#include<reg51.h>
#include<rtx51tny.h>
#define uint unsigned int
#define uchar unsigned char
sbit con=P3^2; //存储寄存器的时钟输入。
sbit snr=P2^2; //上升沿时移位寄存器中的数据进入存储寄存器,
sbit sng=P2^3; //下降沿时存储寄存器中的数据保持不变。
sbit sny=P2^4; //应用时通常将ST_CP置为低点平，
sbit ewr=P2^5; //移位结束后再在ST_CP端产生一个正脉冲更新显示数据。
sbit ewg=P2^6;
sbit ewy=P2^7;
sbit KEY1 = P1^0;
sbit KEY2 = P1^1;
sbit LA=P2^0;
sbit LB=P2^1;
uchar minute=0;
uchar hour=0;
uchar code DSY_DUAN[]={0x3f,0x06,0x5b,0x4f,0x66,
0x6d,0x7d,0x07,0x7f,0x6f};
unsigned char code tew[]={0x06,0x7f,0x06,0x07,0x06,0x7d,0x06, 0x6d,
0x06,0x66,0x06,0x4f,0x06,0x5b,0x06,0x06,
0x06,0x3f,0x3f,0x6f,0x3f,0x7f,0x3f,0x07,
0x3f,0x7d,0x3f,0x6d,0x3f,0x66,0x3f,0x4f,
0x3f,0x5b,0x3f,0x06,0x3f,0x3f,0x06,0x66,
0x06,0x4f,0x06,0x5b,0x06,0x06,0x06,0x3f,
0x3f,0x6f,0x3f,0x7f,0x3f,0x07,0x3f,0x7d,
0x3f,0x6d,0x3f,0x66,0x3f,0x4f,0x3f,0x5b,
0x3f,0x06,0x3f,0x3f,0x3f,0x4f,0x3f,0x5b,
0x3f,0x06,0x3f,0x3f};
//东西方向数码管倒计时段码表
unsigned char code tsn[]={0x06,0x66,0x06,0x4f,0x06,0x5b,0x06,0x06,
0x06,0x3f,0x3f,0x6f,0x3f,0x7f,0x3f,0x07,
0x3f,0x7d,0x3f,0x6d,0x3f,0x66,0x3f,0x4f,
0x3f,0x5b,0x3f,0x06,0x3f,0x3f,0x3f,0x4f,
0x3f,0x5b,0x3f,0x06,0x3f,0x3f,0x06,0x7f,
0x06,0x07,0x06,0x7d,0x06,0x6d,0x06,0x66,
0x06,0x4f,0x06,0x5b,0x06,0x06,0x06,0x3f,
0x3f,0x6f,0x3f,0x7f,0x3f,0x07,0x3f,0x7d,
0x3f,0x6d,0x3f,0x66,0x3f,0x4f,0x3f,0x5b,
0x3f,0x06,0x3f,0x3f};
//南北方向数码管倒计时段码表
void delay(uint t)
{
uchar i;
while(t--);
for(i=0;i>250;i++);
}
void job0() _task_ 0
{
os_create_task(1);
os_create_task(2);
os_create_task(3);
os_create_task(4);
os_create_task(5);
os_delete_task(0);
}
void job1() _task_ 1 //十字路口数码管倒计时部分
{
uchar i;
SCON=0x00; //配置串口通信为方式0,八位同步移位寄存器
con=0; //con先拉低，后拉高
while(1)
{
for(i=0;i<38;i++) //每两个数码管倒计时部分共有76个段码，
//所以需要乘2才能到达下一个状态。
{
SBUF=tsn[i*2]; //南北方向9-15数码管扫描
while(!TI);
TI=0; //软件清零部分；
SBUF=tsn[i*2+1]; //南北方向1-7数码管扫描
while(!TI);
TI=0;
SBUF=tew[i*2];
while(!TI);
TI=0;
SBUF=tew[i*2+1];
while(!TI);
TI=0; //接收完毕信号；
con=1; //595芯片ST_CP端工作；
os_wait(K_IVL,10,0); //延时100ms;
con=0; //595芯片ST_CP端停止工作；
}
}
}
void job2() _task_ 2
{
while(1)
{
minute++; //分钟加一
if(minute==60) //分钟满60；
{
minute=0; //分钟清零；
hour++; //小时加一；
if(hour==60) //小时满60；
{
hour=0; //小时清零；
}
}
os_wait(K_IVL,100,0); //延时1s;
}
}
void job3() _task_ 3 //按键检测
{
while(1)
{
if(P1!=0xff) //有键被按下；
{
delay(10);
if(KEY1==0) //如果第一个键被按下，分钟个位加一；
{
minute=minute%10+1;
if(minute==60) //分钟满60清零
{
minute=0;
}
}
else if(KEY2==0) //如果第二个键被按下，小时个位加一；
{
hour=hour%10+1;
if(hour==60) //小时满60清零
{
hour=0;
}
}
while(P1!=0xff); //判断抬起；
}
}
}
void job4() _task_ 4 //计时数码管扫描程序
{
while(1)
{
LA=1,LB=1; //P2口前两个管脚输入
P0=DSY_DUAN[minute%10]; //分个
delay(500);
LA=1,LB=0;
P0=DSY_DUAN[hour%10]; //时个
delay(500);
LA=0,LB=1;
P0=DSY_DUAN[minute/10];
delay(500);
LA=0,LB=0;
P0=DSY_DUAN[hour/10];
delay(500);
}
}
void job5() _task_ 5 //南北方向交通灯
{
while(1)
{
snr=0;sng=1;sny=1; //南北红，东西绿
ewr=1;ewg=0;ewy=1;
os_wait(K_IVL,150,0);
snr=0;sng=1;sny=1; //南北红，东西黄
ewr=1;ewg=1;ewy=0;
os_wait(K_IVL,10,0);
snr=0;sng=1;sny=1; //南北红，东西黄
ewr=1;ewg=1;ewy=1;
os_wait(K_IVL,10,0);
snr=0;sng=1;sny=1; //南北红，东西黄
ewr=1;ewg=1;ewy=0;
os_wait(K_IVL,10,0);
snr=0;sng=1;sny=1; //南北红，东西黄
ewr=1;ewg=1;ewy=1;
os_wait(K_IVL,10,0);
snr=1;sng=0;sny=1; //南北绿，东西红
ewr=0;ewg=1;ewy=1;
os_wait(K_IVL,150,0);
snr=1;sng=1;sny=0; //南北黄，东西红
ewr=0;ewg=1;ewy=1;
os_wait(K_IVL,10,0);
snr=1;sng=1;sny=1; //南北黄，东西红
ewr=0;ewg=1;ewy=1;
os_wait(K_IVL,10,0);
snr=1;sng=1;sny=0; //南北黄，东西红
ewr=0;ewg=1;ewy=1;
os_wait(K_IVL,10,0);
snr=1;sng=1;sny=1; //南北黄，东西红
ewr=0;ewg=1;ewy=1;
os_wait(K_IVL,10,0);
}
os_wait(K_IVL,100,0);
}
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