251 lines
6.4 KiB
C
251 lines
6.4 KiB
C
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/* USER CODE BEGIN Header */
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/**
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******************************************************************************
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* @file stm32f1xx_it.c
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* @brief Interrupt Service Routines.
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******************************************************************************
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* @attention
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*
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* <h2><center>© Copyright (c) 2019 STMicroelectronics.
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* All rights reserved.</center></h2>
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*
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* This software component is licensed by ST under BSD 3-Clause license,
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* the "License"; You may not use this file except in compliance with the
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* License. You may obtain a copy of the License at:
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* opensource.org/licenses/BSD-3-Clause
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*
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******************************************************************************
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*/
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/* USER CODE END Header */
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/* Includes ------------------------------------------------------------------*/
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#include "main.h"
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#include "stm32f1xx_it.h"
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/* Private includes ----------------------------------------------------------*/
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/* USER CODE BEGIN Includes */
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/* USER CODE END Includes */
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/* Private typedef -----------------------------------------------------------*/
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/* USER CODE BEGIN TD */
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/* USER CODE END TD */
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/* Private define ------------------------------------------------------------*/
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/* USER CODE BEGIN PD */
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/* USER CODE END PD */
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/* Private macro -------------------------------------------------------------*/
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/* USER CODE BEGIN PM */
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/* USER CODE END PM */
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/* Private variables ---------------------------------------------------------*/
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/* USER CODE BEGIN PV */
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/* USER CODE END PV */
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/* Private function prototypes -----------------------------------------------*/
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/* USER CODE BEGIN PFP */
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/* USER CODE END PFP */
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/* Private user code ---------------------------------------------------------*/
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/* USER CODE BEGIN 0 */
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/* USER CODE END 0 */
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/* External variables --------------------------------------------------------*/
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extern DMA_HandleTypeDef hdma_usart3_rx;
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extern UART_HandleTypeDef huart3;
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/* USER CODE BEGIN EV */
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/* USER CODE END EV */
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/******************************************************************************/
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/* Cortex-M3 Processor Interruption and Exception Handlers */
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/******************************************************************************/
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/**
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* @brief This function handles Non maskable interrupt.
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*/
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void NMI_Handler(void)
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{
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/* USER CODE BEGIN NonMaskableInt_IRQn 0 */
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/* USER CODE END NonMaskableInt_IRQn 0 */
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/* USER CODE BEGIN NonMaskableInt_IRQn 1 */
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/* USER CODE END NonMaskableInt_IRQn 1 */
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}
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/**
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* @brief This function handles Hard fault interrupt.
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*/
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void HardFault_Handler(void)
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{
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/* USER CODE BEGIN HardFault_IRQn 0 */
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/* USER CODE END HardFault_IRQn 0 */
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while (1)
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{
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/* USER CODE BEGIN W1_HardFault_IRQn 0 */
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/* USER CODE END W1_HardFault_IRQn 0 */
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}
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}
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/**
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* @brief This function handles Memory management fault.
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*/
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void MemManage_Handler(void)
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{
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/* USER CODE BEGIN MemoryManagement_IRQn 0 */
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/* USER CODE END MemoryManagement_IRQn 0 */
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while (1)
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{
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/* USER CODE BEGIN W1_MemoryManagement_IRQn 0 */
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/* USER CODE END W1_MemoryManagement_IRQn 0 */
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}
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}
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/**
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* @brief This function handles Prefetch fault, memory access fault.
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*/
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void BusFault_Handler(void)
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{
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/* USER CODE BEGIN BusFault_IRQn 0 */
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/* USER CODE END BusFault_IRQn 0 */
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while (1)
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{
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/* USER CODE BEGIN W1_BusFault_IRQn 0 */
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/* USER CODE END W1_BusFault_IRQn 0 */
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}
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}
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/**
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* @brief This function handles Undefined instruction or illegal state.
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*/
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void UsageFault_Handler(void)
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{
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/* USER CODE BEGIN UsageFault_IRQn 0 */
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/* USER CODE END UsageFault_IRQn 0 */
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while (1)
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{
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/* USER CODE BEGIN W1_UsageFault_IRQn 0 */
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/* USER CODE END W1_UsageFault_IRQn 0 */
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}
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}
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/**
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* @brief This function handles System service call via SWI instruction.
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*/
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void SVC_Handler(void)
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{
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/* USER CODE BEGIN SVCall_IRQn 0 */
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/* USER CODE END SVCall_IRQn 0 */
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/* USER CODE BEGIN SVCall_IRQn 1 */
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/* USER CODE END SVCall_IRQn 1 */
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}
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/**
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* @brief This function handles Debug monitor.
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*/
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void DebugMon_Handler(void)
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{
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/* USER CODE BEGIN DebugMonitor_IRQn 0 */
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/* USER CODE END DebugMonitor_IRQn 0 */
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/* USER CODE BEGIN DebugMonitor_IRQn 1 */
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/* USER CODE END DebugMonitor_IRQn 1 */
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}
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/**
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* @brief This function handles Pendable request for system service.
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*/
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void PendSV_Handler(void)
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{
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/* USER CODE BEGIN PendSV_IRQn 0 */
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/* USER CODE END PendSV_IRQn 0 */
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/* USER CODE BEGIN PendSV_IRQn 1 */
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/* USER CODE END PendSV_IRQn 1 */
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}
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/**
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* @brief This function handles System tick timer.
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*/
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void SysTick_Handler(void)
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{
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/* USER CODE BEGIN SysTick_IRQn 0 */
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/* USER CODE END SysTick_IRQn 0 */
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HAL_IncTick();
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/* USER CODE BEGIN SysTick_IRQn 1 */
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/* USER CODE END SysTick_IRQn 1 */
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}
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/******************************************************************************/
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/* STM32F1xx Peripheral Interrupt Handlers */
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/* Add here the Interrupt Handlers for the used peripherals. */
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/* For the available peripheral interrupt handler names, */
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/* please refer to the startup file (startup_stm32f1xx.s). */
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/******************************************************************************/
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/**
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* @brief This function handles DMA1 channel3 global interrupt.
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*/
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void DMA1_Channel3_IRQHandler(void)
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{
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/* USER CODE BEGIN DMA1_Channel3_IRQn 0 */
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/* USER CODE END DMA1_Channel3_IRQn 0 */
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HAL_DMA_IRQHandler(&hdma_usart3_rx);
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/* USER CODE BEGIN DMA1_Channel3_IRQn 1 */
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/* USER CODE END DMA1_Channel3_IRQn 1 */
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}
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/**
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* @brief This function handles USART3 global interrupt.
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*/
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void USART3_IRQHandler(void)
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{
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/* USER CODE BEGIN USART3_IRQn 0 */
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uint32_t temp;
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if((__HAL_UART_GET_FLAG(&huart3,UART_FLAG_IDLE) != RESET))
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{
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/*<2A><><EFBFBD>״̬<D7B4>Ĵ<EFBFBD><C4B4><EFBFBD><EFBFBD>ʹ<EFBFBD><CDB4><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݼĴ<DDBC><C4B4><EFBFBD>*/
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__HAL_UART_CLEAR_IDLEFLAG(&huart3);
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/*ʧ<><CAA7>DMA<4D><41><EFBFBD><EFBFBD>*/
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HAL_UART_DMAStop(&huart3);
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/*<2A><>ȡ<EFBFBD><C8A1><EFBFBD>ճ<EFBFBD><D5B3>ȣ<EFBFBD><C8A3>ܴ<EFBFBD>С-ʣ<><CAA3><EFBFBD>С*/
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temp = huart3.hdmarx->Instance->CNDTR;
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Rx_Len = Rx_Max - temp;
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/*<2A><><EFBFBD>ձ<EFBFBD>־λ<D6BE><CEBB>1*/
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Rx_Flag=1;
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/*ʹ<>ܽ<EFBFBD><DCBD><EFBFBD>DMA<4D><41><EFBFBD><EFBFBD>*/
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HAL_UART_Receive_DMA(&huart3,Rx_Buf,Rx_Max);
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}
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/* USER CODE END USART3_IRQn 0 */
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HAL_UART_IRQHandler(&huart3);
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/* USER CODE BEGIN USART3_IRQn 1 */
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/* USER CODE END USART3_IRQn 1 */
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}
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/* USER CODE BEGIN 1 */
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/* USER CODE END 1 */
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/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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