分享个单机片交通灯程序

#include "reg51.h"
#define UINT unsigned int
#define ULONG unsigned long
#define UCHAR unsigned char
/*
信号灯变量
南北方向绿灯
sbit n_bike_g = P1^0; //自行车
sbit n_right_g = P1^1; //右转
sbit n_up_g = P1^2; //直行
sbit n_left_g = P1^3; //左转 调头
南北方向红灯
sbit n_bike_r = P1^4; //自行车
sbit n_right_r = P1^5; //右转
sbit n_up_r = P1^6; //直行
sbit n_left_r = P1^7; //左转 调头
南北方向黄灯
sbit n_bike_y = P3^0; //自行车
sbit n_right_y = P3^1; //右转
sbit n_up_y = P3^2; //直行
sbit n_left_y = P3^3; //左转 调头

东西方向绿灯
sbit e_bike_g = P2^0; //自行车
sbit e_right_g = P2^1; //右转
sbit e_up_g = P2^2; //直行
东西方向红灯
sbit e_bike_r = P2^4; //自行车
sbit e_right_r = P2^5; //右转
sbit e_up_r = P2^6; //直行
东西方向黄灯
sbit e_bike_y = P3^4; //自行车
sbit e_right_y = P3^5; //右转
sbit e_up_y = P3^6; //直行
*/
//延时
void delay(UINT t, UINT s)
{
while (t)
{
UINT i;
for (i = 0; i < s; i++)
{
}
t --;
}
}
//信号灯状态
void time_x(UCHAR P_P1, UCHAR P_P2, UCHAR P_P3)
{
P1 = P_P1;
P2 = P_P2;
P3 = P_P3;
delay(150, 65535);
}
void time_s(UCHAR P_P1, UCHAR P_P2, UCHAR P_P3, UCHAR P_P11, UCHAR P_P22)
{
UINT i;
for (i = 0; i < 3; i ++)
{
P1 = P_P1;
P2 = P_P2;
delay(5, 65535);
P1 = P_P11;
P2 = P_P22;
delay(5, 65535);
}
P1 = P_P1;
P2 = P_P2;
P3 = P_P3;
delay(10, 65535);
}
//主程序
void main()
{
P1 = P2 = P3 = 0x0;
while (1)
{
time_x(0xA5, 0x70, 0x0);
time_s(0xA4, 0x70, 0x1, 0xA5, 0x70);
time_x(0x96, 0x52, 0x0);
time_s(0x92, 0x52, 0x4, 0x96, 0x52);
time_x(0x5A, 0x52, 0x0);
time_s(0x50, 0x50, 0x2A, 0x5A, 0x52);
time_x(0xF0, 0x25, 0x0);
time_s(0xF0, 0x24, 0x20, 0xF0, 0x25);
time_x(0xD2, 0x16, 0x0);
time_s(0xD0, 0x10, 0x62, 0xD2, 0x16);
}
}

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