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主要程序模块

#include "stm32f10x.h"

#include "usart.h"

#include "sys.h"

#include "delay.h"

#include "adc.h"

#include "dac.h"

#include "key.h"

#include "OLED_IIC.h"

#include "iic.h"

#include "led.h"

#include "dma.h"

#define TIMES 64

#define CHANNEL 4

#define boost_on    led0=0;

#define boost_off   led0=1;

#define buck_on     led1=0;

#define buck_off    led1=1;

#define mode_current led2=1;

#define mode_voltage led2=0;

extern u32 ADC_VALUE[CHANNEL][TIMES];

u32 ADC_MEAN[CHANNEL];

u32 ADC_MEAN0[CHANNEL]={0};

u16 voltage=1650;

u16 voltage0=1600;

u16 vol_mode2=0;

u16 vol_mode20=10;

u16 cur_mode2=0;

u16 cur_mode20=10;

u16 vol_mode4=0;

u16 vol_mode40=10;

u16 cur_mode4=0;

u16 cur_mode40=10;

u8 MODE=1;

u8 MODE0=1;

void adc_mean( void );

void dis_play( void );

int main(void)

{

       delay_init();

       dac_init();

       key_init();

       led_init();

       adc_init();

       IIC_init();

       OLED_Init();     

       dac_set_ch1(voltage&0x0fff);

       OLED_Fill(0x00);

       delay_ms(100);

       led0=1;

       led1=1;

       led2=1;

       OLED_write_string1(0,0,"init_success");

       OLED_write_string1(0,1,"dac_mode2:");

       OLED_write_string1(0,3,"vol_mode2:");

       OLED_write_string1(0,4,"cur_mode2:");

       OLED_write_string1(0,6,"vol_mode4:");

       OLED_write_string1(0,7,"cur_mode4:");

       while(1)

       {

              dac_set_ch1(voltage);

              adc_mean();

              vol_mode2=(ADC_MEAN[0]*3300/4096);

              cur_mode2=(ADC_MEAN[1]*3300 *2/4096);

              vol_mode4=(ADC_MEAN[2]*3300/4096);

              cur_mode4=(ADC_MEAN[3]*3300/4096);

              dis_play();

              switch(MODE)

              {

                     case 1: OLED_write_string1(88,0,"mode1");break;

                     case 2: OLED_write_string1(88,0,"mode2");break;

                     case 3: OLED_write_string1(88,0,"mode3");break;

                     case 4: OLED_write_string1(88,0,"mode4");break;

              }

              switch(key_adc())

              {

                     case 0: break;

                     case 1: voltage++;break;

                     case 2: voltage+=20;break;

                     case 3: voltage--;break;

                     case 4: voltage=3475;break;

                     case 5: MODE=1; boost_off; delay_ms(5); buck_off; mode_current; break;

                     case 6: MODE=2;      boost_off; delay_ms(5); buck_on;  mode_current; delay_ms(1000); delay_ms(1000);  delay_ms(1000); break;

                     case 7: MODE=3; buck_off;  delay_ms(5); boost_on; mode_current; break;

                     case 8: MODE=4; boost_off; delay_ms(5); buck_off; mode_voltage; break;

              }

              if(MODE==2)

              {

                     if(vol_mode2>2181)

                     {

                            buck_off;

                            OLED_Fill(0x00);

                            OLED_write_string2(0,0,"Charge Over!");

                            while(1);

                     }

              }

              if(MODE==4)

              {

                     if(vol_mode4>2773)

                     {

                            boost_off;

                            delay_ms(5);

                            buck_on;

                     }

                     else if(vol_mode4<2350)

                     {

                            buck_off;

                            delay_ms(5);

                            boost_on;

                     }

              }

       }

}

void adc_mean( void )

{

       u32 sum=0;

       u8 i,j;

       for(i=0;i<CHANNEL;i++)

       {

              sum=0;

              for(j=0;j<TIMES;j++)

              {

                     sum+=ADC_VALUE[i][j];

                     ADC_VALUE[i][j]=adc_get_voltage1(i);

              }

              ADC_MEAN[i]=sum/TIMES;

       }

}

void dis_play( void )

{

       u16 temp;

       if((voltage<voltage0-1)||(voltage>voltage0+1))

       {

              voltage0=voltage;

              temp=(u16)(voltage*3.3*1000/4096);

              OLED_SetPos(88,1);

              OLED_write_char((temp%10000)/1000+48);

              OLED_write_char('.');

              OLED_write_char((temp%1000)/100+48);

              OLED_write_char((temp%100)/10+48);

              OLED_write_char((temp%10)/1+48);

              OLED_write_char('V');

       }

       if((vol_mode2<vol_mode20-5)||(vol_mode2>vol_mode20+5))

       {

              vol_mode20=vol_mode2;

              OLED_SetPos(88,3);

              OLED_write_char((vol_mode2%10000)/1000+48);

              OLED_write_char('.');

              OLED_write_char((vol_mode2%1000)/100+48);

              OLED_write_char((vol_mode2%100)/10+48);

              OLED_write_char((vol_mode2%10)/1+48);

              OLED_write_char('V');

       }

       if((cur_mode2<cur_mode20-5)||(cur_mode2>cur_mode20+5))

       {

              cur_mode20=cur_mode2;

              OLED_SetPos(88,4);

              OLED_write_char((cur_mode2%10000)/1000+48);

              OLED_write_char('.');

              OLED_write_char((cur_mode2%1000)/100+48);

              OLED_write_char((cur_mode2%100)/10+48);

              OLED_write_char((cur_mode2%10)/1+48);

              OLED_write_char('A');

       }

       if((vol_mode4<vol_mode40-5)||(vol_mode4>vol_mode40+5))

       {

              vol_mode40=vol_mode4;

              OLED_SetPos(88,6);

              OLED_write_char((vol_mode4%10000)/1000+48);

              OLED_write_char('.');

              OLED_write_char((vol_mode4%1000)/100+48);

              OLED_write_char((vol_mode4%100)/10+48);

              OLED_write_char((vol_mode4%10)/1+48);

              OLED_write_char('V');

       }

       if((cur_mode4<cur_mode40-5)||(cur_mode4>cur_mode40+5))

       {

              cur_mode40=cur_mode4;

              OLED_SetPos(88,7);

              OLED_write_char((cur_mode4%10000)/1000+48);

              OLED_write_char('.');

              OLED_write_char((cur_mode4%1000)/100+48);

              OLED_write_char((cur_mode4%100)/10+48);

              OLED_write_char((cur_mode4%10)/1+48);

              OLED_write_char('V');

       }

}