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Diffstat (limited to 'tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/CEC/DataExchangeInterrupt/stm32f10x_it.c')
| -rw-r--r-- | tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/CEC/DataExchangeInterrupt/stm32f10x_it.c | 287 |
1 files changed, 287 insertions, 0 deletions
diff --git a/tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/CEC/DataExchangeInterrupt/stm32f10x_it.c b/tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/CEC/DataExchangeInterrupt/stm32f10x_it.c new file mode 100644 index 0000000..07e58f3 --- /dev/null +++ b/tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/CEC/DataExchangeInterrupt/stm32f10x_it.c @@ -0,0 +1,287 @@ +/** + ****************************************************************************** + * @file CEC/DataExchangeInterrupt/stm32f10x_it.c + * @author MCD Application Team + * @version V3.5.0 + * @date 08-April-2011 + * @brief Main Interrupt Service Routines. + * This file provides template for all exceptions handler and + * peripherals interrupt service routine. + ****************************************************************************** + * @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_it.h" +#include "stm32_eval.h" + +/** @addtogroup STM32F10x_StdPeriph_Examples + * @{ + */ + +/** @addtogroup CEC_DataExchangeInterrupt + * @{ + */ + +/* Private typedef -----------------------------------------------------------*/ +/* Private define ------------------------------------------------------------*/ +/* Private macro -------------------------------------------------------------*/ +/* Private variables ---------------------------------------------------------*/ +/* Receive buffer */ +uint8_t ReceiveBuffer[10]; +/* Transmit buffer */ +uint8_t TransmitBuffer[10] = {0xDF, 0x12, 0xD3, 0x56, 0x97, + 0xA1, 0xEC, 0x7B, 0x4F, 0x22}; +__IO uint8_t ReceivedFrame = 0; +uint8_t send_inc = 0, rcv_inc = 0; +uint8_t HeaderBlockValueToSend = 0; +uint8_t InitiatorAddress = 0; +uint8_t TransErrorCode = 0; +uint8_t RecepErrorCode = 0; +extern uint8_t ByteNumber; + +/* Private function prototypes -----------------------------------------------*/ +/* Private functions ---------------------------------------------------------*/ + +/******************************************************************************/ +/* Cortex-M3 Processor Exceptions Handlers */ +/******************************************************************************/ + +/** + * @brief This function handles NMI exception. + * @param None + * @retval None + */ +void NMI_Handler(void) +{ +} + +/** + * @brief This function handles Hard Fault exception. + * @param None + * @retval None + */ +void HardFault_Handler(void) +{ + /* Go to infinite loop when Hard Fault exception occurs */ + while (1) + { + } +} + +/** + * @brief This function handles Memory Manage exception. + * @param None + * @retval None + */ +void MemManage_Handler(void) +{ + /* Go to infinite loop when Memory Manage exception occurs */ + while (1) + { + } +} + +/** + * @brief This function handles Bus Fault exception. + * @param None + * @retval None + */ +void BusFault_Handler(void) +{ + /* Go to infinite loop when Bus Fault exception occurs */ + while (1) + { + } +} + +/** + * @brief This function handles Usage Fault exception. + * @param None + * @retval None + */ +void UsageFault_Handler(void) +{ + /* Go to infinite loop when Usage Fault exception occurs */ + while (1) + { + } +} + +/** + * @brief This function handles SVCall exception. + * @param None + * @retval None + */ +void SVC_Handler(void) +{ +} + +/** + * @brief This function handles Debug Monitor exception. + * @param None + * @retval None + */ +void DebugMon_Handler(void) +{ +} + +/** + * @brief This function handles PendSVC exception. + * @param None + * @retval None + */ +void PendSV_Handler(void) +{ +} + +/** + * @brief This function handles SysTick Handler. + * @param None + * @retval None + */ +void SysTick_Handler(void) +{ +} + +/** + * @brief This function handles EXTI Lines 9 to 5 interrupts requests. + * @param None + * @retval None + */ +void EXTI9_5_IRQHandler(void) +{ + /* Generate rising edge on Key button to detect when we push key button to initiate + transmission */ + if(EXTI_GetITStatus(KEY_BUTTON_EXTI_LINE) != RESET) + { + /* Turn on LED3 */ + STM_EVAL_LEDOn(LED3); + + /* Build the Header block to send */ + HeaderBlockValueToSend = (((MY_DEVICE_ADDRESS & 0xF) << 4) | (FOLLOWER & 0xF)); + + /* Write single Data in the TX Buffer to Transmit through the CEC peripheral */ + CEC_SendDataByte(HeaderBlockValueToSend); + + /* Initiate Message Transmission */ + CEC_StartOfMessage(); + + /* Clear Key Button EXTI line pending bit */ + EXTI_ClearITPendingBit(KEY_BUTTON_EXTI_LINE); + } +} + +/** + * @brief This function handles CEC global interrupt request. + * @param None + * @retval None + */ +void CEC_IRQHandler(void) +{ + /* Turn on LED4 */ + STM_EVAL_LEDOn(LED4); +/********************** Reception *********************************************/ + /* Check if a reception error occurred */ + if (CEC_GetFlagStatus(CEC_FLAG_RERR)) + { + /* Set receive status bit (Error) */ + RecepErrorCode = CEC->ESR; + CEC_ClearFlag(CEC_FLAG_RERR | CEC_FLAG_RSOM | CEC_FLAG_REOM | CEC_FLAG_RBTF); + } + else if (CEC_GetFlagStatus(CEC_FLAG_RBTF)) + { + /* Check if the byte received is the last one of the message */ + if (CEC_GetFlagStatus(CEC_FLAG_REOM)) + { + ReceiveBuffer[rcv_inc] = CEC_ReceiveDataByte(); + rcv_inc++; + ReceivedFrame = 1; + } + /* Check if the byte received is a Header */ + else if (CEC_GetFlagStatus(CEC_FLAG_RSOM)) + { + + InitiatorAddress = ((CEC_ReceiveDataByte() >> 4) & 0x0F); + rcv_inc = 0; + } + /* Receive each byte except header in the reception buffer */ + else + { + ReceiveBuffer[rcv_inc] = CEC_ReceiveDataByte(); + rcv_inc++; + } + /* Clear all reception flags */ + CEC_ClearFlag(CEC_FLAG_RSOM | CEC_FLAG_REOM | CEC_FLAG_RBTF); + } + +/********************** Transmission ******************************************/ + /* Check if a transmission error occurred */ + if (CEC_GetFlagStatus(CEC_FLAG_TERR)) + { + TransErrorCode = CEC->ESR; + CEC_ClearFlag(CEC_FLAG_TBTRF | CEC_FLAG_TERR); + + } + /* Check if end of message bit is set in the data to be transmitted */ + else if (CEC_GetFlagStatus(CEC_FLAG_TEOM)) + { + CEC_ClearFlag(CEC_FLAG_TBTRF | CEC_FLAG_RBTF); + CEC_EndOfMessageCmd(DISABLE); + } + /* Check if data byte has been sent */ + else if (CEC_GetFlagStatus(CEC_FLAG_TBTRF)) + { + /* Set EOM bit if the byte to be transmitted is the last one of the Transmit Buffer */ + if (send_inc == (ByteNumber - 1)) + { + CEC_SendDataByte(TransmitBuffer[send_inc]); + send_inc++; + CEC_ClearFlag(CEC_FLAG_TBTRF); + CEC_EndOfMessageCmd(ENABLE); + } + else + { + /* Put the byte in the TX Buffer */ + CEC_SendDataByte(TransmitBuffer[send_inc]); + send_inc++; + CEC_ClearFlag(CEC_FLAG_TBTRF); + } + } +} + +/******************************************************************************/ +/* STM32F10x Peripherals Interrupt Handlers */ +/* Add here the Interrupt Handler for the used peripheral(s) (PPP), for the */ +/* available peripheral interrupt handler's name please refer to the startup */ +/* file (startup_stm32f10x_xx.s). */ +/******************************************************************************/ + +/** + * @brief This function handles PPP interrupt request. + * @param None + * @retval None + */ +/*void PPP_IRQHandler(void) +{ +}*/ + +/** + * @} + */ + +/** + * @} + */ + +/******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/ |