源程序如下： /* 名称：花样流水灯 说明：16只LED分两组按预设的多种花样变换显示 */ #include<reg51.h> #define uchar unsigned char #define uint unsigned int uchar code Pattern_P0[]= { 0xfc,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,0xff,0x0f,0xf0,0xff, 0xfe,0xfd,0xfb,0xf7,0xef,0xdf,0xbf,0x7f,0xff,0xff,0xff,0xf

源程序如下： /* 名称：从左到右的流水灯 说明：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 */ #include<reg51.h> #include<intrins.h> #define uchar unsigned char #define uint unsigned int //延时 void DelayMS(uint x) { uchar i; while(x--) { for(i=0;i<120;i++); } } //主程序 void main() { P0=0xfe; while(1) { P0=_crol_(P0,1); //P0的值向左循环移动 DelayMS(150); } }