/**
  ******************************************************************************
  * @file    tim.c
  * @brief   This file provides code for the configuration
  *          of the TIM instances.
  ******************************************************************************
  * @attention
  *
  * <h2><center>&copy; Copyright (c) 2021 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
  *
  ******************************************************************************
  */

/* Includes ------------------------------------------------------------------*/
#include "tim.h"

/* USER CODE BEGIN 0 */

/* USER CODE END 0 */

TIM_HandleTypeDef htim4;

/* TIM4 init function */
void MX_TIM4_Init(void)
{

  /* USER CODE BEGIN TIM4_Init 0 */

  /* USER CODE END TIM4_Init 0 */

  TIM_ClockConfigTypeDef sClockSourceConfig = {0};
  TIM_MasterConfigTypeDef sMasterConfig = {0};

  /* USER CODE BEGIN TIM4_Init 1 */

  /* USER CODE END TIM4_Init 1 */
  htim4.Instance = TIM4;
  htim4.Init.Prescaler = 72-1;
  htim4.Init.CounterMode = TIM_COUNTERMODE_UP;
  htim4.Init.Period = 1;
  htim4.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1;
  htim4.Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_DISABLE;
  if (HAL_TIM_Base_Init(&htim4) != HAL_OK)
  {
    Error_Handler();
  }
  sClockSourceConfig.ClockSource = TIM_CLOCKSOURCE_INTERNAL;
  if (HAL_TIM_ConfigClockSource(&htim4, &sClockSourceConfig) != HAL_OK)
  {
    Error_Handler();
  }
  sMasterConfig.MasterOutputTrigger = TIM_TRGO_RESET;
  sMasterConfig.MasterSlaveMode = TIM_MASTERSLAVEMODE_DISABLE;
  if (HAL_TIMEx_MasterConfigSynchronization(&htim4, &sMasterConfig) != HAL_OK)
  {
    Error_Handler();
  }
  /* USER CODE BEGIN TIM4_Init 2 */

  /* USER CODE END TIM4_Init 2 */

}

void HAL_TIM_Base_MspInit(TIM_HandleTypeDef* tim_baseHandle)
{

  if(tim_baseHandle->Instance==TIM4)
  {
  /* USER CODE BEGIN TIM4_MspInit 0 */

  /* USER CODE END TIM4_MspInit 0 */
    /* TIM4 clock enable */
    __HAL_RCC_TIM4_CLK_ENABLE();
  /* USER CODE BEGIN TIM4_MspInit 1 */

  /* USER CODE END TIM4_MspInit 1 */
  }
}

void HAL_TIM_Base_MspDeInit(TIM_HandleTypeDef* tim_baseHandle)
{

  if(tim_baseHandle->Instance==TIM4)
  {
  /* USER CODE BEGIN TIM4_MspDeInit 0 */

  /* USER CODE END TIM4_MspDeInit 0 */
    /* Peripheral clock disable */
    __HAL_RCC_TIM4_CLK_DISABLE();
  /* USER CODE BEGIN TIM4_MspDeInit 1 */

  /* USER CODE END TIM4_MspDeInit 1 */
  }
}

/* USER CODE BEGIN 1 */

void delay_us(uint16_t us)
{
    /* 中断会打断微秒延时函数但计数器计数不会停,防止计数器增加到æœ?大计数之后重新开始计æ•? */
    uint16_t differ = 60000-us;

    HAL_TIM_Base_Start(&htim4);

    __HAL_TIM_SET_COUNTER(&htim4, differ);

    while( differ < 60000 )
    {
        differ=__HAL_TIM_GET_COUNTER(&htim4);
    }

    HAL_TIM_Base_Stop(&htim4);
}

/* USER CODE END 1 */

/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/