/**
******************************************************************************
* File Name : TIM.c
* Description : This file provides code for the configuration
* of the TIM instances.
******************************************************************************
* @attention
*
*
© Copyright (c) 2021 STMicroelectronics.
* All rights reserved.
*
* This software component is licensed by ST under Ultimate Liberty license
* SLA0044, the "License"; You may not use this file except in compliance with
* the License. You may obtain a copy of the License at:
* www.st.com/SLA0044
*
******************************************************************************
*/
/* Includes ------------------------------------------------------------------*/
#include "tim.h"
#include "board_common.h"
/* USER CODE BEGIN 0 */
/* USER CODE END 0 */
TIM_HandleTypeDef htim2;
/* TIM2 init function */
void Board_TIM2Init(void)
{
TIM_ClockConfigTypeDef sClockSourceConfig = {0};
TIM_MasterConfigTypeDef sMasterConfig = {0};
htim2.Instance = TIM2;
htim2.Init.Prescaler = 72 -1; /* 72MHz */
htim2.Init.CounterMode = TIM_COUNTERMODE_UP;
htim2.Init.Period = 1000 -1;
htim2.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1;
htim2.Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_ENABLE;
if (HAL_TIM_Base_Init(&htim2) != HAL_OK)
{
Error_Handler();
}
sClockSourceConfig.ClockSource = TIM_CLOCKSOURCE_INTERNAL;
if (HAL_TIM_ConfigClockSource(&htim2, &sClockSourceConfig) != HAL_OK)
{
Error_Handler();
}
sMasterConfig.MasterOutputTrigger = TIM_TRGO_RESET;
sMasterConfig.MasterSlaveMode = TIM_MASTERSLAVEMODE_DISABLE;
if (HAL_TIMEx_MasterConfigSynchronization(&htim2, &sMasterConfig) != HAL_OK)
{
Error_Handler();
}
while (HAL_TIM_Base_Start_IT(&htim2) != HAL_OK);
//while (HAL_TIM_Base_Start(&htim2) != HAL_OK);
}
void HAL_TIM_Base_MspInit(TIM_HandleTypeDef* tim_baseHandle)
{
if(tim_baseHandle->Instance==TIM2)
{
/* USER CODE BEGIN TIM2_MspInit 0 */
/* USER CODE END TIM2_MspInit 0 */
/* TIM2 clock enable */
__HAL_RCC_TIM2_CLK_ENABLE();
/* TIM2 interrupt Init */
HAL_NVIC_SetPriority(TIM2_IRQn, 0, 0);
HAL_NVIC_EnableIRQ(TIM2_IRQn);
}
}
void HAL_TIM_Base_MspDeInit(TIM_HandleTypeDef* tim_baseHandle)
{
if(tim_baseHandle->Instance==TIM2)
{
/* USER CODE BEGIN TIM2_MspDeInit 0 */
/* USER CODE END TIM2_MspDeInit 0 */
/* Peripheral clock disable */
__HAL_RCC_TIM2_CLK_DISABLE();
/* TIM2 interrupt Deinit */
HAL_NVIC_DisableIRQ(TIM2_IRQn);
}
}
#define HEARTBEAT_PERIOD 1000//1260
static void SystemRunLed(void)
{
static uint8_t u8Phase = 0;
static uint32_t u32Timeout = 0;
static bool bOneTimeFlag = false;
if (!bOneTimeFlag)
{
u32Timeout = jiffies+60;
bOneTimeFlag = true;
Board_TurnLed(LED_RUN, TURN_ON);
}
switch (u8Phase)
{
case 0:
if (Timeout_Happened(u32Timeout)) /* turn on 70ms */
{
Board_TurnLed(LED_RUN, TURN_OFF);
u32Timeout = jiffies+(HEARTBEAT_PERIOD/4-60);
u8Phase++;
}
break;
case 1:
if (Timeout_Happened(u32Timeout)) /* turn off (HEARTBEAT_PERIOD/4-70)ms */
{
Board_TurnLed(LED_RUN, TURN_ON);
u32Timeout = jiffies+60;
u8Phase++;
}
break;
case 2:
if (Timeout_Happened(u32Timeout)) /* turn on 70ms */
{
Board_TurnLed(LED_RUN, TURN_OFF);
u32Timeout = jiffies+(HEARTBEAT_PERIOD-HEARTBEAT_PERIOD/4-70);
u8Phase++;
}
break;
case 3:
if (Timeout_Happened(u32Timeout)) /* turn off (HEARTBEAT_PERIOD-HEARTBEAT_PERIOD/4-70)ms */
{
Board_TurnLed(LED_RUN, TURN_ON);
u32Timeout = jiffies+60;
u8Phase = 0;
}
break;
default:
break;
}
}
volatile uint32_t jiffies = 0;
void msTimingDelay_Decrement(void)
{
jiffies++; /* 1ms tick */
}
/* TIM2¶¨Ê±Öжϴ¦Àí */
void HAL_TIM_PeriodElapsedCallback(TIM_HandleTypeDef *htim)
{
if (htim->Instance == TIM1)
{
HAL_IncTick();
}
if (htim->Instance == TIM2)
{
msTimingDelay_Decrement();
ADC_Sample();
SystemRunLed();
}
}
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/