單片機(jī)-交通燈程序(C語(yǔ)言).docx

/* 實(shí)驗(yàn)名 : 動(dòng)態(tài)顯示數(shù)碼管實(shí)驗(yàn)* 使用的IO : * 實(shí)驗(yàn)效果 : 數(shù)碼管顯示76543210。*注意 ：當(dāng)位選用P1口的時(shí)候注意可能會(huì)有一位不亮，那么調(diào)整J21*/#include/-定義使用的IO口-/#define GPIO_DIG P0#define GPIO_PLACE P1#define GPIO_TRAFFIC P2sbit RED10 = P20; /上人行道紅燈sbit GREEN10 = P21; /上人行道綠燈sbit RED11 = P22;sbit YELLOW11= P23;sbit GREEN11 = P24;sbit RED00 = P30;/右人行道紅燈sbit GREEN00 = P31;/右人行道綠燈sbit RED01 = P25;sbit YELLOW01= P26;sbit GREEN01 = P27;/-定義全局變量-/unsigned char code DIG_PLACE8 = 0xfe,0xfd,0xfb,0xf7,0xef,0xdf,0xbf,0x7f;/位選控制 查表的方法控制unsigned char code DIG_CODE17 = 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 DisplayData8;/用來(lái)存放要顯示的8位數(shù)的值unsigned char Time, Second; /用來(lái)存放定時(shí)時(shí)間/-聲明全局函數(shù)-/void DigDisplay(); /動(dòng)態(tài)顯示函數(shù)void Timer0Cofig(void);/* 函 數(shù) 名 : main* 函數(shù)功能 : 主函數(shù)* 輸 入 : 無(wú)* 輸 出 : 無(wú)*/void main(void)Second = 1;Timer0Cofig();while(1)if(Second = 70)Second = 1;/-寶田路通行，30秒-/if(Second 31)DisplayData0 = 0x00;DisplayData1 = 0x00;DisplayData2 = DIG_CODE(30 - Second) % 100 / 10;DisplayData3 = DIG_CODE(30 - Second) %10;DisplayData4 = 0x00;DisplayData5 = 0x00;DisplayData6 = DisplayData2;DisplayData7 = DisplayData3;DigDisplay();/-寶田路通行-/GPIO_TRAFFIC = 0xFF; /將所有的燈熄滅RED00 = 1;GREEN00 = 1;GREEN11 = 0; /寶田路綠燈亮GREEN10= 0; /寶田路人行道綠燈亮RED01 = 0; /前進(jìn)路紅燈亮RED00 = 0; /前進(jìn)路人行道紅燈亮/-黃燈等待切換狀態(tài)，5秒-/else if(Second 36) DisplayData0 = 0x00;DisplayData1 = 0x00;DisplayData2 = DIG_CODE(35 - Second) % 100 / 10;DisplayData3 = DIG_CODE(35 - Second) %10;DisplayData4 = 0x00;DisplayData5 = 0x00;DisplayData6 = DisplayData2;DisplayData7 = DisplayData3;DigDisplay();/-黃燈階段-/GPIO_TRAFFIC = 0xFF; /將所有的燈熄滅RED00 = 1;GREEN00 = 1;YELLOW11 = 0; /寶田路黃燈亮RED10= 0; /寶田路人行道紅燈亮YELLOW01 = 0; /前進(jìn)路紅燈亮RED00 = 0; /前進(jìn)路人行道紅燈亮/-前進(jìn)路通行-/else if(Second 66) DisplayData0 = 0x00;DisplayData1 = 0x00;DisplayData2 = DIG_CODE(65 - Second) % 100 / 10;DisplayData3 = DIG_CODE(65 - Second) %10;DisplayData4 = 0x00;DisplayData5 = 0x00;DisplayData6 = DisplayData2;DisplayData7 = DisplayData3;DigDisplay();/-黃燈階段-/GPIO_TRAFFIC = 0xFF; /將所有的燈熄滅RED00 = 1;GREEN00 = 1;RED11 = 0; /寶田路紅燈亮RED10 = 0; /寶田路人行道紅燈亮GREEN01 = 0; /前進(jìn)路綠燈亮GREEN00 = 0; /前進(jìn)路人行道綠燈亮/-黃燈等待切換狀態(tài)，5秒-/else DisplayData0 = 0x00;DisplayData1 = 0x00;DisplayData2 = DIG_CODE(70 - Second) % 100 / 10;DisplayData3 = DIG_CODE(70 - Second) %10;DisplayData4 = 0x00;DisplayData5 = 0x00;DisplayData6 = DisplayData2;DisplayData7 = DisplayData3;DigDisplay();/-黃燈階段-/GPIO_TRAFFIC = 0xFF; /將所有的燈熄滅RED00 = 1;GREEN00 = 1;YELLOW11 = 0; /寶田路黃燈亮RED10= 0; /寶田路人行道紅燈亮YELLOW01 = 0; /前進(jìn)路紅燈亮RED00 = 0; /前進(jìn)路人行道紅燈亮/* 函 數(shù) 名 : DigDisplay* 函數(shù)功能 : 使用數(shù)碼管顯示* 輸 入 : 無(wú)* 輸 出 : 無(wú)*/void DigDisplay()unsigned char i;unsigned int j;for(i=0; i8; i+)GPIO_PLACE = DIG_PLACEi; /發(fā)送位選GPIO_DIG = DisplayDatai; /發(fā)送段碼j = 10; /掃描間隔時(shí)間設(shè)定while(j-);GPIO_DIG = 0x00; /消隱/* 函 數(shù) 名 : Timer0Cofig* 函數(shù)功能 : 配置定時(shí)器* 輸 入 : 無(wú)* 輸 出 : 無(wú)*/void Timer0Cofig(void)TMOD = 0x01; /定時(shí)器0選擇工作方式1 TH0 = 0x3C; /設(shè)置初始值,定時(shí)50MS TL0 = 0xB0; EA = 1; /打開(kāi)總中斷 ET0 = 1; /打開(kāi)定時(shí)器0中斷 TR0 = 1;