二氧化碳模拟量测试参考程序

void ADC()
{
int shu=0,shiwei=0,ya=0;
shiwei=GetADCResult(0);
lcd_pos(0x40); //设置显示位置为第一行的第1个字符
lcd_wdat('A');
lcd_pos(0x41);
lcd_wdat('=');
lcd_pos(0x42);
lcd_wdat(shiwei/1000+0x30);
lcd_pos(0x43);
lcd_wdat((shiwei%1000)/100+0x30);
lcd_pos(0x44);
lcd_wdat((shiwei%100)/10+0x30);
lcd_pos(0x45);
lcd_wdat((shiwei%10)+0x30);
c = ((double)shiwei*(5.50/1024))*100;
cdisplay = (int)c;
lcd_pos(0x48);
lcd_wdat('V');
lcd_pos(0x49);
lcd_wdat('=');
lcd_pos(0x4a);
lcd_wdat(cdisplay/100+0x30);
lcd_pos(0x4b);
lcd_wdat('.');
lcd_pos(0x4c);
lcd_wdat((cdisplay%100)/10+0x30);
lcd_pos(0x4e);
lcd_wdat(cdisplay%10+0x30);
lcd_pos(0x4f);
lcd_wdat('V');
delay(10);
}