51单片机-独立按键控制电机
#include "reg52.h" typedef unsigned int u16; typedef unsigned char u8; sbit k1 = P3 ^ 1; sbit k2 = P3 ^ 0; sbit k3 = P3 ^ 2; sbit k4 = P3 ^ 3; sbit motor = P1 ^ 0; void delay(u16 i) { while (i--) ; } void moto_run() { motor = 1; delay(5000); // motor = 0; // delay(1000); } void moto_stop() { motor = 0; } void keypros() { if (k1 == 0) { delay(1000); if (k1 == 0) { moto_run(); } while (!k1) ; } if (k2 == 0) { delay(1000); if (k2 == 0) { moto_stop(); } while (!k2) ; } } void main() { motor = 0; while (1) { keypros(); } }