142 lines
4.0 KiB
C
142 lines
4.0 KiB
C
/* USER CODE BEGIN Header */
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/**
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******************************************************************************
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* @file tim.c
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* @brief This file provides code for the configuration
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* of the TIM instances.
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******************************************************************************
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* @attention
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*
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* Copyright (c) 2023 STMicroelectronics.
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* All rights reserved.
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*
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* This software is licensed under terms that can be found in the LICENSE file
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* in the root directory of this software component.
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* If no LICENSE file comes with this software, it is provided AS-IS.
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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 "tim.h"
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/* USER CODE BEGIN 0 */
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#include "usart.h"
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/* USER CODE END 0 */
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TIM_HandleTypeDef htim3;
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/* TIM3 init function */
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void MX_TIM3_Init(void)
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{
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/* USER CODE BEGIN TIM3_Init 0 */
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/* USER CODE END TIM3_Init 0 */
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TIM_Encoder_InitTypeDef sConfig = {0};
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TIM_MasterConfigTypeDef sMasterConfig = {0};
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/* USER CODE BEGIN TIM3_Init 1 */
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/* USER CODE END TIM3_Init 1 */
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htim3.Instance = TIM3;
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htim3.Init.Prescaler = 0;
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htim3.Init.CounterMode = TIM_COUNTERMODE_UP;
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htim3.Init.Period = 255;
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htim3.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1;
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htim3.Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_DISABLE;
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sConfig.EncoderMode = TIM_ENCODERMODE_TI1;
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sConfig.IC1Polarity = TIM_ICPOLARITY_FALLING;
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sConfig.IC1Selection = TIM_ICSELECTION_DIRECTTI;
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sConfig.IC1Prescaler = TIM_ICPSC_DIV1;
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sConfig.IC1Filter = 0;
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sConfig.IC2Polarity = TIM_ICPOLARITY_FALLING;
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sConfig.IC2Selection = TIM_ICSELECTION_DIRECTTI;
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sConfig.IC2Prescaler = TIM_ICPSC_DIV1;
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sConfig.IC2Filter = 0;
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if (HAL_TIM_Encoder_Init(&htim3, &sConfig) != HAL_OK)
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{
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Error_Handler();
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}
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sMasterConfig.MasterOutputTrigger = TIM_TRGO_RESET;
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sMasterConfig.MasterSlaveMode = TIM_MASTERSLAVEMODE_DISABLE;
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if (HAL_TIMEx_MasterConfigSynchronization(&htim3, &sMasterConfig) != HAL_OK)
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{
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Error_Handler();
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}
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/* USER CODE BEGIN TIM3_Init 2 */
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/* USER CODE END TIM3_Init 2 */
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}
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void HAL_TIM_Encoder_MspInit(TIM_HandleTypeDef* tim_encoderHandle)
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{
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GPIO_InitTypeDef GPIO_InitStruct = {0};
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if(tim_encoderHandle->Instance==TIM3)
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{
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/* USER CODE BEGIN TIM3_MspInit 0 */
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/* USER CODE END TIM3_MspInit 0 */
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/* TIM3 clock enable */
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__HAL_RCC_TIM3_CLK_ENABLE();
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__HAL_RCC_GPIOC_CLK_ENABLE();
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/**TIM3 GPIO Configuration
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PC6 ------> TIM3_CH1
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PC7 ------> TIM3_CH2
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*/
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GPIO_InitStruct.Pin = ENCODER_A_Pin|ENCODER_B_Pin;
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GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
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GPIO_InitStruct.Pull = GPIO_PULLUP;
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GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
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GPIO_InitStruct.Alternate = GPIO_AF1_TIM3;
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HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
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/* USER CODE BEGIN TIM3_MspInit 1 */
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/* USER CODE END TIM3_MspInit 1 */
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}
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}
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void HAL_TIM_Encoder_MspDeInit(TIM_HandleTypeDef* tim_encoderHandle)
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{
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if(tim_encoderHandle->Instance==TIM3)
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{
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/* USER CODE BEGIN TIM3_MspDeInit 0 */
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/* USER CODE END TIM3_MspDeInit 0 */
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/* Peripheral clock disable */
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__HAL_RCC_TIM3_CLK_DISABLE();
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/**TIM3 GPIO Configuration
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PC6 ------> TIM3_CH1
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PC7 ------> TIM3_CH2
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*/
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HAL_GPIO_DeInit(GPIOC, ENCODER_A_Pin|ENCODER_B_Pin);
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/* USER CODE BEGIN TIM3_MspDeInit 1 */
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/* USER CODE END TIM3_MspDeInit 1 */
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}
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}
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/* USER CODE BEGIN 1 */
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/*
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void HAL_TIM_IC_CaptureCallback(TIM_HandleTypeDef *htim)
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{
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if(htim->Instance->CR1==0x01)//顺时针
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//Rotary=1;
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HAL_UART_Transmit(&huart1,"CW\r\n",10,1000);
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HAL_TIM_Encoder_Stop_IT(&htim3,TIM_CHANNEL_ALL);
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if(htim->Instance->CR1==0x11)//逆时针
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//Rotary=0;
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HAL_UART_Transmit(&huart1,"ccw\r\n",10,1000);
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HAL_TIM_Encoder_Stop_IT(&htim3,TIM_CHANNEL_ALL);
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}
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*/
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/* USER CODE END 1 */
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