} ｝
LCD_Write_String(0,4,\ ..\LCD_Write_String(0,5,\ ..\ {
{
switch(key) {
case 1:
dacval1+=13; //DAC1+0.01V break; case 2: dacval1-=13; break; case 3: dacval2+=12; break; case 4: dacval2-=12; break; case 5:
dacval1+=125; break; case 6:
dacval1-=125; break; case 7:
dacval2+=125; break; case 8:
dacval2-=125; Break； case 13: break;
//DAC2-
//DAC2+
//DAC1-
//DAC1+
//DAC2-
//DAC2+
//DAC1-0.01V
key=Read_KeyValue(); //读取矩阵键盘 LCD_Write_Num(24,0,key,2); if(TIM4_flag==1) //定时器4中断标志位 {
EN_dianliu=1; //PA6 EN_dianya=0; //PA7
while(1)
if(key) //键盘读取操作
8