#include<reg51.h>
#include<rtx51tny.h>
#define uint unsigned int
#define uchar unsigned char
sbit con=P3^2; //存儲寄存器的時鐘輸入。
sbit snr=P2^2; //上升沿時移位寄存器中的數據進入存儲寄存器,
sbit sng=P2^3; //下降沿時存儲寄存器中的數據保持不變。
sbit sny=P2^4; //應用時通常將ST_CP置為低點平，
sbit ewr=P2^5; //移位結束后再在ST_CP端產生一個正脈沖更新顯示數據。
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};
//東西方向數碼管倒計時段碼表
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};
//南北方向數碼管倒計時段碼表
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 //十字路口數碼管倒計時部分
{
uchar i;
SCON=0x00; //配置串口通信為方式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++) //每兩個數碼管倒計時部分共有76個段碼，
//所以需要乘2才能到達下一個狀態。
{
SBUF=tsn[i*2]; //南北方向9-15數碼管掃描
while(!TI);
TI=0; //軟件清零部分；
SBUF=tsn[i*2+1]; //南北方向1-7數碼管掃描
while(!TI);
TI=0;
SBUF=tew[i*2];
while(!TI);
TI=0;
SBUF=tew[i*2+1];
while(!TI);
TI=0; //接收完畢信號；
con=1; //595芯片ST_CP端工作；
os_wait(K_IVL,10,0); //延時100ms;
con=0; //595芯片ST_CP端停止工作；
}
}
}
void job2() _task_ 2
{
while(1)
{
minute++; //分鐘加一
if(minute==60) //分鐘滿60；
{
minute=0; //分鐘清零；
hour++; //小時加一；
if(hour==60) //小時滿60；
{
hour=0; //小時清零；
}
}
os_wait(K_IVL,100,0); //延時1s;
}
}
void job3() _task_ 3 //按鍵檢測
{
while(1)
{
if(P1!=0xff) //有鍵被按下；
{
delay(10);
if(KEY1==0) //如果第一個鍵被按下，分鐘個位加一；
{
minute=minute%10+1;
if(minute==60) //分鐘滿60清零
{
minute=0;
}
}
else if(KEY2==0) //如果第二個鍵被按下，小時個位加一；
{
hour=hour%10+1;
if(hour==60) //小時滿60清零
{
hour=0;
}
}
while(P1!=0xff); //判斷抬起；
}
}
}
void job4() _task_ 4 //計時數碼管掃描程序
{
while(1)
{
LA=1,LB=1; //P2口前兩個管腳輸入
P0=DSY_DUAN[minute%10]; //分個
delay(500);
LA=1,LB=0;
P0=DSY_DUAN[hour%10]; //時個
delay(500);
LA=0,LB=1;
P0=DSY_DUAN[minute/10];
delay(500);
LA=0,LB=0;
P0=DSY_DUAN[hour/10];
delay(500);
}
}
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