypeDef + * structure that contains the configuration + * information. + * @retval None. + */ +void CAN_FilterInit(CAN_FilterInitTypeDef* CAN_FilterInitStruct) +{ + uint32_t filter_number_bit_pos = 0; + /* Check the parameters */ + assert_param(IS_CAN_FILTER_NUMBER(CAN_FilterInitStruct->CAN_FilterNumber)); + assert_param(IS_CAN_FILTER_MODE(CAN_FilterInitStruct->CAN_FilterMode)); + assert_param(IS_CAN_FILTER_SCALE(CAN_FilterInitStruct->CAN_FilterScale)); + assert_param(IS_CAN_FILTER_FIFO(CAN_FilterInitStruct->CAN_FilterFIFOAssignment)); + assert_param(IS_FUNCTIONAL_STATE(CAN_FilterInitStruct->CAN_FilterActivation)); + + filter_number_bit_pos = ((uint32_t)1) << CAN_FilterInitStruct->CAN_FilterNumber; + + /* Initialisation mode for the filter */ + CAN1->FMR |= FMR_FINIT; + + /* Filter Deactivation */ + CAN1->FA1R &= ~(uint32_t)filter_number_bit_pos; + + /* Filter Scale */ + if (CAN_FilterInitStruct->CAN_FilterScale == CAN_FilterScale_16bit) + { + /* 16-bit scale for the filter */ + CAN1->FS1R &= ~(uint32_t)filter_number_bit_pos; + + /* First 16-bit identifier and First 16-bit mask */ + /* Or First 16-bit identifier and Second 16-bit identifier */ + CAN1->sFilterRegister[CAN_FilterInitStruct->CAN_FilterNumber].FR1 = + ((0x0000FFFF & (uint32_t)CAN_FilterInitStruct->CAN_FilterMaskIdLow) << 16) | + (0x0000FFFF & (uint32_t)CAN_FilterInitStruct->CAN_FilterIdLow); + + /* Second 16-bit identifier and Second 16-bit mask */ + /* Or Third 16-bit identifier and Fourth 16-bit identifier */ + CAN1->sFilterRegister[CAN_FilterInitStruct->CAN_FilterNumber].FR2 = + ((0x0000FFFF & (uint32_t)CAN_FilterInitStruct->CAN_FilterMaskIdHigh) << 16) | + (0x0000FFFF & (uint32_t)CAN_FilterInitStruct->CAN_FilterIdHigh); + } + + if (CAN_FilterInitStruct->CAN_FilterScale == CAN_FilterScale_32bit) + { + /* 32-bit scale for the filter */ + CAN1->FS1R |= filter_number_bit_pos; + /* 32-bit identifier or First 32-bit identifier */ + CAN1->sFilterRegister[CAN_FilterInitStruct->CAN_FilterNumber].FR1 = + ((0x0000FFFF & (uint32_t)CAN_FilterInitStruct->CAN_FilterIdHigh) << 16) | + (0x0000FFFF & (uint32_t)CAN_FilterInitStruct->CAN_FilterIdLow); + /* 32-bit mask or Second 32-bit identifier */ + CAN1->sFilterRegister[CAN_FilterInitStruct->CAN_FilterNumber].FR2 = + ((0x0000FFFF & (uint32_t)CAN_FilterInitStruct->CAN_FilterMaskIdHigh) << 16) | + (0x0000FFFF & (uint32_t)CAN_FilterInitStruct->CAN_FilterMaskIdLow); + } + + /* Filter Mode */ + if (CAN_FilterInitStruct->CAN_FilterMode == CAN_FilterMode_IdMask) + { + /*Id/Mask mode for the filter*/ + CAN1->FM1R &= ~(uint32_t)filter_number_bit_pos; + } + else /* CAN_FilterInitStruct->CAN_FilterMode == CAN_FilterMode_IdList */ + { + /*Identifier list mode for the filter*/ + CAN1->FM1R |= (uint32_t)filter_number_bit_pos; + } + + /* Filter FIFO assignment */ + if (CAN_FilterInitStruct->CAN_FilterFIFOAssignment == CAN_Filter_FIFO0) + { + /* FIFO 0 assignation for the filter */ + CAN1->FFA1R &= ~(uint32_t)filter_number_bit_pos; + } + + if (CAN_FilterInitStruct->CAN_FilterFIFOAssignment == CAN_Filter_FIFO1) + { + /* FIFO 1 assignation for the filter */ + CAN1->FFA1R |= (uint32_t)filter_number_bit_pos; + } + + /* Filter activation */ + if (CAN_FilterInitStruct->CAN_FilterActivation == ENABLE) + { + CAN1->FA1R |= filter_number_bit_pos; + } + + /* Leave the initialisation mode for the filter */ + CAN1->FMR &= ~FMR_FINIT; +} + +/** + * @brief Fills each CAN_InitStruct member with its default value. + * @param CAN_InitStruct: pointer to a CAN_InitTypeDef structure which + * will be initialized. + * @retval None. + */ +void CAN_StructInit(CAN_InitTypeDef* CAN_InitStruct) +{ + /* Reset CAN init structure parameters values */ + + /* Initialize the time triggered communication mode */ + CAN_InitStruct->CAN_TTCM = DISABLE; + + /* Initialize the automatic bus-off management */ + CAN_InitStruct->CAN_ABOM = DISABLE; + + /* Initialize the automatic wake-up mode */ + CAN_InitStruct->CAN_AWUM = DISABLE; + + /* Initialize the no automatic retransmission */ + CAN_InitStruct->CAN_NART = DISABLE; + + /* Initialize the receive FIFO locked mode */ + CAN_InitStruct->CAN_RFLM = DISABLE; + + /* Initialize the transmit FIFO priority */ + CAN_InitStruct->CAN_TXFP = DISABLE; + + /* Initialize the CAN_Mode member */ + CAN_InitStruct->CAN_Mode = CAN_Mode_Normal; + + /* Initialize the CAN_SJW member */ + CAN_InitStruct->CAN_SJW = CAN_SJW_1tq; + + /* Initialize the CAN_BS1 member */ + CAN_InitStruct->CAN_BS1 = CAN_BS1_4tq; + + /* Initialize the CAN_BS2 member */ + CAN_InitStruct->CAN_BS2 = CAN_BS2_3tq; + + /* Initialize the CAN_Prescaler member */ + CAN_InitStruct->CAN_Prescaler = 1; +} + +/** + * @brief Select the start bank filter for slave CAN. + * @note This function applies only to STM32 Connectivity line devices. + * @param CAN_BankNumber: Select the start slave bank filter from 1..27. + * @retval None. + */ +void CAN_SlaveStartBank(uint8_t CAN_BankNumber) +{ + /* Check the parameters */ + assert_param(IS_CAN_BANKNUMBER(CAN_BankNumber)); + + /* Enter Initialisation mode for the filter */ + CAN1->FMR |= FMR_FINIT; + + /* Select the start slave bank */ + CAN1->FMR &= (uint32_t)0xFFFFC0F1 ; + CAN1->FMR |= (uint32_t)(CAN_BankNumber)<<8; + + /* Leave Initialisation mode for the filter */ + CAN1->FMR &= ~FMR_FINIT; +} + +/** + * @brief Enables or disables the DBG Freeze for CAN. + * @param CANx: where x can be 1 or 2 to to select the CAN peripheral. + * @param NewState: new state of the CAN peripheral. This parameter can + * be: ENABLE or DISABLE. + * @retval None. + */ +void CAN_DBGFreeze(CAN_TypeDef* CANx, FunctionalState NewState) +{ + /* Check the parameters */ + assert_param(IS_CAN_ALL_PERIPH(CANx)); + assert_param(IS_FUNCTIONAL_STATE(NewState)); + + if (NewState != DISABLE) + { + /* Enable Debug Freeze */ + CANx->MCR |= MCR_DBF; + } + else + { + /* Disable Debug Freeze */ + CANx->MCR &= ~MCR_DBF; + } +} + + +/** + * @brief Enables or disabes the CAN Time TriggerOperation communication mode. + * @param CANx: where x can be 1 or 2 to to select the CAN peripheral. + * @param NewState : Mode new state , can be one of @ref FunctionalState. + * @note when enabled, Time stamp (TIME[15:0]) value is sent in the last + * two data bytes of the 8-byte message: TIME[7:0] in data byte 6 + * and TIME[15:8] in data byte 7 + * @note DLC must be programmed as 8 in order Time Stamp (2 bytes) to be + * sent over the CAN bus. + * @retval None + */ +void CAN_TTComModeCmd(CAN_TypeDef* CANx, FunctionalState NewState) +{ + /* Check the parameters */ + assert_param(IS_CAN_ALL_PERIPH(CANx)); + assert_param(IS_FUNCTIONAL_STATE(NewState)); + if (NewState != DISABLE) + { + /* Enable the TTCM mode */ + CANx->MCR |= CAN_MCR_TTCM; + + /* Set TGT bits */ + CANx->sTxMailBox[0].TDTR |= ((uint32_t)CAN_TDT0R_TGT); + CANx->sTxMailBox[1].TDTR |= ((uint32_t)CAN_TDT1R_TGT); + CANx->sTxMailBox[2].TDTR |= ((uint32_t)CAN_TDT2R_TGT); + } + else + { + /* Disable the TTCM mode */ + CANx->MCR &= (uint32_t)(~(uint32_t)CAN_MCR_TTCM); + + /* Reset TGT bits */ + CANx->sTxMailBox[0].TDTR &= ((uint32_t)~CAN_TDT0R_TGT); + CANx->sTxMailBox[1].TDTR &= ((uint32_t)~CAN_TDT1R_TGT); + CANx->sTxMailBox[2].TDTR &= ((uint32_t)~CAN_TDT2R_TGT); + } +} +/** + * @brief Initiates the transmission of a message. + * @param CANx: where x can be 1 or 2 to to select the CAN peripheral. + * @param TxMessage: pointer to a structure which contains CAN Id, CAN + * DLC and CAN data. + * @retval The number of the mailbox that is used for transmission + * or CAN_TxStatus_NoMailBox if there is no empty mailbox. + */ +uint8_t CAN_Transmit(CAN_TypeDef* CANx, CanTxMsg* TxMessage) +{ + uint8_t transmit_mailbox = 0; + /* Check the parameters */ + assert_param(IS_CAN_ALL_PERIPH(CANx)); + assert_param(IS_CAN_IDTYPE(TxMessage->IDE)); + assert_param(IS_CAN_RTR(TxMessage->RTR)); + assert_param(IS_CAN_DLC(TxMessage->DLC)); + + /* Select one empty transmit mailbox */ + if ((CANx->TSR&CAN_TSR_TME0) == CAN_TSR_TME0) + { + transmit_mailbox = 0; + } + else if ((CANx->TSR&CAN_TSR_TME1) == CAN_TSR_TME1) + { + transmit_mailbox = 1; + } + else if ((CANx->TSR&CAN_TSR_TME2) == CAN_TSR_TME2) + { + transmit_mailbox = 2; + } + else + { + transmit_mailbox = CAN_TxStatus_NoMailBox; + } + + if (transmit_mailbox != CAN_TxStatus_NoMailBox) + { + /* Set up the Id */ + CANx->sTxMailBox[transmit_mailbox].TIR &= TMIDxR_TXRQ; + if (TxMessage->IDE == CAN_Id_Standard) + { + assert_param(IS_CAN_STDID(TxMessage->StdId)); + CANx->sTxMailBox[transmit_mailbox].TIR |= ((TxMessage->StdId << 21) | \ + TxMessage->RTR); + } + else + { + assert_param(IS_CAN_EXTID(TxMessage->ExtId)); + CANx->sTxMailBox[transmit_mailbox].TIR |= ((TxMessage->ExtId << 3) | \ + TxMessage->IDE | \ + TxMessage->RTR); + } + + /* Set up the DLC */ + TxMessage->DLC &= (uint8_t)0x0000000F; + CANx->sTxMailBox[transmit_mailbox].TDTR &= (uint32_t)0xFFFFFFF0; + CANx->sTxMailBox[transmit_mailbox].TDTR |= TxMessage->DLC; + + /* Set up the data field */ + CANx->sTxMailBox[transmit_mailbox].TDLR = (((uint32_t)TxMessage->Data[3] << 24) | + ((uint32_t)TxMessage->Data[2] << 16) | + ((uint32_t)TxMessage->Data[1] << 8) | + ((uint32_t)TxMessage->Data[0])); + CANx->sTxMailBox[transmit_mailbox].TDHR = (((uint32_t)TxMessage->Data[7] << 24) | + ((uint32_t)TxMessage->Data[6] << 16) | + ((uint32_t)TxMessage->Data[5] << 8) | + ((uint32_t)TxMessage->Data[4])); + /* Request transmission */ + CANx->sTxMailBox[transmit_mailbox].TIR |= TMIDxR_TXRQ; + } + return transmit_mailbox; +} + +/** + * @brief Checks the transmission of a message. + * @param CANx: where x can be 1 or 2 to to select the + * CAN peripheral. + * @param TransmitMailbox: the number of the mailbox that is used for + * transmission. + * @retval CAN_TxStatus_Ok if the CAN driver transmits the message, CAN_TxStatus_Failed + * in an other case. + */ +uint8_t CAN_TransmitStatus(CAN_TypeDef* CANx, uint8_t TransmitMailbox) +{ + uint32_t state = 0; + + /* Check the parameters */ + assert_param(IS_CAN_ALL_PERIPH(CANx)); + assert_param(IS_CAN_TRANSMITMAILBOX(TransmitMailbox)); + + switch (TransmitMailbox) + { + case (CAN_TXMAILBOX_0): + state = CANx->TSR & (CAN_TSR_RQCP0 | CAN_TSR_TXOK0 | CAN_TSR_TME0); + break; + case (CAN_TXMAILBOX_1): + state = CANx->TSR & (CAN_TSR_RQCP1 | CAN_TSR_TXOK1 | CAN_TSR_TME1); + break; + case (CAN_TXMAILBOX_2): + state = CANx->TSR & (CAN_TSR_RQCP2 | CAN_TSR_TXOK2 | CAN_TSR_TME2); + break; + default: + state = CAN_TxStatus_Failed; + break; + } + switch (state) + { + /* transmit pending */ + case (0x0): state = CAN_TxStatus_Pending; + break; + /* transmit failed */ + case (CAN_TSR_RQCP0 | CAN_TSR_TME0): state = CAN_TxStatus_Failed; + break; + case (CAN_TSR_RQCP1 | CAN_TSR_TME1): state = CAN_TxStatus_Failed; + break; + case (CAN_TSR_RQCP2 | CAN_TSR_TME2): state = CAN_TxStatus_Failed; + break; + /* transmit succeeded */ + case (CAN_TSR_RQCP0 | CAN_TSR_TXOK0 | CAN_TSR_TME0):state = CAN_TxStatus_Ok; + break; + case (CAN_TSR_RQCP1 | CAN_TSR_TXOK1 | CAN_TSR_TME1):state = CAN_TxStatus_Ok; + break; + case (CAN_TSR_RQCP2 | CAN_TSR_TXOK2 | CAN_TSR_TME2):state = CAN_TxStatus_Ok; + break; + default: state = CAN_TxStatus_Failed; + break; + } + return (uint8_t) state; +} + +/** + * @brief Cancels a transmit request. + * @param CANx: where x can be 1 or 2 to to select the CAN peripheral. + * @param Mailbox: Mailbox number. + * @retval None. + */ +void CAN_CancelTransmit(CAN_TypeDef* CANx, uint8_t Mailbox) +{ + /* Check the parameters */ + assert_param(IS_CAN_ALL_PERIPH(CANx)); + assert_param(IS_CAN_TRANSMITMAILBOX(Mailbox)); + /* abort transmission */ + switch (Mailbox) + { + case (CAN_TXMAILBOX_0): CANx->TSR |= CAN_TSR_ABRQ0; + break; + case (CAN_TXMAILBOX_1): CANx->TSR |= CAN_TSR_ABRQ1; + break; + case (CAN_TXMAILBOX_2): CANx->TSR |= CAN_TSR_ABRQ2; + break; + default: + break; + } +} + + +/** + * @brief Receives a message. + * @param CANx: where x can be 1 or 2 to to select the CAN peripheral. + * @param FIFONumber: Receive FIFO number, CAN_FIFO0 or CAN_FIFO1. + * @param RxMessage: pointer to a structure receive message which contains + * CAN Id, CAN DLC, CAN datas and FMI number. + * @retval None. + */ +void CAN_Receive(CAN_TypeDef* CANx, uint8_t FIFONumber, CanRxMsg* RxMessage) +{ + /* Check the parameters */ + assert_param(IS_CAN_ALL_PERIPH(CANx)); + assert_param(IS_CAN_FIFO(FIFONumber)); + /* Get the Id */ + RxMessage->IDE = (uint8_t)0x04 & CANx->sFIFOMailBox[FIFONumber].RIR; + if (RxMessage->IDE == CAN_Id_Standard) + { + RxMessage->StdId = (uint32_t)0x000007FF & (CANx->sFIFOMailBox[FIFONumber].RIR >> 21); + } + else + { + RxMessage->ExtId = (uint32_t)0x1FFFFFFF & (CANx->sFIFOMailBox[FIFONumber].RIR >> 3); + } + + RxMessage->RTR = (uint8_t)0x02 & CANx->sFIFOMailBox[FIFONumber].RIR; + /* Get the DLC */ + RxMessage->DLC = (uint8_t)0x0F & CANx->sFIFOMailBox[FIFONumber].RDTR; + /* Get the FMI */ + RxMessage->FMI = (uint8_t)0xFF & (CANx->sFIFOMailBox[FIFONumber].RDTR >> 8); + /* Get the data field */ + RxMessage->Data[0] = (uint8_t)0xFF & CANx->sFIFOMailBox[FIFONumber].RDLR; + RxMessage->Data[1] = (uint8_t)0xFF & (CANx->sFIFOMailBox[FIFONumber].RDLR >> 8); + RxMessage->Data[2] = (uint8_t)0xFF & (CANx->sFIFOMailBox[FIFONumber].RDLR >> 16); + RxMessage->Data[3] = (uint8_t)0xFF & (CANx->sFIFOMailBox[FIFONumber].RDLR >> 24); + RxMessage->Data[4] = (uint8_t)0xFF & CANx->sFIFOMailBox[FIFONumber].RDHR; + RxMessage->Data[5] = (uint8_t)0xFF & (CANx->sFIFOMailBox[FIFONumber].RDHR >> 8); + RxMessage->Data[6] = (uint8_t)0xFF & (CANx->sFIFOMailBox[FIFONumber].RDHR >> 16); + RxMessage->Data[7] = (uint8_t)0xFF & (CANx->sFIFOMailBox[FIFONumber].RDHR >> 24); + /* Release the FIFO */ + /* Release FIFO0 */ + if (FIFONumber == CAN_FIFO0) + { + CANx->RF0R |= CAN_RF0R_RFOM0; + } + /* Release FIFO1 */ + else /* FIFONumber == CAN_FIFO1 */ + { + CANx->RF1R |= CAN_RF1R_RFOM1; + } +} + +/** + * @brief Releases the specified FIFO. + * @param CANx: where x can be 1 or 2 to to select the CAN peripheral. + * @param FIFONumber: FIFO to release, CAN_FIFO0 or CAN_FIFO1. + * @retval None. + */ +void CAN_FIFORelease(CAN_TypeDef* CANx, uint8_t FIFONumber) +{ + /* Check the parameters */ + assert_param(IS_CAN_ALL_PERIPH(CANx)); + assert_param(IS_CAN_FIFO(FIFONumber)); + /* Release FIFO0 */ + if (FIFONumber == CAN_FIFO0) + { + CANx->RF0R |= CAN_RF0R_RFOM0; + } + /* Release FIFO1 */ + else /* FIFONumber == CAN_FIFO1 */ + { + CANx->RF1R |= CAN_RF1R_RFOM1; + } +} + +/** + * @brief Returns the number of pending messages. + * @param CANx: where x can be 1 or 2 to to select the CAN peripheral. + * @param FIFONumber: Receive FIFO number, CAN_FIFO0 or CAN_FIFO1. + * @retval NbMessage : which is the number of pending message. + */ +uint8_t CAN_MessagePending(CAN_TypeDef* CANx, uint8_t FIFONumber) +{ + uint8_t message_pending=0; + /* Check the parameters */ + assert_param(IS_CAN_ALL_PERIPH(CANx)); + assert_param(IS_CAN_FIFO(FIFONumber)); + if (FIFONumber == CAN_FIFO0) + { + message_pending = (uint8_t)(CANx->RF0R&(uint32_t)0x03); + } + else if (FIFONumber == CAN_FIFO1) + { + message_pending = (uint8_t)(CANx->RF1R&(uint32_t)0x03); + } + else + { + message_pending = 0; + } + return message_pending; +} + + +/** + * @brief Select the CAN Operation mode. + * @param CAN_OperatingMode : CAN Operating Mode. This parameter can be one + * of @ref CAN_OperatingMode_TypeDef enumeration. + * @retval status of the requested mode which can be + * - CAN_ModeStatus_Failed CAN failed entering the specific mode + * - CAN_ModeStatus_Success CAN Succeed entering the specific mode + + */ +uint8_t CAN_OperatingModeRequest(CAN_TypeDef* CANx, uint8_t CAN_OperatingMode) +{ + uint8_t status = CAN_ModeStatus_Failed; + + /* Timeout for INAK or also for SLAK bits*/ + uint32_t timeout = INAK_TIMEOUT; + + /* Check the parameters */ + assert_param(IS_CAN_ALL_PERIPH(CANx)); + assert_param(IS_CAN_OPERATING_MODE(CAN_OperatingMode)); + + if (CAN_OperatingMode == CAN_OperatingMode_Initialization) + { + /* Request initialisation */ + CANx->MCR = (uint32_t)((CANx->MCR & (uint32_t)(~(uint32_t)CAN_MCR_SLEEP)) | CAN_MCR_INRQ); + + /* Wait the acknowledge */ + while (((CANx->MSR & CAN_MODE_MASK) != CAN_MSR_INAK) && (timeout != 0)) + { + timeout--; + } + if ((CANx->MSR & CAN_MODE_MASK) != CAN_MSR_INAK) + { + status = CAN_ModeStatus_Failed; + } + else + { + status = CAN_ModeStatus_Success; + } + } + else if (CAN_OperatingMode == CAN_OperatingMode_Normal) + { + /* Request leave initialisation and sleep mode and enter Normal mode */ + CANx->MCR &= (uint32_t)(~(CAN_MCR_SLEEP|CAN_MCR_INRQ)); + + /* Wait the acknowledge */ + while (((CANx->MSR & CAN_MODE_MASK) != 0) && (timeout!=0)) + { + timeout--; + } + if ((CANx->MSR & CAN_MODE_MASK) != 0) + { + status = CAN_ModeStatus_Failed; + } + else + { + status = CAN_ModeStatus_Success; + } + } + else if (CAN_OperatingMode == CAN_OperatingMode_Sleep) + { + /* Request Sleep mode */ + CANx->MCR = (uint32_t)((CANx->MCR & (uint32_t)(~(uint32_t)CAN_MCR_INRQ)) | CAN_MCR_SLEEP); + + /* Wait the acknowledge */ + while (((CANx->MSR & CAN_MODE_MASK) != CAN_MSR_SLAK) && (timeout!=0)) + { + timeout--; + } + if ((CANx->MSR & CAN_MODE_MASK) != CAN_MSR_SLAK) + { + status = CAN_ModeStatus_Failed; + } + else + { + status = CAN_ModeStatus_Success; + } + } + else + { + status = CAN_ModeStatus_Failed; + } + + return (uint8_t) status; +} + +/** + * @brief Enters the low power mode. + * @param CANx: where x can be 1 or 2 to to select the CAN peripheral. + * @retval status: CAN_Sleep_Ok if sleep entered, CAN_Sleep_Failed in an + * other case. + */ +uint8_t CAN_Sleep(CAN_TypeDef* CANx) +{ + uint8_t sleepstatus = CAN_Sleep_Failed; + + /* Check the parameters */ + assert_param(IS_CAN_ALL_PERIPH(CANx)); + + /* Request Sleep mode */ + CANx->MCR = (((CANx->MCR) & (uint32_t)(~(uint32_t)CAN_MCR_INRQ)) | CAN_MCR_SLEEP); + + /* Sleep mode status */ + if ((CANx->MSR & (CAN_MSR_SLAK|CAN_MSR_INAK)) == CAN_MSR_SLAK) + { + /* Sleep mode not entered */ + sleepstatus = CAN_Sleep_Ok; + } + /* return sleep mode status */ + return (uint8_t)sleepstatus; +} + +/** + * @brief Wakes the CAN up. + * @param CANx: where x can be 1 or 2 to to select the CAN peripheral. + * @retval status: CAN_WakeUp_Ok if sleep mode left, CAN_WakeUp_Failed in an + * other case. + */ +uint8_t CAN_WakeUp(CAN_TypeDef* CANx) +{ + uint32_t wait_slak = SLAK_TIMEOUT; + uint8_t wakeupstatus = CAN_WakeUp_Failed; + + /* Check the parameters */ + assert_param(IS_CAN_ALL_PERIPH(CANx)); + + /* Wake up request */ + CANx->MCR &= ~(uint32_t)CAN_MCR_SLEEP; + + /* Sleep mode status */ + while(((CANx->MSR & CAN_MSR_SLAK) == CAN_MSR_SLAK)&&(wait_slak!=0x00)) + { + wait_slak--; + } + if((CANx->MSR & CAN_MSR_SLAK) != CAN_MSR_SLAK) + { + /* wake up done : Sleep mode exited */ + wakeupstatus = CAN_WakeUp_Ok; + } + /* return wakeup status */ + return (uint8_t)wakeupstatus; +} + + +/** + * @brief Returns the CANx's last error code (LEC). + * @param CANx: where x can be 1 or 2 to to select the CAN peripheral. + * @retval CAN_ErrorCode: specifies the Error code : + * - CAN_ERRORCODE_NoErr No Error + * - CAN_ERRORCODE_StuffErr Stuff Error + * - CAN_ERRORCODE_FormErr Form Error + * - CAN_ERRORCODE_ACKErr Acknowledgment Error + * - CAN_ERRORCODE_BitRecessiveErr Bit Recessive Error + * - CAN_ERRORCODE_BitDominantErr Bit Dominant Error + * - CAN_ERRORCODE_CRCErr CRC Error + * - CAN_ERRORCODE_SoftwareSetErr Software Set Error + */ + +uint8_t CAN_GetLastErrorCode(CAN_TypeDef* CANx) +{ + uint8_t errorcode=0; + + /* Check the parameters */ + assert_param(IS_CAN_ALL_PERIPH(CANx)); + + /* Get the error code*/ + errorcode = (((uint8_t)CANx->ESR) & (uint8_t)CAN_ESR_LEC); + + /* Return the error code*/ + return errorcode; +} +/** + * @brief Returns the CANx Receive Error Counter (REC). + * @note In case of an error during reception, this counter is incremented + * by 1 or by 8 depending on the error condition as defined by the CAN + * standard. After every successful reception, the counter is + * decremented by 1 or reset to 120 if its value was higher than 128. + * When the counter value exceeds 127, the CAN controller enters the + * error passive state. + * @param CANx: where x can be 1 or 2 to to select the CAN peripheral. + * @retval CAN Receive Error Counter. + */ +uint8_t CAN_GetReceiveErrorCounter(CAN_TypeDef* CANx) +{ + uint8_t counter=0; + + /* Check the parameters */ + assert_param(IS_CAN_ALL_PERIPH(CANx)); + + /* Get the Receive Error Counter*/ + counter = (uint8_t)((CANx->ESR & CAN_ESR_REC)>> 24); + + /* Return the Receive Error Counter*/ + return counter; +} + + +/** + * @brief Returns the LSB of the 9-bit CANx Transmit Error Counter(TEC). + * @param CANx: where x can be 1 or 2 to to select the CAN peripheral. + * @retval LSB of the 9-bit CAN Transmit Error Counter. + */ +uint8_t CAN_GetLSBTransmitErrorCounter(CAN_TypeDef* CANx) +{ + uint8_t counter=0; + + /* Check the parameters */ + assert_param(IS_CAN_ALL_PERIPH(CANx)); + + /* Get the LSB of the 9-bit CANx Transmit Error Counter(TEC) */ + counter = (uint8_t)((CANx->ESR & CAN_ESR_TEC)>> 16); + + /* Return the LSB of the 9-bit CANx Transmit Error Counter(TEC) */ + return counter; +} + + +/** + * @brief Enables or disables the specified CANx interrupts. + * @param CANx: where x can be 1 or 2 to to select the CAN peripheral. + * @param CAN_IT: specifies the CAN interrupt sources to be enabled or disabled. + * This parameter can be: + * - CAN_IT_TME, + * - CAN_IT_FMP0, + * - CAN_IT_FF0, + * - CAN_IT_FOV0, + * - CAN_IT_FMP1, + * - CAN_IT_FF1, + * - CAN_IT_FOV1, + * - CAN_IT_EWG, + * - CAN_IT_EPV, + * - CAN_IT_LEC, + * - CAN_IT_ERR, + * - CAN_IT_WKU or + * - CAN_IT_SLK. + * @param NewState: new state of the CAN interrupts. + * This parameter can be: ENABLE or DISABLE. + * @retval None. + */ +void CAN_ITConfig(CAN_TypeDef* CANx, uint32_t CAN_IT, FunctionalState NewState) +{ + /* Check the parameters */ + assert_param(IS_CAN_ALL_PERIPH(CANx)); + assert_param(IS_CAN_IT(CAN_IT)); + assert_param(IS_FUNCTIONAL_STATE(NewState)); + + if (NewState != DISABLE) + { + /* Enable the selected CANx interrupt */ + CANx->IER |= CAN_IT; + } + else + { + /* Disable the selected CANx interrupt */ + CANx->IER &= ~CAN_IT; + } +} +/** + * @brief Checks whether the specified CAN flag is set or not. + * @param CANx: where x can be 1 or 2 to to select the CAN peripheral. + * @param CAN_FLAG: specifies the flag to check. + * This parameter can be one of the following flags: + * - CAN_FLAG_EWG + * - CAN_FLAG_EPV + * - CAN_FLAG_BOF + * - CAN_FLAG_RQCP0 + * - CAN_FLAG_RQCP1 + * - CAN_FLAG_RQCP2 + * - CAN_FLAG_FMP1 + * - CAN_FLAG_FF1 + * - CAN_FLAG_FOV1 + * - CAN_FLAG_FMP0 + * - CAN_FLAG_FF0 + * - CAN_FLAG_FOV0 + * - CAN_FLAG_WKU + * - CAN_FLAG_SLAK + * - CAN_FLAG_LEC + * @retval The new state of CAN_FLAG (SET or RESET). + */ +FlagStatus CAN_GetFlagStatus(CAN_TypeDef* CANx, uint32_t CAN_FLAG) +{ + FlagStatus bitstatus = RESET; + + /* Check the parameters */ + assert_param(IS_CAN_ALL_PERIPH(CANx)); + assert_param(IS_CAN_GET_FLAG(CAN_FLAG)); + + + if((CAN_FLAG & CAN_FLAGS_ESR) != (uint32_t)RESET) + { + /* Check the status of the specified CAN flag */ + if ((CANx->ESR & (CAN_FLAG & 0x000FFFFF)) != (uint32_t)RESET) + { + /* CAN_FLAG is set */ + bitstatus = SET; + } + else + { + /* CAN_FLAG is reset */ + bitstatus = RESET; + } + } + else if((CAN_FLAG & CAN_FLAGS_MSR) != (uint32_t)RESET) + { + /* Check the status of the specified CAN flag */ + if ((CANx->MSR & (CAN_FLAG & 0x000FFFFF)) != (uint32_t)RESET) + { + /* CAN_FLAG is set */ + bitstatus = SET; + } + else + { + /* CAN_FLAG is reset */ + bitstatus = RESET; + } + } + else if((CAN_FLAG & CAN_FLAGS_TSR) != (uint32_t)RESET) + { + /* Check the status of the specified CAN flag */ + if ((CANx->TSR & (CAN_FLAG & 0x000FFFFF)) != (uint32_t)RESET) + { + /* CAN_FLAG is set */ + bitstatus = SET; + } + else + { + /* CAN_FLAG is reset */ + bitstatus = RESET; + } + } + else if((CAN_FLAG & CAN_FLAGS_RF0R) != (uint32_t)RESET) + { + /* Check the status of the specified CAN flag */ + if ((CANx->RF0R & (CAN_FLAG & 0x000FFFFF)) != (uint32_t)RESET) + { + /* CAN_FLAG is set */ + bitstatus = SET; + } + else + { + /* CAN_FLAG is reset */ + bitstatus = RESET; + } + } + else /* If(CAN_FLAG & CAN_FLAGS_RF1R != (uint32_t)RESET) */ + { + /* Check the status of the specified CAN flag */ + if ((uint32_t)(CANx->RF1R & (CAN_FLAG & 0x000FFFFF)) != (uint32_t)RESET) + { + /* CAN_FLAG is set */ + bitstatus = SET; + } + else + { + /* CAN_FLAG is reset */ + bitstatus = RESET; + } + } + /* Return the CAN_FLAG status */ + return bitstatus; +} + +/** + * @brief Clears the CAN's pending flags. + * @param CANx: where x can be 1 or 2 to to select the CAN peripheral. + * @param CAN_FLAG: specifies the flag to clear. + * This parameter can be one of the following flags: + * - CAN_FLAG_RQCP0 + * - CAN_FLAG_RQCP1 + * - CAN_FLAG_RQCP2 + * - CAN_FLAG_FF1 + * - CAN_FLAG_FOV1 + * - CAN_FLAG_FF0 + * - CAN_FLAG_FOV0 + * - CAN_FLAG_WKU + * - CAN_FLAG_SLAK + * - CAN_FLAG_LEC + * @retval None. + */ +void CAN_ClearFlag(CAN_TypeDef* CANx, uint32_t CAN_FLAG) +{ + uint32_t flagtmp=0; + /* Check the parameters */ + assert_param(IS_CAN_ALL_PERIPH(CANx)); + assert_param(IS_CAN_CLEAR_FLAG(CAN_FLAG)); + + if (CAN_FLAG == CAN_FLAG_LEC) /* ESR register */ + { + /* Clear the selected CAN flags */ + CANx->ESR = (uint32_t)RESET; + } + else /* MSR or TSR or RF0R or RF1R */ + { + flagtmp = CAN_FLAG & 0x000FFFFF; + + if ((CAN_FLAG & CAN_FLAGS_RF0R)!=(uint32_t)RESET) + { + /* Receive Flags */ + CANx->RF0R = (uint32_t)(flagtmp); + } + else if ((CAN_FLAG & CAN_FLAGS_RF1R)!=(uint32_t)RESET) + { + /* Receive Flags */ + CANx->RF1R = (uint32_t)(flagtmp); + } + else if ((CAN_FLAG & CAN_FLAGS_TSR)!=(uint32_t)RESET) + { + /* Transmit Flags */ + CANx->TSR = (uint32_t)(flagtmp); + } + else /* If((CAN_FLAG & CAN_FLAGS_MSR)!=(uint32_t)RESET) */ + { + /* Operating mode Flags */ + CANx->MSR = (uint32_t)(flagtmp); + } + } +} + +/** + * @brief Checks whether the specified CANx interrupt has occurred or not. + * @param CANx: where x can be 1 or 2 to to select the CAN peripheral. + * @param CAN_IT: specifies the CAN interrupt source to check. + * This parameter can be one of the following flags: + * - CAN_IT_TME + * - CAN_IT_FMP0 + * - CAN_IT_FF0 + * - CAN_IT_FOV0 + * - CAN_IT_FMP1 + * - CAN_IT_FF1 + * - CAN_IT_FOV1 + * - CAN_IT_WKU + * - CAN_IT_SLK + * - CAN_IT_EWG + * - CAN_IT_EPV + * - CAN_IT_BOF + * - CAN_IT_LEC + * - CAN_IT_ERR + * @retval The current state of CAN_IT (SET or RESET). + */ +ITStatus CAN_GetITStatus(CAN_TypeDef* CANx, uint32_t CAN_IT) +{ + ITStatus itstatus = RESET; + /* Check the parameters */ + assert_param(IS_CAN_ALL_PERIPH(CANx)); + assert_param(IS_CAN_IT(CAN_IT)); + + /* check the enable interrupt bit */ + if((CANx->IER & CAN_IT) != RESET) + { + /* in case the Interrupt is enabled, .... */ + switch (CAN_IT) + { + case CAN_IT_TME: + /* Check CAN_TSR_RQCPx bits */ + itstatus = CheckITStatus(CANx->TSR, CAN_TSR_RQCP0|CAN_TSR_RQCP1|CAN_TSR_RQCP2); + break; + case CAN_IT_FMP0: + /* Check CAN_RF0R_FMP0 bit */ + itstatus = CheckITStatus(CANx->RF0R, CAN_RF0R_FMP0); + break; + case CAN_IT_FF0: + /* Check CAN_RF0R_FULL0 bit */ + itstatus = CheckITStatus(CANx->RF0R, CAN_RF0R_FULL0); + break; + case CAN_IT_FOV0: + /* Check CAN_RF0R_FOVR0 bit */ + itstatus = CheckITStatus(CANx->RF0R, CAN_RF0R_FOVR0); + break; + case CAN_IT_FMP1: + /* Check CAN_RF1R_FMP1 bit */ + itstatus = CheckITStatus(CANx->RF1R, CAN_RF1R_FMP1); + break; + case CAN_IT_FF1: + /* Check CAN_RF1R_FULL1 bit */ + itstatus = CheckITStatus(CANx->RF1R, CAN_RF1R_FULL1); + break; + case CAN_IT_FOV1: + /* Check CAN_RF1R_FOVR1 bit */ + itstatus = CheckITStatus(CANx->RF1R, CAN_RF1R_FOVR1); + break; + case CAN_IT_WKU: + /* Check CAN_MSR_WKUI bit */ + itstatus = CheckITStatus(CANx->MSR, CAN_MSR_WKUI); + break; + case CAN_IT_SLK: + /* Check CAN_MSR_SLAKI bit */ + itstatus = CheckITStatus(CANx->MSR, CAN_MSR_SLAKI); + break; + case CAN_IT_EWG: + /* Check CAN_ESR_EWGF bit */ + itstatus = CheckITStatus(CANx->ESR, CAN_ESR_EWGF); + break; + case CAN_IT_EPV: + /* Check CAN_ESR_EPVF bit */ + itstatus = CheckITStatus(CANx->ESR, CAN_ESR_EPVF); + break; + case CAN_IT_BOF: + /* Check CAN_ESR_BOFF bit */ + itstatus = CheckITStatus(CANx->ESR, CAN_ESR_BOFF); + break; + case CAN_IT_LEC: + /* Check CAN_ESR_LEC bit */ + itstatus = CheckITStatus(CANx->ESR, CAN_ESR_LEC); + break; + case CAN_IT_ERR: + /* Check CAN_MSR_ERRI bit */ + itstatus = CheckITStatus(CANx->MSR, CAN_MSR_ERRI); + break; + default : + /* in case of error, return RESET */ + itstatus = RESET; + break; + } + } + else + { + /* in case the Interrupt is not enabled, return RESET */ + itstatus = RESET; + } + + /* Return the CAN_IT status */ + return itstatus; +} + +/** + * @brief Clears the CANx's interrupt pending bits. + * @param CANx: where x can be 1 or 2 to to select the CAN peripheral. + * @param CAN_IT: specifies the interrupt pending bit to clear. + * - CAN_IT_TME + * - CAN_IT_FF0 + * - CAN_IT_FOV0 + * - CAN_IT_FF1 + * - CAN_IT_FOV1 + * - CAN_IT_WKU + * - CAN_IT_SLK + * - CAN_IT_EWG + * - CAN_IT_EPV + * - CAN_IT_BOF + * - CAN_IT_LEC + * - CAN_IT_ERR + * @retval None. + */ +void CAN_ClearITPendingBit(CAN_TypeDef* CANx, uint32_t CAN_IT) +{ + /* Check the parameters */ + assert_param(IS_CAN_ALL_PERIPH(CANx)); + assert_param(IS_CAN_CLEAR_IT(CAN_IT)); + + switch (CAN_IT) + { + case CAN_IT_TME: + /* Clear CAN_TSR_RQCPx (rc_w1)*/ + CANx->TSR = CAN_TSR_RQCP0|CAN_TSR_RQCP1|CAN_TSR_RQCP2; + break; + case CAN_IT_FF0: + /* Clear CAN_RF0R_FULL0 (rc_w1)*/ + CANx->RF0R = CAN_RF0R_FULL0; + break; + case CAN_IT_FOV0: + /* Clear CAN_RF0R_FOVR0 (rc_w1)*/ + CANx->RF0R = CAN_RF0R_FOVR0; + break; + case CAN_IT_FF1: + /* Clear CAN_RF1R_FULL1 (rc_w1)*/ + CANx->RF1R = CAN_RF1R_FULL1; + break; + case CAN_IT_FOV1: + /* Clear CAN_RF1R_FOVR1 (rc_w1)*/ + CANx->RF1R = CAN_RF1R_FOVR1; + break; + case CAN_IT_WKU: + /* Clear CAN_MSR_WKUI (rc_w1)*/ + CANx->MSR = CAN_MSR_WKUI; + break; + case CAN_IT_SLK: + /* Clear CAN_MSR_SLAKI (rc_w1)*/ + CANx->MSR = CAN_MSR_SLAKI; + break; + case CAN_IT_EWG: + /* Clear CAN_MSR_ERRI (rc_w1) */ + CANx->MSR = CAN_MSR_ERRI; + /* Note : the corresponding Flag is cleared by hardware depending + of the CAN Bus status*/ + break; + case CAN_IT_EPV: + /* Clear CAN_MSR_ERRI (rc_w1) */ + CANx->MSR = CAN_MSR_ERRI; + /* Note : the corresponding Flag is cleared by hardware depending + of the CAN Bus status*/ + break; + case CAN_IT_BOF: + /* Clear CAN_MSR_ERRI (rc_w1) */ + CANx->MSR = CAN_MSR_ERRI; + /* Note : the corresponding Flag is cleared by hardware depending + of the CAN Bus status*/ + break; + case CAN_IT_LEC: + /* Clear LEC bits */ + CANx->ESR = RESET; + /* Clear CAN_MSR_ERRI (rc_w1) */ + CANx->MSR = CAN_MSR_ERRI; + break; + case CAN_IT_ERR: + /*Clear LEC bits */ + CANx->ESR = RESET; + /* Clear CAN_MSR_ERRI (rc_w1) */ + CANx->MSR = CAN_MSR_ERRI; + /* Note : BOFF, EPVF and EWGF Flags are cleared by hardware depending + of the CAN Bus status*/ + break; + default : + break; + } +} + +/** + * @brief Checks whether the CAN interrupt has occurred or not. + * @param CAN_Reg: specifies the CAN interrupt register to check. + * @param It_Bit: specifies the interrupt source bit to check. + * @retval The new state of the CAN Interrupt (SET or RESET). + */ +static ITStatus CheckITStatus(uint32_t CAN_Reg, uint32_t It_Bit) +{ + ITStatus pendingbitstatus = RESET; + + if ((CAN_Reg & It_Bit) != (uint32_t)RESET) + { + /* CAN_IT is set */ + pendingbitstatus = SET; + } + else + { + /* CAN_IT is reset */ + pendingbitstatus = RESET; + } + return pendingbitstatus; +} + + +/** + * @} + */ + +/** + * @} + */ + +/** + * @} + */ + +/******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/ diff --git a/thirdparty/STM32F10x_StdPeriph_Lib_V3.5.0/Libraries/STM32F10x_StdPeriph_Driver/src/stm32f10x_dma.c b/thirdparty/STM32F10x_StdPeriph_Lib_V3.5.0/Libraries/STM32F10x_StdPeriph_Driver/src/stm32f10x_dma.c new file mode 100644 index 0000000..bf072df --- /dev/null +++ b/thirdparty/STM32F10x_StdPeriph_Lib_V3.5.0/Libraries/STM32F10x_StdPeriph_Driver/src/stm32f10x_dma.c @@ -0,0 +1,714 @@ +/** + ****************************************************************************** + * @file stm32f10x_dma.c + * @author MCD Application Team + * @version V3.5.0 + * @date 11-March-2011 + * @brief This file provides all the DMA firmware functions. + ****************************************************************************** + * @attention + * + * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS + * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE + * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY + * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING + * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE + * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS. + * + * <h2><center>© COPYRIGHT 2011 STMicroelectronics</center></h2> + ****************************************************************************** + */ + +/* Includes ------------------------------------------------------------------*/ +#include "stm32f10x_dma.h" +#include "stm32f10x_rcc.h" + +/** @addtogroup STM32F10x_StdPeriph_Driver + * @{ + */ + +/** @defgroup DMA + * @brief DMA driver modules + * @{ + */ + +/** @defgroup DMA_Private_TypesDefinitions + * @{ + */ +/** + * @} + */ + +/** @defgroup DMA_Private_Defines + * @{ + */ + + +/* DMA1 Channelx interrupt pending bit masks */ +#define DMA1_Channel1_IT_Mask ((uint32_t)(DMA_ISR_GIF1 | DMA_ISR_TCIF1 | DMA_ISR_HTIF1 | DMA_ISR_TEIF1)) +#define DMA1_Channel2_IT_Mask ((uint32_t)(DMA_ISR_GIF2 | DMA_ISR_TCIF2 | DMA_ISR_HTIF2 | DMA_ISR_TEIF2)) +#define DMA1_Channel3_IT_Mask ((uint32_t)(DMA_ISR_GIF3 | DMA_ISR_TCIF3 | DMA_ISR_HTIF3 | DMA_ISR_TEIF3)) +#define DMA1_Channel4_IT_Mask ((uint32_t)(DMA_ISR_GIF4 | DMA_ISR_TCIF4 | DMA_ISR_HTIF4 | DMA_ISR_TEIF4)) +#define DMA1_Channel5_IT_Mask ((uint32_t)(DMA_ISR_GIF5 | DMA_ISR_TCIF5 | DMA_ISR_HTIF5 | DMA_ISR_TEIF5)) +#define DMA1_Channel6_IT_Mask ((uint32_t)(DMA_ISR_GIF6 | DMA_ISR_TCIF6 | DMA_ISR_HTIF6 | DMA_ISR_TEIF6)) +#define DMA1_Channel7_IT_Mask ((uint32_t)(DMA_ISR_GIF7 | DMA_ISR_TCIF7 | DMA_ISR_HTIF7 | DMA_ISR_TEIF7)) + +/* DMA2 Channelx interrupt pending bit masks */ +#define DMA2_Channel1_IT_Mask ((uint32_t)(DMA_ISR_GIF1 | DMA_ISR_TCIF1 | DMA_ISR_HTIF1 | DMA_ISR_TEIF1)) +#define DMA2_Channel2_IT_Mask ((uint32_t)(DMA_ISR_GIF2 | DMA_ISR_TCIF2 | DMA_ISR_HTIF2 | DMA_ISR_TEIF2)) +#define DMA2_Channel3_IT_Mask ((uint32_t)(DMA_ISR_GIF3 | DMA_ISR_TCIF3 | DMA_ISR_HTIF3 | DMA_ISR_TEIF3)) +#define DMA2_Channel4_IT_Mask ((uint32_t)(DMA_ISR_GIF4 | DMA_ISR_TCIF4 | DMA_ISR_HTIF4 | DMA_ISR_TEIF4)) +#define DMA2_Channel5_IT_Mask ((uint32_t)(DMA_ISR_GIF5 | DMA_ISR_TCIF5 | DMA_ISR_HTIF5 | DMA_ISR_TEIF5)) + +/* DMA2 FLAG mask */ +#define FLAG_Mask ((uint32_t)0x10000000) + +/* DMA registers Masks */ +#define CCR_CLEAR_Mask ((uint32_t)0xFFFF800F) + +/** + * @} + */ + +/** @defgroup DMA_Private_Macros + * @{ + */ + +/** + * @} + */ + +/** @defgroup DMA_Private_Variables + * @{ + */ + +/** + * @} + */ + +/** @defgroup DMA_Private_FunctionPrototypes + * @{ + */ + +/** + * @} + */ + +/** @defgroup DMA_Private_Functions + * @{ + */ + +/** + * @brief Deinitializes the DMAy Channelx registers to their default reset + * values. + * @param DMAy_Channelx: where y can be 1 or 2 to select the DMA and + * x can be 1 to 7 for DMA1 and 1 to 5 for DMA2 to select the DMA Channel. + * @retval None + */ +void DMA_DeInit(DMA_Channel_TypeDef* DMAy_Channelx) +{ + /* Check the parameters */ + assert_param(IS_DMA_ALL_PERIPH(DMAy_Channelx)); + + /* Disable the selected DMAy Channelx */ + DMAy_Channelx->CCR &= (uint16_t)(~DMA_CCR1_EN); + + /* Reset DMAy Channelx control register */ + DMAy_Channelx->CCR = 0; + + /* Reset DMAy Channelx remaining bytes register */ + DMAy_Channelx->CNDTR = 0; + + /* Reset DMAy Channelx peripheral address register */ + DMAy_Channelx->CPAR = 0; + + /* Reset DMAy Channelx memory address register */ + DMAy_Channelx->CMAR = 0; + + if (DMAy_Channelx == DMA1_Channel1) + { + /* Reset interrupt pending bits for DMA1 Channel1 */ + DMA1->IFCR |= DMA1_Channel1_IT_Mask; + } + else if (DMAy_Channelx == DMA1_Channel2) + { + /* Reset interrupt pending bits for DMA1 Channel2 */ + DMA1->IFCR |= DMA1_Channel2_IT_Mask; + } + else if (DMAy_Channelx == DMA1_Channel3) + { + /* Reset interrupt pending bits for DMA1 Channel3 */ + DMA1->IFCR |= DMA1_Channel3_IT_Mask; + } + else if (DMAy_Channelx == DMA1_Channel4) + { + /* Reset interrupt pending bits for DMA1 Channel4 */ + DMA1->IFCR |= DMA1_Channel4_IT_Mask; + } + else if (DMAy_Channelx == DMA1_Channel5) + { + /* Reset interrupt pending bits for DMA1 Channel5 */ + DMA1->IFCR |= DMA1_Channel5_IT_Mask; + } + else if (DMAy_Channelx == DMA1_Channel6) + { + /* Reset interrupt pending bits for DMA1 Channel6 */ + DMA1->IFCR |= DMA1_Channel6_IT_Mask; + } + else if (DMAy_Channelx == DMA1_Channel7) + { + /* Reset interrupt pending bits for DMA1 Channel7 */ + DMA1->IFCR |= DMA1_Channel7_IT_Mask; + } + else if (DMAy_Channelx == DMA2_Channel1) + { + /* Reset interrupt pending bits for DMA2 Channel1 */ + DMA2->IFCR |= DMA2_Channel1_IT_Mask; + } + else if (DMAy_Channelx == DMA2_Channel2) + { + /* Reset interrupt pending bits for DMA2 Channel2 */ + DMA2->IFCR |= DMA2_Channel2_IT_Mask; + } + else if (DMAy_Channelx == DMA2_Channel3) + { + /* Reset interrupt pending bits for DMA2 Channel3 */ + DMA2->IFCR |= DMA2_Channel3_IT_Mask; + } + else if (DMAy_Channelx == DMA2_Channel4) + { + /* Reset interrupt pending bits for DMA2 Channel4 */ + DMA2->IFCR |= DMA2_Channel4_IT_Mask; + } + else + { + if (DMAy_Channelx == DMA2_Channel5) + { + /* Reset interrupt pending bits for DMA2 Channel5 */ + DMA2->IFCR |= DMA2_Channel5_IT_Mask; + } + } +} + +/** + * @brief Initializes the DMAy Channelx according to the specified + * parameters in the DMA_InitStruct. + * @param DMAy_Channelx: where y can be 1 or 2 to select the DMA and + * x can be 1 to 7 for DMA1 and 1 to 5 for DMA2 to select the DMA Channel. + * @param DMA_InitStruct: pointer to a DMA_InitTypeDef structure that + * contains the configuration information for the specified DMA Channel. + * @retval None + */ +void DMA_Init(DMA_Channel_TypeDef* DMAy_Channelx, DMA_InitTypeDef* DMA_InitStruct) +{ + uint32_t tmpreg = 0; + + /* Check the parameters */ + assert_param(IS_DMA_ALL_PERIPH(DMAy_Channelx)); + assert_param(IS_DMA_DIR(DMA_InitStruct->DMA_DIR)); + assert_param(IS_DMA_BUFFER_SIZE(DMA_InitStruct->DMA_BufferSize)); + assert_param(IS_DMA_PERIPHERAL_INC_STATE(DMA_InitStruct->DMA_PeripheralInc)); + assert_param(IS_DMA_MEMORY_INC_STATE(DMA_InitStruct->DMA_MemoryInc)); + assert_param(IS_DMA_PERIPHERAL_DATA_SIZE(DMA_InitStruct->DMA_PeripheralDataSize)); + assert_param(IS_DMA_MEMORY_DATA_SIZE(DMA_InitStruct->DMA_MemoryDataSize)); + assert_param(IS_DMA_MODE(DMA_InitStruct->DMA_Mode)); + assert_param(IS_DMA_PRIORITY(DMA_InitStruct->DMA_Priority)); + assert_param(IS_DMA_M2M_STATE(DMA_InitStruct->DMA_M2M)); + +/*--------------------------- DMAy Channelx CCR Configuration -----------------*/ + /* Get the DMAy_Channelx CCR value */ + tmpreg = DMAy_Channelx->CCR; + /* Clear MEM2MEM, PL, MSIZE, PSIZE, MINC, PINC, CIRC and DIR bits */ + tmpreg &= CCR_CLEAR_Mask; + /* Configure DMAy Channelx: data transfer, data size, priority level and mode */ + /* Set DIR bit according to DMA_DIR value */ + /* Set CIRC bit according to DMA_Mode value */ + /* Set PINC bit according to DMA_PeripheralInc value */ + /* Set MINC bit according to DMA_MemoryInc value */ + /* Set PSIZE bits according to DMA_PeripheralDataSize value */ + /* Set MSIZE bits according to DMA_MemoryDataSize value */ + /* Set PL bits according to DMA_Priority value */ + /* Set the MEM2MEM bit according to DMA_M2M value */ + tmpreg |= DMA_InitStruct->DMA_DIR | DMA_InitStruct->DMA_Mode | + DMA_InitStruct->DMA_PeripheralInc | DMA_InitStruct->DMA_MemoryInc | + DMA_InitStruct->DMA_PeripheralDataSize | DMA_InitStruct->DMA_MemoryDataSize | + DMA_InitStruct->DMA_Priority | DMA_InitStruct->DMA_M2M; + + /* Write to DMAy Channelx CCR */ + DMAy_Channelx->CCR = tmpreg; + +/*--------------------------- DMAy Channelx CNDTR Configuration ---------------*/ + /* Write to DMAy Channelx CNDTR */ + DMAy_Channelx->CNDTR = DMA_InitStruct->DMA_BufferSize; + +/*--------------------------- DMAy Channelx CPAR Configuration ----------------*/ + /* Write to DMAy Channelx CPAR */ + DMAy_Channelx->CPAR = DMA_InitStruct->DMA_PeripheralBaseAddr; + +/*--------------------------- DMAy Channelx CMAR Configuration ----------------*/ + /* Write to DMAy Channelx CMAR */ + DMAy_Channelx->CMAR = DMA_InitStruct->DMA_MemoryBaseAddr; +} + +/** + * @brief Fills each DMA_InitStruct member with its default value. + * @param DMA_InitStruct : pointer to a DMA_InitTypeDef structure which will + * be initialized. + * @retval None + */ +void DMA_StructInit(DMA_InitTypeDef* DMA_InitStruct) +{ +/*-------------- Reset DMA init structure parameters values ------------------*/ + /* Initialize the DMA_PeripheralBaseAddr member */ + DMA_InitStruct->DMA_PeripheralBaseAddr = 0; + /* Initialize the DMA_MemoryBaseAddr member */ + DMA_InitStruct->DMA_MemoryBaseAddr = 0; + /* Initialize the DMA_DIR member */ + DMA_InitStruct->DMA_DIR = DMA_DIR_PeripheralSRC; + /* Initialize the DMA_BufferSize member */ + DMA_InitStruct->DMA_BufferSize = 0; + /* Initialize the DMA_PeripheralInc member */ + DMA_InitStruct->DMA_PeripheralInc = DMA_PeripheralInc_Disable; + /* Initialize the DMA_MemoryInc member */ + DMA_InitStruct->DMA_MemoryInc = DMA_MemoryInc_Disable; + /* Initialize the DMA_PeripheralDataSize member */ + DMA_InitStruct->DMA_PeripheralDataSize = DMA_PeripheralDataSize_Byte; + /* Initialize the DMA_MemoryDataSize member */ + DMA_InitStruct->DMA_MemoryDataSize = DMA_MemoryDataSize_Byte; + /* Initialize the DMA_Mode member */ + DMA_InitStruct->DMA_Mode = DMA_Mode_Normal; + /* Initialize the DMA_Priority member */ + DMA_InitStruct->DMA_Priority = DMA_Priority_Low; + /* Initialize the DMA_M2M member */ + DMA_InitStruct->DMA_M2M = DMA_M2M_Disable; +} + +/** + * @brief Enables or disables the specified DMAy Channelx. + * @param DMAy_Channelx: where y can be 1 or 2 to select the DMA and + * x can be 1 to 7 for DMA1 and 1 to 5 for DMA2 to select the DMA Channel. + * @param NewState: new state of the DMAy Channelx. + * This parameter can be: ENABLE or DISABLE. + * @retval None + */ +void DMA_Cmd(DMA_Channel_TypeDef* DMAy_Channelx, FunctionalState NewState) +{ + /* Check the parameters */ + assert_param(IS_DMA_ALL_PERIPH(DMAy_Channelx)); + assert_param(IS_FUNCTIONAL_STATE(NewState)); + + if (NewState != DISABLE) + { + /* Enable the selected DMAy Channelx */ + DMAy_Channelx->CCR |= DMA_CCR1_EN; + } + else + { + /* Disable the selected DMAy Channelx */ + DMAy_Channelx->CCR &= (uint16_t)(~DMA_CCR1_EN); + } +} + +/** + * @brief Enables or disables the specified DMAy Channelx interrupts. + * @param DMAy_Channelx: where y can be 1 or 2 to select the DMA and + * x can be 1 to 7 for DMA1 and 1 to 5 for DMA2 to select the DMA Channel. + * @param DMA_IT: specifies the DMA interrupts sources to be enabled + * or disabled. + * This parameter can be any combination of the following values: + * @arg DMA_IT_TC: Transfer complete interrupt mask + * @arg DMA_IT_HT: Half transfer interrupt mask + * @arg DMA_IT_TE: Transfer error interrupt mask + * @param NewState: new state of the specified DMA interrupts. + * This parameter can be: ENABLE or DISABLE. + * @retval None + */ +void DMA_ITConfig(DMA_Channel_TypeDef* DMAy_Channelx, uint32_t DMA_IT, FunctionalState NewState) +{ + /* Check the parameters */ + assert_param(IS_DMA_ALL_PERIPH(DMAy_Channelx)); + assert_param(IS_DMA_CONFIG_IT(DMA_IT)); + assert_param(IS_FUNCTIONAL_STATE(NewState)); + if (NewState != DISABLE) + { + /* Enable the selected DMA interrupts */ + DMAy_Channelx->CCR |= DMA_IT; + } + else + { + /* Disable the selected DMA interrupts */ + DMAy_Channelx->CCR &= ~DMA_IT; + } +} + +/** + * @brief Sets the number of data units in the current DMAy Channelx transfer. + * @param DMAy_Channelx: where y can be 1 or 2 to select the DMA and + * x can be 1 to 7 for DMA1 and 1 to 5 for DMA2 to select the DMA Channel. + * @param DataNumber: The number of data units in the current DMAy Channelx + * transfer. + * @note This function can only be used when the DMAy_Channelx is disabled. + * @retval None. + */ +void DMA_SetCurrDataCounter(DMA_Channel_TypeDef* DMAy_Channelx, uint16_t DataNumber) +{ + /* Check the parameters */ + assert_param(IS_DMA_ALL_PERIPH(DMAy_Channelx)); + +/*--------------------------- DMAy Channelx CNDTR Configuration ---------------*/ + /* Write to DMAy Channelx CNDTR */ + DMAy_Channelx->CNDTR = DataNumber; +} + +/** + * @brief Returns the number of remaining data units in the current + * DMAy Channelx transfer. + * @param DMAy_Channelx: where y can be 1 or 2 to select the DMA and + * x can be 1 to 7 for DMA1 and 1 to 5 for DMA2 to select the DMA Channel. + * @retval The number of remaining data units in the current DMAy Channelx + * transfer. + */ +uint16_t DMA_GetCurrDataCounter(DMA_Channel_TypeDef* DMAy_Channelx) +{ + /* Check the parameters */ + assert_param(IS_DMA_ALL_PERIPH(DMAy_Channelx)); + /* Return the number of remaining data units for DMAy Channelx */ + return ((uint16_t)(DMAy_Channelx->CNDTR)); +} + +/** + * @brief Checks whether the specified DMAy Channelx flag is set or not. + * @param DMAy_FLAG: specifies the flag to check. + * This parameter can be one of the following values: + * @arg DMA1_FLAG_GL1: DMA1 Channel1 global flag. + * @arg DMA1_FLAG_TC1: DMA1 Channel1 transfer complete flag. + * @arg DMA1_FLAG_HT1: DMA1 Channel1 half transfer flag. + * @arg DMA1_FLAG_TE1: DMA1 Channel1 transfer error flag. + * @arg DMA1_FLAG_GL2: DMA1 Channel2 global flag. + * @arg DMA1_FLAG_TC2: DMA1 Channel2 transfer complete flag. + * @arg DMA1_FLAG_HT2: DMA1 Channel2 half transfer flag. + * @arg DMA1_FLAG_TE2: DMA1 Channel2 transfer error flag. + * @arg DMA1_FLAG_GL3: DMA1 Channel3 global flag. + * @arg DMA1_FLAG_TC3: DMA1 Channel3 transfer complete flag. + * @arg DMA1_FLAG_HT3: DMA1 Channel3 half transfer flag. + * @arg DMA1_FLAG_TE3: DMA1 Channel3 transfer error flag. + * @arg DMA1_FLAG_GL4: DMA1 Channel4 global flag. + * @arg DMA1_FLAG_TC4: DMA1 Channel4 transfer complete flag. + * @arg DMA1_FLAG_HT4: DMA1 Channel4 half transfer flag. + * @arg DMA1_FLAG_TE4: DMA1 Channel4 transfer error flag. + * @arg DMA1_FLAG_GL5: DMA1 Channel5 global flag. + * @arg DMA1_FLAG_TC5: DMA1 Channel5 transfer complete flag. + * @arg DMA1_FLAG_HT5: DMA1 Channel5 half transfer flag. + * @arg DMA1_FLAG_TE5: DMA1 Channel5 transfer error flag. + * @arg DMA1_FLAG_GL6: DMA1 Channel6 global flag. + * @arg DMA1_FLAG_TC6: DMA1 Channel6 transfer complete flag. + * @arg DMA1_FLAG_HT6: DMA1 Channel6 half transfer flag. + * @arg DMA1_FLAG_TE6: DMA1 Channel6 transfer error flag. + * @arg DMA1_FLAG_GL7: DMA1 Channel7 global flag. + * @arg DMA1_FLAG_TC7: DMA1 Channel7 transfer complete flag. + * @arg DMA1_FLAG_HT7: DMA1 Channel7 half transfer flag. + * @arg DMA1_FLAG_TE7: DMA1 Channel7 transfer error flag. + * @arg DMA2_FLAG_GL1: DMA2 Channel1 global flag. + * @arg DMA2_FLAG_TC1: DMA2 Channel1 transfer complete flag. + * @arg DMA2_FLAG_HT1: DMA2 Channel1 half transfer flag. + * @arg DMA2_FLAG_TE1: DMA2 Channel1 transfer error flag. + * @arg DMA2_FLAG_GL2: DMA2 Channel2 global flag. + * @arg DMA2_FLAG_TC2: DMA2 Channel2 transfer complete flag. + * @arg DMA2_FLAG_HT2: DMA2 Channel2 half transfer flag. + * @arg DMA2_FLAG_TE2: DMA2 Channel2 transfer error flag. + * @arg DMA2_FLAG_GL3: DMA2 Channel3 global flag. + * @arg DMA2_FLAG_TC3: DMA2 Channel3 transfer complete flag. + * @arg DMA2_FLAG_HT3: DMA2 Channel3 half transfer flag. + * @arg DMA2_FLAG_TE3: DMA2 Channel3 transfer error flag. + * @arg DMA2_FLAG_GL4: DMA2 Channel4 global flag. + * @arg DMA2_FLAG_TC4: DMA2 Channel4 transfer complete flag. + * @arg DMA2_FLAG_HT4: DMA2 Channel4 half transfer flag. + * @arg DMA2_FLAG_TE4: DMA2 Channel4 transfer error flag. + * @arg DMA2_FLAG_GL5: DMA2 Channel5 global flag. + * @arg DMA2_FLAG_TC5: DMA2 Channel5 transfer complete flag. + * @arg DMA2_FLAG_HT5: DMA2 Channel5 half transfer flag. + * @arg DMA2_FLAG_TE5: DMA2 Channel5 transfer error flag. + * @retval The new state of DMAy_FLAG (SET or RESET). + */ +FlagStatus DMA_GetFlagStatus(uint32_t DMAy_FLAG) +{ + FlagStatus bitstatus = RESET; + uint32_t tmpreg = 0; + + /* Check the parameters */ + assert_param(IS_DMA_GET_FLAG(DMAy_FLAG)); + + /* Calculate the used DMAy */ + if ((DMAy_FLAG & FLAG_Mask) != (uint32_t)RESET) + { + /* Get DMA2 ISR register value */ + tmpreg = DMA2->ISR ; + } + else + { + /* Get DMA1 ISR register value */ + tmpreg = DMA1->ISR ; + } + + /* Check the status of the specified DMAy flag */ + if ((tmpreg & DMAy_FLAG) != (uint32_t)RESET) + { + /* DMAy_FLAG is set */ + bitstatus = SET; + } + else + { + /* DMAy_FLAG is reset */ + bitstatus = RESET; + } + + /* Return the DMAy_FLAG status */ + return bitstatus; +} + +/** + * @brief Clears the DMAy Channelx's pending flags. + * @param DMAy_FLAG: specifies the flag to clear. + * This parameter can be any combination (for the same DMA) of the following values: + * @arg DMA1_FLAG_GL1: DMA1 Channel1 global flag. + * @arg DMA1_FLAG_TC1: DMA1 Channel1 transfer complete flag. + * @arg DMA1_FLAG_HT1: DMA1 Channel1 half transfer flag. + * @arg DMA1_FLAG_TE1: DMA1 Channel1 transfer error flag. + * @arg DMA1_FLAG_GL2: DMA1 Channel2 global flag. + * @arg DMA1_FLAG_TC2: DMA1 Channel2 transfer complete flag. + * @arg DMA1_FLAG_HT2: DMA1 Channel2 half transfer flag. + * @arg DMA1_FLAG_TE2: DMA1 Channel2 transfer error flag. + * @arg DMA1_FLAG_GL3: DMA1 Channel3 global flag. + * @arg DMA1_FLAG_TC3: DMA1 Channel3 transfer complete flag. + * @arg DMA1_FLAG_HT3: DMA1 Channel3 half transfer flag. + * @arg DMA1_FLAG_TE3: DMA1 Channel3 transfer error flag. + * @arg DMA1_FLAG_GL4: DMA1 Channel4 global flag. + * @arg DMA1_FLAG_TC4: DMA1 Channel4 transfer complete flag. + * @arg DMA1_FLAG_HT4: DMA1 Channel4 half transfer flag. + * @arg DMA1_FLAG_TE4: DMA1 Channel4 transfer error flag. + * @arg DMA1_FLAG_GL5: DMA1 Channel5 global flag. + * @arg DMA1_FLAG_TC5: DMA1 Channel5 transfer complete flag. + * @arg DMA1_FLAG_HT5: DMA1 Channel5 half transfer flag. + * @arg DMA1_FLAG_TE5: DMA1 Channel5 transfer error flag. + * @arg DMA1_FLAG_GL6: DMA1 Channel6 global flag. + * @arg DMA1_FLAG_TC6: DMA1 Channel6 transfer complete flag. + * @arg DMA1_FLAG_HT6: DMA1 Channel6 half transfer flag. + * @arg DMA1_FLAG_TE6: DMA1 Channel6 transfer error flag. + * @arg DMA1_FLAG_GL7: DMA1 Channel7 global flag. + * @arg DMA1_FLAG_TC7: DMA1 Channel7 transfer complete flag. + * @arg DMA1_FLAG_HT7: DMA1 Channel7 half transfer flag. + * @arg DMA1_FLAG_TE7: DMA1 Channel7 transfer error flag. + * @arg DMA2_FLAG_GL1: DMA2 Channel1 global flag. + * @arg DMA2_FLAG_TC1: DMA2 Channel1 transfer complete flag. + * @arg DMA2_FLAG_HT1: DMA2 Channel1 half transfer flag. + * @arg DMA2_FLAG_TE1: DMA2 Channel1 transfer error flag. + * @arg DMA2_FLAG_GL2: DMA2 Channel2 global flag. + * @arg DMA2_FLAG_TC2: DMA2 Channel2 transfer complete flag. + * @arg DMA2_FLAG_HT2: DMA2 Channel2 half transfer flag. + * @arg DMA2_FLAG_TE2: DMA2 Channel2 transfer error flag. + * @arg DMA2_FLAG_GL3: DMA2 Channel3 global flag. + * @arg DMA2_FLAG_TC3: DMA2 Channel3 transfer complete flag. + * @arg DMA2_FLAG_HT3: DMA2 Channel3 half transfer flag. + * @arg DMA2_FLAG_TE3: DMA2 Channel3 transfer error flag. + * @arg DMA2_FLAG_GL4: DMA2 Channel4 global flag. + * @arg DMA2_FLAG_TC4: DMA2 Channel4 transfer complete flag. + * @arg DMA2_FLAG_HT4: DMA2 Channel4 half transfer flag. + * @arg DMA2_FLAG_TE4: DMA2 Channel4 transfer error flag. + * @arg DMA2_FLAG_GL5: DMA2 Channel5 global flag. + * @arg DMA2_FLAG_TC5: DMA2 Channel5 transfer complete flag. + * @arg DMA2_FLAG_HT5: DMA2 Channel5 half transfer flag. + * @arg DMA2_FLAG_TE5: DMA2 Channel5 transfer error flag. + * @retval None + */ +void DMA_ClearFlag(uint32_t DMAy_FLAG) +{ + /* Check the parameters */ + assert_param(IS_DMA_CLEAR_FLAG(DMAy_FLAG)); + + /* Calculate the used DMAy */ + if ((DMAy_FLAG & FLAG_Mask) != (uint32_t)RESET) + { + /* Clear the selected DMAy flags */ + DMA2->IFCR = DMAy_FLAG; + } + else + { + /* Clear the selected DMAy flags */ + DMA1->IFCR = DMAy_FLAG; + } +} + +/** + * @brief Checks whether the specified DMAy Channelx interrupt has occurred or not. + * @param DMAy_IT: specifies the DMAy interrupt source to check. + * This parameter can be one of the following values: + * @arg DMA1_IT_GL1: DMA1 Channel1 global interrupt. + * @arg DMA1_IT_TC1: DMA1 Channel1 transfer complete interrupt. + * @arg DMA1_IT_HT1: DMA1 Channel1 half transfer interrupt. + * @arg DMA1_IT_TE1: DMA1 Channel1 transfer error interrupt. + * @arg DMA1_IT_GL2: DMA1 Channel2 global interrupt. + * @arg DMA1_IT_TC2: DMA1 Channel2 transfer complete interrupt. + * @arg DMA1_IT_HT2: DMA1 Channel2 half transfer interrupt. + * @arg DMA1_IT_TE2: DMA1 Channel2 transfer error interrupt. + * @arg DMA1_IT_GL3: DMA1 Channel3 global interrupt. + * @arg DMA1_IT_TC3: DMA1 Channel3 transfer complete interrupt. + * @arg DMA1_IT_HT3: DMA1 Channel3 half transfer interrupt. + * @arg DMA1_IT_TE3: DMA1 Channel3 transfer error interrupt. + * @arg DMA1_IT_GL4: DMA1 Channel4 global interrupt. + * @arg DMA1_IT_TC4: DMA1 Channel4 transfer complete interrupt. + * @arg DMA1_IT_HT4: DMA1 Channel4 half transfer interrupt. + * @arg DMA1_IT_TE4: DMA1 Channel4 transfer error interrupt. + * @arg DMA1_IT_GL5: DMA1 Channel5 global interrupt. + * @arg DMA1_IT_TC5: DMA1 Channel5 transfer complete interrupt. + * @arg DMA1_IT_HT5: DMA1 Channel5 half transfer interrupt. + * @arg DMA1_IT_TE5: DMA1 Channel5 transfer error interrupt. + * @arg DMA1_IT_GL6: DMA1 Channel6 global interrupt. + * @arg DMA1_IT_TC6: DMA1 Channel6 transfer complete interrupt. + * @arg DMA1_IT_HT6: DMA1 Channel6 half transfer interrupt. + * @arg DMA1_IT_TE6: DMA1 Channel6 transfer error interrupt. + * @arg DMA1_IT_GL7: DMA1 Channel7 global interrupt. + * @arg DMA1_IT_TC7: DMA1 Channel7 transfer complete interrupt. + * @arg DMA1_IT_HT7: DMA1 Channel7 half transfer interrupt. + * @arg DMA1_IT_TE7: DMA1 Channel7 transfer error interrupt. + * @arg DMA2_IT_GL1: DMA2 Channel1 global interrupt. + * @arg DMA2_IT_TC1: DMA2 Channel1 transfer complete interrupt. + * @arg DMA2_IT_HT1: DMA2 Channel1 half transfer interrupt. + * @arg DMA2_IT_TE1: DMA2 Channel1 transfer error interrupt. + * @arg DMA2_IT_GL2: DMA2 Channel2 global interrupt. + * @arg DMA2_IT_TC2: DMA2 Channel2 transfer complete interrupt. + * @arg DMA2_IT_HT2: DMA2 Channel2 half transfer interrupt. + * @arg DMA2_IT_TE2: DMA2 Channel2 transfer error interrupt. + * @arg DMA2_IT_GL3: DMA2 Channel3 global interrupt. + * @arg DMA2_IT_TC3: DMA2 Channel3 transfer complete interrupt. + * @arg DMA2_IT_HT3: DMA2 Channel3 half transfer interrupt. + * @arg DMA2_IT_TE3: DMA2 Channel3 transfer error interrupt. + * @arg DMA2_IT_GL4: DMA2 Channel4 global interrupt. + * @arg DMA2_IT_TC4: DMA2 Channel4 transfer complete interrupt. + * @arg DMA2_IT_HT4: DMA2 Channel4 half transfer interrupt. + * @arg DMA2_IT_TE4: DMA2 Channel4 transfer error interrupt. + * @arg DMA2_IT_GL5: DMA2 Channel5 global interrupt. + * @arg DMA2_IT_TC5: DMA2 Channel5 transfer complete interrupt. + * @arg DMA2_IT_HT5: DMA2 Channel5 half transfer interrupt. + * @arg DMA2_IT_TE5: DMA2 Channel5 transfer error interrupt. + * @retval The new state of DMAy_IT (SET or RESET). + */ +ITStatus DMA_GetITStatus(uint32_t DMAy_IT) +{ + ITStatus bitstatus = RESET; + uint32_t tmpreg = 0; + + /* Check the parameters */ + assert_param(IS_DMA_GET_IT(DMAy_IT)); + + /* Calculate the used DMA */ + if ((DMAy_IT & FLAG_Mask) != (uint32_t)RESET) + { + /* Get DMA2 ISR register value */ + tmpreg = DMA2->ISR; + } + else + { + /* Get DMA1 ISR register value */ + tmpreg = DMA1->ISR; + } + + /* Check the status of the specified DMAy interrupt */ + if ((tmpreg & DMAy_IT) != (uint32_t)RESET) + { + /* DMAy_IT is set */ + bitstatus = SET; + } + else + { + /* DMAy_IT is reset */ + bitstatus = RESET; + } + /* Return the DMA_IT status */ + return bitstatus; +} + +/** + * @brief Clears the DMAy Channelx's interrupt pending bits. + * @param DMAy_IT: specifies the DMAy interrupt pending bit to clear. + * This parameter can be any combination (for the same DMA) of the following values: + * @arg DMA1_IT_GL1: DMA1 Channel1 global interrupt. + * @arg DMA1_IT_TC1: DMA1 Channel1 transfer complete interrupt. + * @arg DMA1_IT_HT1: DMA1 Channel1 half transfer interrupt. + * @arg DMA1_IT_TE1: DMA1 Channel1 transfer error interrupt. + * @arg DMA1_IT_GL2: DMA1 Channel2 global interrupt. + * @arg DMA1_IT_TC2: DMA1 Channel2 transfer complete interrupt. + * @arg DMA1_IT_HT2: DMA1 Channel2 half transfer interrupt. + * @arg DMA1_IT_TE2: DMA1 Channel2 transfer error interrupt. + * @arg DMA1_IT_GL3: DMA1 Channel3 global interrupt. + * @arg DMA1_IT_TC3: DMA1 Channel3 transfer complete interrupt. + * @arg DMA1_IT_HT3: DMA1 Channel3 half transfer interrupt. + * @arg DMA1_IT_TE3: DMA1 Channel3 transfer error interrupt. + * @arg DMA1_IT_GL4: DMA1 Channel4 global interrupt. + * @arg DMA1_IT_TC4: DMA1 Channel4 transfer complete interrupt. + * @arg DMA1_IT_HT4: DMA1 Channel4 half transfer interrupt. + * @arg DMA1_IT_TE4: DMA1 Channel4 transfer error interrupt. + * @arg DMA1_IT_GL5: DMA1 Channel5 global interrupt. + * @arg DMA1_IT_TC5: DMA1 Channel5 transfer complete interrupt. + * @arg DMA1_IT_HT5: DMA1 Channel5 half transfer interrupt. + * @arg DMA1_IT_TE5: DMA1 Channel5 transfer error interrupt. + * @arg DMA1_IT_GL6: DMA1 Channel6 global interrupt. + * @arg DMA1_IT_TC6: DMA1 Channel6 transfer complete interrupt. + * @arg DMA1_IT_HT6: DMA1 Channel6 half transfer interrupt. + * @arg DMA1_IT_TE6: DMA1 Channel6 transfer error interrupt. + * @arg DMA1_IT_GL7: DMA1 Channel7 global interrupt. + * @arg DMA1_IT_TC7: DMA1 Channel7 transfer complete interrupt. + * @arg DMA1_IT_HT7: DMA1 Channel7 half transfer interrupt. + * @arg DMA1_IT_TE7: DMA1 Channel7 transfer error interrupt. + * @arg DMA2_IT_GL1: DMA2 Channel1 global interrupt. + * @arg DMA2_IT_TC1: DMA2 Channel1 transfer complete interrupt. + * @arg DMA2_IT_HT1: DMA2 Channel1 half transfer interrupt. + * @arg DMA2_IT_TE1: DMA2 Channel1 transfer error interrupt. + * @arg DMA2_IT_GL2: DMA2 Channel2 global interrupt. + * @arg DMA2_IT_TC2: DMA2 Channel2 transfer complete interrupt. + * @arg DMA2_IT_HT2: DMA2 Channel2 half transfer interrupt. + * @arg DMA2_IT_TE2: DMA2 Channel2 transfer error interrupt. + * @arg DMA2_IT_GL3: DMA2 Channel3 global interrupt. + * @arg DMA2_IT_TC3: DMA2 Channel3 transfer complete interrupt. + * @arg DMA2_IT_HT3: DMA2 Channel3 half transfer interrupt. + * @arg DMA2_IT_TE3: DMA2 Channel3 transfer error interrupt. + * @arg DMA2_IT_GL4: DMA2 Channel4 global interrupt. + * @arg DMA2_IT_TC4: DMA2 Channel4 transfer complete interrupt. + * @arg DMA2_IT_HT4: DMA2 Channel4 half transfer interrupt. + * @arg DMA2_IT_TE4: DMA2 Channel4 transfer error interrupt. + * @arg DMA2_IT_GL5: DMA2 Channel5 global interrupt. + * @arg DMA2_IT_TC5: DMA2 Channel5 transfer complete interrupt. + * @arg DMA2_IT_HT5: DMA2 Channel5 half transfer interrupt. + * @arg DMA2_IT_TE5: DMA2 Channel5 transfer error interrupt. + * @retval None + */ +void DMA_ClearITPendingBit(uint32_t DMAy_IT) +{ + /* Check the parameters */ + assert_param(IS_DMA_CLEAR_IT(DMAy_IT)); + + /* Calculate the used DMAy */ + if ((DMAy_IT & FLAG_Mask) != (uint32_t)RESET) + { + /* Clear the selected DMAy interrupt pending bits */ + DMA2->IFCR = DMAy_IT; + } + else + { + /* Clear the selected DMAy interrupt pending bits */ + DMA1->IFCR = DMAy_IT; + } +} + +/** + * @} + */ + +/** + * @} + */ + +/** + * @} + */ + +/******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/ diff --git a/thirdparty/STM32F10x_StdPeriph_Lib_V3.5.0/Libraries/STM32F10x_StdPeriph_Driver/src/stm32f10x_exti.c b/thirdparty/STM32F10x_StdPeriph_Lib_V3.5.0/Libraries/STM32F10x_StdPeriph_Driver/src/stm32f10x_exti.c new file mode 100644 index 0000000..b6290d5 --- /dev/null +++ b/thirdparty/STM32F10x_StdPeriph_Lib_V3.5.0/Libraries/STM32F10x_StdPeriph_Driver/src/stm32f10x_exti.c @@ -0,0 +1,269 @@ +/** + ****************************************************************************** + * @file stm32f10x_exti.c + * @author MCD Application Team + * @version V3.5.0 + * @date 11-March-2011 + * @brief This file provides all the EXTI firmware functions. + ****************************************************************************** + * @attention + * + * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS + * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE + * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY + * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING + * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE + * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS. + * + * <h2><center>© COPYRIGHT 2011 STMicroelectronics</center></h2> + ****************************************************************************** + */ + +/* Includes ------------------------------------------------------------------*/ +#include "stm32f10x_exti.h" + +/** @addtogroup STM32F10x_StdPeriph_Driver + * @{ + */ + +/** @defgroup EXTI + * @brief EXTI driver modules + * @{ + */ + +/** @defgroup EXTI_Private_TypesDefinitions + * @{ + */ + +/** + * @} + */ + +/** @defgroup EXTI_Private_Defines + * @{ + */ + +#define EXTI_LINENONE ((uint32_t)0x00000) /* No interrupt selected */ + +/** + * @} + */ + +/** @defgroup EXTI_Private_Macros + * @{ + */ + +/** + * @} + */ + +/** @defgroup EXTI_Private_Variables + * @{ + */ + +/** + * @} + */ + +/** @defgroup EXTI_Private_FunctionPrototypes + * @{ + */ + +/** + * @} + */ + +/** @defgroup EXTI_Private_Functions + * @{ + */ + +/** + * @brief Deinitializes the EXTI peripheral registers to their default reset values. + * @param None + * @retval None + */ +void EXTI_DeInit(void) +{ + EXTI->IMR = 0x00000000; + EXTI->EMR = 0x00000000; + EXTI->RTSR = 0x00000000; + EXTI->FTSR = 0x00000000; + EXTI->PR = 0x000FFFFF; +} + +/** + * @brief Initializes the EXTI peripheral according to the specified + * parameters in the EXTI_InitStruct. + * @param EXTI_InitStruct: pointer to a EXTI_InitTypeDef structure + * that contains the configuration information for the EXTI peripheral. + * @retval None + */ +void EXTI_Init(EXTI_InitTypeDef* EXTI_InitStruct) +{ + uint32_t tmp = 0; + + /* Check the parameters */ + assert_param(IS_EXTI_MODE(EXTI_InitStruct->EXTI_Mode)); + assert_param(IS_EXTI_TRIGGER(EXTI_InitStruct->EXTI_Trigger)); + assert_param(IS_EXTI_LINE(EXTI_InitStruct->EXTI_Line)); + assert_param(IS_FUNCTIONAL_STATE(EXTI_InitStruct->EXTI_LineCmd)); + + tmp = (uint32_t)EXTI_BASE; + + if (EXTI_InitStruct->EXTI_LineCmd != DISABLE) + { + /* Clear EXTI line configuration */ + EXTI->IMR &= ~EXTI_InitStruct->EXTI_Line; + EXTI->EMR &= ~EXTI_InitStruct->EXTI_Line; + + tmp += EXTI_InitStruct->EXTI_Mode; + + *(__IO uint32_t *) tmp |= EXTI_InitStruct->EXTI_Line; + + /* Clear Rising Falling edge configuration */ + EXTI->RTSR &= ~EXTI_InitStruct->EXTI_Line; + EXTI->FTSR &= ~EXTI_InitStruct->EXTI_Line; + + /* Select the trigger for the selected external interrupts */ + if (EXTI_InitStruct->EXTI_Trigger == EXTI_Trigger_Rising_Falling) + { + /* Rising Falling edge */ + EXTI->RTSR |= EXTI_InitStruct->EXTI_Line; + EXTI->FTSR |= EXTI_InitStruct->EXTI_Line; + } + else + { + tmp = (uint32_t)EXTI_BASE; + tmp += EXTI_InitStruct->EXTI_Trigger; + + *(__IO uint32_t *) tmp |= EXTI_InitStruct->EXTI_Line; + } + } + else + { + tmp += EXTI_InitStruct->EXTI_Mode; + + /* Disable the selected external lines */ + *(__IO uint32_t *) tmp &= ~EXTI_InitStruct->EXTI_Line; + } +} + +/** + * @brief Fills each EXTI_InitStruct member with its reset value. + * @param EXTI_InitStruct: pointer to a EXTI_InitTypeDef structure which will + * be initialized. + * @retval None + */ +void EXTI_StructInit(EXTI_InitTypeDef* EXTI_InitStruct) +{ + EXTI_InitStruct->EXTI_Line = EXTI_LINENONE; + EXTI_InitStruct->EXTI_Mode = EXTI_Mode_Interrupt; + EXTI_InitStruct->EXTI_Trigger = EXTI_Trigger_Falling; + EXTI_InitStruct->EXTI_LineCmd = DISABLE; +} + +/** + * @brief Generates a Software interrupt. + * @param EXTI_Line: specifies the EXTI lines to be enabled or disabled. + * This parameter can be any combination of EXTI_Linex where x can be (0..19). + * @retval None + */ +void EXTI_GenerateSWInterrupt(uint32_t EXTI_Line) +{ + /* Check the parameters */ + assert_param(IS_EXTI_LINE(EXTI_Line)); + + EXTI->SWIER |= EXTI_Line; +} + +/** + * @brief Checks whether the specified EXTI line flag is set or not. + * @param EXTI_Line: specifies the EXTI line flag to check. + * This parameter can be: + * @arg EXTI_Linex: External interrupt line x where x(0..19) + * @retval The new state of EXTI_Line (SET or RESET). + */ +FlagStatus EXTI_GetFlagStatus(uint32_t EXTI_Line) +{ + FlagStatus bitstatus = RESET; + /* Check the parameters */ + assert_param(IS_GET_EXTI_LINE(EXTI_Line)); + + if ((EXTI->PR & EXTI_Line) != (uint32_t)RESET) + { + bitstatus = SET; + } + else + { + bitstatus = RESET; + } + return bitstatus; +} + +/** + * @brief Clears the EXTI's line pending flags. + * @param EXTI_Line: specifies the EXTI lines flags to clear. + * This parameter can be any combination of EXTI_Linex where x can be (0..19). + * @retval None + */ +void EXTI_ClearFlag(uint32_t EXTI_Line) +{ + /* Check the parameters */ + assert_param(IS_EXTI_LINE(EXTI_Line)); + + EXTI->PR = EXTI_Line; +} + +/** + * @brief Checks whether the specified EXTI line is asserted or not. + * @param EXTI_Line: specifies the EXTI line to check. + * This parameter can be: + * @arg EXTI_Linex: External interrupt line x where x(0..19) + * @retval The new state of EXTI_Line (SET or RESET). + */ +ITStatus EXTI_GetITStatus(uint32_t EXTI_Line) +{ + ITStatus bitstatus = RESET; + uint32_t enablestatus = 0; + /* Check the parameters */ + assert_param(IS_GET_EXTI_LINE(EXTI_Line)); + + enablestatus = EXTI->IMR & EXTI_Line; + if (((EXTI->PR & EXTI_Line) != (uint32_t)RESET) && (enablestatus != (uint32_t)RESET)) + { + bitstatus = SET; + } + else + { + bitstatus = RESET; + } + return bitstatus; +} + +/** + * @brief Clears the EXTI's line pending bits. + * @param EXTI_Line: specifies the EXTI lines to clear. + * This parameter can be any combination of EXTI_Linex where x can be (0..19). + * @retval None + */ +void EXTI_ClearITPendingBit(uint32_t EXTI_Line) +{ + /* Check the parameters */ + assert_param(IS_EXTI_LINE(EXTI_Line)); + + EXTI->PR = EXTI_Line; +} + +/** + * @} + */ + +/** + * @} + */ + +/** + * @} + */ + +/******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/ diff --git a/thirdparty/STM32F10x_StdPeriph_Lib_V3.5.0/Libraries/STM32F10x_StdPeriph_Driver/src/stm32f10x_rcc.c b/thirdparty/STM32F10x_StdPeriph_Lib_V3.5.0/Libraries/STM32F10x_StdPeriph_Driver/src/stm32f10x_rcc.c new file mode 100644 index 0000000..a29034b --- /dev/null +++ b/thirdparty/STM32F10x_StdPeriph_Lib_V3.5.0/Libraries/STM32F10x_StdPeriph_Driver/src/stm32f10x_rcc.c @@ -0,0 +1,1470 @@ +/** + ****************************************************************************** + * @file stm32f10x_rcc.c + * @author MCD Application Team + * @version V3.5.0 + * @date 11-March-2011 + * @brief This file provides all the RCC firmware functions. + ****************************************************************************** + * @attention + * + * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS + * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE + * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY + * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING + * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE + * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS. + * + * <h2><center>© COPYRIGHT 2011 STMicroelectronics</center></h2> + ****************************************************************************** + */ + +/* Includes ------------------------------------------------------------------*/ +#include "stm32f10x_rcc.h" + +/** @addtogroup STM32F10x_StdPeriph_Driver + * @{ + */ + +/** @defgroup RCC + * @brief RCC driver modules + * @{ + */ + +/** @defgroup RCC_Private_TypesDefinitions + * @{ + */ + +/** + * @} + */ + +/** @defgroup RCC_Private_Defines + * @{ + */ + +/* ------------ RCC registers bit address in the alias region ----------- */ +#define RCC_OFFSET (RCC_BASE - PERIPH_BASE) + +/* --- CR Register ---*/ + +/* Alias word address of HSION bit */ +#define CR_OFFSET (RCC_OFFSET + 0x00) +#define HSION_BitNumber 0x00 +#define CR_HSION_BB (PERIPH_BB_BASE + (CR_OFFSET * 32) + (HSION_BitNumber * 4)) + +/* Alias word address of PLLON bit */ +#define PLLON_BitNumber 0x18 +#define CR_PLLON_BB (PERIPH_BB_BASE + (CR_OFFSET * 32) + (PLLON_BitNumber * 4)) + +#ifdef STM32F10X_CL + /* Alias word address of PLL2ON bit */ + #define PLL2ON_BitNumber 0x1A + #define CR_PLL2ON_BB (PERIPH_BB_BASE + (CR_OFFSET * 32) + (PLL2ON_BitNumber * 4)) + + /* Alias word address of PLL3ON bit */ + #define PLL3ON_BitNumber 0x1C + #define CR_PLL3ON_BB (PERIPH_BB_BASE + (CR_OFFSET * 32) + (PLL3ON_BitNumber * 4)) +#endif /* STM32F10X_CL */ + +/* Alias word address of CSSON bit */ +#define CSSON_BitNumber 0x13 +#define CR_CSSON_BB (PERIPH_BB_BASE + (CR_OFFSET * 32) + (CSSON_BitNumber * 4)) + +/* --- CFGR Register ---*/ + +/* Alias word address of USBPRE bit */ +#define CFGR_OFFSET (RCC_OFFSET + 0x04) + +#ifndef STM32F10X_CL + #define USBPRE_BitNumber 0x16 + #define CFGR_USBPRE_BB (PERIPH_BB_BASE + (CFGR_OFFSET * 32) + (USBPRE_BitNumber * 4)) +#else + #define OTGFSPRE_BitNumber 0x16 + #define CFGR_OTGFSPRE_BB (PERIPH_BB_BASE + (CFGR_OFFSET * 32) + (OTGFSPRE_BitNumber * 4)) +#endif /* STM32F10X_CL */ + +/* --- BDCR Register ---*/ + +/* Alias word address of RTCEN bit */ +#define BDCR_OFFSET (RCC_OFFSET + 0x20) +#define RTCEN_BitNumber 0x0F +#define BDCR_RTCEN_BB (PERIPH_BB_BASE + (BDCR_OFFSET * 32) + (RTCEN_BitNumber * 4)) + +/* Alias word address of BDRST bit */ +#define BDRST_BitNumber 0x10 +#define BDCR_BDRST_BB (PERIPH_BB_BASE + (BDCR_OFFSET * 32) + (BDRST_BitNumber * 4)) + +/* --- CSR Register ---*/ + +/* Alias word address of LSION bit */ +#define CSR_OFFSET (RCC_OFFSET + 0x24) +#define LSION_BitNumber 0x00 +#define CSR_LSION_BB (PERIPH_BB_BASE + (CSR_OFFSET * 32) + (LSION_BitNumber * 4)) + +#ifdef STM32F10X_CL +/* --- CFGR2 Register ---*/ + + /* Alias word address of I2S2SRC bit */ + #define CFGR2_OFFSET (RCC_OFFSET + 0x2C) + #define I2S2SRC_BitNumber 0x11 + #define CFGR2_I2S2SRC_BB (PERIPH_BB_BASE + (CFGR2_OFFSET * 32) + (I2S2SRC_BitNumber * 4)) + + /* Alias word address of I2S3SRC bit */ + #define I2S3SRC_BitNumber 0x12 + #define CFGR2_I2S3SRC_BB (PERIPH_BB_BASE + (CFGR2_OFFSET * 32) + (I2S3SRC_BitNumber * 4)) +#endif /* STM32F10X_CL */ + +/* ---------------------- RCC registers bit mask ------------------------ */ + +/* CR register bit mask */ +#define CR_HSEBYP_Reset ((uint32_t)0xFFFBFFFF) +#define CR_HSEBYP_Set ((uint32_t)0x00040000) +#define CR_HSEON_Reset ((uint32_t)0xFFFEFFFF) +#define CR_HSEON_Set ((uint32_t)0x00010000) +#define CR_HSITRIM_Mask ((uint32_t)0xFFFFFF07) + +/* CFGR register bit mask */ +#if defined (STM32F10X_LD_VL) || defined (STM32F10X_MD_VL) || defined (STM32F10X_HD_VL) || defined (STM32F10X_CL) + #define CFGR_PLL_Mask ((uint32_t)0xFFC2FFFF) +#else + #define CFGR_PLL_Mask ((uint32_t)0xFFC0FFFF) +#endif /* STM32F10X_CL */ + +#define CFGR_PLLMull_Mask ((uint32_t)0x003C0000) +#define CFGR_PLLSRC_Mask ((uint32_t)0x00010000) +#define CFGR_PLLXTPRE_Mask ((uint32_t)0x00020000) +#define CFGR_SWS_Mask ((uint32_t)0x0000000C) +#define CFGR_SW_Mask ((uint32_t)0xFFFFFFFC) +#define CFGR_HPRE_Reset_Mask ((uint32_t)0xFFFFFF0F) +#define CFGR_HPRE_Set_Mask ((uint32_t)0x000000F0) +#define CFGR_PPRE1_Reset_Mask ((uint32_t)0xFFFFF8FF) +#define CFGR_PPRE1_Set_Mask ((uint32_t)0x00000700) +#define CFGR_PPRE2_Reset_Mask ((uint32_t)0xFFFFC7FF) +#define CFGR_PPRE2_Set_Mask ((uint32_t)0x00003800) +#define CFGR_ADCPRE_Reset_Mask ((uint32_t)0xFFFF3FFF) +#define CFGR_ADCPRE_Set_Mask ((uint32_t)0x0000C000) + +/* CSR register bit mask */ +#define CSR_RMVF_Set ((uint32_t)0x01000000) + +#if defined (STM32F10X_LD_VL) || defined (STM32F10X_MD_VL) || defined (STM32F10X_HD_VL) || defined (STM32F10X_CL) +/* CFGR2 register bit mask */ + #define CFGR2_PREDIV1SRC ((uint32_t)0x00010000) + #define CFGR2_PREDIV1 ((uint32_t)0x0000000F) +#endif +#ifdef STM32F10X_CL + #define CFGR2_PREDIV2 ((uint32_t)0x000000F0) + #define CFGR2_PLL2MUL ((uint32_t)0x00000F00) + #define CFGR2_PLL3MUL ((uint32_t)0x0000F000) +#endif /* STM32F10X_CL */ + +/* RCC Flag Mask */ +#define FLAG_Mask ((uint8_t)0x1F) + +/* CIR register byte 2 (Bits[15:8]) base address */ +#define CIR_BYTE2_ADDRESS ((uint32_t)0x40021009) + +/* CIR register byte 3 (Bits[23:16]) base address */ +#define CIR_BYTE3_ADDRESS ((uint32_t)0x4002100A) + +/* CFGR register byte 4 (Bits[31:24]) base address */ +#define CFGR_BYTE4_ADDRESS ((uint32_t)0x40021007) + +/* BDCR register base address */ +#define BDCR_ADDRESS (PERIPH_BASE + BDCR_OFFSET) + +/** + * @} + */ + +/** @defgroup RCC_Private_Macros + * @{ + */ + +/** + * @} + */ + +/** @defgroup RCC_Private_Variables + * @{ + */ + +static __I uint8_t APBAHBPrescTable[16] = {0, 0, 0, 0, 1, 2, 3, 4, 1, 2, 3, 4, 6, 7, 8, 9}; +static __I uint8_t ADCPrescTable[4] = {2, 4, 6, 8}; + +/** + * @} + */ + +/** @defgroup RCC_Private_FunctionPrototypes + * @{ + */ + +/** + * @} + */ + +/** @defgroup RCC_Private_Functions + * @{ + */ + +/** + * @brief Resets the RCC clock configuration to the default reset state. + * @param None + * @retval None + */ +void RCC_DeInit(void) +{ + /* Set HSION bit */ + RCC->CR |= (uint32_t)0x00000001; + + /* Reset SW, HPRE, PPRE1, PPRE2, ADCPRE and MCO bits */ +#ifndef STM32F10X_CL + RCC->CFGR &= (uint32_t)0xF8FF0000; +#else + RCC->CFGR &= (uint32_t)0xF0FF0000; +#endif /* STM32F10X_CL */ + + /* Reset HSEON, CSSON and PLLON bits */ + RCC->CR &= (uint32_t)0xFEF6FFFF; + + /* Reset HSEBYP bit */ + RCC->CR &= (uint32_t)0xFFFBFFFF; + + /* Reset PLLSRC, PLLXTPRE, PLLMUL and USBPRE/OTGFSPRE bits */ + RCC->CFGR &= (uint32_t)0xFF80FFFF; + +#ifdef STM32F10X_CL + /* Reset PLL2ON and PLL3ON bits */ + RCC->CR &= (uint32_t)0xEBFFFFFF; + + /* Disable all interrupts and clear pending bits */ + RCC->CIR = 0x00FF0000; + + /* Reset CFGR2 register */ + RCC->CFGR2 = 0x00000000; +#elif defined (STM32F10X_LD_VL) || defined (STM32F10X_MD_VL) || defined (STM32F10X_HD_VL) + /* Disable all interrupts and clear pending bits */ + RCC->CIR = 0x009F0000; + + /* Reset CFGR2 register */ + RCC->CFGR2 = 0x00000000; +#else + /* Disable all interrupts and clear pending bits */ + RCC->CIR = 0x009F0000; +#endif /* STM32F10X_CL */ + +} + +/** + * @brief Configures the External High Speed oscillator (HSE). + * @note HSE can not be stopped if it is used directly or through the PLL as system clock. + * @param RCC_HSE: specifies the new state of the HSE. + * This parameter can be one of the following values: + * @arg RCC_HSE_OFF: HSE oscillator OFF + * @arg RCC_HSE_ON: HSE oscillator ON + * @arg RCC_HSE_Bypass: HSE oscillator bypassed with external clock + * @retval None + */ +void RCC_HSEConfig(uint32_t RCC_HSE) +{ + /* Check the parameters */ + assert_param(IS_RCC_HSE(RCC_HSE)); + /* Reset HSEON and HSEBYP bits before configuring the HSE ------------------*/ + /* Reset HSEON bit */ + RCC->CR &= CR_HSEON_Reset; + /* Reset HSEBYP bit */ + RCC->CR &= CR_HSEBYP_Reset; + /* Configure HSE (RCC_HSE_OFF is already covered by the code section above) */ + switch(RCC_HSE) + { + case RCC_HSE_ON: + /* Set HSEON bit */ + RCC->CR |= CR_HSEON_Set; + break; + + case RCC_HSE_Bypass: + /* Set HSEBYP and HSEON bits */ + RCC->CR |= CR_HSEBYP_Set | CR_HSEON_Set; + break; + + default: + break; + } +} + +/** + * @brief Waits for HSE start-up. + * @param None + * @retval An ErrorStatus enumuration value: + * - SUCCESS: HSE oscillator is stable and ready to use + * - ERROR: HSE oscillator not yet ready + */ +ErrorStatus RCC_WaitForHSEStartUp(void) +{ + __IO uint32_t StartUpCounter = 0; + ErrorStatus status = ERROR; + FlagStatus HSEStatus = RESET; + + /* Wait till HSE is ready and if Time out is reached exit */ + do + { + HSEStatus = RCC_GetFlagStatus(RCC_FLAG_HSERDY); + StartUpCounter++; + } while((StartUpCounter != HSE_STARTUP_TIMEOUT) && (HSEStatus == RESET)); + + if (RCC_GetFlagStatus(RCC_FLAG_HSERDY) != RESET) + { + status = SUCCESS; + } + else + { + status = ERROR; + } + return (status); +} + +/** + * @brief Adjusts the Internal High Speed oscillator (HSI) calibration value. + * @param HSICalibrationValue: specifies the calibration trimming value. + * This parameter must be a number between 0 and 0x1F. + * @retval None + */ +void RCC_AdjustHSICalibrationValue(uint8_t HSICalibrationValue) +{ + uint32_t tmpreg = 0; + /* Check the parameters */ + assert_param(IS_RCC_CALIBRATION_VALUE(HSICalibrationValue)); + tmpreg = RCC->CR; + /* Clear HSITRIM[4:0] bits */ + tmpreg &= CR_HSITRIM_Mask; + /* Set the HSITRIM[4:0] bits according to HSICalibrationValue value */ + tmpreg |= (uint32_t)HSICalibrationValue << 3; + /* Store the new value */ + RCC->CR = tmpreg; +} + +/** + * @brief Enables or disables the Internal High Speed oscillator (HSI). + * @note HSI can not be stopped if it is used directly or through the PLL as system clock. + * @param NewState: new state of the HSI. This parameter can be: ENABLE or DISABLE. + * @retval None + */ +void RCC_HSICmd(FunctionalState NewState) +{ + /* Check the parameters */ + assert_param(IS_FUNCTIONAL_STATE(NewState)); + *(__IO uint32_t *) CR_HSION_BB = (uint32_t)NewState; +} + +/** + * @brief Configures the PLL clock source and multiplication factor. + * @note This function must be used only when the PLL is disabled. + * @param RCC_PLLSource: specifies the PLL entry clock source. + * For @b STM32_Connectivity_line_devices or @b STM32_Value_line_devices, + * this parameter can be one of the following values: + * @arg RCC_PLLSource_HSI_Div2: HSI oscillator clock divided by 2 selected as PLL clock entry + * @arg RCC_PLLSource_PREDIV1: PREDIV1 clock selected as PLL clock entry + * For @b other_STM32_devices, this parameter can be one of the following values: + * @arg RCC_PLLSource_HSI_Div2: HSI oscillator clock divided by 2 selected as PLL clock entry + * @arg RCC_PLLSource_HSE_Div1: HSE oscillator clock selected as PLL clock entry + * @arg RCC_PLLSource_HSE_Div2: HSE oscillator clock divided by 2 selected as PLL clock entry + * @param RCC_PLLMul: specifies the PLL multiplication factor. + * For @b STM32_Connectivity_line_devices, this parameter can be RCC_PLLMul_x where x:{[4,9], 6_5} + * For @b other_STM32_devices, this parameter can be RCC_PLLMul_x where x:[2,16] + * @retval None + */ +void RCC_PLLConfig(uint32_t RCC_PLLSource, uint32_t RCC_PLLMul) +{ + uint32_t tmpreg = 0; + + /* Check the parameters */ + assert_param(IS_RCC_PLL_SOURCE(RCC_PLLSource)); + assert_param(IS_RCC_PLL_MUL(RCC_PLLMul)); + + tmpreg = RCC->CFGR; + /* Clear PLLSRC, PLLXTPRE and PLLMUL[3:0] bits */ + tmpreg &= CFGR_PLL_Mask; + /* Set the PLL configuration bits */ + tmpreg |= RCC_PLLSource | RCC_PLLMul; + /* Store the new value */ + RCC->CFGR = tmpreg; +} + +/** + * @brief Enables or disables the PLL. + * @note The PLL can not be disabled if it is used as system clock. + * @param NewState: new state of the PLL. This parameter can be: ENABLE or DISABLE. + * @retval None + */ +void RCC_PLLCmd(FunctionalState NewState) +{ + /* Check the parameters */ + assert_param(IS_FUNCTIONAL_STATE(NewState)); + + *(__IO uint32_t *) CR_PLLON_BB = (uint32_t)NewState; +} + +#if defined (STM32F10X_LD_VL) || defined (STM32F10X_MD_VL) || defined (STM32F10X_HD_VL) || defined (STM32F10X_CL) +/** + * @brief Configures the PREDIV1 division factor. + * @note + * - This function must be used only when the PLL is disabled. + * - This function applies only to STM32 Connectivity line and Value line + * devices. + * @param RCC_PREDIV1_Source: specifies the PREDIV1 clock source. + * This parameter can be one of the following values: + * @arg RCC_PREDIV1_Source_HSE: HSE selected as PREDIV1 clock + * @arg RCC_PREDIV1_Source_PLL2: PLL2 selected as PREDIV1 clock + * @note + * For @b STM32_Value_line_devices this parameter is always RCC_PREDIV1_Source_HSE + * @param RCC_PREDIV1_Div: specifies the PREDIV1 clock division factor. + * This parameter can be RCC_PREDIV1_Divx where x:[1,16] + * @retval None + */ +void RCC_PREDIV1Config(uint32_t RCC_PREDIV1_Source, uint32_t RCC_PREDIV1_Div) +{ + uint32_t tmpreg = 0; + + /* Check the parameters */ + assert_param(IS_RCC_PREDIV1_SOURCE(RCC_PREDIV1_Source)); + assert_param(IS_RCC_PREDIV1(RCC_PREDIV1_Div)); + + tmpreg = RCC->CFGR2; + /* Clear PREDIV1[3:0] and PREDIV1SRC bits */ + tmpreg &= ~(CFGR2_PREDIV1 | CFGR2_PREDIV1SRC); + /* Set the PREDIV1 clock source and division factor */ + tmpreg |= RCC_PREDIV1_Source | RCC_PREDIV1_Div ; + /* Store the new value */ + RCC->CFGR2 = tmpreg; +} +#endif + +#ifdef STM32F10X_CL +/** + * @brief Configures the PREDIV2 division factor. + * @note + * - This function must be used only when both PLL2 and PLL3 are disabled. + * - This function applies only to STM32 Connectivity line devices. + * @param RCC_PREDIV2_Div: specifies the PREDIV2 clock division factor. + * This parameter can be RCC_PREDIV2_Divx where x:[1,16] + * @retval None + */ +void RCC_PREDIV2Config(uint32_t RCC_PREDIV2_Div) +{ + uint32_t tmpreg = 0; + + /* Check the parameters */ + assert_param(IS_RCC_PREDIV2(RCC_PREDIV2_Div)); + + tmpreg = RCC->CFGR2; + /* Clear PREDIV2[3:0] bits */ + tmpreg &= ~CFGR2_PREDIV2; + /* Set the PREDIV2 division factor */ + tmpreg |= RCC_PREDIV2_Div; + /* Store the new value */ + RCC->CFGR2 = tmpreg; +} + +/** + * @brief Configures the PLL2 multiplication factor. + * @note + * - This function must be used only when the PLL2 is disabled. + * - This function applies only to STM32 Connectivity line devices. + * @param RCC_PLL2Mul: specifies the PLL2 multiplication factor. + * This parameter can be RCC_PLL2Mul_x where x:{[8,14], 16, 20} + * @retval None + */ +void RCC_PLL2Config(uint32_t RCC_PLL2Mul) +{ + uint32_t tmpreg = 0; + + /* Check the parameters */ + assert_param(IS_RCC_PLL2_MUL(RCC_PLL2Mul)); + + tmpreg = RCC->CFGR2; + /* Clear PLL2Mul[3:0] bits */ + tmpreg &= ~CFGR2_PLL2MUL; + /* Set the PLL2 configuration bits */ + tmpreg |= RCC_PLL2Mul; + /* Store the new value */ + RCC->CFGR2 = tmpreg; +} + + +/** + * @brief Enables or disables the PLL2. + * @note + * - The PLL2 can not be disabled if it is used indirectly as system clock + * (i.e. it is used as PLL clock entry that is used as System clock). + * - This function applies only to STM32 Connectivity line devices. + * @param NewState: new state of the PLL2. This parameter can be: ENABLE or DISABLE. + * @retval None + */ +void RCC_PLL2Cmd(FunctionalState NewState) +{ + /* Check the parameters */ + assert_param(IS_FUNCTIONAL_STATE(NewState)); + + *(__IO uint32_t *) CR_PLL2ON_BB = (uint32_t)NewState; +} + + +/** + * @brief Configures the PLL3 multiplication factor. + * @note + * - This function must be used only when the PLL3 is disabled. + * - This function applies only to STM32 Connectivity line devices. + * @param RCC_PLL3Mul: specifies the PLL3 multiplication factor. + * This parameter can be RCC_PLL3Mul_x where x:{[8,14], 16, 20} + * @retval None + */ +void RCC_PLL3Config(uint32_t RCC_PLL3Mul) +{ + uint32_t tmpreg = 0; + + /* Check the parameters */ + assert_param(IS_RCC_PLL3_MUL(RCC_PLL3Mul)); + + tmpreg = RCC->CFGR2; + /* Clear PLL3Mul[3:0] bits */ + tmpreg &= ~CFGR2_PLL3MUL; + /* Set the PLL3 configuration bits */ + tmpreg |= RCC_PLL3Mul; + /* Store the new value */ + RCC->CFGR2 = tmpreg; +} + + +/** + * @brief Enables or disables the PLL3. + * @note This function applies only to STM32 Connectivity line devices. + * @param NewState: new state of the PLL3. This parameter can be: ENABLE or DISABLE. + * @retval None + */ +void RCC_PLL3Cmd(FunctionalState NewState) +{ + /* Check the parameters */ + + assert_param(IS_FUNCTIONAL_STATE(NewState)); + *(__IO uint32_t *) CR_PLL3ON_BB = (uint32_t)NewState; +} +#endif /* STM32F10X_CL */ + +/** + * @brief Configures the system clock (SYSCLK). + * @param RCC_SYSCLKSource: specifies the clock source used as system clock. + * This parameter can be one of the following values: + * @arg RCC_SYSCLKSource_HSI: HSI selected as system clock + * @arg RCC_SYSCLKSource_HSE: HSE selected as system clock + * @arg RCC_SYSCLKSource_PLLCLK: PLL selected as system clock + * @retval None + */ +void RCC_SYSCLKConfig(uint32_t RCC_SYSCLKSource) +{ + uint32_t tmpreg = 0; + /* Check the parameters */ + assert_param(IS_RCC_SYSCLK_SOURCE(RCC_SYSCLKSource)); + tmpreg = RCC->CFGR; + /* Clear SW[1:0] bits */ + tmpreg &= CFGR_SW_Mask; + /* Set SW[1:0] bits according to RCC_SYSCLKSource value */ + tmpreg |= RCC_SYSCLKSource; + /* Store the new value */ + RCC->CFGR = tmpreg; +} + +/** + * @brief Returns the clock source used as system clock. + * @param None + * @retval The clock source used as system clock. The returned value can + * be one of the following: + * - 0x00: HSI used as system clock + * - 0x04: HSE used as system clock + * - 0x08: PLL used as system clock + */ +uint8_t RCC_GetSYSCLKSource(void) +{ + return ((uint8_t)(RCC->CFGR & CFGR_SWS_Mask)); +} + +/** + * @brief Configures the AHB clock (HCLK). + * @param RCC_SYSCLK: defines the AHB clock divider. This clock is derived from + * the system clock (SYSCLK). + * This parameter can be one of the following values: + * @arg RCC_SYSCLK_Div1: AHB clock = SYSCLK + * @arg RCC_SYSCLK_Div2: AHB clock = SYSCLK/2 + * @arg RCC_SYSCLK_Div4: AHB clock = SYSCLK/4 + * @arg RCC_SYSCLK_Div8: AHB clock = SYSCLK/8 + * @arg RCC_SYSCLK_Div16: AHB clock = SYSCLK/16 + * @arg RCC_SYSCLK_Div64: AHB clock = SYSCLK/64 + * @arg RCC_SYSCLK_Div128: AHB clock = SYSCLK/128 + * @arg RCC_SYSCLK_Div256: AHB clock = SYSCLK/256 + * @arg RCC_SYSCLK_Div512: AHB clock = SYSCLK/512 + * @retval None + */ +void RCC_HCLKConfig(uint32_t RCC_SYSCLK) +{ + uint32_t tmpreg = 0; + /* Check the parameters */ + assert_param(IS_RCC_HCLK(RCC_SYSCLK)); + tmpreg = RCC->CFGR; + /* Clear HPRE[3:0] bits */ + tmpreg &= CFGR_HPRE_Reset_Mask; + /* Set HPRE[3:0] bits according to RCC_SYSCLK value */ + tmpreg |= RCC_SYSCLK; + /* Store the new value */ + RCC->CFGR = tmpreg; +} + +/** + * @brief Configures the Low Speed APB clock (PCLK1). + * @param RCC_HCLK: defines the APB1 clock divider. This clock is derived from + * the AHB clock (HCLK). + * This parameter can be one of the following values: + * @arg RCC_HCLK_Div1: APB1 clock = HCLK + * @arg RCC_HCLK_Div2: APB1 clock = HCLK/2 + * @arg RCC_HCLK_Div4: APB1 clock = HCLK/4 + * @arg RCC_HCLK_Div8: APB1 clock = HCLK/8 + * @arg RCC_HCLK_Div16: APB1 clock = HCLK/16 + * @retval None + */ +void RCC_PCLK1Config(uint32_t RCC_HCLK) +{ + uint32_t tmpreg = 0; + /* Check the parameters */ + assert_param(IS_RCC_PCLK(RCC_HCLK)); + tmpreg = RCC->CFGR; + /* Clear PPRE1[2:0] bits */ + tmpreg &= CFGR_PPRE1_Reset_Mask; + /* Set PPRE1[2:0] bits according to RCC_HCLK value */ + tmpreg |= RCC_HCLK; + /* Store the new value */ + RCC->CFGR = tmpreg; +} + +/** + * @brief Configures the High Speed APB clock (PCLK2). + * @param RCC_HCLK: defines the APB2 clock divider. This clock is derived from + * the AHB clock (HCLK). + * This parameter can be one of the following values: + * @arg RCC_HCLK_Div1: APB2 clock = HCLK + * @arg RCC_HCLK_Div2: APB2 clock = HCLK/2 + * @arg RCC_HCLK_Div4: APB2 clock = HCLK/4 + * @arg RCC_HCLK_Div8: APB2 clock = HCLK/8 + * @arg RCC_HCLK_Div16: APB2 clock = HCLK/16 + * @retval None + */ +void RCC_PCLK2Config(uint32_t RCC_HCLK) +{ + uint32_t tmpreg = 0; + /* Check the parameters */ + assert_param(IS_RCC_PCLK(RCC_HCLK)); + tmpreg = RCC->CFGR; + /* Clear PPRE2[2:0] bits */ + tmpreg &= CFGR_PPRE2_Reset_Mask; + /* Set PPRE2[2:0] bits according to RCC_HCLK value */ + tmpreg |= RCC_HCLK << 3; + /* Store the new value */ + RCC->CFGR = tmpreg; +} + +/** + * @brief Enables or disables the specified RCC interrupts. + * @param RCC_IT: specifies the RCC interrupt sources to be enabled or disabled. + * + * For @b STM32_Connectivity_line_devices, this parameter can be any combination + * of the following values + * @arg RCC_IT_LSIRDY: LSI ready interrupt + * @arg RCC_IT_LSERDY: LSE ready interrupt + * @arg RCC_IT_HSIRDY: HSI ready interrupt + * @arg RCC_IT_HSERDY: HSE ready interrupt + * @arg RCC_IT_PLLRDY: PLL ready interrupt + * @arg RCC_IT_PLL2RDY: PLL2 ready interrupt + * @arg RCC_IT_PLL3RDY: PLL3 ready interrupt + * + * For @b other_STM32_devices, this parameter can be any combination of the + * following values + * @arg RCC_IT_LSIRDY: LSI ready interrupt + * @arg RCC_IT_LSERDY: LSE ready interrupt + * @arg RCC_IT_HSIRDY: HSI ready interrupt + * @arg RCC_IT_HSERDY: HSE ready interrupt + * @arg RCC_IT_PLLRDY: PLL ready interrupt + * + * @param NewState: new state of the specified RCC interrupts. + * This parameter can be: ENABLE or DISABLE. + * @retval None + */ +void RCC_ITConfig(uint8_t RCC_IT, FunctionalState NewState) +{ + /* Check the parameters */ + assert_param(IS_RCC_IT(RCC_IT)); + assert_param(IS_FUNCTIONAL_STATE(NewState)); + if (NewState != DISABLE) + { + /* Perform Byte access to RCC_CIR bits to enable the selected interrupts */ + *(__IO uint8_t *) CIR_BYTE2_ADDRESS |= RCC_IT; + } + else + { + /* Perform Byte access to RCC_CIR bits to disable the selected interrupts */ + *(__IO uint8_t *) CIR_BYTE2_ADDRESS &= (uint8_t)~RCC_IT; + } +} + +#ifndef STM32F10X_CL +/** + * @brief Configures the USB clock (USBCLK). + * @param RCC_USBCLKSource: specifies the USB clock source. This clock is + * derived from the PLL output. + * This parameter can be one of the following values: + * @arg RCC_USBCLKSource_PLLCLK_1Div5: PLL clock divided by 1,5 selected as USB + * clock source + * @arg RCC_USBCLKSource_PLLCLK_Div1: PLL clock selected as USB clock source + * @retval None + */ +void RCC_USBCLKConfig(uint32_t RCC_USBCLKSource) +{ + /* Check the parameters */ + assert_param(IS_RCC_USBCLK_SOURCE(RCC_USBCLKSource)); + + *(__IO uint32_t *) CFGR_USBPRE_BB = RCC_USBCLKSource; +} +#else +/** + * @brief Configures the USB OTG FS clock (OTGFSCLK). + * This function applies only to STM32 Connectivity line devices. + * @param RCC_OTGFSCLKSource: specifies the USB OTG FS clock source. + * This clock is derived from the PLL output. + * This parameter can be one of the following values: + * @arg RCC_OTGFSCLKSource_PLLVCO_Div3: PLL VCO clock divided by 2 selected as USB OTG FS clock source + * @arg RCC_OTGFSCLKSource_PLLVCO_Div2: PLL VCO clock divided by 2 selected as USB OTG FS clock source + * @retval None + */ +void RCC_OTGFSCLKConfig(uint32_t RCC_OTGFSCLKSource) +{ + /* Check the parameters */ + assert_param(IS_RCC_OTGFSCLK_SOURCE(RCC_OTGFSCLKSource)); + + *(__IO uint32_t *) CFGR_OTGFSPRE_BB = RCC_OTGFSCLKSource; +} +#endif /* STM32F10X_CL */ + +/** + * @brief Configures the ADC clock (ADCCLK). + * @param RCC_PCLK2: defines the ADC clock divider. This clock is derived from + * the APB2 clock (PCLK2). + * This parameter can be one of the following values: + * @arg RCC_PCLK2_Div2: ADC clock = PCLK2/2 + * @arg RCC_PCLK2_Div4: ADC clock = PCLK2/4 + * @arg RCC_PCLK2_Div6: ADC clock = PCLK2/6 + * @arg RCC_PCLK2_Div8: ADC clock = PCLK2/8 + * @retval None + */ +void RCC_ADCCLKConfig(uint32_t RCC_PCLK2) +{ + uint32_t tmpreg = 0; + /* Check the parameters */ + assert_param(IS_RCC_ADCCLK(RCC_PCLK2)); + tmpreg = RCC->CFGR; + /* Clear ADCPRE[1:0] bits */ + tmpreg &= CFGR_ADCPRE_Reset_Mask; + /* Set ADCPRE[1:0] bits according to RCC_PCLK2 value */ + tmpreg |= RCC_PCLK2; + /* Store the new value */ + RCC->CFGR = tmpreg; +} + +#ifdef STM32F10X_CL +/** + * @brief Configures the I2S2 clock source(I2S2CLK). + * @note + * - This function must be called before enabling I2S2 APB clock. + * - This function applies only to STM32 Connectivity line devices. + * @param RCC_I2S2CLKSource: specifies the I2S2 clock source. + * This parameter can be one of the following values: + * @arg RCC_I2S2CLKSource_SYSCLK: system clock selected as I2S2 clock entry + * @arg RCC_I2S2CLKSource_PLL3_VCO: PLL3 VCO clock selected as I2S2 clock entry + * @retval None + */ +void RCC_I2S2CLKConfig(uint32_t RCC_I2S2CLKSource) +{ + /* Check the parameters */ + assert_param(IS_RCC_I2S2CLK_SOURCE(RCC_I2S2CLKSource)); + + *(__IO uint32_t *) CFGR2_I2S2SRC_BB = RCC_I2S2CLKSource; +} + +/** + * @brief Configures the I2S3 clock source(I2S2CLK). + * @note + * - This function must be called before enabling I2S3 APB clock. + * - This function applies only to STM32 Connectivity line devices. + * @param RCC_I2S3CLKSource: specifies the I2S3 clock source. + * This parameter can be one of the following values: + * @arg RCC_I2S3CLKSource_SYSCLK: system clock selected as I2S3 clock entry + * @arg RCC_I2S3CLKSource_PLL3_VCO: PLL3 VCO clock selected as I2S3 clock entry + * @retval None + */ +void RCC_I2S3CLKConfig(uint32_t RCC_I2S3CLKSource) +{ + /* Check the parameters */ + assert_param(IS_RCC_I2S3CLK_SOURCE(RCC_I2S3CLKSource)); + + *(__IO uint32_t *) CFGR2_I2S3SRC_BB = RCC_I2S3CLKSource; +} +#endif /* STM32F10X_CL */ + +/** + * @brief Configures the External Low Speed oscillator (LSE). + * @param RCC_LSE: specifies the new state of the LSE. + * This parameter can be one of the following values: + * @arg RCC_LSE_OFF: LSE oscillator OFF + * @arg RCC_LSE_ON: LSE oscillator ON + * @arg RCC_LSE_Bypass: LSE oscillator bypassed with external clock + * @retval None + */ +void RCC_LSEConfig(uint8_t RCC_LSE) +{ + /* Check the parameters */ + assert_param(IS_RCC_LSE(RCC_LSE)); + /* Reset LSEON and LSEBYP bits before configuring the LSE ------------------*/ + /* Reset LSEON bit */ + *(__IO uint8_t *) BDCR_ADDRESS = RCC_LSE_OFF; + /* Reset LSEBYP bit */ + *(__IO uint8_t *) BDCR_ADDRESS = RCC_LSE_OFF; + /* Configure LSE (RCC_LSE_OFF is already covered by the code section above) */ + switch(RCC_LSE) + { + case RCC_LSE_ON: + /* Set LSEON bit */ + *(__IO uint8_t *) BDCR_ADDRESS = RCC_LSE_ON; + break; + + case RCC_LSE_Bypass: + /* Set LSEBYP and LSEON bits */ + *(__IO uint8_t *) BDCR_ADDRESS = RCC_LSE_Bypass | RCC_LSE_ON; + break; + + default: + break; + } +} + +/** + * @brief Enables or disables the Internal Low Speed oscillator (LSI). + * @note LSI can not be disabled if the IWDG is running. + * @param NewState: new state of the LSI. This parameter can be: ENABLE or DISABLE. + * @retval None + */ +void RCC_LSICmd(FunctionalState NewState) +{ + /* Check the parameters */ + assert_param(IS_FUNCTIONAL_STATE(NewState)); + *(__IO uint32_t *) CSR_LSION_BB = (uint32_t)NewState; +} + +/** + * @brief Configures the RTC clock (RTCCLK). + * @note Once the RTC clock is selected it can't be changed unless the Backup domain is reset. + * @param RCC_RTCCLKSource: specifies the RTC clock source. + * This parameter can be one of the following values: + * @arg RCC_RTCCLKSource_LSE: LSE selected as RTC clock + * @arg RCC_RTCCLKSource_LSI: LSI selected as RTC clock + * @arg RCC_RTCCLKSource_HSE_Div128: HSE clock divided by 128 selected as RTC clock + * @retval None + */ +void RCC_RTCCLKConfig(uint32_t RCC_RTCCLKSource) +{ + /* Check the parameters */ + assert_param(IS_RCC_RTCCLK_SOURCE(RCC_RTCCLKSource)); + /* Select the RTC clock source */ + RCC->BDCR |= RCC_RTCCLKSource; +} + +/** + * @brief Enables or disables the RTC clock. + * @note This function must be used only after the RTC clock was selected using the RCC_RTCCLKConfig function. + * @param NewState: new state of the RTC clock. This parameter can be: ENABLE or DISABLE. + * @retval None + */ +void RCC_RTCCLKCmd(FunctionalState NewState) +{ + /* Check the parameters */ + assert_param(IS_FUNCTIONAL_STATE(NewState)); + *(__IO uint32_t *) BDCR_RTCEN_BB = (uint32_t)NewState; +} + +/** + * @brief Returns the frequencies of different on chip clocks. + * @param RCC_Clocks: pointer to a RCC_ClocksTypeDef structure which will hold + * the clocks frequencies. + * @note The result of this function could be not correct when using + * fractional value for HSE crystal. + * @retval None + */ +void RCC_GetClocksFreq(RCC_ClocksTypeDef* RCC_Clocks) +{ + uint32_t tmp = 0, pllmull = 0, pllsource = 0, presc = 0; + +#ifdef STM32F10X_CL + uint32_t prediv1source = 0, prediv1factor = 0, prediv2factor = 0, pll2mull = 0; +#endif /* STM32F10X_CL */ + +#if defined (STM32F10X_LD_VL) || defined (STM32F10X_MD_VL) || defined (STM32F10X_HD_VL) + uint32_t prediv1factor = 0; +#endif + + /* Get SYSCLK source -------------------------------------------------------*/ + tmp = RCC->CFGR & CFGR_SWS_Mask; + + switch (tmp) + { + case 0x00: /* HSI used as system clock */ + RCC_Clocks->SYSCLK_Frequency = HSI_VALUE; + break; + case 0x04: /* HSE used as system clock */ + RCC_Clocks->SYSCLK_Frequency = HSE_VALUE; + break; + case 0x08: /* PLL used as system clock */ + + /* Get PLL clock source and multiplication factor ----------------------*/ + pllmull = RCC->CFGR & CFGR_PLLMull_Mask; + pllsource = RCC->CFGR & CFGR_PLLSRC_Mask; + +#ifndef STM32F10X_CL + pllmull = ( pllmull >> 18) + 2; + + if (pllsource == 0x00) + {/* HSI oscillator clock divided by 2 selected as PLL clock entry */ + RCC_Clocks->SYSCLK_Frequency = (HSI_VALUE >> 1) * pllmull; + } + else + { + #if defined (STM32F10X_LD_VL) || defined (STM32F10X_MD_VL) || defined (STM32F10X_HD_VL) + prediv1factor = (RCC->CFGR2 & CFGR2_PREDIV1) + 1; + /* HSE oscillator clock selected as PREDIV1 clock entry */ + RCC_Clocks->SYSCLK_Frequency = (HSE_VALUE / prediv1factor) * pllmull; + #else + /* HSE selected as PLL clock entry */ + if ((RCC->CFGR & CFGR_PLLXTPRE_Mask) != (uint32_t)RESET) + {/* HSE oscillator clock divided by 2 */ + RCC_Clocks->SYSCLK_Frequency = (HSE_VALUE >> 1) * pllmull; + } + else + { + RCC_Clocks->SYSCLK_Frequency = HSE_VALUE * pllmull; + } + #endif + } +#else + pllmull = pllmull >> 18; + + if (pllmull != 0x0D) + { + pllmull += 2; + } + else + { /* PLL multiplication factor = PLL input clock * 6.5 */ + pllmull = 13 / 2; + } + + if (pllsource == 0x00) + {/* HSI oscillator clock divided by 2 selected as PLL clock entry */ + RCC_Clocks->SYSCLK_Frequency = (HSI_VALUE >> 1) * pllmull; + } + else + {/* PREDIV1 selected as PLL clock entry */ + + /* Get PREDIV1 clock source and division factor */ + prediv1source = RCC->CFGR2 & CFGR2_PREDIV1SRC; + prediv1factor = (RCC->CFGR2 & CFGR2_PREDIV1) + 1; + + if (prediv1source == 0) + { /* HSE oscillator clock selected as PREDIV1 clock entry */ + RCC_Clocks->SYSCLK_Frequency = (HSE_VALUE / prediv1factor) * pllmull; + } + else + {/* PLL2 clock selected as PREDIV1 clock entry */ + + /* Get PREDIV2 division factor and PLL2 multiplication factor */ + prediv2factor = ((RCC->CFGR2 & CFGR2_PREDIV2) >> 4) + 1; + pll2mull = ((RCC->CFGR2 & CFGR2_PLL2MUL) >> 8 ) + 2; + RCC_Clocks->SYSCLK_Frequency = (((HSE_VALUE / prediv2factor) * pll2mull) / prediv1factor) * pllmull; + } + } +#endif /* STM32F10X_CL */ + break; + + default: + RCC_Clocks->SYSCLK_Frequency = HSI_VALUE; + break; + } + + /* Compute HCLK, PCLK1, PCLK2 and ADCCLK clocks frequencies ----------------*/ + /* Get HCLK prescaler */ + tmp = RCC->CFGR & CFGR_HPRE_Set_Mask; + tmp = tmp >> 4; + presc = APBAHBPrescTable[tmp]; + /* HCLK clock frequency */ + RCC_Clocks->HCLK_Frequency = RCC_Clocks->SYSCLK_Frequency >> presc; + /* Get PCLK1 prescaler */ + tmp = RCC->CFGR & CFGR_PPRE1_Set_Mask; + tmp = tmp >> 8; + presc = APBAHBPrescTable[tmp]; + /* PCLK1 clock frequency */ + RCC_Clocks->PCLK1_Frequency = RCC_Clocks->HCLK_Frequency >> presc; + /* Get PCLK2 prescaler */ + tmp = RCC->CFGR & CFGR_PPRE2_Set_Mask; + tmp = tmp >> 11; + presc = APBAHBPrescTable[tmp]; + /* PCLK2 clock frequency */ + RCC_Clocks->PCLK2_Frequency = RCC_Clocks->HCLK_Frequency >> presc; + /* Get ADCCLK prescaler */ + tmp = RCC->CFGR & CFGR_ADCPRE_Set_Mask; + tmp = tmp >> 14; + presc = ADCPrescTable[tmp]; + /* ADCCLK clock frequency */ + RCC_Clocks->ADCCLK_Frequency = RCC_Clocks->PCLK2_Frequency / presc; +} + +/** + * @brief Enables or disables the AHB peripheral clock. + * @param RCC_AHBPeriph: specifies the AHB peripheral to gates its clock. + * + * For @b STM32_Connectivity_line_devices, this parameter can be any combination + * of the following values: + * @arg RCC_AHBPeriph_DMA1 + * @arg RCC_AHBPeriph_DMA2 + * @arg RCC_AHBPeriph_SRAM + * @arg RCC_AHBPeriph_FLITF + * @arg RCC_AHBPeriph_CRC + * @arg RCC_AHBPeriph_OTG_FS + * @arg RCC_AHBPeriph_ETH_MAC + * @arg RCC_AHBPeriph_ETH_MAC_Tx + * @arg RCC_AHBPeriph_ETH_MAC_Rx + * + * For @b other_STM32_devices, this parameter can be any combination of the + * following values: + * @arg RCC_AHBPeriph_DMA1 + * @arg RCC_AHBPeriph_DMA2 + * @arg RCC_AHBPeriph_SRAM + * @arg RCC_AHBPeriph_FLITF + * @arg RCC_AHBPeriph_CRC + * @arg RCC_AHBPeriph_FSMC + * @arg RCC_AHBPeriph_SDIO + * + * @note SRAM and FLITF clock can be disabled only during sleep mode. + * @param NewState: new state of the specified peripheral clock. + * This parameter can be: ENABLE or DISABLE. + * @retval None + */ +void RCC_AHBPeriphClockCmd(uint32_t RCC_AHBPeriph, FunctionalState NewState) +{ + /* Check the parameters */ + assert_param(IS_RCC_AHB_PERIPH(RCC_AHBPeriph)); + assert_param(IS_FUNCTIONAL_STATE(NewState)); + + if (NewState != DISABLE) + { + RCC->AHBENR |= RCC_AHBPeriph; + } + else + { + RCC->AHBENR &= ~RCC_AHBPeriph; + } +} + +/** + * @brief Enables or disables the High Speed APB (APB2) peripheral clock. + * @param RCC_APB2Periph: specifies the APB2 peripheral to gates its clock. + * This parameter can be any combination of the following values: + * @arg RCC_APB2Periph_AFIO, RCC_APB2Periph_GPIOA, RCC_APB2Periph_GPIOB, + * RCC_APB2Periph_GPIOC, RCC_APB2Periph_GPIOD, RCC_APB2Periph_GPIOE, + * RCC_APB2Periph_GPIOF, RCC_APB2Periph_GPIOG, RCC_APB2Periph_ADC1, + * RCC_APB2Periph_ADC2, RCC_APB2Periph_TIM1, RCC_APB2Periph_SPI1, + * RCC_APB2Periph_TIM8, RCC_APB2Periph_USART1, RCC_APB2Periph_ADC3, + * RCC_APB2Periph_TIM15, RCC_APB2Periph_TIM16, RCC_APB2Periph_TIM17, + * RCC_APB2Periph_TIM9, RCC_APB2Periph_TIM10, RCC_APB2Periph_TIM11 + * @param NewState: new state of the specified peripheral clock. + * This parameter can be: ENABLE or DISABLE. + * @retval None + */ +void RCC_APB2PeriphClockCmd(uint32_t RCC_APB2Periph, FunctionalState NewState) +{ + /* Check the parameters */ + assert_param(IS_RCC_APB2_PERIPH(RCC_APB2Periph)); + assert_param(IS_FUNCTIONAL_STATE(NewState)); + if (NewState != DISABLE) + { + RCC->APB2ENR |= RCC_APB2Periph; + } + else + { + RCC->APB2ENR &= ~RCC_APB2Periph; + } +} + +/** + * @brief Enables or disables the Low Speed APB (APB1) peripheral clock. + * @param RCC_APB1Periph: specifies the APB1 peripheral to gates its clock. + * This parameter can be any combination of the following values: + * @arg RCC_APB1Periph_TIM2, RCC_APB1Periph_TIM3, RCC_APB1Periph_TIM4, + * RCC_APB1Periph_TIM5, RCC_APB1Periph_TIM6, RCC_APB1Periph_TIM7, + * RCC_APB1Periph_WWDG, RCC_APB1Periph_SPI2, RCC_APB1Periph_SPI3, + * RCC_APB1Periph_USART2, RCC_APB1Periph_USART3, RCC_APB1Periph_USART4, + * RCC_APB1Periph_USART5, RCC_APB1Periph_I2C1, RCC_APB1Periph_I2C2, + * RCC_APB1Periph_USB, RCC_APB1Periph_CAN1, RCC_APB1Periph_BKP, + * RCC_APB1Periph_PWR, RCC_APB1Periph_DAC, RCC_APB1Periph_CEC, + * RCC_APB1Periph_TIM12, RCC_APB1Periph_TIM13, RCC_APB1Periph_TIM14 + * @param NewState: new state of the specified peripheral clock. + * This parameter can be: ENABLE or DISABLE. + * @retval None + */ +void RCC_APB1PeriphClockCmd(uint32_t RCC_APB1Periph, FunctionalState NewState) +{ + /* Check the parameters */ + assert_param(IS_RCC_APB1_PERIPH(RCC_APB1Periph)); + assert_param(IS_FUNCTIONAL_STATE(NewState)); + if (NewState != DISABLE) + { + RCC->APB1ENR |= RCC_APB1Periph; + } + else + { + RCC->APB1ENR &= ~RCC_APB1Periph; + } +} + +#ifdef STM32F10X_CL +/** + * @brief Forces or releases AHB peripheral reset. + * @note This function applies only to STM32 Connectivity line devices. + * @param RCC_AHBPeriph: specifies the AHB peripheral to reset. + * This parameter can be any combination of the following values: + * @arg RCC_AHBPeriph_OTG_FS + * @arg RCC_AHBPeriph_ETH_MAC + * @param NewState: new state of the specified peripheral reset. + * This parameter can be: ENABLE or DISABLE. + * @retval None + */ +void RCC_AHBPeriphResetCmd(uint32_t RCC_AHBPeriph, FunctionalState NewState) +{ + /* Check the parameters */ + assert_param(IS_RCC_AHB_PERIPH_RESET(RCC_AHBPeriph)); + assert_param(IS_FUNCTIONAL_STATE(NewState)); + + if (NewState != DISABLE) + { + RCC->AHBRSTR |= RCC_AHBPeriph; + } + else + { + RCC->AHBRSTR &= ~RCC_AHBPeriph; + } +} +#endif /* STM32F10X_CL */ + +/** + * @brief Forces or releases High Speed APB (APB2) peripheral reset. + * @param RCC_APB2Periph: specifies the APB2 peripheral to reset. + * This parameter can be any combination of the following values: + * @arg RCC_APB2Periph_AFIO, RCC_APB2Periph_GPIOA, RCC_APB2Periph_GPIOB, + * RCC_APB2Periph_GPIOC, RCC_APB2Periph_GPIOD, RCC_APB2Periph_GPIOE, + * RCC_APB2Periph_GPIOF, RCC_APB2Periph_GPIOG, RCC_APB2Periph_ADC1, + * RCC_APB2Periph_ADC2, RCC_APB2Periph_TIM1, RCC_APB2Periph_SPI1, + * RCC_APB2Periph_TIM8, RCC_APB2Periph_USART1, RCC_APB2Periph_ADC3, + * RCC_APB2Periph_TIM15, RCC_APB2Periph_TIM16, RCC_APB2Periph_TIM17, + * RCC_APB2Periph_TIM9, RCC_APB2Periph_TIM10, RCC_APB2Periph_TIM11 + * @param NewState: new state of the specified peripheral reset. + * This parameter can be: ENABLE or DISABLE. + * @retval None + */ +void RCC_APB2PeriphResetCmd(uint32_t RCC_APB2Periph, FunctionalState NewState) +{ + /* Check the parameters */ + assert_param(IS_RCC_APB2_PERIPH(RCC_APB2Periph)); + assert_param(IS_FUNCTIONAL_STATE(NewState)); + if (NewState != DISABLE) + { + RCC->APB2RSTR |= RCC_APB2Periph; + } + else + { + RCC->APB2RSTR &= ~RCC_APB2Periph; + } +} + +/** + * @brief Forces or releases Low Speed APB (APB1) peripheral reset. + * @param RCC_APB1Periph: specifies the APB1 peripheral to reset. + * This parameter can be any combination of the following values: + * @arg RCC_APB1Periph_TIM2, RCC_APB1Periph_TIM3, RCC_APB1Periph_TIM4, + * RCC_APB1Periph_TIM5, RCC_APB1Periph_TIM6, RCC_APB1Periph_TIM7, + * RCC_APB1Periph_WWDG, RCC_APB1Periph_SPI2, RCC_APB1Periph_SPI3, + * RCC_APB1Periph_USART2, RCC_APB1Periph_USART3, RCC_APB1Periph_USART4, + * RCC_APB1Periph_USART5, RCC_APB1Periph_I2C1, RCC_APB1Periph_I2C2, + * RCC_APB1Periph_USB, RCC_APB1Periph_CAN1, RCC_APB1Periph_BKP, + * RCC_APB1Periph_PWR, RCC_APB1Periph_DAC, RCC_APB1Periph_CEC, + * RCC_APB1Periph_TIM12, RCC_APB1Periph_TIM13, RCC_APB1Periph_TIM14 + * @param NewState: new state of the specified peripheral clock. + * This parameter can be: ENABLE or DISABLE. + * @retval None + */ +void RCC_APB1PeriphResetCmd(uint32_t RCC_APB1Periph, FunctionalState NewState) +{ + /* Check the parameters */ + assert_param(IS_RCC_APB1_PERIPH(RCC_APB1Periph)); + assert_param(IS_FUNCTIONAL_STATE(NewState)); + if (NewState != DISABLE) + { + RCC->APB1RSTR |= RCC_APB1Periph; + } + else + { + RCC->APB1RSTR &= ~RCC_APB1Periph; + } +} + +/** + * @brief Forces or releases the Backup domain reset. + * @param NewState: new state of the Backup domain reset. + * This parameter can be: ENABLE or DISABLE. + * @retval None + */ +void RCC_BackupResetCmd(FunctionalState NewState) +{ + /* Check the parameters */ + assert_param(IS_FUNCTIONAL_STATE(NewState)); + *(__IO uint32_t *) BDCR_BDRST_BB = (uint32_t)NewState; +} + +/** + * @brief Enables or disables the Clock Security System. + * @param NewState: new state of the Clock Security System.. + * This parameter can be: ENABLE or DISABLE. + * @retval None + */ +void RCC_ClockSecuritySystemCmd(FunctionalState NewState) +{ + /* Check the parameters */ + assert_param(IS_FUNCTIONAL_STATE(NewState)); + *(__IO uint32_t *) CR_CSSON_BB = (uint32_t)NewState; +} + +/** + * @brief Selects the clock source to output on MCO pin. + * @param RCC_MCO: specifies the clock source to output. + * + * For @b STM32_Connectivity_line_devices, this parameter can be one of the + * following values: + * @arg RCC_MCO_NoClock: No clock selected + * @arg RCC_MCO_SYSCLK: System clock selected + * @arg RCC_MCO_HSI: HSI oscillator clock selected + * @arg RCC_MCO_HSE: HSE oscillator clock selected + * @arg RCC_MCO_PLLCLK_Div2: PLL clock divided by 2 selected + * @arg RCC_MCO_PLL2CLK: PLL2 clock selected + * @arg RCC_MCO_PLL3CLK_Div2: PLL3 clock divided by 2 selected + * @arg RCC_MCO_XT1: External 3-25 MHz oscillator clock selected + * @arg RCC_MCO_PLL3CLK: PLL3 clock selected + * + * For @b other_STM32_devices, this parameter can be one of the following values: + * @arg RCC_MCO_NoClock: No clock selected + * @arg RCC_MCO_SYSCLK: System clock selected + * @arg RCC_MCO_HSI: HSI oscillator clock selected + * @arg RCC_MCO_HSE: HSE oscillator clock selected + * @arg RCC_MCO_PLLCLK_Div2: PLL clock divided by 2 selected + * + * @retval None + */ +void RCC_MCOConfig(uint8_t RCC_MCO) +{ + /* Check the parameters */ + assert_param(IS_RCC_MCO(RCC_MCO)); + + /* Perform Byte access to MCO bits to select the MCO source */ + *(__IO uint8_t *) CFGR_BYTE4_ADDRESS = RCC_MCO; +} + +/** + * @brief Checks whether the specified RCC flag is set or not. + * @param RCC_FLAG: specifies the flag to check. + * + * For @b STM32_Connectivity_line_devices, this parameter can be one of the + * following values: + * @arg RCC_FLAG_HSIRDY: HSI oscillator clock ready + * @arg RCC_FLAG_HSERDY: HSE oscillator clock ready + * @arg RCC_FLAG_PLLRDY: PLL clock ready + * @arg RCC_FLAG_PLL2RDY: PLL2 clock ready + * @arg RCC_FLAG_PLL3RDY: PLL3 clock ready + * @arg RCC_FLAG_LSERDY: LSE oscillator clock ready + * @arg RCC_FLAG_LSIRDY: LSI oscillator clock ready + * @arg RCC_FLAG_PINRST: Pin reset + * @arg RCC_FLAG_PORRST: POR/PDR reset + * @arg RCC_FLAG_SFTRST: Software reset + * @arg RCC_FLAG_IWDGRST: Independent Watchdog reset + * @arg RCC_FLAG_WWDGRST: Window Watchdog reset + * @arg RCC_FLAG_LPWRRST: Low Power reset + * + * For @b other_STM32_devices, this parameter can be one of the following values: + * @arg RCC_FLAG_HSIRDY: HSI oscillator clock ready + * @arg RCC_FLAG_HSERDY: HSE oscillator clock ready + * @arg RCC_FLAG_PLLRDY: PLL clock ready + * @arg RCC_FLAG_LSERDY: LSE oscillator clock ready + * @arg RCC_FLAG_LSIRDY: LSI oscillator clock ready + * @arg RCC_FLAG_PINRST: Pin reset + * @arg RCC_FLAG_PORRST: POR/PDR reset + * @arg RCC_FLAG_SFTRST: Software reset + * @arg RCC_FLAG_IWDGRST: Independent Watchdog reset + * @arg RCC_FLAG_WWDGRST: Window Watchdog reset + * @arg RCC_FLAG_LPWRRST: Low Power reset + * + * @retval The new state of RCC_FLAG (SET or RESET). + */ +FlagStatus RCC_GetFlagStatus(uint8_t RCC_FLAG) +{ + uint32_t tmp = 0; + uint32_t statusreg = 0; + FlagStatus bitstatus = RESET; + /* Check the parameters */ + assert_param(IS_RCC_FLAG(RCC_FLAG)); + + /* Get the RCC register index */ + tmp = RCC_FLAG >> 5; + if (tmp == 1) /* The flag to check is in CR register */ + { + statusreg = RCC->CR; + } + else if (tmp == 2) /* The flag to check is in BDCR register */ + { + statusreg = RCC->BDCR; + } + else /* The flag to check is in CSR register */ + { + statusreg = RCC->CSR; + } + + /* Get the flag position */ + tmp = RCC_FLAG & FLAG_Mask; + if ((statusreg & ((uint32_t)1 << tmp)) != (uint32_t)RESET) + { + bitstatus = SET; + } + else + { + bitstatus = RESET; + } + + /* Return the flag status */ + return bitstatus; +} + +/** + * @brief Clears the RCC reset flags. + * @note The reset flags are: RCC_FLAG_PINRST, RCC_FLAG_PORRST, RCC_FLAG_SFTRST, + * RCC_FLAG_IWDGRST, RCC_FLAG_WWDGRST, RCC_FLAG_LPWRRST + * @param None + * @retval None + */ +void RCC_ClearFlag(void) +{ + /* Set RMVF bit to clear the reset flags */ + RCC->CSR |= CSR_RMVF_Set; +} + +/** + * @brief Checks whether the specified RCC interrupt has occurred or not. + * @param RCC_IT: specifies the RCC interrupt source to check. + * + * For @b STM32_Connectivity_line_devices, this parameter can be one of the + * following values: + * @arg RCC_IT_LSIRDY: LSI ready interrupt + * @arg RCC_IT_LSERDY: LSE ready interrupt + * @arg RCC_IT_HSIRDY: HSI ready interrupt + * @arg RCC_IT_HSERDY: HSE ready interrupt + * @arg RCC_IT_PLLRDY: PLL ready interrupt + * @arg RCC_IT_PLL2RDY: PLL2 ready interrupt + * @arg RCC_IT_PLL3RDY: PLL3 ready interrupt + * @arg RCC_IT_CSS: Clock Security System interrupt + * + * For @b other_STM32_devices, this parameter can be one of the following values: + * @arg RCC_IT_LSIRDY: LSI ready interrupt + * @arg RCC_IT_LSERDY: LSE ready interrupt + * @arg RCC_IT_HSIRDY: HSI ready interrupt + * @arg RCC_IT_HSERDY: HSE ready interrupt + * @arg RCC_IT_PLLRDY: PLL ready interrupt + * @arg RCC_IT_CSS: Clock Security System interrupt + * + * @retval The new state of RCC_IT (SET or RESET). + */ +ITStatus RCC_GetITStatus(uint8_t RCC_IT) +{ + ITStatus bitstatus = RESET; + /* Check the parameters */ + assert_param(IS_RCC_GET_IT(RCC_IT)); + + /* Check the status of the specified RCC interrupt */ + if ((RCC->CIR & RCC_IT) != (uint32_t)RESET) + { + bitstatus = SET; + } + else + { + bitstatus = RESET; + } + + /* Return the RCC_IT status */ + return bitstatus; +} + +/** + * @brief Clears the RCC's interrupt pending bits. + * @param RCC_IT: specifies the interrupt pending bit to clear. + * + * For @b STM32_Connectivity_line_devices, this parameter can be any combination + * of the following values: + * @arg RCC_IT_LSIRDY: LSI ready interrupt + * @arg RCC_IT_LSERDY: LSE ready interrupt + * @arg RCC_IT_HSIRDY: HSI ready interrupt + * @arg RCC_IT_HSERDY: HSE ready interrupt + * @arg RCC_IT_PLLRDY: PLL ready interrupt + * @arg RCC_IT_PLL2RDY: PLL2 ready interrupt + * @arg RCC_IT_PLL3RDY: PLL3 ready interrupt + * @arg RCC_IT_CSS: Clock Security System interrupt + * + * For @b other_STM32_devices, this parameter can be any combination of the + * following values: + * @arg RCC_IT_LSIRDY: LSI ready interrupt + * @arg RCC_IT_LSERDY: LSE ready interrupt + * @arg RCC_IT_HSIRDY: HSI ready interrupt + * @arg RCC_IT_HSERDY: HSE ready interrupt + * @arg RCC_IT_PLLRDY: PLL ready interrupt + * + * @arg RCC_IT_CSS: Clock Security System interrupt + * @retval None + */ +void RCC_ClearITPendingBit(uint8_t RCC_IT) +{ + /* Check the parameters */ + assert_param(IS_RCC_CLEAR_IT(RCC_IT)); + + /* Perform Byte access to RCC_CIR[23:16] bits to clear the selected interrupt + pending bits */ + *(__IO uint8_t *) CIR_BYTE3_ADDRESS = RCC_IT; +} + +/** + * @} + */ + +/** + * @} + */ + +/** + * @} + */ + +/******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/ diff --git a/thirdparty/STM32F10x_StdPeriph_Lib_V3.5.0/Libraries/STM32F10x_StdPeriph_Driver/src/stm32f10x_sdio.c b/thirdparty/STM32F10x_StdPeriph_Lib_V3.5.0/Libraries/STM32F10x_StdPeriph_Driver/src/stm32f10x_sdio.c new file mode 100644 index 0000000..bc1719d --- /dev/null +++ b/thirdparty/STM32F10x_StdPeriph_Lib_V3.5.0/Libraries/STM32F10x_StdPeriph_Driver/src/stm32f10x_sdio.c @@ -0,0 +1,799 @@ +/** + ****************************************************************************** + * @file stm32f10x_sdio.c + * @author MCD Application Team + * @version V3.5.0 + * @date 11-March-2011 + * @brief This file provides all the SDIO firmware functions. + ****************************************************************************** + * @attention + * + * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS + * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE + * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY + * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING + * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE + * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS. + * + * <h2><center>© COPYRIGHT 2011 STMicroelectronics</center></h2> + ****************************************************************************** + */ + +/* Includes ------------------------------------------------------------------*/ +#include "stm32f10x_sdio.h" +#include "stm32f10x_rcc.h" + +/** @addtogroup STM32F10x_StdPeriph_Driver + * @{ + */ + +/** @defgroup SDIO + * @brief SDIO driver modules + * @{ + */ + +/** @defgroup SDIO_Private_TypesDefinitions + * @{ + */ + +/* ------------ SDIO registers bit address in the alias region ----------- */ +#define SDIO_OFFSET (SDIO_BASE - PERIPH_BASE) + +/* --- CLKCR Register ---*/ + +/* Alias word address of CLKEN bit */ +#define CLKCR_OFFSET (SDIO_OFFSET + 0x04) +#define CLKEN_BitNumber 0x08 +#define CLKCR_CLKEN_BB (PERIPH_BB_BASE + (CLKCR_OFFSET * 32) + (CLKEN_BitNumber * 4)) + +/* --- CMD Register ---*/ + +/* Alias word address of SDIOSUSPEND bit */ +#define CMD_OFFSET (SDIO_OFFSET + 0x0C) +#define SDIOSUSPEND_BitNumber 0x0B +#define CMD_SDIOSUSPEND_BB (PERIPH_BB_BASE + (CMD_OFFSET * 32) + (SDIOSUSPEND_BitNumber * 4)) + +/* Alias word address of ENCMDCOMPL bit */ +#define ENCMDCOMPL_BitNumber 0x0C +#define CMD_ENCMDCOMPL_BB (PERIPH_BB_BASE + (CMD_OFFSET * 32) + (ENCMDCOMPL_BitNumber * 4)) + +/* Alias word address of NIEN bit */ +#define NIEN_BitNumber 0x0D +#define CMD_NIEN_BB (PERIPH_BB_BASE + (CMD_OFFSET * 32) + (NIEN_BitNumber * 4)) + +/* Alias word address of ATACMD bit */ +#define ATACMD_BitNumber 0x0E +#define CMD_ATACMD_BB (PERIPH_BB_BASE + (CMD_OFFSET * 32) + (ATACMD_BitNumber * 4)) + +/* --- DCTRL Register ---*/ + +/* Alias word address of DMAEN bit */ +#define DCTRL_OFFSET (SDIO_OFFSET + 0x2C) +#define DMAEN_BitNumber 0x03 +#define DCTRL_DMAEN_BB (PERIPH_BB_BASE + (DCTRL_OFFSET * 32) + (DMAEN_BitNumber * 4)) + +/* Alias word address of RWSTART bit */ +#define RWSTART_BitNumber 0x08 +#define DCTRL_RWSTART_BB (PERIPH_BB_BASE + (DCTRL_OFFSET * 32) + (RWSTART_BitNumber * 4)) + +/* Alias word address of RWSTOP bit */ +#define RWSTOP_BitNumber 0x09 +#define DCTRL_RWSTOP_BB (PERIPH_BB_BASE + (DCTRL_OFFSET * 32) + (RWSTOP_BitNumber * 4)) + +/* Alias word address of RWMOD bit */ +#define RWMOD_BitNumber 0x0A +#define DCTRL_RWMOD_BB (PERIPH_BB_BASE + (DCTRL_OFFSET * 32) + (RWMOD_BitNumber * 4)) + +/* Alias word address of SDIOEN bit */ +#define SDIOEN_BitNumber 0x0B +#define DCTRL_SDIOEN_BB (PERIPH_BB_BASE + (DCTRL_OFFSET * 32) + (SDIOEN_BitNumber * 4)) + +/* ---------------------- SDIO registers bit mask ------------------------ */ + +/* --- CLKCR Register ---*/ + +/* CLKCR register clear mask */ +#define CLKCR_CLEAR_MASK ((uint32_t)0xFFFF8100) + +/* --- PWRCTRL Register ---*/ + +/* SDIO PWRCTRL Mask */ +#define PWR_PWRCTRL_MASK ((uint32_t)0xFFFFFFFC) + +/* --- DCTRL Register ---*/ + +/* SDIO DCTRL Clear Mask */ +#define DCTRL_CLEAR_MASK ((uint32_t)0xFFFFFF08) + +/* --- CMD Register ---*/ + +/* CMD Register clear mask */ +#define CMD_CLEAR_MASK ((uint32_t)0xFFFFF800) + +/* SDIO RESP Registers Address */ +#define SDIO_RESP_ADDR ((uint32_t)(SDIO_BASE + 0x14)) + +/** + * @} + */ + +/** @defgroup SDIO_Private_Defines + * @{ + */ + +/** + * @} + */ + +/** @defgroup SDIO_Private_Macros + * @{ + */ + +/** + * @} + */ + +/** @defgroup SDIO_Private_Variables + * @{ + */ + +/** + * @} + */ + +/** @defgroup SDIO_Private_FunctionPrototypes + * @{ + */ + +/** + * @} + */ + +/** @defgroup SDIO_Private_Functions + * @{ + */ + +/** + * @brief Deinitializes the SDIO peripheral registers to their default reset values. + * @param None + * @retval None + */ +void SDIO_DeInit(void) +{ + SDIO->POWER = 0x00000000; + SDIO->CLKCR = 0x00000000; + SDIO->ARG = 0x00000000; + SDIO->CMD = 0x00000000; + SDIO->DTIMER = 0x00000000; + SDIO->DLEN = 0x00000000; + SDIO->DCTRL = 0x00000000; + SDIO->ICR = 0x00C007FF; + SDIO->MASK = 0x00000000; +} + +/** + * @brief Initializes the SDIO peripheral according to the specified + * parameters in the SDIO_InitStruct. + * @param SDIO_InitStruct : pointer to a SDIO_InitTypeDef structure + * that contains the configuration information for the SDIO peripheral. + * @retval None + */ +void SDIO_Init(SDIO_InitTypeDef* SDIO_InitStruct) +{ + uint32_t tmpreg = 0; + + /* Check the parameters */ + assert_param(IS_SDIO_CLOCK_EDGE(SDIO_InitStruct->SDIO_ClockEdge)); + assert_param(IS_SDIO_CLOCK_BYPASS(SDIO_InitStruct->SDIO_ClockBypass)); + assert_param(IS_SDIO_CLOCK_POWER_SAVE(SDIO_InitStruct->SDIO_ClockPowerSave)); + assert_param(IS_SDIO_BUS_WIDE(SDIO_InitStruct->SDIO_BusWide)); + assert_param(IS_SDIO_HARDWARE_FLOW_CONTROL(SDIO_InitStruct->SDIO_HardwareFlowControl)); + +/*---------------------------- SDIO CLKCR Configuration ------------------------*/ + /* Get the SDIO CLKCR value */ + tmpreg = SDIO->CLKCR; + + /* Clear CLKDIV, PWRSAV, BYPASS, WIDBUS, NEGEDGE, HWFC_EN bits */ + tmpreg &= CLKCR_CLEAR_MASK; + + /* Set CLKDIV bits according to SDIO_ClockDiv value */ + /* Set PWRSAV bit according to SDIO_ClockPowerSave value */ + /* Set BYPASS bit according to SDIO_ClockBypass value */ + /* Set WIDBUS bits according to SDIO_BusWide value */ + /* Set NEGEDGE bits according to SDIO_ClockEdge value */ + /* Set HWFC_EN bits according to SDIO_HardwareFlowControl value */ + tmpreg |= (SDIO_InitStruct->SDIO_ClockDiv | SDIO_InitStruct->SDIO_ClockPowerSave | + SDIO_InitStruct->SDIO_ClockBypass | SDIO_InitStruct->SDIO_BusWide | + SDIO_InitStruct->SDIO_ClockEdge | SDIO_InitStruct->SDIO_HardwareFlowControl); + + /* Write to SDIO CLKCR */ + SDIO->CLKCR = tmpreg; +} + +/** + * @brief Fills each SDIO_InitStruct member with its default value. + * @param SDIO_InitStruct: pointer to an SDIO_InitTypeDef structure which + * will be initialized. + * @retval None + */ +void SDIO_StructInit(SDIO_InitTypeDef* SDIO_InitStruct) +{ + /* SDIO_InitStruct members default value */ + SDIO_InitStruct->SDIO_ClockDiv = 0x00; + SDIO_InitStruct->SDIO_ClockEdge = SDIO_ClockEdge_Rising; + SDIO_InitStruct->SDIO_ClockBypass = SDIO_ClockBypass_Disable; + SDIO_InitStruct->SDIO_ClockPowerSave = SDIO_ClockPowerSave_Disable; + SDIO_InitStruct->SDIO_BusWide = SDIO_BusWide_1b; + SDIO_InitStruct->SDIO_HardwareFlowControl = SDIO_HardwareFlowControl_Disable; +} + +/** + * @brief Enables or disables the SDIO Clock. + * @param NewState: new state of the SDIO Clock. This parameter can be: ENABLE or DISABLE. + * @retval None + */ +void SDIO_ClockCmd(FunctionalState NewState) +{ + /* Check the parameters */ + assert_param(IS_FUNCTIONAL_STATE(NewState)); + + *(__IO uint32_t *) CLKCR_CLKEN_BB = (uint32_t)NewState; +} + +/** + * @brief Sets the power status of the controller. + * @param SDIO_PowerState: new state of the Power state. + * This parameter can be one of the following values: + * @arg SDIO_PowerState_OFF + * @arg SDIO_PowerState_ON + * @retval None + */ +void SDIO_SetPowerState(uint32_t SDIO_PowerState) +{ + /* Check the parameters */ + assert_param(IS_SDIO_POWER_STATE(SDIO_PowerState)); + + SDIO->POWER &= PWR_PWRCTRL_MASK; + SDIO->POWER |= SDIO_PowerState; +} + +/** + * @brief Gets the power status of the controller. + * @param None + * @retval Power status of the controller. The returned value can + * be one of the following: + * - 0x00: Power OFF + * - 0x02: Power UP + * - 0x03: Power ON + */ +uint32_t SDIO_GetPowerState(void) +{ + return (SDIO->POWER & (~PWR_PWRCTRL_MASK)); +} + +/** + * @brief Enables or disables the SDIO interrupts. + * @param SDIO_IT: specifies the SDIO interrupt sources to be enabled or disabled. + * This parameter can be one or a combination of the following values: + * @arg SDIO_IT_CCRCFAIL: Command response received (CRC check failed) interrupt + * @arg SDIO_IT_DCRCFAIL: Data block sent/received (CRC check failed) interrupt + * @arg SDIO_IT_CTIMEOUT: Command response timeout interrupt + * @arg SDIO_IT_DTIMEOUT: Data timeout interrupt + * @arg SDIO_IT_TXUNDERR: Transmit FIFO underrun error interrupt + * @arg SDIO_IT_RXOVERR: Received FIFO overrun error interrupt + * @arg SDIO_IT_CMDREND: Command response received (CRC check passed) interrupt + * @arg SDIO_IT_CMDSENT: Command sent (no response required) interrupt + * @arg SDIO_IT_DATAEND: Data end (data counter, SDIDCOUNT, is zero) interrupt + * @arg SDIO_IT_STBITERR: Start bit not detected on all data signals in wide + * bus mode interrupt + * @arg SDIO_IT_DBCKEND: Data block sent/received (CRC check passed) interrupt + * @arg SDIO_IT_CMDACT: Command transfer in progress interrupt + * @arg SDIO_IT_TXACT: Data transmit in progress interrupt + * @arg SDIO_IT_RXACT: Data receive in progress interrupt + * @arg SDIO_IT_TXFIFOHE: Transmit FIFO Half Empty interrupt + * @arg SDIO_IT_RXFIFOHF: Receive FIFO Half Full interrupt + * @arg SDIO_IT_TXFIFOF: Transmit FIFO full interrupt + * @arg SDIO_IT_RXFIFOF: Receive FIFO full interrupt + * @arg SDIO_IT_TXFIFOE: Transmit FIFO empty interrupt + * @arg SDIO_IT_RXFIFOE: Receive FIFO empty interrupt + * @arg SDIO_IT_TXDAVL: Data available in transmit FIFO interrupt + * @arg SDIO_IT_RXDAVL: Data available in receive FIFO interrupt + * @arg SDIO_IT_SDIOIT: SD I/O interrupt received interrupt + * @arg SDIO_IT_CEATAEND: CE-ATA command completion signal received for CMD61 interrupt + * @param NewState: new state of the specified SDIO interrupts. + * This parameter can be: ENABLE or DISABLE. + * @retval None + */ +void SDIO_ITConfig(uint32_t SDIO_IT, FunctionalState NewState) +{ + /* Check the parameters */ + assert_param(IS_SDIO_IT(SDIO_IT)); + assert_param(IS_FUNCTIONAL_STATE(NewState)); + + if (NewState != DISABLE) + { + /* Enable the SDIO interrupts */ + SDIO->MASK |= SDIO_IT; + } + else + { + /* Disable the SDIO interrupts */ + SDIO->MASK &= ~SDIO_IT; + } +} + +/** + * @brief Enables or disables the SDIO DMA request. + * @param NewState: new state of the selected SDIO DMA request. + * This parameter can be: ENABLE or DISABLE. + * @retval None + */ +void SDIO_DMACmd(FunctionalState NewState) +{ + /* Check the parameters */ + assert_param(IS_FUNCTIONAL_STATE(NewState)); + + *(__IO uint32_t *) DCTRL_DMAEN_BB = (uint32_t)NewState; +} + +/** + * @brief Initializes the SDIO Command according to the specified + * parameters in the SDIO_CmdInitStruct and send the command. + * @param SDIO_CmdInitStruct : pointer to a SDIO_CmdInitTypeDef + * structure that contains the configuration information for the SDIO command. + * @retval None + */ +void SDIO_SendCommand(SDIO_CmdInitTypeDef *SDIO_CmdInitStruct) +{ + uint32_t tmpreg = 0; + + /* Check the parameters */ + assert_param(IS_SDIO_CMD_INDEX(SDIO_CmdInitStruct->SDIO_CmdIndex)); + assert_param(IS_SDIO_RESPONSE(SDIO_CmdInitStruct->SDIO_Response)); + assert_param(IS_SDIO_WAIT(SDIO_CmdInitStruct->SDIO_Wait)); + assert_param(IS_SDIO_CPSM(SDIO_CmdInitStruct->SDIO_CPSM)); + +/*---------------------------- SDIO ARG Configuration ------------------------*/ + /* Set the SDIO Argument value */ + SDIO->ARG = SDIO_CmdInitStruct->SDIO_Argument; + +/*---------------------------- SDIO CMD Configuration ------------------------*/ + /* Get the SDIO CMD value */ + tmpreg = SDIO->CMD; + /* Clear CMDINDEX, WAITRESP, WAITINT, WAITPEND, CPSMEN bits */ + tmpreg &= CMD_CLEAR_MASK; + /* Set CMDINDEX bits according to SDIO_CmdIndex value */ + /* Set WAITRESP bits according to SDIO_Response value */ + /* Set WAITINT and WAITPEND bits according to SDIO_Wait value */ + /* Set CPSMEN bits according to SDIO_CPSM value */ + tmpreg |= (uint32_t)SDIO_CmdInitStruct->SDIO_CmdIndex | SDIO_CmdInitStruct->SDIO_Response + | SDIO_CmdInitStruct->SDIO_Wait | SDIO_CmdInitStruct->SDIO_CPSM; + + /* Write to SDIO CMD */ + SDIO->CMD = tmpreg; +} + +/** + * @brief Fills each SDIO_CmdInitStruct member with its default value. + * @param SDIO_CmdInitStruct: pointer to an SDIO_CmdInitTypeDef + * structure which will be initialized. + * @retval None + */ +void SDIO_CmdStructInit(SDIO_CmdInitTypeDef* SDIO_CmdInitStruct) +{ + /* SDIO_CmdInitStruct members default value */ + SDIO_CmdInitStruct->SDIO_Argument = 0x00; + SDIO_CmdInitStruct->SDIO_CmdIndex = 0x00; + SDIO_CmdInitStruct->SDIO_Response = SDIO_Response_No; + SDIO_CmdInitStruct->SDIO_Wait = SDIO_Wait_No; + SDIO_CmdInitStruct->SDIO_CPSM = SDIO_CPSM_Disable; +} + +/** + * @brief Returns command index of last command for which response received. + * @param None + * @retval Returns the command index of the last command response received. + */ +uint8_t SDIO_GetCommandResponse(void) +{ + return (uint8_t)(SDIO->RESPCMD); +} + +/** + * @brief Returns response received from the card for the last command. + * @param SDIO_RESP: Specifies the SDIO response register. + * This parameter can be one of the following values: + * @arg SDIO_RESP1: Response Register 1 + * @arg SDIO_RESP2: Response Register 2 + * @arg SDIO_RESP3: Response Register 3 + * @arg SDIO_RESP4: Response Register 4 + * @retval The Corresponding response register value. + */ +uint32_t SDIO_GetResponse(uint32_t SDIO_RESP) +{ + __IO uint32_t tmp = 0; + + /* Check the parameters */ + assert_param(IS_SDIO_RESP(SDIO_RESP)); + + tmp = SDIO_RESP_ADDR + SDIO_RESP; + + return (*(__IO uint32_t *) tmp); +} + +/** + * @brief Initializes the SDIO data path according to the specified + * parameters in the SDIO_DataInitStruct. + * @param SDIO_DataInitStruct : pointer to a SDIO_DataInitTypeDef structure that + * contains the configuration information for the SDIO command. + * @retval None + */ +void SDIO_DataConfig(SDIO_DataInitTypeDef* SDIO_DataInitStruct) +{ + uint32_t tmpreg = 0; + + /* Check the parameters */ + assert_param(IS_SDIO_DATA_LENGTH(SDIO_DataInitStruct->SDIO_DataLength)); + assert_param(IS_SDIO_BLOCK_SIZE(SDIO_DataInitStruct->SDIO_DataBlockSize)); + assert_param(IS_SDIO_TRANSFER_DIR(SDIO_DataInitStruct->SDIO_TransferDir)); + assert_param(IS_SDIO_TRANSFER_MODE(SDIO_DataInitStruct->SDIO_TransferMode)); + assert_param(IS_SDIO_DPSM(SDIO_DataInitStruct->SDIO_DPSM)); + +/*---------------------------- SDIO DTIMER Configuration ---------------------*/ + /* Set the SDIO Data TimeOut value */ + SDIO->DTIMER = SDIO_DataInitStruct->SDIO_DataTimeOut; + +/*---------------------------- SDIO DLEN Configuration -----------------------*/ + /* Set the SDIO DataLength value */ + SDIO->DLEN = SDIO_DataInitStruct->SDIO_DataLength; + +/*---------------------------- SDIO DCTRL Configuration ----------------------*/ + /* Get the SDIO DCTRL value */ + tmpreg = SDIO->DCTRL; + /* Clear DEN, DTMODE, DTDIR and DBCKSIZE bits */ + tmpreg &= DCTRL_CLEAR_MASK; + /* Set DEN bit according to SDIO_DPSM value */ + /* Set DTMODE bit according to SDIO_TransferMode value */ + /* Set DTDIR bit according to SDIO_TransferDir value */ + /* Set DBCKSIZE bits according to SDIO_DataBlockSize value */ + tmpreg |= (uint32_t)SDIO_DataInitStruct->SDIO_DataBlockSize | SDIO_DataInitStruct->SDIO_TransferDir + | SDIO_DataInitStruct->SDIO_TransferMode | SDIO_DataInitStruct->SDIO_DPSM; + + /* Write to SDIO DCTRL */ + SDIO->DCTRL = tmpreg; +} + +/** + * @brief Fills each SDIO_DataInitStruct member with its default value. + * @param SDIO_DataInitStruct: pointer to an SDIO_DataInitTypeDef structure which + * will be initialized. + * @retval None + */ +void SDIO_DataStructInit(SDIO_DataInitTypeDef* SDIO_DataInitStruct) +{ + /* SDIO_DataInitStruct members default value */ + SDIO_DataInitStruct->SDIO_DataTimeOut = 0xFFFFFFFF; + SDIO_DataInitStruct->SDIO_DataLength = 0x00; + SDIO_DataInitStruct->SDIO_DataBlockSize = SDIO_DataBlockSize_1b; + SDIO_DataInitStruct->SDIO_TransferDir = SDIO_TransferDir_ToCard; + SDIO_DataInitStruct->SDIO_TransferMode = SDIO_TransferMode_Block; + SDIO_DataInitStruct->SDIO_DPSM = SDIO_DPSM_Disable; +} + +/** + * @brief Returns number of remaining data bytes to be transferred. + * @param None + * @retval Number of remaining data bytes to be transferred + */ +uint32_t SDIO_GetDataCounter(void) +{ + return SDIO->DCOUNT; +} + +/** + * @brief Read one data word from Rx FIFO. + * @param None + * @retval Data received + */ +uint32_t SDIO_ReadData(void) +{ + return SDIO->FIFO; +} + +/** + * @brief Write one data word to Tx FIFO. + * @param Data: 32-bit data word to write. + * @retval None + */ +void SDIO_WriteData(uint32_t Data) +{ + SDIO->FIFO = Data; +} + +/** + * @brief Returns the number of words left to be written to or read from FIFO. + * @param None + * @retval Remaining number of words. + */ +uint32_t SDIO_GetFIFOCount(void) +{ + return SDIO->FIFOCNT; +} + +/** + * @brief Starts the SD I/O Read Wait operation. + * @param NewState: new state of the Start SDIO Read Wait operation. + * This parameter can be: ENABLE or DISABLE. + * @retval None + */ +void SDIO_StartSDIOReadWait(FunctionalState NewState) +{ + /* Check the parameters */ + assert_param(IS_FUNCTIONAL_STATE(NewState)); + + *(__IO uint32_t *) DCTRL_RWSTART_BB = (uint32_t) NewState; +} + +/** + * @brief Stops the SD I/O Read Wait operation. + * @param NewState: new state of the Stop SDIO Read Wait operation. + * This parameter can be: ENABLE or DISABLE. + * @retval None + */ +void SDIO_StopSDIOReadWait(FunctionalState NewState) +{ + /* Check the parameters */ + assert_param(IS_FUNCTIONAL_STATE(NewState)); + + *(__IO uint32_t *) DCTRL_RWSTOP_BB = (uint32_t) NewState; +} + +/** + * @brief Sets one of the two options of inserting read wait interval. + * @param SDIO_ReadWaitMode: SD I/O Read Wait operation mode. + * This parameter can be: + * @arg SDIO_ReadWaitMode_CLK: Read Wait control by stopping SDIOCLK + * @arg SDIO_ReadWaitMode_DATA2: Read Wait control using SDIO_DATA2 + * @retval None + */ +void SDIO_SetSDIOReadWaitMode(uint32_t SDIO_ReadWaitMode) +{ + /* Check the parameters */ + assert_param(IS_SDIO_READWAIT_MODE(SDIO_ReadWaitMode)); + + *(__IO uint32_t *) DCTRL_RWMOD_BB = SDIO_ReadWaitMode; +} + +/** + * @brief Enables or disables the SD I/O Mode Operation. + * @param NewState: new state of SDIO specific operation. + * This parameter can be: ENABLE or DISABLE. + * @retval None + */ +void SDIO_SetSDIOOperation(FunctionalState NewState) +{ + /* Check the parameters */ + assert_param(IS_FUNCTIONAL_STATE(NewState)); + + *(__IO uint32_t *) DCTRL_SDIOEN_BB = (uint32_t)NewState; +} + +/** + * @brief Enables or disables the SD I/O Mode suspend command sending. + * @param NewState: new state of the SD I/O Mode suspend command. + * This parameter can be: ENABLE or DISABLE. + * @retval None + */ +void SDIO_SendSDIOSuspendCmd(FunctionalState NewState) +{ + /* Check the parameters */ + assert_param(IS_FUNCTIONAL_STATE(NewState)); + + *(__IO uint32_t *) CMD_SDIOSUSPEND_BB = (uint32_t)NewState; +} + +/** + * @brief Enables or disables the command completion signal. + * @param NewState: new state of command completion signal. + * This parameter can be: ENABLE or DISABLE. + * @retval None + */ +void SDIO_CommandCompletionCmd(FunctionalState NewState) +{ + /* Check the parameters */ + assert_param(IS_FUNCTIONAL_STATE(NewState)); + + *(__IO uint32_t *) CMD_ENCMDCOMPL_BB = (uint32_t)NewState; +} + +/** + * @brief Enables or disables the CE-ATA interrupt. + * @param NewState: new state of CE-ATA interrupt. This parameter can be: ENABLE or DISABLE. + * @retval None + */ +void SDIO_CEATAITCmd(FunctionalState NewState) +{ + /* Check the parameters */ + assert_param(IS_FUNCTIONAL_STATE(NewState)); + + *(__IO uint32_t *) CMD_NIEN_BB = (uint32_t)((~((uint32_t)NewState)) & ((uint32_t)0x1)); +} + +/** + * @brief Sends CE-ATA command (CMD61). + * @param NewState: new state of CE-ATA command. This parameter can be: ENABLE or DISABLE. + * @retval None + */ +void SDIO_SendCEATACmd(FunctionalState NewState) +{ + /* Check the parameters */ + assert_param(IS_FUNCTIONAL_STATE(NewState)); + + *(__IO uint32_t *) CMD_ATACMD_BB = (uint32_t)NewState; +} + +/** + * @brief Checks whether the specified SDIO flag is set or not. + * @param SDIO_FLAG: specifies the flag to check. + * This parameter can be one of the following values: + * @arg SDIO_FLAG_CCRCFAIL: Command response received (CRC check failed) + * @arg SDIO_FLAG_DCRCFAIL: Data block sent/received (CRC check failed) + * @arg SDIO_FLAG_CTIMEOUT: Command response timeout + * @arg SDIO_FLAG_DTIMEOUT: Data timeout + * @arg SDIO_FLAG_TXUNDERR: Transmit FIFO underrun error + * @arg SDIO_FLAG_RXOVERR: Received FIFO overrun error + * @arg SDIO_FLAG_CMDREND: Command response received (CRC check passed) + * @arg SDIO_FLAG_CMDSENT: Command sent (no response required) + * @arg SDIO_FLAG_DATAEND: Data end (data counter, SDIDCOUNT, is zero) + * @arg SDIO_FLAG_STBITERR: Start bit not detected on all data signals in wide + * bus mode. + * @arg SDIO_FLAG_DBCKEND: Data block sent/received (CRC check passed) + * @arg SDIO_FLAG_CMDACT: Command transfer in progress + * @arg SDIO_FLAG_TXACT: Data transmit in progress + * @arg SDIO_FLAG_RXACT: Data receive in progress + * @arg SDIO_FLAG_TXFIFOHE: Transmit FIFO Half Empty + * @arg SDIO_FLAG_RXFIFOHF: Receive FIFO Half Full + * @arg SDIO_FLAG_TXFIFOF: Transmit FIFO full + * @arg SDIO_FLAG_RXFIFOF: Receive FIFO full + * @arg SDIO_FLAG_TXFIFOE: Transmit FIFO empty + * @arg SDIO_FLAG_RXFIFOE: Receive FIFO empty + * @arg SDIO_FLAG_TXDAVL: Data available in transmit FIFO + * @arg SDIO_FLAG_RXDAVL: Data available in receive FIFO + * @arg SDIO_FLAG_SDIOIT: SD I/O interrupt received + * @arg SDIO_FLAG_CEATAEND: CE-ATA command completion signal received for CMD61 + * @retval The new state of SDIO_FLAG (SET or RESET). + */ +FlagStatus SDIO_GetFlagStatus(uint32_t SDIO_FLAG) +{ + FlagStatus bitstatus = RESET; + + /* Check the parameters */ + assert_param(IS_SDIO_FLAG(SDIO_FLAG)); + + if ((SDIO->STA & SDIO_FLAG) != (uint32_t)RESET) + { + bitstatus = SET; + } + else + { + bitstatus = RESET; + } + return bitstatus; +} + +/** + * @brief Clears the SDIO's pending flags. + * @param SDIO_FLAG: specifies the flag to clear. + * This parameter can be one or a combination of the following values: + * @arg SDIO_FLAG_CCRCFAIL: Command response received (CRC check failed) + * @arg SDIO_FLAG_DCRCFAIL: Data block sent/received (CRC check failed) + * @arg SDIO_FLAG_CTIMEOUT: Command response timeout + * @arg SDIO_FLAG_DTIMEOUT: Data timeout + * @arg SDIO_FLAG_TXUNDERR: Transmit FIFO underrun error + * @arg SDIO_FLAG_RXOVERR: Received FIFO overrun error + * @arg SDIO_FLAG_CMDREND: Command response received (CRC check passed) + * @arg SDIO_FLAG_CMDSENT: Command sent (no response required) + * @arg SDIO_FLAG_DATAEND: Data end (data counter, SDIDCOUNT, is zero) + * @arg SDIO_FLAG_STBITERR: Start bit not detected on all data signals in wide + * bus mode + * @arg SDIO_FLAG_DBCKEND: Data block sent/received (CRC check passed) + * @arg SDIO_FLAG_SDIOIT: SD I/O interrupt received + * @arg SDIO_FLAG_CEATAEND: CE-ATA command completion signal received for CMD61 + * @retval None + */ +void SDIO_ClearFlag(uint32_t SDIO_FLAG) +{ + /* Check the parameters */ + assert_param(IS_SDIO_CLEAR_FLAG(SDIO_FLAG)); + + SDIO->ICR = SDIO_FLAG; +} + +/** + * @brief Checks whether the specified SDIO interrupt has occurred or not. + * @param SDIO_IT: specifies the SDIO interrupt source to check. + * This parameter can be one of the following values: + * @arg SDIO_IT_CCRCFAIL: Command response received (CRC check failed) interrupt + * @arg SDIO_IT_DCRCFAIL: Data block sent/received (CRC check failed) interrupt + * @arg SDIO_IT_CTIMEOUT: Command response timeout interrupt + * @arg SDIO_IT_DTIMEOUT: Data timeout interrupt + * @arg SDIO_IT_TXUNDERR: Transmit FIFO underrun error interrupt + * @arg SDIO_IT_RXOVERR: Received FIFO overrun error interrupt + * @arg SDIO_IT_CMDREND: Command response received (CRC check passed) interrupt + * @arg SDIO_IT_CMDSENT: Command sent (no response required) interrupt + * @arg SDIO_IT_DATAEND: Data end (data counter, SDIDCOUNT, is zero) interrupt + * @arg SDIO_IT_STBITERR: Start bit not detected on all data signals in wide + * bus mode interrupt + * @arg SDIO_IT_DBCKEND: Data block sent/received (CRC check passed) interrupt + * @arg SDIO_IT_CMDACT: Command transfer in progress interrupt + * @arg SDIO_IT_TXACT: Data transmit in progress interrupt + * @arg SDIO_IT_RXACT: Data receive in progress interrupt + * @arg SDIO_IT_TXFIFOHE: Transmit FIFO Half Empty interrupt + * @arg SDIO_IT_RXFIFOHF: Receive FIFO Half Full interrupt + * @arg SDIO_IT_TXFIFOF: Transmit FIFO full interrupt + * @arg SDIO_IT_RXFIFOF: Receive FIFO full interrupt + * @arg SDIO_IT_TXFIFOE: Transmit FIFO empty interrupt + * @arg SDIO_IT_RXFIFOE: Receive FIFO empty interrupt + * @arg SDIO_IT_TXDAVL: Data available in transmit FIFO interrupt + * @arg SDIO_IT_RXDAVL: Data available in receive FIFO interrupt + * @arg SDIO_IT_SDIOIT: SD I/O interrupt received interrupt + * @arg SDIO_IT_CEATAEND: CE-ATA command completion signal received for CMD61 interrupt + * @retval The new state of SDIO_IT (SET or RESET). + */ +ITStatus SDIO_GetITStatus(uint32_t SDIO_IT) +{ + ITStatus bitstatus = RESET; + + /* Check the parameters */ + assert_param(IS_SDIO_GET_IT(SDIO_IT)); + if ((SDIO->STA & SDIO_IT) != (uint32_t)RESET) + { + bitstatus = SET; + } + else + { + bitstatus = RESET; + } + return bitstatus; +} + +/** + * @brief Clears the SDIO's interrupt pending bits. + * @param SDIO_IT: specifies the interrupt pending bit to clear. + * This parameter can be one or a combination of the following values: + * @arg SDIO_IT_CCRCFAIL: Command response received (CRC check failed) interrupt + * @arg SDIO_IT_DCRCFAIL: Data block sent/received (CRC check failed) interrupt + * @arg SDIO_IT_CTIMEOUT: Command response timeout interrupt + * @arg SDIO_IT_DTIMEOUT: Data timeout interrupt + * @arg SDIO_IT_TXUNDERR: Transmit FIFO underrun error interrupt + * @arg SDIO_IT_RXOVERR: Received FIFO overrun error interrupt + * @arg SDIO_IT_CMDREND: Command response received (CRC check passed) interrupt + * @arg SDIO_IT_CMDSENT: Command sent (no response required) interrupt + * @arg SDIO_IT_DATAEND: Data end (data counter, SDIDCOUNT, is zero) interrupt + * @arg SDIO_IT_STBITERR: Start bit not detected on all data signals in wide + * bus mode interrupt + * @arg SDIO_IT_SDIOIT: SD I/O interrupt received interrupt + * @arg SDIO_IT_CEATAEND: CE-ATA command completion signal received for CMD61 + * @retval None + */ +void SDIO_ClearITPendingBit(uint32_t SDIO_IT) +{ + /* Check the parameters */ + assert_param(IS_SDIO_CLEAR_IT(SDIO_IT)); + + SDIO->ICR = SDIO_IT; +} + +/** + * @} + */ + +/** + * @} + */ + +/** + * @} + */ + +/******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/ diff --git a/thirdparty/STM32F10x_StdPeriph_Lib_V3.5.0/Libraries/STM32F10x_StdPeriph_Driver/src/stm32f10x_spi.c b/thirdparty/STM32F10x_StdPeriph_Lib_V3.5.0/Libraries/STM32F10x_StdPeriph_Driver/src/stm32f10x_spi.c new file mode 100644 index 0000000..4ec65b2 --- /dev/null +++ b/thirdparty/STM32F10x_StdPeriph_Lib_V3.5.0/Libraries/STM32F10x_StdPeriph_Driver/src/stm32f10x_spi.c @@ -0,0 +1,908 @@ +/** + ****************************************************************************** + * @file stm32f10x_spi.c + * @author MCD Application Team + * @version V3.5.0 + * @date 11-March-2011 + * @brief This file provides all the SPI firmware functions. + ****************************************************************************** + * @attention + * + * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS + * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE + * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY + * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING + * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE + * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS. + * + * <h2><center>© COPYRIGHT 2011 STMicroelectronics</center></h2> + ****************************************************************************** + */ + +/* Includes ------------------------------------------------------------------*/ +#include "stm32f10x_spi.h" +#include "stm32f10x_rcc.h" + +/** @addtogroup STM32F10x_StdPeriph_Driver + * @{ + */ + +/** @defgroup SPI + * @brief SPI driver modules + * @{ + */ + +/** @defgroup SPI_Private_TypesDefinitions + * @{ + */ + +/** + * @} + */ + + +/** @defgroup SPI_Private_Defines + * @{ + */ + +/* SPI SPE mask */ +#define CR1_SPE_Set ((uint16_t)0x0040) +#define CR1_SPE_Reset ((uint16_t)0xFFBF) + +/* I2S I2SE mask */ +#define I2SCFGR_I2SE_Set ((uint16_t)0x0400) +#define I2SCFGR_I2SE_Reset ((uint16_t)0xFBFF) + +/* SPI CRCNext mask */ +#define CR1_CRCNext_Set ((uint16_t)0x1000) + +/* SPI CRCEN mask */ +#define CR1_CRCEN_Set ((uint16_t)0x2000) +#define CR1_CRCEN_Reset ((uint16_t)0xDFFF) + +/* SPI SSOE mask */ +#define CR2_SSOE_Set ((uint16_t)0x0004) +#define CR2_SSOE_Reset ((uint16_t)0xFFFB) + +/* SPI registers Masks */ +#define CR1_CLEAR_Mask ((uint16_t)0x3040) +#define I2SCFGR_CLEAR_Mask ((uint16_t)0xF040) + +/* SPI or I2S mode selection masks */ +#define SPI_Mode_Select ((uint16_t)0xF7FF) +#define I2S_Mode_Select ((uint16_t)0x0800) + +/* I2S clock source selection masks */ +#define I2S2_CLOCK_SRC ((uint32_t)(0x00020000)) +#define I2S3_CLOCK_SRC ((uint32_t)(0x00040000)) +#define I2S_MUL_MASK ((uint32_t)(0x0000F000)) +#define I2S_DIV_MASK ((uint32_t)(0x000000F0)) + +/** + * @} + */ + +/** @defgroup SPI_Private_Macros + * @{ + */ + +/** + * @} + */ + +/** @defgroup SPI_Private_Variables + * @{ + */ + +/** + * @} + */ + +/** @defgroup SPI_Private_FunctionPrototypes + * @{ + */ + +/** + * @} + */ + +/** @defgroup SPI_Private_Functions + * @{ + */ + +/** + * @brief Deinitializes the SPIx peripheral registers to their default + * reset values (Affects also the I2Ss). + * @param SPIx: where x can be 1, 2 or 3 to select the SPI peripheral. + * @retval None + */ +void SPI_I2S_DeInit(SPI_TypeDef* SPIx) +{ + /* Check the parameters */ + assert_param(IS_SPI_ALL_PERIPH(SPIx)); + + if (SPIx == SPI1) + { + /* Enable SPI1 reset state */ + RCC_APB2PeriphResetCmd(RCC_APB2Periph_SPI1, ENABLE); + /* Release SPI1 from reset state */ + RCC_APB2PeriphResetCmd(RCC_APB2Periph_SPI1, DISABLE); + } + else if (SPIx == SPI2) + { + /* Enable SPI2 reset state */ + RCC_APB1PeriphResetCmd(RCC_APB1Periph_SPI2, ENABLE); + /* Release SPI2 from reset state */ + RCC_APB1PeriphResetCmd(RCC_APB1Periph_SPI2, DISABLE); + } + else + { + if (SPIx == SPI3) + { + /* Enable SPI3 reset state */ + RCC_APB1PeriphResetCmd(RCC_APB1Periph_SPI3, ENABLE); + /* Release SPI3 from reset state */ + RCC_APB1PeriphResetCmd(RCC_APB1Periph_SPI3, DISABLE); + } + } +} + +/** + * @brief Initializes the SPIx peripheral according to the specified + * parameters in the SPI_InitStruct. + * @param SPIx: where x can be 1, 2 or 3 to select the SPI peripheral. + * @param SPI_InitStruct: pointer to a SPI_InitTypeDef structure that + * contains the configuration information for the specified SPI peripheral. + * @retval None + */ +void SPI_Init(SPI_TypeDef* SPIx, SPI_InitTypeDef* SPI_InitStruct) +{ + uint16_t tmpreg = 0; + + /* check the parameters */ + assert_param(IS_SPI_ALL_PERIPH(SPIx)); + + /* Check the SPI parameters */ + assert_param(IS_SPI_DIRECTION_MODE(SPI_InitStruct->SPI_Direction)); + assert_param(IS_SPI_MODE(SPI_InitStruct->SPI_Mode)); + assert_param(IS_SPI_DATASIZE(SPI_InitStruct->SPI_DataSize)); + assert_param(IS_SPI_CPOL(SPI_InitStruct->SPI_CPOL)); + assert_param(IS_SPI_CPHA(SPI_InitStruct->SPI_CPHA)); + assert_param(IS_SPI_NSS(SPI_InitStruct->SPI_NSS)); + assert_param(IS_SPI_BAUDRATE_PRESCALER(SPI_InitStruct->SPI_BaudRatePrescaler)); + assert_param(IS_SPI_FIRST_BIT(SPI_InitStruct->SPI_FirstBit)); + assert_param(IS_SPI_CRC_POLYNOMIAL(SPI_InitStruct->SPI_CRCPolynomial)); + +/*---------------------------- SPIx CR1 Configuration ------------------------*/ + /* Get the SPIx CR1 value */ + tmpreg = SPIx->CR1; + /* Clear BIDIMode, BIDIOE, RxONLY, SSM, SSI, LSBFirst, BR, MSTR, CPOL and CPHA bits */ + tmpreg &= CR1_CLEAR_Mask; + /* Configure SPIx: direction, NSS management, first transmitted bit, BaudRate prescaler + master/salve mode, CPOL and CPHA */ + /* Set BIDImode, BIDIOE and RxONLY bits according to SPI_Direction value */ + /* Set SSM, SSI and MSTR bits according to SPI_Mode and SPI_NSS values */ + /* Set LSBFirst bit according to SPI_FirstBit value */ + /* Set BR bits according to SPI_BaudRatePrescaler value */ + /* Set CPOL bit according to SPI_CPOL value */ + /* Set CPHA bit according to SPI_CPHA value */ + tmpreg |= (uint16_t)((uint32_t)SPI_InitStruct->SPI_Direction | SPI_InitStruct->SPI_Mode | + SPI_InitStruct->SPI_DataSize | SPI_InitStruct->SPI_CPOL | + SPI_InitStruct->SPI_CPHA | SPI_InitStruct->SPI_NSS | + SPI_InitStruct->SPI_BaudRatePrescaler | SPI_InitStruct->SPI_FirstBit); + /* Write to SPIx CR1 */ + SPIx->CR1 = tmpreg; + + /* Activate the SPI mode (Reset I2SMOD bit in I2SCFGR register) */ + SPIx->I2SCFGR &= SPI_Mode_Select; + +/*---------------------------- SPIx CRCPOLY Configuration --------------------*/ + /* Write to SPIx CRCPOLY */ + SPIx->CRCPR = SPI_InitStruct->SPI_CRCPolynomial; +} + +/** + * @brief Initializes the SPIx peripheral according to the specified + * parameters in the I2S_InitStruct. + * @param SPIx: where x can be 2 or 3 to select the SPI peripheral + * (configured in I2S mode). + * @param I2S_InitStruct: pointer to an I2S_InitTypeDef structure that + * contains the configuration information for the specified SPI peripheral + * configured in I2S mode. + * @note + * The function calculates the optimal prescaler needed to obtain the most + * accurate audio frequency (depending on the I2S clock source, the PLL values + * and the product configuration). But in case the prescaler value is greater + * than 511, the default value (0x02) will be configured instead. * + * @retval None + */ +void I2S_Init(SPI_TypeDef* SPIx, I2S_InitTypeDef* I2S_InitStruct) +{ + uint16_t tmpreg = 0, i2sdiv = 2, i2sodd = 0, packetlength = 1; + uint32_t tmp = 0; + RCC_ClocksTypeDef RCC_Clocks; + uint32_t sourceclock = 0; + + /* Check the I2S parameters */ + assert_param(IS_SPI_23_PERIPH(SPIx)); + assert_param(IS_I2S_MODE(I2S_InitStruct->I2S_Mode)); + assert_param(IS_I2S_STANDARD(I2S_InitStruct->I2S_Standard)); + assert_param(IS_I2S_DATA_FORMAT(I2S_InitStruct->I2S_DataFormat)); + assert_param(IS_I2S_MCLK_OUTPUT(I2S_InitStruct->I2S_MCLKOutput)); + assert_param(IS_I2S_AUDIO_FREQ(I2S_InitStruct->I2S_AudioFreq)); + assert_param(IS_I2S_CPOL(I2S_InitStruct->I2S_CPOL)); + +/*----------------------- SPIx I2SCFGR & I2SPR Configuration -----------------*/ + /* Clear I2SMOD, I2SE, I2SCFG, PCMSYNC, I2SSTD, CKPOL, DATLEN and CHLEN bits */ + SPIx->I2SCFGR &= I2SCFGR_CLEAR_Mask; + SPIx->I2SPR = 0x0002; + + /* Get the I2SCFGR register value */ + tmpreg = SPIx->I2SCFGR; + + /* If the default value has to be written, reinitialize i2sdiv and i2sodd*/ + if(I2S_InitStruct->I2S_AudioFreq == I2S_AudioFreq_Default) + { + i2sodd = (uint16_t)0; + i2sdiv = (uint16_t)2; + } + /* If the requested audio frequency is not the default, compute the prescaler */ + else + { + /* Check the frame length (For the Prescaler computing) */ + if(I2S_InitStruct->I2S_DataFormat == I2S_DataFormat_16b) + { + /* Packet length is 16 bits */ + packetlength = 1; + } + else + { + /* Packet length is 32 bits */ + packetlength = 2; + } + + /* Get the I2S clock source mask depending on the peripheral number */ + if(((uint32_t)SPIx) == SPI2_BASE) + { + /* The mask is relative to I2S2 */ + tmp = I2S2_CLOCK_SRC; + } + else + { + /* The mask is relative to I2S3 */ + tmp = I2S3_CLOCK_SRC; + } + + /* Check the I2S clock source configuration depending on the Device: + Only Connectivity line devices have the PLL3 VCO clock */ +#ifdef STM32F10X_CL + if((RCC->CFGR2 & tmp) != 0) + { + /* Get the configuration bits of RCC PLL3 multiplier */ + tmp = (uint32_t)((RCC->CFGR2 & I2S_MUL_MASK) >> 12); + + /* Get the value of the PLL3 multiplier */ + if((tmp > 5) && (tmp < 15)) + { + /* Multiplier is between 8 and 14 (value 15 is forbidden) */ + tmp += 2; + } + else + { + if (tmp == 15) + { + /* Multiplier is 20 */ + tmp = 20; + } + } + /* Get the PREDIV2 value */ + sourceclock = (uint32_t)(((RCC->CFGR2 & I2S_DIV_MASK) >> 4) + 1); + + /* Calculate the Source Clock frequency based on PLL3 and PREDIV2 values */ + sourceclock = (uint32_t) ((HSE_Value / sourceclock) * tmp * 2); + } + else + { + /* I2S Clock source is System clock: Get System Clock frequency */ + RCC_GetClocksFreq(&RCC_Clocks); + + /* Get the source clock value: based on System Clock value */ + sourceclock = RCC_Clocks.SYSCLK_Frequency; + } +#else /* STM32F10X_HD */ + /* I2S Clock source is System clock: Get System Clock frequency */ + RCC_GetClocksFreq(&RCC_Clocks); + + /* Get the source clock value: based on System Clock value */ + sourceclock = RCC_Clocks.SYSCLK_Frequency; +#endif /* STM32F10X_CL */ + + /* Compute the Real divider depending on the MCLK output state with a floating point */ + if(I2S_InitStruct->I2S_MCLKOutput == I2S_MCLKOutput_Enable) + { + /* MCLK output is enabled */ + tmp = (uint16_t)(((((sourceclock / 256) * 10) / I2S_InitStruct->I2S_AudioFreq)) + 5); + } + else + { + /* MCLK output is disabled */ + tmp = (uint16_t)(((((sourceclock / (32 * packetlength)) *10 ) / I2S_InitStruct->I2S_AudioFreq)) + 5); + } + + /* Remove the floating point */ + tmp = tmp / 10; + + /* Check the parity of the divider */ + i2sodd = (uint16_t)(tmp & (uint16_t)0x0001); + + /* Compute the i2sdiv prescaler */ + i2sdiv = (uint16_t)((tmp - i2sodd) / 2); + + /* Get the Mask for the Odd bit (SPI_I2SPR[8]) register */ + i2sodd = (uint16_t) (i2sodd << 8); + } + + /* Test if the divider is 1 or 0 or greater than 0xFF */ + if ((i2sdiv < 2) || (i2sdiv > 0xFF)) + { + /* Set the default values */ + i2sdiv = 2; + i2sodd = 0; + } + + /* Write to SPIx I2SPR register the computed value */ + SPIx->I2SPR = (uint16_t)(i2sdiv | (uint16_t)(i2sodd | (uint16_t)I2S_InitStruct->I2S_MCLKOutput)); + + /* Configure the I2S with the SPI_InitStruct values */ + tmpreg |= (uint16_t)(I2S_Mode_Select | (uint16_t)(I2S_InitStruct->I2S_Mode | \ + (uint16_t)(I2S_InitStruct->I2S_Standard | (uint16_t)(I2S_InitStruct->I2S_DataFormat | \ + (uint16_t)I2S_InitStruct->I2S_CPOL)))); + + /* Write to SPIx I2SCFGR */ + SPIx->I2SCFGR = tmpreg; +} + +/** + * @brief Fills each SPI_InitStruct member with its default value. + * @param SPI_InitStruct : pointer to a SPI_InitTypeDef structure which will be initialized. + * @retval None + */ +void SPI_StructInit(SPI_InitTypeDef* SPI_InitStruct) +{ +/*--------------- Reset SPI init structure parameters values -----------------*/ + /* Initialize the SPI_Direction member */ + SPI_InitStruct->SPI_Direction = SPI_Direction_2Lines_FullDuplex; + /* initialize the SPI_Mode member */ + SPI_InitStruct->SPI_Mode = SPI_Mode_Slave; + /* initialize the SPI_DataSize member */ + SPI_InitStruct->SPI_DataSize = SPI_DataSize_8b; + /* Initialize the SPI_CPOL member */ + SPI_InitStruct->SPI_CPOL = SPI_CPOL_Low; + /* Initialize the SPI_CPHA member */ + SPI_InitStruct->SPI_CPHA = SPI_CPHA_1Edge; + /* Initialize the SPI_NSS member */ + SPI_InitStruct->SPI_NSS = SPI_NSS_Hard; + /* Initialize the SPI_BaudRatePrescaler member */ + SPI_InitStruct->SPI_BaudRatePrescaler = SPI_BaudRatePrescaler_2; + /* Initialize the SPI_FirstBit member */ + SPI_InitStruct->SPI_FirstBit = SPI_FirstBit_MSB; + /* Initialize the SPI_CRCPolynomial member */ + SPI_InitStruct->SPI_CRCPolynomial = 7; +} + +/** + * @brief Fills each I2S_InitStruct member with its default value. + * @param I2S_InitStruct : pointer to a I2S_InitTypeDef structure which will be initialized. + * @retval None + */ +void I2S_StructInit(I2S_InitTypeDef* I2S_InitStruct) +{ +/*--------------- Reset I2S init structure parameters values -----------------*/ + /* Initialize the I2S_Mode member */ + I2S_InitStruct->I2S_Mode = I2S_Mode_SlaveTx; + + /* Initialize the I2S_Standard member */ + I2S_InitStruct->I2S_Standard = I2S_Standard_Phillips; + + /* Initialize the I2S_DataFormat member */ + I2S_InitStruct->I2S_DataFormat = I2S_DataFormat_16b; + + /* Initialize the I2S_MCLKOutput member */ + I2S_InitStruct->I2S_MCLKOutput = I2S_MCLKOutput_Disable; + + /* Initialize the I2S_AudioFreq member */ + I2S_InitStruct->I2S_AudioFreq = I2S_AudioFreq_Default; + + /* Initialize the I2S_CPOL member */ + I2S_InitStruct->I2S_CPOL = I2S_CPOL_Low; +} + +/** + * @brief Enables or disables the specified SPI peripheral. + * @param SPIx: where x can be 1, 2 or 3 to select the SPI peripheral. + * @param NewState: new state of the SPIx peripheral. + * This parameter can be: ENABLE or DISABLE. + * @retval None + */ +void SPI_Cmd(SPI_TypeDef* SPIx, FunctionalState NewState) +{ + /* Check the parameters */ + assert_param(IS_SPI_ALL_PERIPH(SPIx)); + assert_param(IS_FUNCTIONAL_STATE(NewState)); + if (NewState != DISABLE) + { + /* Enable the selected SPI peripheral */ + SPIx->CR1 |= CR1_SPE_Set; + } + else + { + /* Disable the selected SPI peripheral */ + SPIx->CR1 &= CR1_SPE_Reset; + } +} + +/** + * @brief Enables or disables the specified SPI peripheral (in I2S mode). + * @param SPIx: where x can be 2 or 3 to select the SPI peripheral. + * @param NewState: new state of the SPIx peripheral. + * This parameter can be: ENABLE or DISABLE. + * @retval None + */ +void I2S_Cmd(SPI_TypeDef* SPIx, FunctionalState NewState) +{ + /* Check the parameters */ + assert_param(IS_SPI_23_PERIPH(SPIx)); + assert_param(IS_FUNCTIONAL_STATE(NewState)); + if (NewState != DISABLE) + { + /* Enable the selected SPI peripheral (in I2S mode) */ + SPIx->I2SCFGR |= I2SCFGR_I2SE_Set; + } + else + { + /* Disable the selected SPI peripheral (in I2S mode) */ + SPIx->I2SCFGR &= I2SCFGR_I2SE_Reset; + } +} + +/** + * @brief Enables or disables the specified SPI/I2S interrupts. + * @param SPIx: where x can be + * - 1, 2 or 3 in SPI mode + * - 2 or 3 in I2S mode + * @param SPI_I2S_IT: specifies the SPI/I2S interrupt source to be enabled or disabled. + * This parameter can be one of the following values: + * @arg SPI_I2S_IT_TXE: Tx buffer empty interrupt mask + * @arg SPI_I2S_IT_RXNE: Rx buffer not empty interrupt mask + * @arg SPI_I2S_IT_ERR: Error interrupt mask + * @param NewState: new state of the specified SPI/I2S interrupt. + * This parameter can be: ENABLE or DISABLE. + * @retval None + */ +void SPI_I2S_ITConfig(SPI_TypeDef* SPIx, uint8_t SPI_I2S_IT, FunctionalState NewState) +{ + uint16_t itpos = 0, itmask = 0 ; + /* Check the parameters */ + assert_param(IS_SPI_ALL_PERIPH(SPIx)); + assert_param(IS_FUNCTIONAL_STATE(NewState)); + assert_param(IS_SPI_I2S_CONFIG_IT(SPI_I2S_IT)); + + /* Get the SPI/I2S IT index */ + itpos = SPI_I2S_IT >> 4; + + /* Set the IT mask */ + itmask = (uint16_t)1 << (uint16_t)itpos; + + if (NewState != DISABLE) + { + /* Enable the selected SPI/I2S interrupt */ + SPIx->CR2 |= itmask; + } + else + { + /* Disable the selected SPI/I2S interrupt */ + SPIx->CR2 &= (uint16_t)~itmask; + } +} + +/** + * @brief Enables or disables the SPIx/I2Sx DMA interface. + * @param SPIx: where x can be + * - 1, 2 or 3 in SPI mode + * - 2 or 3 in I2S mode + * @param SPI_I2S_DMAReq: specifies the SPI/I2S DMA transfer request to be enabled or disabled. + * This parameter can be any combination of the following values: + * @arg SPI_I2S_DMAReq_Tx: Tx buffer DMA transfer request + * @arg SPI_I2S_DMAReq_Rx: Rx buffer DMA transfer request + * @param NewState: new state of the selected SPI/I2S DMA transfer request. + * This parameter can be: ENABLE or DISABLE. + * @retval None + */ +void SPI_I2S_DMACmd(SPI_TypeDef* SPIx, uint16_t SPI_I2S_DMAReq, FunctionalState NewState) +{ + /* Check the parameters */ + assert_param(IS_SPI_ALL_PERIPH(SPIx)); + assert_param(IS_FUNCTIONAL_STATE(NewState)); + assert_param(IS_SPI_I2S_DMAREQ(SPI_I2S_DMAReq)); + if (NewState != DISABLE) + { + /* Enable the selected SPI/I2S DMA requests */ + SPIx->CR2 |= SPI_I2S_DMAReq; + } + else + { + /* Disable the selected SPI/I2S DMA requests */ + SPIx->CR2 &= (uint16_t)~SPI_I2S_DMAReq; + } +} + +/** + * @brief Transmits a Data through the SPIx/I2Sx peripheral. + * @param SPIx: where x can be + * - 1, 2 or 3 in SPI mode + * - 2 or 3 in I2S mode + * @param Data : Data to be transmitted. + * @retval None + */ +void SPI_I2S_SendData(SPI_TypeDef* SPIx, uint16_t Data) +{ + /* Check the parameters */ + assert_param(IS_SPI_ALL_PERIPH(SPIx)); + + /* Write in the DR register the data to be sent */ + SPIx->DR = Data; +} + +/** + * @brief Returns the most recent received data by the SPIx/I2Sx peripheral. + * @param SPIx: where x can be + * - 1, 2 or 3 in SPI mode + * - 2 or 3 in I2S mode + * @retval The value of the received data. + */ +uint16_t SPI_I2S_ReceiveData(SPI_TypeDef* SPIx) +{ + /* Check the parameters */ + assert_param(IS_SPI_ALL_PERIPH(SPIx)); + + /* Return the data in the DR register */ + return SPIx->DR; +} + +/** + * @brief Configures internally by software the NSS pin for the selected SPI. + * @param SPIx: where x can be 1, 2 or 3 to select the SPI peripheral. + * @param SPI_NSSInternalSoft: specifies the SPI NSS internal state. + * This parameter can be one of the following values: + * @arg SPI_NSSInternalSoft_Set: Set NSS pin internally + * @arg SPI_NSSInternalSoft_Reset: Reset NSS pin internally + * @retval None + */ +void SPI_NSSInternalSoftwareConfig(SPI_TypeDef* SPIx, uint16_t SPI_NSSInternalSoft) +{ + /* Check the parameters */ + assert_param(IS_SPI_ALL_PERIPH(SPIx)); + assert_param(IS_SPI_NSS_INTERNAL(SPI_NSSInternalSoft)); + if (SPI_NSSInternalSoft != SPI_NSSInternalSoft_Reset) + { + /* Set NSS pin internally by software */ + SPIx->CR1 |= SPI_NSSInternalSoft_Set; + } + else + { + /* Reset NSS pin internally by software */ + SPIx->CR1 &= SPI_NSSInternalSoft_Reset; + } +} + +/** + * @brief Enables or disables the SS output for the selected SPI. + * @param SPIx: where x can be 1, 2 or 3 to select the SPI peripheral. + * @param NewState: new state of the SPIx SS output. + * This parameter can be: ENABLE or DISABLE. + * @retval None + */ +void SPI_SSOutputCmd(SPI_TypeDef* SPIx, FunctionalState NewState) +{ + /* Check the parameters */ + assert_param(IS_SPI_ALL_PERIPH(SPIx)); + assert_param(IS_FUNCTIONAL_STATE(NewState)); + if (NewState != DISABLE) + { + /* Enable the selected SPI SS output */ + SPIx->CR2 |= CR2_SSOE_Set; + } + else + { + /* Disable the selected SPI SS output */ + SPIx->CR2 &= CR2_SSOE_Reset; + } +} + +/** + * @brief Configures the data size for the selected SPI. + * @param SPIx: where x can be 1, 2 or 3 to select the SPI peripheral. + * @param SPI_DataSize: specifies the SPI data size. + * This parameter can be one of the following values: + * @arg SPI_DataSize_16b: Set data frame format to 16bit + * @arg SPI_DataSize_8b: Set data frame format to 8bit + * @retval None + */ +void SPI_DataSizeConfig(SPI_TypeDef* SPIx, uint16_t SPI_DataSize) +{ + /* Check the parameters */ + assert_param(IS_SPI_ALL_PERIPH(SPIx)); + assert_param(IS_SPI_DATASIZE(SPI_DataSize)); + /* Clear DFF bit */ + SPIx->CR1 &= (uint16_t)~SPI_DataSize_16b; + /* Set new DFF bit value */ + SPIx->CR1 |= SPI_DataSize; +} + +/** + * @brief Transmit the SPIx CRC value. + * @param SPIx: where x can be 1, 2 or 3 to select the SPI peripheral. + * @retval None + */ +void SPI_TransmitCRC(SPI_TypeDef* SPIx) +{ + /* Check the parameters */ + assert_param(IS_SPI_ALL_PERIPH(SPIx)); + + /* Enable the selected SPI CRC transmission */ + SPIx->CR1 |= CR1_CRCNext_Set; +} + +/** + * @brief Enables or disables the CRC value calculation of the transferred bytes. + * @param SPIx: where x can be 1, 2 or 3 to select the SPI peripheral. + * @param NewState: new state of the SPIx CRC value calculation. + * This parameter can be: ENABLE or DISABLE. + * @retval None + */ +void SPI_CalculateCRC(SPI_TypeDef* SPIx, FunctionalState NewState) +{ + /* Check the parameters */ + assert_param(IS_SPI_ALL_PERIPH(SPIx)); + assert_param(IS_FUNCTIONAL_STATE(NewState)); + if (NewState != DISABLE) + { + /* Enable the selected SPI CRC calculation */ + SPIx->CR1 |= CR1_CRCEN_Set; + } + else + { + /* Disable the selected SPI CRC calculation */ + SPIx->CR1 &= CR1_CRCEN_Reset; + } +} + +/** + * @brief Returns the transmit or the receive CRC register value for the specified SPI. + * @param SPIx: where x can be 1, 2 or 3 to select the SPI peripheral. + * @param SPI_CRC: specifies the CRC register to be read. + * This parameter can be one of the following values: + * @arg SPI_CRC_Tx: Selects Tx CRC register + * @arg SPI_CRC_Rx: Selects Rx CRC register + * @retval The selected CRC register value.. + */ +uint16_t SPI_GetCRC(SPI_TypeDef* SPIx, uint8_t SPI_CRC) +{ + uint16_t crcreg = 0; + /* Check the parameters */ + assert_param(IS_SPI_ALL_PERIPH(SPIx)); + assert_param(IS_SPI_CRC(SPI_CRC)); + if (SPI_CRC != SPI_CRC_Rx) + { + /* Get the Tx CRC register */ + crcreg = SPIx->TXCRCR; + } + else + { + /* Get the Rx CRC register */ + crcreg = SPIx->RXCRCR; + } + /* Return the selected CRC register */ + return crcreg; +} + +/** + * @brief Returns the CRC Polynomial register value for the specified SPI. + * @param SPIx: where x can be 1, 2 or 3 to select the SPI peripheral. + * @retval The CRC Polynomial register value. + */ +uint16_t SPI_GetCRCPolynomial(SPI_TypeDef* SPIx) +{ + /* Check the parameters */ + assert_param(IS_SPI_ALL_PERIPH(SPIx)); + + /* Return the CRC polynomial register */ + return SPIx->CRCPR; +} + +/** + * @brief Selects the data transfer direction in bi-directional mode for the specified SPI. + * @param SPIx: where x can be 1, 2 or 3 to select the SPI peripheral. + * @param SPI_Direction: specifies the data transfer direction in bi-directional mode. + * This parameter can be one of the following values: + * @arg SPI_Direction_Tx: Selects Tx transmission direction + * @arg SPI_Direction_Rx: Selects Rx receive direction + * @retval None + */ +void SPI_BiDirectionalLineConfig(SPI_TypeDef* SPIx, uint16_t SPI_Direction) +{ + /* Check the parameters */ + assert_param(IS_SPI_ALL_PERIPH(SPIx)); + assert_param(IS_SPI_DIRECTION(SPI_Direction)); + if (SPI_Direction == SPI_Direction_Tx) + { + /* Set the Tx only mode */ + SPIx->CR1 |= SPI_Direction_Tx; + } + else + { + /* Set the Rx only mode */ + SPIx->CR1 &= SPI_Direction_Rx; + } +} + +/** + * @brief Checks whether the specified SPI/I2S flag is set or not. + * @param SPIx: where x can be + * - 1, 2 or 3 in SPI mode + * - 2 or 3 in I2S mode + * @param SPI_I2S_FLAG: specifies the SPI/I2S flag to check. + * This parameter can be one of the following values: + * @arg SPI_I2S_FLAG_TXE: Transmit buffer empty flag. + * @arg SPI_I2S_FLAG_RXNE: Receive buffer not empty flag. + * @arg SPI_I2S_FLAG_BSY: Busy flag. + * @arg SPI_I2S_FLAG_OVR: Overrun flag. + * @arg SPI_FLAG_MODF: Mode Fault flag. + * @arg SPI_FLAG_CRCERR: CRC Error flag. + * @arg I2S_FLAG_UDR: Underrun Error flag. + * @arg I2S_FLAG_CHSIDE: Channel Side flag. + * @retval The new state of SPI_I2S_FLAG (SET or RESET). + */ +FlagStatus SPI_I2S_GetFlagStatus(SPI_TypeDef* SPIx, uint16_t SPI_I2S_FLAG) +{ + FlagStatus bitstatus = RESET; + /* Check the parameters */ + assert_param(IS_SPI_ALL_PERIPH(SPIx)); + assert_param(IS_SPI_I2S_GET_FLAG(SPI_I2S_FLAG)); + /* Check the status of the specified SPI/I2S flag */ + if ((SPIx->SR & SPI_I2S_FLAG) != (uint16_t)RESET) + { + /* SPI_I2S_FLAG is set */ + bitstatus = SET; + } + else + { + /* SPI_I2S_FLAG is reset */ + bitstatus = RESET; + } + /* Return the SPI_I2S_FLAG status */ + return bitstatus; +} + +/** + * @brief Clears the SPIx CRC Error (CRCERR) flag. + * @param SPIx: where x can be + * - 1, 2 or 3 in SPI mode + * @param SPI_I2S_FLAG: specifies the SPI flag to clear. + * This function clears only CRCERR flag. + * @note + * - OVR (OverRun error) flag is cleared by software sequence: a read + * operation to SPI_DR register (SPI_I2S_ReceiveData()) followed by a read + * operation to SPI_SR register (SPI_I2S_GetFlagStatus()). + * - UDR (UnderRun error) flag is cleared by a read operation to + * SPI_SR register (SPI_I2S_GetFlagStatus()). + * - MODF (Mode Fault) flag is cleared by software sequence: a read/write + * operation to SPI_SR register (SPI_I2S_GetFlagStatus()) followed by a + * write operation to SPI_CR1 register (SPI_Cmd() to enable the SPI). + * @retval None + */ +void SPI_I2S_ClearFlag(SPI_TypeDef* SPIx, uint16_t SPI_I2S_FLAG) +{ + /* Check the parameters */ + assert_param(IS_SPI_ALL_PERIPH(SPIx)); + assert_param(IS_SPI_I2S_CLEAR_FLAG(SPI_I2S_FLAG)); + + /* Clear the selected SPI CRC Error (CRCERR) flag */ + SPIx->SR = (uint16_t)~SPI_I2S_FLAG; +} + +/** + * @brief Checks whether the specified SPI/I2S interrupt has occurred or not. + * @param SPIx: where x can be + * - 1, 2 or 3 in SPI mode + * - 2 or 3 in I2S mode + * @param SPI_I2S_IT: specifies the SPI/I2S interrupt source to check. + * This parameter can be one of the following values: + * @arg SPI_I2S_IT_TXE: Transmit buffer empty interrupt. + * @arg SPI_I2S_IT_RXNE: Receive buffer not empty interrupt. + * @arg SPI_I2S_IT_OVR: Overrun interrupt. + * @arg SPI_IT_MODF: Mode Fault interrupt. + * @arg SPI_IT_CRCERR: CRC Error interrupt. + * @arg I2S_IT_UDR: Underrun Error interrupt. + * @retval The new state of SPI_I2S_IT (SET or RESET). + */ +ITStatus SPI_I2S_GetITStatus(SPI_TypeDef* SPIx, uint8_t SPI_I2S_IT) +{ + ITStatus bitstatus = RESET; + uint16_t itpos = 0, itmask = 0, enablestatus = 0; + + /* Check the parameters */ + assert_param(IS_SPI_ALL_PERIPH(SPIx)); + assert_param(IS_SPI_I2S_GET_IT(SPI_I2S_IT)); + + /* Get the SPI/I2S IT index */ + itpos = 0x01 << (SPI_I2S_IT & 0x0F); + + /* Get the SPI/I2S IT mask */ + itmask = SPI_I2S_IT >> 4; + + /* Set the IT mask */ + itmask = 0x01 << itmask; + + /* Get the SPI_I2S_IT enable bit status */ + enablestatus = (SPIx->CR2 & itmask) ; + + /* Check the status of the specified SPI/I2S interrupt */ + if (((SPIx->SR & itpos) != (uint16_t)RESET) && enablestatus) + { + /* SPI_I2S_IT is set */ + bitstatus = SET; + } + else + { + /* SPI_I2S_IT is reset */ + bitstatus = RESET; + } + /* Return the SPI_I2S_IT status */ + return bitstatus; +} + +/** + * @brief Clears the SPIx CRC Error (CRCERR) interrupt pending bit. + * @param SPIx: where x can be + * - 1, 2 or 3 in SPI mode + * @param SPI_I2S_IT: specifies the SPI interrupt pending bit to clear. + * This function clears only CRCERR interrupt pending bit. + * @note + * - OVR (OverRun Error) interrupt pending bit is cleared by software + * sequence: a read operation to SPI_DR register (SPI_I2S_ReceiveData()) + * followed by a read operation to SPI_SR register (SPI_I2S_GetITStatus()). + * - UDR (UnderRun Error) interrupt pending bit is cleared by a read + * operation to SPI_SR register (SPI_I2S_GetITStatus()). + * - MODF (Mode Fault) interrupt pending bit is cleared by software sequence: + * a read/write operation to SPI_SR register (SPI_I2S_GetITStatus()) + * followed by a write operation to SPI_CR1 register (SPI_Cmd() to enable + * the SPI). + * @retval None + */ +void SPI_I2S_ClearITPendingBit(SPI_TypeDef* SPIx, uint8_t SPI_I2S_IT) +{ + uint16_t itpos = 0; + /* Check the parameters */ + assert_param(IS_SPI_ALL_PERIPH(SPIx)); + assert_param(IS_SPI_I2S_CLEAR_IT(SPI_I2S_IT)); + + /* Get the SPI IT index */ + itpos = 0x01 << (SPI_I2S_IT & 0x0F); + + /* Clear the selected SPI CRC Error (CRCERR) interrupt pending bit */ + SPIx->SR = (uint16_t)~itpos; +} +/** + * @} + */ + +/** + * @} + */ + +/** + * @} + */ + +/******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/ |