#include "stm32f0xx.h"
#include "LCD_PARALLEL_12864.h"
#include "init.h"
	
#define VOLTAGE_SCALE 3	//电压分压系数，原理图的R10*R11/R10
float 	g_volltage_adjust=-0.05f;
float 	g_current_adjust=-0.045f;

unsigned int RegularConvertedAdcValue[2];
unsigned int VOL_value[16];
unsigned int CUR_value[16];

unsigned long timecount;
unsigned long keycount;

unsigned char key_flag;
unsigned char adc_collect_flag; 
unsigned char adc_calculate_ok;

unsigned int pwm_timer;
unsigned int pwm_bfb;

float g_current;
float g_volltage;
float g_power;
float g_capacity;
float mah_display;

void float_display( int x,int y ,float a )
{
	unsigned long temp;
	unsigned short  i,j,k,l,m;
	a*=1000;
	(unsigned long)temp = a;
	if( temp>10000000 )
	{
		temp/=1000;
		i=((temp/10000)%10);
		j=((temp/1000)%10);
		k=(temp%1000)/100;
		l=(temp%100)/10;
		m=(temp%10);
		Disp_Nub8X16( y,x,i,1 );
		Disp_Nub8X16( y,x+8,j,1 );			
		Disp_Nub8X16( y,x+16,k,1 );
		Disp_Nub8X16( y,x+24,l,1 );
		Disp_Nub8X16( y,x+32,m,1 );
	}
	else if( temp >=1000000 )
	{
		temp/=1000;
		i=temp/1000;
		j=((temp/100)%10);
		k=(temp%100)/10;
		l=(temp%10);
		Disp_Nub8X16( y,x+8,i,1 );			
		Disp_Nub8X16( y,x+16,j,1 );
		Disp_Nub8X16( y,x+24,k,1 );
		Disp_Nub8X16( y,x+32,l,1 );
	}
	else if( temp>=100000&&temp<1000000 )
	{
		temp/=100;
		i=temp/1000;
		j=((temp/100)%10);
		k=(temp%100)/10;
		l=(temp%10);
		Disp_Nub8X16( y,x,i,1 );
		Disp_Nub8X16( y,x+8,j,1 );			//小数点
		Disp_Nub8X16( y,x+16,k,1 );
		Disp_Nub8X16( y,x+24,10,1 );
		Disp_Nub8X16( y,x+32,l,1 );
	}
	else if( temp>=10000&&temp<100000 )
	{
		temp/=10;
		i=temp/1000;
		j=((temp/100)%10);
		k=(temp%100)/10;
		l=(temp%10);
		Disp_Nub8X16( y,x,i,1 );
		Disp_Nub8X16( y,x+8,j,1 );			
		Disp_Nub8X16( y,x+16,10,1 );
		Disp_Nub8X16( y,x+24,k,1 );
		Disp_Nub8X16( y,x+32,l,1 );
	}
	else	if( temp<10000 )
	{
		i=temp/1000;
		j=((temp/100)%10);
		k=(temp%100)/10;
		l=(temp%10);
		Disp_Nub8X16( y,x,i,1 );
		Disp_Nub8X16( y,x+8,10,1 );			//小数点
		Disp_Nub8X16( y,x+16,j,1 );
		Disp_Nub8X16( y,x+24,k,1 );
		Disp_Nub8X16( y,x+32,l,1 );
	}
	
	
}

unsigned int value_avevage( unsigned int *a )
{
	u8 i;
	unsigned long j=0;
	unsigned int k;
	for( i=0;i<16;i++ )
	{
		j+=a[i];
	}
	j/=4;
	k=j;
	return k;
}

uint16_t ADC_Get_Result(uint32_t ch)
{
    ADC_ChannelConfig(ADC1, ch, ADC_SampleTime_239_5Cycles);
    ADC1->CHSELR = ch;
    while(!ADC_GetFlagStatus(ADC1, ADC_FLAG_ADRDY)){};
    ADC_StartOfConversion(ADC1);
    while(ADC_GetFlagStatus(ADC1, ADC_FLAG_EOC) == RESET){};
    return ADC_GetConversionValue(ADC1)&0x00000fff;
}

unsigned int vol_data;
unsigned int cur_data;
unsigned short xy=150;
uint16_t lll;
int main(void)
{
	unsigned char i,j;
	
	RCC_ClocksTypeDef ClockInfo;
	for( i=0;i<50;i++ )
	deviceinit();
	
	DMA_Cmd(DMA1_Channel1, ENABLE);
	timecount=1000;//开始采集
	j=0;
  while (1)
  {
		RCC_GetClocksFreq(&ClockInfo);
		
		if( key_flag )
		{
			key_flag=0;
			for( i=0;i<100;i++ );
			if(!GPIO_ReadInputDataBit( GPIOB,GPIO_Pin_7 ))
			{
				j+=1,keycount=1;
			}
		}
		if( adc_collect_flag )
		{//adc16次采集完成
			adc_collect_flag=0;
			vol_data = value_avevage(VOL_value);
			cur_data = value_avevage(CUR_value);
			
			g_current=(float)cur_data;
			//g_current=(g_current/4095)*0.825f;
			g_volltage=(float)vol_data;
			g_volltage=(g_volltage/4095)*0.825f;
			g_volltage*=VOLTAGE_SCALE;
			g_volltage+=g_volltage_adjust;
			g_current-=48;
			g_current=(g_current/348)*0.125f;
			g_current+=g_current_adjust;
			g_power=g_volltage*g_current;
			adc_calculate_ok=1;
		}
		if(j>0&&keycount>1500)
		{
			keycount=0;
			
			if(j==1)
			{
				pwm_bfb++;
				if(pwm_bfb==5){pwm_bfb=0;}
			}
			if(j==3)
			{
				mah_display=0;
			}
			if(j==5)
			{
				g_volltage_adjust=5-g_volltage;
			}
			j=0;
		}
		if( adc_calculate_ok&&timecount>1000 )
		{
			adc_calculate_ok=0;
			timecount=1;
			g_capacity=g_power*4.5045f;
			mah_display+=g_capacity;
			g_capacity+=g_capacity;
			float_display( 48,0,g_volltage );
			float_display( 48,2,g_current );
			float_display( 48,4,g_power );
			float_display( 48,6,mah_display );
		}
  }
}




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