交通燈設計

ID:255438 · 發表于 2017-11-29 22:03

#include<reg51.h>
//--定義使用的IO口--//
#define GPIO_DIG P0
#define GPIO_PLACE P1
#define GPIO_TRAFFIC P2
sbit RED10 = P2^0; //左紅燈
sbit GREEN10 = P2^1; //左綠燈
sbit RED11 = P2^2; //南北紅
sbit YELLOW11= P2^3; //南北黃
sbit GREEN11 = P2^4; //南北綠
sbit RED00 = P3^0; //下人行道紅燈
sbit GREEN00 = P3^1; //下人行道綠燈
sbit RED01 = P2^5; //東西紅
sbit YELLOW01= P2^6; //東西黃
sbit GREEN01 = P2^7; //東西綠
//--定義全局變量--//
unsigned char code DIG_PLACE[8] = {
0xfe,0xfd,0xfb,0xf7,0xef,0xdf,0xbf,0x7f};//位選控制查表的方法控制
unsigned char code DIG_CODE[17] = {
0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,
0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71};
//0、1、2、3、4、5、6、7、8、9、A、b、C、d、E、F的顯示碼
unsigned char DisplayData[8];
//用來存放要顯示的8位數的值
unsigned char Time, Second; //用來存放定時時間
/*void main()
{
P2=0x00;
RED00=0;
GREEN00=0;
GPIO_DIG=0xff;
GPIO_PLACE=0x00;
while(1);
} */
//--聲明全局函數--//
void DigDisplay(); //動態顯示函數
void Timer0Cofig(void);
void main(void)
{
Second = 1;
Timer0Cofig(); //定時器初始化
while(1)
{
if(Second == 70) //總時間歸零
{
Second = 1;
}
//--南北通行，30秒--//
if(Second < 31)
{
DisplayData[0] = DIG_CODE[(35 - Second) % 100 / 10]; //東西紅燈35S
DisplayData[1] = DIG_CODE[(35 - Second) %10];
DisplayData[2] = DIG_CODE[(30 - Second) % 100 / 10];//南北綠燈35S
DisplayData[3] = DIG_CODE[(30 - Second) %10];
DisplayData[4] = DIG_CODE[(35 - Second) % 100 / 10];//下紅燈35S
DisplayData[5] = DIG_CODE[(35 - Second) %10];
DisplayData[6] = DIG_CODE[(30 - Second) % 100 / 10];//左綠燈35S
DisplayData[7] = DIG_CODE[(30 - Second) %10];
DigDisplay();
RED11 = 1; //南北紅燈滅
YELLOW11 = 1; //南北黃燈滅
GREEN11 = 0; //南北綠燈亮
RED01 = 0; //東西紅燈亮
YELLOW01 = 1; //東西黃燈滅
GREEN01 = 1; //東西綠燈滅
RED10=1; //左人行道紅燈滅
GREEN10 = 0; //左人行道綠燈亮
RED00 = 0; //下人行道紅燈亮
GREEN00 = 1; //下人行道綠燈滅
}
//--南北黃燈等待切換狀態，5秒--//
else if(Second < 36)
{
DisplayData[0] = DIG_CODE[(35 - Second) % 100 / 10]; //東西紅燈35S
DisplayData[1] = DIG_CODE[(35 - Second) %10];
DisplayData[2] = DIG_CODE[(35 - Second) % 100 / 10];//南北黃燈5S
DisplayData[3] = DIG_CODE[(35 - Second) %10];
DisplayData[4] = DIG_CODE[(35 - Second) % 100 / 10];//下紅燈5S
DisplayData[5] = DIG_CODE[(35 - Second) %10];
DisplayData[6] = DIG_CODE[(70 - Second) % 100 / 10];//左紅燈5S
DisplayData[7] = DIG_CODE[(70 - Second) %10];
DigDisplay();
RED11 = 1; //南北紅燈滅
YELLOW11 = 0; //南北黃燈亮
GREEN11 = 1; //南北綠燈滅
RED01 = 0; //東西紅燈亮
YELLOW01 = 1; //東西黃燈滅
GREEN01 = 1; //東西綠燈滅
RED10 = 0; //左人行道紅燈亮
GREEN10 = 1; //左人行道綠燈滅
RED00 = 0; //下人行道紅燈亮
GREEN00 = 1; //下人行道綠燈滅
}
//--東西通行--//
else if(Second < 66)
{
DisplayData[0] = DIG_CODE[(65 - Second) % 100 / 10];
DisplayData[1] = DIG_CODE[(65 - Second) %10];
DisplayData[2] = DIG_CODE[(70 - Second) % 100 / 10];
DisplayData[3] = DIG_CODE[(70 - Second) %10];
DisplayData[4] = DIG_CODE[(65 - Second) % 100 / 10];
DisplayData[5] = DIG_CODE[(65 - Second) %10];
DisplayData[6] = DIG_CODE[(70 - Second) % 100 / 10];
DisplayData[7] = DIG_CODE[(70 - Second) %10];
DigDisplay();
RED11 = 0; //南北紅燈亮
YELLOW11 = 1; //南北黃燈滅
GREEN11 = 1; //南北綠燈滅
RED01 = 1; //東西紅燈滅
YELLOW01 = 1; //東西黃燈滅
GREEN01 = 0; //東西綠燈亮
RED10 = 0; //左人行道紅燈亮
GREEN10 = 1; //左人行道綠燈滅
RED00 = 1; //下人行道紅燈滅
GREEN00 = 0; //下人行道綠燈亮
}
//--黃燈等待切換狀態，5秒--//
else
{
DisplayData[0] = DIG_CODE[(70 - Second) % 100 / 10];
DisplayData[1] = DIG_CODE[(70 - Second) %10];
DisplayData[2] = DIG_CODE[(70 - Second) % 100 / 10];
DisplayData[3] = DIG_CODE[(70 - Second) %10];
DisplayData[4] = DIG_CODE[(105 - Second) % 100 / 10];
DisplayData[5] = DIG_CODE[(105 - Second) %10];
DisplayData[6] = DIG_CODE[(70 - Second) % 100 / 10];
DisplayData[7] = DIG_CODE[(70 - Second) %10];
DigDisplay();
RED11 = 0; //南北紅燈亮
YELLOW11 = 1; //南北黃燈滅
GREEN11 = 1; //南北綠燈滅
RED01 = 1; //東西紅燈滅
YELLOW01 = 0; //東西黃燈亮
GREEN01 = 1; //東西綠燈滅
RED10 = 0; //左人行道紅燈亮
GREEN10 = 1; //左人行道綠燈滅
RED00 = 0; //下人行道紅燈亮
GREEN00 = 1; //下人行道綠燈滅
}
}
}
void DigDisplay()
{
unsigned char i;
unsigned int j;
for(i=0; i<8; i++)
{
GPIO_PLACE = DIG_PLACE; //發送位選 GPIO_DIG = DisplayData; //發送段碼 j = 10; //掃描間隔時間設定 while(j--); GPIO_DIG = 0x00; //消隱 }}
void Timer0Cofig(void){ TMOD = 0x01; //定時器0選擇工作方式1 TH0 = 0x3C; //設置初始值,定時50MS TL0 = 0xB0; EA = 1; //打開總中斷 ET0 = 1; //打開定時器0中斷 TR0 = 1; //啟動定時器0 }
void Timer0() interrupt 1{ TH0 = 0x3C; //設置初始值 TL0 = 0xB0; Time++; if(Time == 20) { Second ++; Time = 0; }}

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交通燈設計