/**
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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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* <h2><center>© Copyright (c) 2021 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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/* Includes ------------------------------------------------------------------*/
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#include "tim.h"
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/* USER CODE BEGIN 0 */
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/* USER CODE END 0 */
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TIM_HandleTypeDef htim4;
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/* TIM4 init function */
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void MX_TIM4_Init(void)
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{
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/* USER CODE BEGIN TIM4_Init 0 */
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/* USER CODE END TIM4_Init 0 */
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TIM_ClockConfigTypeDef sClockSourceConfig = {0};
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TIM_MasterConfigTypeDef sMasterConfig = {0};
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/* USER CODE BEGIN TIM4_Init 1 */
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/* USER CODE END TIM4_Init 1 */
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htim4.Instance = TIM4;
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htim4.Init.Prescaler = 72-1;
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htim4.Init.CounterMode = TIM_COUNTERMODE_UP;
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htim4.Init.Period = 1;
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htim4.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1;
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htim4.Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_DISABLE;
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if (HAL_TIM_Base_Init(&htim4) != HAL_OK)
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{
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Error_Handler();
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}
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sClockSourceConfig.ClockSource = TIM_CLOCKSOURCE_INTERNAL;
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if (HAL_TIM_ConfigClockSource(&htim4, &sClockSourceConfig) != 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(&htim4, &sMasterConfig) != HAL_OK)
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{
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Error_Handler();
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}
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/* USER CODE BEGIN TIM4_Init 2 */
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/* USER CODE END TIM4_Init 2 */
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}
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void HAL_TIM_Base_MspInit(TIM_HandleTypeDef* tim_baseHandle)
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{
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if(tim_baseHandle->Instance==TIM4)
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{
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/* USER CODE BEGIN TIM4_MspInit 0 */
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/* USER CODE END TIM4_MspInit 0 */
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/* TIM4 clock enable */
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__HAL_RCC_TIM4_CLK_ENABLE();
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/* USER CODE BEGIN TIM4_MspInit 1 */
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/* USER CODE END TIM4_MspInit 1 */
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}
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}
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void HAL_TIM_Base_MspDeInit(TIM_HandleTypeDef* tim_baseHandle)
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{
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if(tim_baseHandle->Instance==TIM4)
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{
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/* USER CODE BEGIN TIM4_MspDeInit 0 */
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/* USER CODE END TIM4_MspDeInit 0 */
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/* Peripheral clock disable */
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__HAL_RCC_TIM4_CLK_DISABLE();
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/* USER CODE BEGIN TIM4_MspDeInit 1 */
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/* USER CODE END TIM4_MspDeInit 1 */
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}
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}
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/* USER CODE BEGIN 1 */
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void delay_us(uint16_t us)
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{
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/* ä¸æä¼ææå¾®ç§å»¶æ¶å½æ°ä½è®¡æ°å¨è®¡æ°ä¸ä¼å,é²æ¢è®¡æ°å¨å¢å å°æ?大计æ°ä¹åéæ°å¼å§è®¡æ? */
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uint16_t differ = 60000-us;
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HAL_TIM_Base_Start(&htim4);
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__HAL_TIM_SET_COUNTER(&htim4, differ);
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while( differ < 60000 )
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{
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differ=__HAL_TIM_GET_COUNTER(&htim4);
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}
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HAL_TIM_Base_Stop(&htim4);
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}
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/* USER CODE END 1 */
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/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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