SmartPDCode/control/voltmeter/USER/main.c

#include "display.h"
#include "beep.h"
#include "adc.h"
#include "led.h"
#include "timer.h"
#include "stdint.h"
#include "SysTick.h"
#include "math.h"


enum {
		VLOTAGE =0,
		CURREENT,
};



#define CAIYANG     (680)

#define M_PI        (3.1415926)


#define VLAUE1 				(880*1000 + CAIYANG)





float read_voltage_v(uint16_t val)
{
	float value = 0.0;
	uint32_t temp = 0;

		temp = val;
		temp *= 33;
		temp *= 1000;
		temp = temp >> 12;
		temp *= VLAUE1;
		value = temp;
		value /= 10.0;
		value /= CAIYANG;
		value /= 1000.0;
//		value /= 1.414213;
	return value;
}

float read_voltage_I(uint16_t val)
{
	float value = 0.0;
	uint32_t temp = 0;
		temp = val;
		temp *= 33;
		temp *= 1000;
		temp = temp >> 12;
		temp *= 2000;
		value = temp;
		value /= 10.0;
		value /= 100.0;
		value /= 1000.0;
//		value /= 1.414213;
	return value;
}


extern uint8_t read_complete;




uint8_t flash_led = 0;


//float  data_f[500];
//float  data_c[500];
extern uint16_t data_s[500];
extern uint16_t data_i[500];
float value = 0.0;


extern uint16_t count_v ;
extern uint16_t count_i ;



static float voltage_show = 0.0;
static float current_show = 0.0;
float v_data[500] = {0};


static  float calculate_voltage(uint16_t *data)
{
	float val_v = 0.0;
	memset(v_data,0,sizeof(float)*500);

	for(int j = 0; j < 500;j++)
	{
		if(count_v >=244)
		{
			v_data[j] = read_voltage_v(data[j]);
		}else
		{
			v_data[j] = 0;
		}
		
		val_v += (v_data[j] *v_data[j]);
	}
	val_v /= 500;
	val_v = sqrt(val_v);
	val_v /= 0.707;
	val_v /= 0.9904;
	return val_v;
}

static  float calculate_current(uint16_t *data)
{
	float val_v = 0.0;
	memset(v_data,0,sizeof(float)*500);
	for(int j = 0; j < 500;j++)
	{
		if(count_i >= 244)
			v_data[j] = read_voltage_I(data[j]);
		else
			v_data[j] = 0;
		val_v += (v_data[j] *v_data[j]);
	}
	val_v /= 500;
	val_v = sqrt(val_v);
	val_v /= 0.707;
	val_v /= 0.9904;
	
	return val_v;
}



int main()
{
	InitSysTick();
	DisplayInit();
	BeepInit();
	AdcInit();
	LedInit();
	InitTimer();
	while(!dma_flag_get(DMA_CH0,DMA_FLAG_FTF));
	dma_flag_clear(DMA_CH0,DMA_FLAG_FTF);
	
	float voltage = 0.0;
	float cureent = 0.0;
	float show_val_1 =888.8;
	float show_val_2 =888.8;
	int index = 0;
	ADC_TimerEnable();;

	while(1)
	{
		
			if(read_complete == 1)
			{
				read_complete = 0;
				
				voltage_show += calculate_voltage(data_s);
				
				current_show += calculate_current(data_i);

				count_i = 0;
				count_v = 0;
				index++;
				ADC_TimerEnable();
				if(index >= 20)
				{
					index = 0;
					show_val_2 = (voltage_show /20.0);
					voltage_show = 0;
					show_val_1 = (current_show /20.0);
					current_show = 0;				
					
				}
					
			}


		 
		
		
		display_voltage(show_val_1,show_val_2);
		if(flash_led)
		{
			led_flash();
			flash_led = 0;
			
			//display_voltage(show_val_1,show_val_2);
			//show_val_2 = read_voltage();

		}
		
	}
}