1、02 从左到右的流水灯从左到右的流水灯接在P0口的8个LED从左到右循环依次点亮,产生走马灯效果intrins.h P0=0xfe; P0=_crol_(P0,1); /P0的值向左循环移动03 8只LED左右来回点亮8只LED左右来回点亮程序利用循环移位函数_crol_和_cror_形成来回滚动的效果 P2=0x01;7;i+) P2=_crol_(P2,1); /P2的值向左循环移动 DelayMS(150); P2=_cror_(P2,1); /P2的值向右循环移动04 花样流水灯花样流水灯16只LED分两组按预设的多种花样变换显示uchar code Pattern_P0= 0xfc,
2、0xf9,0xf3,0xe7,0xcf,0x9f,0x3f,0x7f,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff, 0xe7,0xdb,0xbd,0x7e,0xbd,0xdb,0xe7,0xff,0xe7,0xc3,0x81,0x00,0x81,0xc3,0xe7,0xff, 0xaa,0x55,0x18,0xff,0xf0,0x0f,0x00,0xff,0xf8,0xf1,0xe3,0xc7,0x8f,0x1f,0x3f,0x7f, 0x7f,0x3f,0x1f,0x8f,0xc7,0xe3,0xf1,0xf8,0xff,0x00,0x00,0xff,0x
3、ff,0x0f,0xf0,0xff, 0xfe,0xfd,0xfb,0xf7,0xef,0xdf,0xbf,0x7f,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff, 0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0x7f,0xbf,0xdf,0xef,0xf7,0xfb,0xfd,0xfe, 0xfe,0xfc,0xf8,0xf0,0xe0,0xc0,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x0
4、0,0x00,0x80,0xc0,0xe0,0xf0,0xf8,0xfc,0xfe, 0x00,0xff,0x00,0xff,0x00,0xff,0x00,0xff;uchar code Pattern_P2= 0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xfe,0xfc,0xf9,0xf3,0xe7,0xcf,0x9f,0x3f,0xff, 0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xfe,0xfd,0xfb,0xf7,0xef,0xdf,0xbf,0x7f, 0x7f,0xbf,0xdf,0xef,0xf7,0xfb,0x
5、fd,0xfe,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff, 0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xfe,0xfc,0xf8,0xf0,0xe0,0xc0,0x80,0x00, 0x00,0x80,0xc0,0xe0,0xf0,0xf8,0xfc,0xfe,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff, /从数组中读取数据送至P0和P2口显示136; P0=Pattern_P0i; P2=Pattern_P2i; DelayMS(100);05 LED模拟交通灯/* 名称:LED
6、模拟交通灯东西向绿灯亮若干秒,黄灯闪烁5次后红灯亮, 红灯亮后,南北向由红灯变为绿灯,若干秒后南北向黄灯闪烁5此后变红灯,东西向变绿灯,如此重复。sbit RED_A=P00; /东西向灯sbit YELLOW_A=P01;sbit GREEN_A=P02;sbit RED_B=P03; /南北向灯sbit YELLOW_B=P04;sbit GREEN_B=P05;uchar Flash_Count=0,Operation_Type=1; /闪烁次数,操作类型变量 while(x-) for(i=0;/交通灯切换void Traffic_Light() switch(Operation_Ty
7、pe) case 1: /东西向绿灯与南北向红灯亮 RED_A=1;YELLOW_A=1;GREEN_A=0; RED_B=0;YELLOW_B=1;GREEN_B=1; DelayMS(2000); Operation_Type=2; break; case 2: /东西向黄灯闪烁,绿灯关闭 DelayMS(300); YELLOW_A=YELLOW_A;GREEN_A=1; if(+Flash_Count!=10) return; /闪烁5次 Flash_Count=0; Operation_Type=3; case 3: /东西向红灯,南北向绿灯亮 RED_A=0; RED_B=1;GR
8、EEN_B=0; Operation_Type=4; case 4: /南北向黄灯闪烁5次 YELLOW_B=YELLOW_B; Operation_Type=1; while(1) Traffic_Light();06 单只数码管循环显示09单只数码管循环显示09主程序中的循环语句反复将09的段码送至P0口,使数字09循环显示uchar code DSY_CODE=0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90,0xff; uchar t; while(x-) for(t=0;tt+); uchar i=0; P0=0x00; /* for
9、(;11;i+) P0=DSY_CODEi; DelayMS(300); /注:另一方案 */ P0=DSY_CODEi; i=(i+1)%10; DelayMS(300);07 8只数码管滚动显示单个数字8只数码管滚动显示单个数字数码管从左到右依次滚动显示07,程序通过每次仅循环选通一只数码管uchar code DSY_CODE=0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90; uchar i,wei=0x80;8; P2=0xff; /关闭显示 wei=_crol_(wei,1); P0=DSY_CODEi; /发送数字段码 P2=we
10、i; /发送位码 DelayMS(300);08 8只数码管动态显示多个不同字符电路如上图8只数码管动态显示多个不同字符数码管动态扫描显示07。 /发送段码 DelayMS(50);09 8只数码管闪烁显示数字串8只数码管闪烁显示数字串数码管闪烁显示由07构成的一串数字 本例用动态刷新法显示一串数字,在停止刷新时所有数字显示消失。/段码表/位码表uchar code DSY_IDX=0x01,0x02,0x04,0x08,0x10,0x20,0x40,0x80; uchar i,j;30; for(j=0;j4; k=0; /检查1所在位置,累加获取按键号k while(Key_State!=
11、0) k+; Key_State=1; /根据按键号k进行4种处理 switch(k) case 1: if(P0=0x00) P0=0xff; P0 DelayMS(200); break; case 2: P0=0xf0;break; case 3: P0=0x0f; case 4:14 K1-K4 控制数码管移位显示K1-K4 控制数码管移位显示按下K1时加1计数并增加显示位, 按下K2时减1计数并减少显示位, 按下K3时清零。/段码/位码uchar code DSY_Index=0x80,0x40,0x20,0x10,0x08,0x04,0x02,0x01;/待显示到各数码管的数字缓冲(开始仅在0位显示0,其他黑屏)uchar Display_Buffer=0,10,10,10,10,10,10,10;void Show_Count_ON_DSY()
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