SmartPDCode/control/voltmeter/TIMER/timer.c

#include "timer.h"
#include "gd32e230_timer.h"
#include "adc.h"

uint16_t voltage_s[200] = {0};
uint16_t current_s[200] = {0};

static void ConfigTimer14(unsigned short arr, unsigned short psc)
{
	 timer_parameter_struct timer_initpara;    //timer_initpara用于存放定时器的参数

  //使能RCU相关时钟
  rcu_periph_clock_enable(RCU_TIMER14);     //使能TIMER14的时钟

  timer_deinit(TIMER14);                    //设置TIMER14参数恢复默认值
  timer_struct_para_init(&timer_initpara);  //初始化timer_initpara

  //配置TIMER14
  timer_initpara.prescaler         = psc;               //设置预分频器值
  timer_initpara.counterdirection  = TIMER_COUNTER_UP;  //设置向上计数模式
  timer_initpara.period            = arr;               //设置自动重装载值
  timer_initpara.clockdivision     = TIMER_CKDIV_DIV1;  //设置时钟分割
  timer_init(TIMER14, &timer_initpara);                 //根据参数初始化定时器

  timer_interrupt_enable(TIMER14, TIMER_INT_UP);  //使能定时器的更新中断
  nvic_irq_enable(TIMER14_IRQn, 0);               //配置NVIC设置优先级
  timer_disable(TIMER14);                          //使能定时器
}

static void ConfigTimer15(unsigned short arr, unsigned short psc)
{
  timer_parameter_struct timer_initpara;    //timer_initpara用于存放定时器的参数

  //使能RCU相关时钟
  rcu_periph_clock_enable(RCU_TIMER15);     //使能TIMER15的时钟

  timer_deinit(TIMER15);                    //设置TIMER15参数恢复默认值
  timer_struct_para_init(&timer_initpara);  //初始化timer_initpara

  //配置TIMER15
  timer_initpara.prescaler         = psc;               //设置预分频器值
  timer_initpara.counterdirection  = TIMER_COUNTER_UP;  //设置向上计数模式
  timer_initpara.period            = arr;               //设置自动重装载值
  timer_initpara.clockdivision     = TIMER_CKDIV_DIV1;  //设置时钟分割
  timer_init(TIMER15, &timer_initpara);                 //根据参数初始化定时器

  timer_interrupt_enable(TIMER15, TIMER_INT_UP);  //使能定时器的更新中断
  nvic_irq_enable(TIMER15_IRQn, 3);               //配置NVIC设置优先级
  timer_enable(TIMER15);                          //使能定时器
}

void InitTimer(void)
{
	ConfigTimer14(99, 71);									//100ns
	ConfigTimer15(9999, 7199);							//1s
}

void ADC_TimerEnable(void)
{
	timer_enable(TIMER14); 
}


void ADC_TimerDisable(void)
{
	timer_disable(TIMER14);
}
extern uint8_t flash_led;
extern uint8_t read_flag;


extern uint16_t adc_original_value[4];









void TIMER14_IRQHandler(void)
{  
	static int index = 0;
  if(timer_interrupt_flag_get(TIMER14, TIMER_INT_FLAG_UP) == SET) //判断定时器更新中断是否发生
  {
    timer_interrupt_flag_clear(TIMER14, TIMER_INT_FLAG_UP);       //清除定时器更新中断标志
  }
	
	if((adc_original_value[0] - adc_original_value[1]) >= 0x10)
	{
		voltage_s[index] = adc_original_value[0] - adc_original_value[1]-5;
	}else
	{
		voltage_s[index] = 0;  
	}
	
	if((adc_original_value[2] - adc_original_value[3]) >= 0x4)
	{
		current_s[index] = adc_original_value[2] - adc_original_value[3]-3;
	}else
	{
		current_s[index] = 0;  
	}
//	if(adc_original_value[0] > adc_original_value[1])
//	{
//		if(adc_original_value[0] - adc_original_value[1] >= 10)
//			voltage_s[index] = adc_original_value[0] - adc_original_value[1] - 5;
//		else
//			voltage_s[index] = 0;
//		//voltage_s[index] = voltage_s[index] > 20 ? voltage_s[index]- 5: 0;
//	}else
//	{
//		voltage_s[index] = 0;
//	}
//	if(adc_original_value[2] > adc_original_value[3])
//	{
//		if(adc_original_value[2] - adc_original_value[3] >= 4)
//			current_s[index] = adc_original_value[2] - adc_original_value[3] -4;
//		else
//			current_s[index] = 0;
//		//current_s[index] = current_s[index] > 10 ? current_s[index]- 4: 0;
//	}else
//	{
//		current_s[index] = 0;
//	}
	index++;
//	if(adc_original_value[0]>0x20 )
//		voltage_s[index] = adc_original_value[0] -5;
//	else
//		voltage_s[index] = 0;
//	if(adc_original_value[2] > 0x10 )
//		current_s[index++] = adc_original_value[2]-4;
//	else
//		current_s[index++] = 0;
	if(index == 200)
	{
		index = 0;
		ADC_TimerDisable();		//close timer and calculate
		read_flag = 1;
	}
}

void TIMER15_IRQHandler(void)
{  
	
  if(timer_interrupt_flag_get(TIMER15, TIMER_INT_FLAG_UP) == SET) //判断定时器更新中断是否发生
  {
    timer_interrupt_flag_clear(TIMER15, TIMER_INT_FLAG_UP);       //清除定时器更新中断标志
  }
	flash_led = 1;
}