tail_light_stm8/usr/src/main.c

/**
  ******************************************************************************
  * @file    Project/main.c 
  * @author  MCD Application Team
  * @version V2.3.0
  * @date    16-June-2017
  * @brief   Main program body
   ******************************************************************************
  * @attention
  *
  * <h2><center>&copy; COPYRIGHT 2014 STMicroelectronics</center></h2>
  *
  * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
  * You may not use this file except in compliance with the License.
  * You may obtain a copy of the License at:
  *
  *        http://www.st.com/software_license_agreement_liberty_v2
  *
  * Unless required by applicable law or agreed to in writing, software 
  * distributed under the License is distributed on an "AS IS" BASIS, 
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
  *
  ******************************************************************************
  */ 


/* Includes ------------------------------------------------------------------*/
#include "stm8s.h"
#include "hw_init.h"
#include "sc7a20.h"
#include "key.h"
#include "led.h"
#include "tasks.h"

/* Private defines -----------------------------------------------------------*/

uint32_t Global_Timing_Counter;
uint8_t PeriodCnt_5ms;
uint8_t PeriodCnt_20ms;
uint8_t PeriodCnt_100ms;
uint16_t AD_Value;
uint8_t AD_FinishFlag = 0;
    
/* Private function prototypes -----------------------------------------------*/
    
/* Private functions ---------------------------------------------------------*/

void main(void)
{
  /* Hardware Init */
  HW_Init();
  SC7A20_Init();
  
  /* Task Init */
  Global_Timing_Counter = 0U;
  PeriodCnt_5ms = 0;
  PeriodCnt_20ms = 0;
  PeriodCnt_100ms = 0;
  
  /* Infinite loop */
  while (1)
  {
    //5ms
    if(PeriodCnt_5ms >= 5)
    {
      PeriodCnt_5ms = 0;
      taskA(); //按键扫描
    }
    //10ms
    if(PeriodCnt_20ms >= 20)
    {
      PeriodCnt_20ms = 0;
      taskB(); //加速度读取
    } 
    //100ms
    if(PeriodCnt_100ms >= 100)
    {
      PeriodCnt_100ms = 0;
      taskC(); //AD采集，电量指示灯
    }
  }
  
}

INTERRUPT_HANDLER(TIM4_UPD_OVF_IRQHandler, 23)
{
  /* In order to detect unexpected events during development,
     it is recommended to set a breakpoint on the following instruction.
  */  
  if(Global_Timing_Counter == 0x9A7EC800) //30days
  {
    Global_Timing_Counter = 0U;
  }
  else
  {
    Global_Timing_Counter++;
  }
  PeriodCnt_5ms++;
  PeriodCnt_20ms++;
  PeriodCnt_100ms++;
  Tim4_Isr_CallBack();
  TIM4_ClearITPendingBit(TIM4_IT_UPDATE);
 }

INTERRUPT_HANDLER(ADC1_IRQHandler, 22)
{
  /* In order to detect unexpected events during development,
     it is recommended to set a breakpoint on the following instruction.
  */
  ADC1->CSR &= ~0x80;                               // 转换结束标志位清零  EOC
  //默认左对齐 读数据时先读高高8位 再读低8位
  AD_Value = (ADC1->DRH << 2);
  AD_Value += ADC1->DRL;
  AD_FinishFlag = 1;                                // ADC中断标志 置1
}

#ifdef USE_FULL_ASSERT

/**
  * @brief  Reports the name of the source file and the source line number
  *   where the assert_param error has occurred.
  * @param file: pointer to the source file name
  * @param line: assert_param error line source number
  * @retval : None
  */
void assert_failed(u8* file, u32 line)
{ 
  /* User can add his own implementation to report the file name and line number,
     ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */

  /* Infinite loop */
  while (1)
  {
  }
}
#endif


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