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Diffstat (limited to 'tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/USART/HyperTerminal_Interrupt/stm32f10x_it.c')
| -rw-r--r-- | tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/USART/HyperTerminal_Interrupt/stm32f10x_it.c | 223 |
1 files changed, 223 insertions, 0 deletions
diff --git a/tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/USART/HyperTerminal_Interrupt/stm32f10x_it.c b/tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/USART/HyperTerminal_Interrupt/stm32f10x_it.c new file mode 100644 index 0000000..9ab0f19 --- /dev/null +++ b/tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/USART/HyperTerminal_Interrupt/stm32f10x_it.c @@ -0,0 +1,223 @@ +/** + ****************************************************************************** + * @file USART/HyperTerminal_Interrupt/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 USART_HyperTerminal_Interrupt + * @{ + */ + +/* Private typedef -----------------------------------------------------------*/ +/* Private define ------------------------------------------------------------*/ +#ifdef USE_STM3210C_EVAL + #define USARTx_IRQHandler USART2_IRQHandler +#else + #define USARTx_IRQHandler USART1_IRQHandler +#endif + +#define TxBufferSize (countof(TxBuffer) - 1) +#define RxBufferSize 0x20 + +/* Private macro -------------------------------------------------------------*/ +#define countof(a) (sizeof(a) / sizeof(*(a))) + +/* Private variables ---------------------------------------------------------*/ +uint8_t TxBuffer[] = "\n\rUSART Hyperterminal Interrupts Example: USART-Hyperterminal\ + communication using Interrupt\n\r"; +uint8_t RxBuffer[RxBufferSize]; +uint8_t NbrOfDataToTransfer = TxBufferSize; +uint8_t NbrOfDataToRead = RxBufferSize; +uint8_t TxCounter = 0; +uint16_t RxCounter = 0; + +/* 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 PendSV_Handler exception. + * @param None + * @retval None + */ +void PendSV_Handler(void) +{ +} + +/** + * @brief This function handles SysTick Handler. + * @param None + * @retval None + */ +void SysTick_Handler(void) +{ +} + +/******************************************************************************/ +/* STM32F10x Peripherals Interrupt Handlers */ +/******************************************************************************/ + +/** + * @brief This function handles USARTx global interrupt request. + * @param None + * @retval None + */ +void USARTx_IRQHandler(void) +{ + if(USART_GetITStatus(EVAL_COM1, USART_IT_RXNE) != RESET) + { + /* Read one byte from the receive data register */ + RxBuffer[RxCounter++] = (USART_ReceiveData(EVAL_COM1) & 0x7F); + + if(RxCounter == NbrOfDataToRead) + { + /* Disable the EVAL_COM1 Receive interrupt */ + USART_ITConfig(EVAL_COM1, USART_IT_RXNE, DISABLE); + } + } + + if(USART_GetITStatus(EVAL_COM1, USART_IT_TXE) != RESET) + { + /* Write one byte to the transmit data register */ + USART_SendData(EVAL_COM1, TxBuffer[TxCounter++]); + + if(TxCounter == NbrOfDataToTransfer) + { + /* Disable the EVAL_COM1 Transmit interrupt */ + USART_ITConfig(EVAL_COM1, USART_IT_TXE, DISABLE); + } + } +} + +/******************************************************************************/ +/* 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****/ |