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stm32f3xx_it.c
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stm32f3xx_it.c
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/* USER CODE BEGIN Header */
/**
******************************************************************************
* @file stm32f3xx_it.c
* @brief Interrupt Service Routines.
******************************************************************************
* @attention
*
* <h2><center>© Copyright (c) 2020 STMicroelectronics.
* All rights reserved.</center></h2>
*
* This software component is licensed by ST under BSD 3-Clause license,
* the "License"; You may not use this file except in compliance with the
* License. You may obtain a copy of the License at:
* opensource.org/licenses/BSD-3-Clause
*
******************************************************************************
*/
/* USER CODE END Header */
/* Includes ------------------------------------------------------------------*/
#include "main.h"
#include "stm32f3xx_it.h"
/* Private includes ----------------------------------------------------------*/
/* USER CODE BEGIN Includes */
/* USER CODE END Includes */
/* Private typedef -----------------------------------------------------------*/
/* USER CODE BEGIN TD */
/* USER CODE END TD */
/* Private define ------------------------------------------------------------*/
/* USER CODE BEGIN PD */
/* USER CODE END PD */
/* Private macro -------------------------------------------------------------*/
/* USER CODE BEGIN PM */
/* USER CODE END PM */
/* Private variables ---------------------------------------------------------*/
/* USER CODE BEGIN PV */
uint8_t Range_data[4];
uint8_t data_valid=0;
uint8_t receive_data;
uint8_t package_state=0;
uint8_t data_index=0;
uint8_t my_sum=0;
uint16_t response_data[14];
uint8_t modem_valid=0;
uint8_t modem_receive;
uint8_t modem_package=0;
uint8_t modem_index=0;
/* USER CODE END PV */
/* Private function prototypes -----------------------------------------------*/
/* USER CODE BEGIN PFP */
/* USER CODE END PFP */
/* Private user code ---------------------------------------------------------*/
/* USER CODE BEGIN 0 */
/* USER CODE END 0 */
/* External variables --------------------------------------------------------*/
extern UART_HandleTypeDef huart4;
extern UART_HandleTypeDef huart5;
/* USER CODE BEGIN EV */
/* USER CODE END EV */
/******************************************************************************/
/* Cortex-M4 Processor Interruption and Exception Handlers */
/******************************************************************************/
/**
* @brief This function handles Non maskable interrupt.
*/
void NMI_Handler(void)
{
/* USER CODE BEGIN NonMaskableInt_IRQn 0 */
/* USER CODE END NonMaskableInt_IRQn 0 */
/* USER CODE BEGIN NonMaskableInt_IRQn 1 */
/* USER CODE END NonMaskableInt_IRQn 1 */
}
/**
* @brief This function handles Hard fault interrupt.
*/
void HardFault_Handler(void)
{
/* USER CODE BEGIN HardFault_IRQn 0 */
/* USER CODE END HardFault_IRQn 0 */
while (1)
{
/* USER CODE BEGIN W1_HardFault_IRQn 0 */
/* USER CODE END W1_HardFault_IRQn 0 */
}
}
/**
* @brief This function handles Memory management fault.
*/
void MemManage_Handler(void)
{
/* USER CODE BEGIN MemoryManagement_IRQn 0 */
/* USER CODE END MemoryManagement_IRQn 0 */
while (1)
{
/* USER CODE BEGIN W1_MemoryManagement_IRQn 0 */
/* USER CODE END W1_MemoryManagement_IRQn 0 */
}
}
/**
* @brief This function handles Pre-fetch fault, memory access fault.
*/
void BusFault_Handler(void)
{
/* USER CODE BEGIN BusFault_IRQn 0 */
/* USER CODE END BusFault_IRQn 0 */
while (1)
{
/* USER CODE BEGIN W1_BusFault_IRQn 0 */
/* USER CODE END W1_BusFault_IRQn 0 */
}
}
/**
* @brief This function handles Undefined instruction or illegal state.
*/
void UsageFault_Handler(void)
{
/* USER CODE BEGIN UsageFault_IRQn 0 */
/* USER CODE END UsageFault_IRQn 0 */
while (1)
{
/* USER CODE BEGIN W1_UsageFault_IRQn 0 */
/* USER CODE END W1_UsageFault_IRQn 0 */
}
}
/**
* @brief This function handles System service call via SWI instruction.
*/
void SVC_Handler(void)
{
/* USER CODE BEGIN SVCall_IRQn 0 */
/* USER CODE END SVCall_IRQn 0 */
/* USER CODE BEGIN SVCall_IRQn 1 */
/* USER CODE END SVCall_IRQn 1 */
}
/**
* @brief This function handles Debug monitor.
*/
void DebugMon_Handler(void)
{
/* USER CODE BEGIN DebugMonitor_IRQn 0 */
/* USER CODE END DebugMonitor_IRQn 0 */
/* USER CODE BEGIN DebugMonitor_IRQn 1 */
/* USER CODE END DebugMonitor_IRQn 1 */
}
/**
* @brief This function handles Pendable request for system service.
*/
void PendSV_Handler(void)
{
/* USER CODE BEGIN PendSV_IRQn 0 */
/* USER CODE END PendSV_IRQn 0 */
/* USER CODE BEGIN PendSV_IRQn 1 */
/* USER CODE END PendSV_IRQn 1 */
}
/**
* @brief This function handles System tick timer.
*/
void SysTick_Handler(void)
{
/* USER CODE BEGIN SysTick_IRQn 0 */
/* USER CODE END SysTick_IRQn 0 */
HAL_IncTick();
/* USER CODE BEGIN SysTick_IRQn 1 */
/* USER CODE END SysTick_IRQn 1 */
}
/******************************************************************************/
/* STM32F3xx Peripheral Interrupt Handlers */
/* Add here the Interrupt Handlers for the used peripherals. */
/* For the available peripheral interrupt handler names, */
/* please refer to the startup file (startup_stm32f3xx.s). */
/******************************************************************************/
/**
* @brief This function handles UART4 global interrupt / UART4 wake-up interrupt through EXTI line 34.
*/
void UART4_IRQHandler(void)
{
/* USER CODE BEGIN UART4_IRQn 0 */
/* USER CODE END UART4_IRQn 0 */
HAL_UART_IRQHandler(&huart4);
/* USER CODE BEGIN UART4_IRQn 1 */
if((UART4->ISR & USART_ISR_RXNE) && !(UART4->ISR & (USART_ISR_PE |
USART_ISR_FE |
USART_ISR_NE |
USART_ISR_ORE))){
receive_data=UART4->RDR; // Receive data (1 byte)
// HAL_UART_Transmit(&huart4,&receive_data,1,100);
if((receive_data==0xFF)&&(package_state==0)){
data_index = 0;
Range_data[data_index]=receive_data;
data_index++;
package_state=1;
data_valid=0;
}else{
Range_data[data_index]=receive_data;
if(data_index==3){
data_index=0;
my_sum=Range_data[0]+Range_data[1]+Range_data[2];
if (my_sum==Range_data[3]){
data_valid=1;
package_state=0;
}
}
data_index++;
// HAL_UART_Transmit(&huart4, &data_index, 1, 100);
}
}
UART4->RDR = 0x00;
/* USER CODE END UART4_IRQn 1 */
}
/**
* @brief This function handles UART5 global interrupt / UART5 wake-up interrupt through EXTI line 35.
*/
void UART5_IRQHandler(void)
{
/* USER CODE BEGIN UART5_IRQn 0 */
/* USER CODE END UART5_IRQn 0 */
HAL_UART_IRQHandler(&huart5);
/* USER CODE BEGIN UART5_IRQn 1 */
/* USER CODE END UART5_IRQn 1 */
}
/* USER CODE BEGIN 1 */
/* USER CODE END 1 */
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/