LCD 测试

[c]代码库

sbit COM = P4;
sbit SEG = P1;

void delay(long d);
void main(){
    COM = !SEG;
    while(1){
        COM = !COM;
        SEG = !SEG;
        delay(500);
    }

}

void delay(long d) {
    while(d){
       d--;
       nop_();
       nop_();
    }

}