用DAC0808实现数字调压
仅供学习#include<reg52.h>#define uint unsigned int#define uchar unsigned char
sbit K1 = P3^0;
sbit K2 = P3^1;
sbit K3 = P3^2;
sbit K4 = P3^3;
sbit K5 = P3^4;
sbit K6 = P3^5;
sbit K7 = P3^6;
sbit K8 = P3^7;voidDelayMS(uint ms){
uchar i;while(ms--){for(i=0;i<120;i++);}}voidmain(){
P2 =0x00;while(1){if(K1 ==0) P2 =0;if(K2 ==0) P2 =35;if(K3 ==0) P2 =70;if(K4 ==0) P2 =105;if(K5 ==0) P2 =140;if(K6 ==0) P2 =175;if(K7 ==0) P2 =210;if(K8 ==0) P2 =255;DelayMS(2);}}
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