xianshi.rar_CH451

#include<reg51.h> #include<intrins.h> #include"ch451.h" LEDDisplay(char MODE,uint data1) { uint i; void WriteCh451(uint da); void Delay(); WriteCh451(CH451_SYSON2); WriteCh451(CH451_BCD); if(MODE==0) //突发显示 { if(1) //如果条件成立时显示 WriteCh451(data1); } if(MODE==1) //定周期显示 { for(i=0;i<100;i++); //定时周期 WriteCh451(data1); } } void WriteCh451(uint da) { uint i; EX1=0; //关闭键盘中断 CH451_LOAD=0; //复位LOAD信号 for(i=0;i<12;i++) { if((da&0x1)==1) CH451_DIN=1; else CH451_DIN=0; CH451_DCLK=0; da>>=1; CH451_DCLK=1; //上升沿读取数据 } CH451_LOAD=1; //加载数据 Delay(); EX1=1; //打开键盘中断 } void Delay() { _nop_(); _nop_(); } main() { LEDDisplay(0,0x808) ; LEDDisplay(0,0x908) ; LEDDisplay(0,0xa08) ; LEDDisplay(0,0xb08) ; LEDDisplay(0,0xc08) ; LEDDisplay(0,0xd08) ; LEDDisplay(0,0xe08) ; LEDDisplay(0,0xf08) ; //LEDDisplay(0,0x400) ; }