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Diffstat (limited to 'thirdparty/STM32_USB-FS-Device_Lib_V4.0.0/Libraries/STM32F30x_StdPeriph_Driver/src/stm32f30x_syscfg.c')
| -rw-r--r-- | thirdparty/STM32_USB-FS-Device_Lib_V4.0.0/Libraries/STM32F30x_StdPeriph_Driver/src/stm32f30x_syscfg.c | 472 |
1 files changed, 472 insertions, 0 deletions
diff --git a/thirdparty/STM32_USB-FS-Device_Lib_V4.0.0/Libraries/STM32F30x_StdPeriph_Driver/src/stm32f30x_syscfg.c b/thirdparty/STM32_USB-FS-Device_Lib_V4.0.0/Libraries/STM32F30x_StdPeriph_Driver/src/stm32f30x_syscfg.c new file mode 100644 index 0000000..e349ba6 --- /dev/null +++ b/thirdparty/STM32_USB-FS-Device_Lib_V4.0.0/Libraries/STM32F30x_StdPeriph_Driver/src/stm32f30x_syscfg.c @@ -0,0 +1,472 @@ +/** + ****************************************************************************** + * @file stm32f30x_syscfg.c + * @author MCD Application Team + * @version V1.0.1 + * @date 23-October-2012 + * @brief This file provides firmware functions to manage the following + * functionalities of the SYSCFG peripheral: + * + Remapping the memory mapped at 0x00000000 + * + Remapping the DMA channels + * + Enabling I2C fast mode plus driving capability for I2C plus + * + Remapping USB interrupt line + * + Configuring the EXTI lines connection to the GPIO port + * + Configuring the CLASSB requirements + * + @verbatim + + =============================================================================== + ##### How to use this driver ##### + =============================================================================== + [..] The SYSCFG registers can be accessed only when the SYSCFG + interface APB clock is enabled. + [..] To enable SYSCFG APB clock use: + RCC_APBPeriphClockCmd(RCC_APBPeriph_SYSCFG, ENABLE); + + @endverbatim + + ****************************************************************************** + * @attention + * + * <h2><center>© COPYRIGHT 2012 STMicroelectronics</center></h2> + * + * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License"); + * You may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.st.com/software_license_agreement_liberty_v2 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + ****************************************************************************** + */ + +/* Includes ------------------------------------------------------------------*/ +#include "stm32f30x_syscfg.h" + +/** @addtogroup STM32F30x_StdPeriph_Driver + * @{ + */ + +/** @defgroup SYSCFG + * @brief SYSCFG driver modules + * @{ + */ + +/* Private typedef -----------------------------------------------------------*/ +/* Private define ------------------------------------------------------------*/ +/* Reset value od SYSCFG_CFGR1 register */ +#define CFGR1_CLEAR_MASK ((uint32_t)0x7C000000) + +/* ------------ SYSCFG registers bit address in the alias region -------------*/ +#define SYSCFG_OFFSET (SYSCFG_BASE - PERIPH_BASE) + +/* --- CFGR1 Register ---*/ +/* Alias word address of USB_IT_RMP bit */ +#define CFGR1_OFFSET (SYSCFG_OFFSET + 0x00) +#define USBITRMP_BitNumber 0x05 +#define CFGR1_USBITRMP_BB (PERIPH_BB_BASE + (CFGR1_OFFSET * 32) + (USBITRMP_BitNumber * 4)) + +/* --- CFGR2 Register ---*/ +/* Alias word address of BYP_ADDR_PAR bit */ +#define CFGR2_OFFSET (SYSCFG_OFFSET + 0x18) +#define BYPADDRPAR_BitNumber 0x04 +#define CFGR1_BYPADDRPAR_BB (PERIPH_BB_BASE + (CFGR2_OFFSET * 32) + (BYPADDRPAR_BitNumber * 4)) + +/* Private macro -------------------------------------------------------------*/ +/* Private variables ---------------------------------------------------------*/ +/* Private function prototypes -----------------------------------------------*/ +/* Private functions ---------------------------------------------------------*/ + +/** @defgroup SYSCFG_Private_Functions + * @{ + */ + +/** @defgroup SYSCFG_Group1 SYSCFG Initialization and Configuration functions + * @brief SYSCFG Initialization and Configuration functions + * +@verbatim + =============================================================================== + ##### SYSCFG Initialization and Configuration functions ##### + =============================================================================== + +@endverbatim + * @{ + */ + +/** + * @brief Deinitializes the SYSCFG registers to their default reset values. + * @param None + * @retval None + * @note MEM_MODE bits are not affected by APB reset. + * MEM_MODE bits took the value from the user option bytes. + */ +void SYSCFG_DeInit(void) +{ + /* Reset SYSCFG_CFGR1 register to reset value without affecting MEM_MODE bits */ + SYSCFG->CFGR1 &= SYSCFG_CFGR1_MEM_MODE; + /* Set FPU Interrupt Enable bits to default value */ + SYSCFG->CFGR1 |= 0x7C000000; + /* Reset RAM Write protection bits to default value */ + SYSCFG->RCR = 0x00000000; + /* Set EXTICRx registers to reset value */ + SYSCFG->EXTICR[0] = 0; + SYSCFG->EXTICR[1] = 0; + SYSCFG->EXTICR[2] = 0; + SYSCFG->EXTICR[3] = 0; + /* Set CFGR2 register to reset value */ + SYSCFG->CFGR2 = 0; +} + +/** + * @brief Configures the memory mapping at address 0x00000000. + * @param SYSCFG_MemoryRemap: selects the memory remapping. + * This parameter can be one of the following values: + * @arg SYSCFG_MemoryRemap_Flash: Main Flash memory mapped at 0x00000000 + * @arg SYSCFG_MemoryRemap_SystemMemory: System Flash memory mapped at 0x00000000 + * @arg SYSCFG_MemoryRemap_SRAM: Embedded SRAM mapped at 0x00000000 + * @retval None + */ +void SYSCFG_MemoryRemapConfig(uint32_t SYSCFG_MemoryRemap) +{ + uint32_t tmpcfgr1 = 0; + + /* Check the parameter */ + assert_param(IS_SYSCFG_MEMORY_REMAP(SYSCFG_MemoryRemap)); + + /* Get CFGR1 register value */ + tmpcfgr1 = SYSCFG->CFGR1; + + /* Clear MEM_MODE bits */ + tmpcfgr1 &= (uint32_t) (~SYSCFG_CFGR1_MEM_MODE); + + /* Set the new MEM_MODE bits value */ + tmpcfgr1 |= (uint32_t) SYSCFG_MemoryRemap; + + /* Set CFGR1 register with the new memory remap configuration */ + SYSCFG->CFGR1 = tmpcfgr1; +} + +/** + * @brief Configures the DMA channels remapping. + * @param SYSCFG_DMARemap: selects the DMA channels remap. + * This parameter can be one of the following values: + * @arg SYSCFG_DMARemap_TIM17: Remap TIM17 DMA requests from DMA1 channel1 to channel2 + * @arg SYSCFG_DMARemap_TIM16: Remap TIM16 DMA requests from DMA1 channel3 to channel4 + * @arg SYSCFG_DMARemap_TIM6DAC1: Remap TIM6/DAC1 DMA requests from DMA2 channel 3 to DMA1 channel 3 + * @arg SYSCFG_DMARemap_TIM7DAC2: Remap TIM7/DAC2 DMA requests from DMA2 channel 4 to DMA1 channel 4 + * @arg SYSCFG_DMARemap_ADC2ADC4: Remap ADC2 and ADC4 DMA requests from DMA2 channel1/channel3 to channel3/channel4 + * @param NewState: new state of the DMA channel remapping. + * This parameter can be: Enable or Disable. + * @note When enabled, DMA channel of the selected peripheral is remapped + * @note When disabled, Default DMA channel is mapped to the selected peripheral + * @note + * By default TIM17 DMA requests is mapped to channel 1 + * use SYSCFG_DMAChannelRemapConfig(SYSCFG_DMARemap_TIM17, Enable) + * to remap TIM17 DMA requests to DMA1 channel 2 + * use SYSCFG_DMAChannelRemapConfig(SYSCFG_DMARemap_TIM17, Disable) + * to map TIM17 DMA requests to DMA1 channel 1 (default mapping) + * @retval None + */ +void SYSCFG_DMAChannelRemapConfig(uint32_t SYSCFG_DMARemap, FunctionalState NewState) +{ + /* Check the parameters */ + assert_param(IS_SYSCFG_DMA_REMAP(SYSCFG_DMARemap)); + assert_param(IS_FUNCTIONAL_STATE(NewState)); + + if (NewState != DISABLE) + { + /* Remap the DMA channel */ + SYSCFG->CFGR1 |= (uint32_t)SYSCFG_DMARemap; + } + else + { + /* use the default DMA channel mapping */ + SYSCFG->CFGR1 &= (uint32_t)(~SYSCFG_DMARemap); + } +} + +/** + * @brief Configures the remapping capabilities of DAC/TIM triggers. + * @param SYSCFG_TriggerRemap: selects the trigger to be remapped. + * This parameter can be one of the following values: + * @arg SYSCFG_TriggerRemap_DACTIM3: Remap DAC trigger from TIM8 to TIM3 + * @arg SYSCFG_TriggerRemap_TIM1TIM17: Remap TIM1 ITR3 from TIM4 TRGO to TIM17 OC + * @param NewState: new state of the trigger mapping. + * This parameter can be: ENABLE or DISABLE. + * @note ENABLE: Enable fast mode plus driving capability for selected pin + * @note DISABLE: Disable fast mode plus driving capability for selected pin + * @retval None + */ +void SYSCFG_TriggerRemapConfig(uint32_t SYSCFG_TriggerRemap, FunctionalState NewState) +{ + /* Check the parameters */ + assert_param(IS_SYSCFG_TRIGGER_REMAP(SYSCFG_TriggerRemap)); + assert_param(IS_FUNCTIONAL_STATE(NewState)); + + if (NewState != DISABLE) + { + /* Remap the trigger */ + SYSCFG->CFGR1 |= (uint32_t)SYSCFG_TriggerRemap; + } + else + { + /* Use the default trigger mapping */ + SYSCFG->CFGR1 &= (uint32_t)(~SYSCFG_TriggerRemap); + } +} + +/** + * @brief Configures the remapping capabilities of encoder mode. + * @ note This feature implement the so-called M/T method for measuring speed + * and position using quadrature encoders. + * @param SYSCFG_EncoderRemap: selects the remap option for encoder mode. + * This parameter can be one of the following values: + * @arg SYSCFG_EncoderRemap_No: No remap + * @arg SYSCFG_EncoderRemap_TIM2: Timer 2 IC1 and IC2 connected to TIM15 IC1 and IC2 + * @arg SYSCFG_EncoderRemap_TIM3: Timer 3 IC1 and IC2 connected to TIM15 IC1 and IC2 + * @arg SYSCFG_EncoderRemap_TIM4: Timer 4 IC1 and IC2 connected to TIM15 IC1 and IC2 + * @retval None + */ +void SYSCFG_EncoderRemapConfig(uint32_t SYSCFG_EncoderRemap) +{ + /* Check the parameter */ + assert_param(IS_SYSCFG_ENCODER_REMAP(SYSCFG_EncoderRemap)); + + /* Reset the encoder mode remapping bits */ + SYSCFG->CFGR1 &= (uint32_t)(~SYSCFG_CFGR1_ENCODER_MODE); + + /* Set the selected configuration */ + SYSCFG->CFGR1 |= (uint32_t)(SYSCFG_EncoderRemap); +} + +/** + * @brief Remaps the USB interrupt lines. + * @param NewState: new state of the mapping of USB interrupt lines. + * This parameter can be: + * @param ENABLE: Remap the USB interrupt line as following: + * @arg USB Device High Priority (USB_HP) interrupt mapped to line 74. + * @arg USB Device Low Priority (USB_LP) interrupt mapped to line 75. + * @arg USB Wakeup Interrupt (USB_WKUP) interrupt mapped to line 76. + * @param DISABLE: Use the default USB interrupt line: + * @arg USB Device High Priority (USB_HP) interrupt mapped to line 19. + * @arg USB Device Low Priority (USB_LP) interrupt mapped to line 20. + * @arg USB Wakeup Interrupt (USB_WKUP) interrupt mapped to line 42. + * @retval None + */ +void SYSCFG_USBInterruptLineRemapCmd(FunctionalState NewState) +{ + /* Check the parameter */ + assert_param(IS_FUNCTIONAL_STATE(NewState)); + + /* Remap the USB interupt lines */ + *(__IO uint32_t *) CFGR1_USBITRMP_BB = (uint32_t)NewState; +} + +/** + * @brief Configures the I2C fast mode plus driving capability. + * @param SYSCFG_I2CFastModePlus: selects the pin. + * This parameter can be one of the following values: + * @arg SYSCFG_I2CFastModePlus_PB6: Configure fast mode plus driving capability for PB6 + * @arg SYSCFG_I2CFastModePlus_PB7: Configure fast mode plus driving capability for PB7 + * @arg SYSCFG_I2CFastModePlus_PB8: Configure fast mode plus driving capability for PB8 + * @arg SYSCFG_I2CFastModePlus_PB9: Configure fast mode plus driving capability for PB9 + * @arg SYSCFG_I2CFastModePlus_I2C1: Configure fast mode plus driving capability for I2C1 pins + * @arg SYSCFG_I2CFastModePlus_I2C2: Configure fast mode plus driving capability for I2C2 pins + * @param NewState: new state of the DMA channel remapping. + * This parameter can be: + * @arg ENABLE: Enable fast mode plus driving capability for selected I2C pin + * @arg DISABLE: Disable fast mode plus driving capability for selected I2C pin + * @note For I2C1, fast mode plus driving capability can be enabled on all selected + * I2C1 pins using SYSCFG_I2CFastModePlus_I2C1 parameter or independently + * on each one of the following pins PB6, PB7, PB8 and PB9. + * @note For remaing I2C1 pins (PA14, PA15...) fast mode plus driving capability + * can be enabled only by using SYSCFG_I2CFastModePlus_I2C1 parameter. + * @note For all I2C2 pins fast mode plus driving capability can be enabled + * only by using SYSCFG_I2CFastModePlus_I2C2 parameter. + * @retval None + */ +void SYSCFG_I2CFastModePlusConfig(uint32_t SYSCFG_I2CFastModePlus, FunctionalState NewState) +{ + /* Check the parameters */ + assert_param(IS_SYSCFG_I2C_FMP(SYSCFG_I2CFastModePlus)); + assert_param(IS_FUNCTIONAL_STATE(NewState)); + + if (NewState != DISABLE) + { + /* Enable fast mode plus driving capability for selected I2C pin */ + SYSCFG->CFGR1 |= (uint32_t)SYSCFG_I2CFastModePlus; + } + else + { + /* Disable fast mode plus driving capability for selected I2C pin */ + SYSCFG->CFGR1 &= (uint32_t)(~SYSCFG_I2CFastModePlus); + } +} + +/** + * @brief Enables or disables the selected SYSCFG interrupts. + * @param SYSCFG_IT: specifies the SYSCFG interrupt sources to be enabled or disabled. + * This parameter can be one of the following values: + * @arg SYSCFG_IT_IXC: Inexact Interrupt + * @arg SYSCFG_IT_IDC: Input denormal Interrupt + * @arg SYSCFG_IT_OFC: Overflow Interrupt + * @arg SYSCFG_IT_UFC: Underflow Interrupt + * @arg SYSCFG_IT_DZC: Divide-by-zero Interrupt + * @arg SYSCFG_IT_IOC: Invalid operation Interrupt + * @param NewState: new state of the specified SYSCFG interrupts. + * This parameter can be: ENABLE or DISABLE. + * @retval None + */ +void SYSCFG_ITConfig(uint32_t SYSCFG_IT, FunctionalState NewState) +{ + /* Check the parameters */ + assert_param(IS_FUNCTIONAL_STATE(NewState)); + assert_param(IS_SYSCFG_IT(SYSCFG_IT)); + + if (NewState != DISABLE) + { + /* Enable the selected SYSCFG interrupts */ + SYSCFG->CFGR1 |= SYSCFG_IT; + } + else + { + /* Disable the selected SYSCFG interrupts */ + SYSCFG->CFGR1 &= ((uint32_t)~SYSCFG_IT); + } +} + +/** + * @brief Selects the GPIO pin used as EXTI Line. + * @param EXTI_PortSourceGPIOx : selects the GPIO port to be used as source + * for EXTI lines where x can be (A, B, C, D, E or F). + * @param EXTI_PinSourcex: specifies the EXTI line to be configured. + * This parameter can be EXTI_PinSourcex where x can be (0..15) + * @retval None + */ +void SYSCFG_EXTILineConfig(uint8_t EXTI_PortSourceGPIOx, uint8_t EXTI_PinSourcex) +{ + uint32_t tmp = 0x00; + + /* Check the parameters */ + assert_param(IS_EXTI_PORT_SOURCE(EXTI_PortSourceGPIOx)); + assert_param(IS_EXTI_PIN_SOURCE(EXTI_PinSourcex)); + + tmp = ((uint32_t)0x0F) << (0x04 * (EXTI_PinSourcex & (uint8_t)0x03)); + SYSCFG->EXTICR[EXTI_PinSourcex >> 0x02] &= ~tmp; + SYSCFG->EXTICR[EXTI_PinSourcex >> 0x02] |= (((uint32_t)EXTI_PortSourceGPIOx) << (0x04 * (EXTI_PinSourcex & (uint8_t)0x03))); +} + +/** + * @brief Connects the selected parameter to the break input of TIM1. + * @note The selected configuration is locked and can be unlocked by system reset + * @param SYSCFG_Break: selects the configuration to be connected to break + * input of TIM1 + * This parameter can be any combination of the following values: + * @arg SYSCFG_Break_PVD: PVD interrupt is connected to the break input of TIM1. + * @arg SYSCFG_Break_SRAMParity: SRAM Parity error is connected to the break input of TIM1. + * @arg SYSCFG_Break_HardFault: Lockup output of CortexM4 is connected to the break input of TIM1. + * @retval None + */ +void SYSCFG_BreakConfig(uint32_t SYSCFG_Break) +{ + /* Check the parameter */ + assert_param(IS_SYSCFG_LOCK_CONFIG(SYSCFG_Break)); + + SYSCFG->CFGR2 |= (uint32_t) SYSCFG_Break; +} + +/** + * @brief Disables the parity check on RAM. + * @note Disabling the parity check on RAM locks the configuration bit. + * To re-enable the parity check on RAM perform a system reset. + * @param None + * @retval None + */ +void SYSCFG_BypassParityCheckDisable(void) +{ + /* Disable the adddress parity check on RAM */ + *(__IO uint32_t *) CFGR1_BYPADDRPAR_BB = (uint32_t)0x00000001; +} + +/** + * @brief Enables the ICODE SRAM write protection. + * @note Enabling the ICODE SRAM write protection locks the configuration bit. + * To disable the ICODE SRAM write protection perform a system reset. + * @param None + * @retval None + */ +void SYSCFG_SRAMWRPEnable(uint32_t SYSCFG_SRAMWRP) +{ + /* Check the parameter */ + assert_param(IS_SYSCFG_PAGE(SYSCFG_SRAMWRP)); + + /* Enable the write-protection on the selected ICODE SRAM page */ + SYSCFG->RCR |= (uint32_t)SYSCFG_SRAMWRP; +} + +/** + * @brief Checks whether the specified SYSCFG flag is set or not. + * @param SYSCFG_Flag: specifies the SYSCFG flag to check. + * This parameter can be one of the following values: + * @arg SYSCFG_FLAG_PE: SRAM parity error flag. + * @retval The new state of SYSCFG_Flag (SET or RESET). + */ +FlagStatus SYSCFG_GetFlagStatus(uint32_t SYSCFG_Flag) +{ + FlagStatus bitstatus = RESET; + + /* Check the parameter */ + assert_param(IS_SYSCFG_FLAG(SYSCFG_Flag)); + + /* Check the status of the specified SPI flag */ + if ((SYSCFG->CFGR2 & SYSCFG_CFGR2_SRAM_PE) != (uint32_t)RESET) + { + /* SYSCFG_Flag is set */ + bitstatus = SET; + } + else + { + /* SYSCFG_Flag is reset */ + bitstatus = RESET; + } + /* Return the SYSCFG_Flag status */ + return bitstatus; +} + +/** + * @brief Clears the selected SYSCFG flag. + * @param SYSCFG_Flag: selects the flag to be cleared. + * This parameter can be any combination of the following values: + * @arg SYSCFG_FLAG_PE: SRAM parity error flag. + * @retval None + */ +void SYSCFG_ClearFlag(uint32_t SYSCFG_Flag) +{ + /* Check the parameter */ + assert_param(IS_SYSCFG_FLAG(SYSCFG_Flag)); + + SYSCFG->CFGR2 |= (uint32_t) SYSCFG_Flag; +} + +/** + * @} + */ + +/** + * @} + */ + +/** + * @} + */ + +/** + * @} + */ +/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ + |