DAC中这段代码有什么用，只是屏幕显示吗？为什么我删了之后按键没办法按了？

Pure · 发表于 2017-7-24 18:08:26

if(t==10||key==KEY0_PRES||key==WKUP_PRES)  //WKUP/KEY1°´ÏÂÁË,»òÕß¶¨Ê±Ê±¼äµ½ÁË
  {
adcx=DAC_GetDataOutputValue(DAC_Channel_1);//??????DAC??
LCD_ShowxNum(124,150,adcx,4,16,0);    //ÏÔÊ¾DAC¼Ä´æÆ÷Öµ
temp=(float)adcx*(3.3/4096); //µÃµ½DACµçÑ¹Öµ
adcx=temp;
LCD_ShowxNum(124,170,temp,1,16,0);    //ÏÔÊ¾µçÑ¹ÖµÕûÊý²¿·Ö
temp-=adcx;
temp*=1000;
LCD_ShowxNum(140,170,temp,3,16,0X80);  //ÏÔÊ¾µçÑ¹ÖµµÄÐ¡Êý²¿·Ö
adcx=Get_Adc_Average(ADC_Channel_1,10);  //µÃµ½ADC×ª»»Öµ
temp=(float)adcx*(3.3/4096); //µÃµ½ADCµçÑ¹Öµ
adcx=temp;
LCD_ShowxNum(124,190,temp,1,16,0);    //ÏÔÊ¾µçÑ¹ÖµÕûÊý²¿·Ö
temp-=adcx;
temp*=1000;
LCD_ShowxNum(140,190,temp,3,16,0X80);  //ÏÔÊ¾µçÑ¹ÖµµÄÐ¡Êý²¿·Ö
LED0=!LED0;
t=0;
  }