/* USER CODE BEGIN Header */ /** ****************************************************************************** * @file tim.c * @brief This file provides code for the configuration * of the TIM instances. ****************************************************************************** * @attention * * Copyright (c) 2025 STMicroelectronics. * All rights reserved. * * This software is licensed under terms that can be found in the LICENSE file * in the root directory of this software component. * If no LICENSE file comes with this software, it is provided AS-IS. * ****************************************************************************** */ /* USER CODE END Header */ /* Includes ------------------------------------------------------------------*/ #include "tim.h" /* USER CODE BEGIN 0 */ #include "modbus.h" /* USER CODE END 0 */ TIM_HandleTypeDef htim1; TIM_HandleTypeDef htim3; /* TIM1 init function */ void MX_TIM1_Init(void) { /* USER CODE BEGIN TIM1_Init 0 */ /* USER CODE END TIM1_Init 0 */ TIM_ClockConfigTypeDef sClockSourceConfig = {0}; TIM_MasterConfigTypeDef sMasterConfig = {0}; /* USER CODE BEGIN TIM1_Init 1 */ /* USER CODE END TIM1_Init 1 */ htim1.Instance = TIM1; htim1.Init.Prescaler = 71; htim1.Init.CounterMode = TIM_COUNTERMODE_UP; htim1.Init.Period = 999; htim1.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1; htim1.Init.RepetitionCounter = 0; htim1.Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_DISABLE; if (HAL_TIM_Base_Init(&htim1) != HAL_OK) { Error_Handler(); } sClockSourceConfig.ClockSource = TIM_CLOCKSOURCE_INTERNAL; if (HAL_TIM_ConfigClockSource(&htim1, &sClockSourceConfig) != HAL_OK) { Error_Handler(); } sMasterConfig.MasterOutputTrigger = TIM_TRGO_RESET; sMasterConfig.MasterSlaveMode = TIM_MASTERSLAVEMODE_DISABLE; if (HAL_TIMEx_MasterConfigSynchronization(&htim1, &sMasterConfig) != HAL_OK) { Error_Handler(); } /* USER CODE BEGIN TIM1_Init 2 */ /* USER CODE END TIM1_Init 2 */ } /* TIM3 init function */ void MX_TIM3_Init(void) { /* USER CODE BEGIN TIM3_Init 0 */ /* USER CODE END TIM3_Init 0 */ TIM_ClockConfigTypeDef sClockSourceConfig = {0}; TIM_MasterConfigTypeDef sMasterConfig = {0}; /* USER CODE BEGIN TIM3_Init 1 */ /* USER CODE END TIM3_Init 1 */ htim3.Instance = TIM3; htim3.Init.Prescaler = 71; htim3.Init.CounterMode = TIM_COUNTERMODE_UP; htim3.Init.Period = 999; htim3.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1; htim3.Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_DISABLE; if (HAL_TIM_Base_Init(&htim3) != HAL_OK) { Error_Handler(); } sClockSourceConfig.ClockSource = TIM_CLOCKSOURCE_INTERNAL; if (HAL_TIM_ConfigClockSource(&htim3, &sClockSourceConfig) != HAL_OK) { Error_Handler(); } sMasterConfig.MasterOutputTrigger = TIM_TRGO_RESET; sMasterConfig.MasterSlaveMode = TIM_MASTERSLAVEMODE_DISABLE; if (HAL_TIMEx_MasterConfigSynchronization(&htim3, &sMasterConfig) != HAL_OK) { Error_Handler(); } /* USER CODE BEGIN TIM3_Init 2 */ /* USER CODE END TIM3_Init 2 */ } void HAL_TIM_Base_MspInit(TIM_HandleTypeDef* tim_baseHandle) { if(tim_baseHandle->Instance==TIM1) { /* USER CODE BEGIN TIM1_MspInit 0 */ /* USER CODE END TIM1_MspInit 0 */ /* TIM1 clock enable */ __HAL_RCC_TIM1_CLK_ENABLE(); /* TIM1 interrupt Init */ HAL_NVIC_SetPriority(TIM1_UP_IRQn, 0, 0); HAL_NVIC_EnableIRQ(TIM1_UP_IRQn); /* USER CODE BEGIN TIM1_MspInit 1 */ /* USER CODE END TIM1_MspInit 1 */ } else if(tim_baseHandle->Instance==TIM3) { /* USER CODE BEGIN TIM3_MspInit 0 */ /* USER CODE END TIM3_MspInit 0 */ /* TIM3 clock enable */ __HAL_RCC_TIM3_CLK_ENABLE(); /* TIM3 interrupt Init */ HAL_NVIC_SetPriority(TIM3_IRQn, 0, 0); HAL_NVIC_EnableIRQ(TIM3_IRQn); /* USER CODE BEGIN TIM3_MspInit 1 */ /* USER CODE END TIM3_MspInit 1 */ } } void HAL_TIM_Base_MspDeInit(TIM_HandleTypeDef* tim_baseHandle) { if(tim_baseHandle->Instance==TIM1) { /* USER CODE BEGIN TIM1_MspDeInit 0 */ /* USER CODE END TIM1_MspDeInit 0 */ /* Peripheral clock disable */ __HAL_RCC_TIM1_CLK_DISABLE(); /* TIM1 interrupt Deinit */ HAL_NVIC_DisableIRQ(TIM1_UP_IRQn); /* USER CODE BEGIN TIM1_MspDeInit 1 */ /* USER CODE END TIM1_MspDeInit 1 */ } else if(tim_baseHandle->Instance==TIM3) { /* USER CODE BEGIN TIM3_MspDeInit 0 */ /* USER CODE END TIM3_MspDeInit 0 */ /* Peripheral clock disable */ __HAL_RCC_TIM3_CLK_DISABLE(); /* TIM3 interrupt Deinit */ HAL_NVIC_DisableIRQ(TIM3_IRQn); /* USER CODE BEGIN TIM3_MspDeInit 1 */ /* USER CODE END TIM3_MspDeInit 1 */ } } /* USER CODE BEGIN 1 */ int it_1000ms_flag = 0; int it_1000ms_cnt = 0; //重写TIM中断调用函数 void HAL_TIM_PeriodElapsedCallback(TIM_HandleTypeDef *htim) { if(htim == &htim1) { it_1000ms_cnt++; if(it_1000ms_cnt > 999) { it_1000ms_flag = 1; it_1000ms_cnt = 0; } } if(htim == &MODBUS_HTIM) { __HAL_TIM_CLEAR_FLAG(&MODBUS_HTIM, TIM_FLAG_UPDATE);//产生中断证明超过1ms没有接收到数据了,一帧接收完成 HAL_TIM_Base_Stop_IT(&MODBUS_HTIM); //中断之后停止定时器,开启在下一次接收到数据开始 MODBUS_UART.rx_size = MODBUS_UART.rx_buf_cnt; //将接收到数据数量赋值 MODBUS_UART.rx_buf_cnt = 0; //清零 modbus_process_rtu(); if(!HAL_GPIO_ReadPin(ASSIGNADDR_GPIO_Port,ASSIGNADDR_Pin)) set_addr_cb(); } } /* USER CODE END 1 */