基于单片机的LED控制程序

.附录C：部分程序源代码： #include #include /移位函数头文件 #define uint unsigned int #define uchar unsigned char /宏定义 void delay(uint z); /延迟delay函数声明 uchar a,b; /定义a、b、i uint i=0; uchar code table0=0xfe,0xfc,0xf8,0xf0, 0xe0,0xc0,0x80,0x00; /查表0 uchar code table1=0x7f,0x3f,0x1f,0x0f, 0x07,0x03,0x01,0x00;/查表1void main() while(1) P3=0xff;/P3口清零delay(500); a=0xfe;/流水灯逆时针 P3=a;for(i=0;iP3.7）P3=a; P3=0xff; b=0xfe; P2=b; for(i=0;iP2.7） P2=b; P2=0xff; delay(350);a=0x7f;/流水灯顺时针P2=a;for(i=0;i8;i+)delay(350);a=_cror_(a,1);/P2依次移位P2=a; P2=0xff;b=0x7f;P3=b; for(i=0;i8;i+) delay(350); b=_cror_(b,1); /P3依次移动 P3=b; P3=0xff;delay(350); for(i=0;i8;i+) /散光灯，左到右 P3=table0i;/查表table0delay(350); for(i=0;i8;i+)P3=0x00; /保持P0口全亮P2=table0i;/查表table0delay(350); P2=0xff;P3=0xff; /清P3口delay(350); for(i=0;i8;i+) /散光灯，右到左P2=table1i; /查表table1delay(500);/延迟500msfor(i=0;i8;i+) P3=table1i;delay(500); a=0xfe;/双灯左移P3=a;b=0xfe;P2=b;for(i=0;i8;i+)delay(500);a=_crol_(a,1);/移位函数crolP3=a;b=_crol_(b,1);P2=b; P3=0xff; P2=0xff;delay(500);a=0x7f;/双灯右移P3=a;b=0x7f;P2=b;for(i=0;i8;i+)delay(500);a=_cror_(a,1);/移位函数crolP3=a;b=_cror_(b,1);P2=b;P3=0xff;/内交汇/清P3 P2口P2=0xff;delay(350); /延时350msa=0xfe;P3=a;b=0x7f;P2=b;for(i=0;i8;i+) delay(500);a=_crol_(a,1);/P3.0移动到P3.7P3=a;b=_cror_(b,1);/P2.7移动到P2.0P2=b; P3=0xff;/外交汇/清P3 P2口 P2=0xff; a=0x7f; /给P3口赋初值P3=a;b=0xfe; /给P2口赋初值P2=b;for(i=0;i8;i+)delay(500);a=_cror_(a,1);/P3.7移动到P3.0P3=a;b=_crol_(b,1); /P2.0移动到P2.7P2=b;P3=0xff; /清P2 P3口 P2=0xff;delay(500);for(i=0;i3;i+) /8灯左右闪烁delay(500);P2=0xaa; /点亮P2、P3口的1、3、5、7位灯（1010 1010）P3=0xaa; delay(500);P3=0x55; /点亮P3、P2口的2、4、6、8位的灯（0101 0101）P2=0x55; delay(500);P2=0xff;/清P2、P3口P3=0xff;for(i=0;i3;i+) /半边半边 delay(500); P3=0x00; /全亮P3口的灯 P2=0xff; /全