C代码：#includereg51.h>unsignedcharcodetaba[]={0xfe,0xfd,0xfb,0xf7,0xef,0xdf,0xbf,0x7f};unsignedchar
voidUsart_INT0_init(){TMOD=0X21;TH1=0XFD;TL1=0XFD;SM0=0;SM1=1;REN=1;TR1=1;//ES=1;//串口中断影响…
includereg52h>unsignedcharcodetable[10]={0xfe,0xfd,0xfb,0xf7,0xef,0xdf,0xbf,0x7f};voidDelay(unsig
原理图includeREG2051HincludeintrinshdefineuintunsignedintdefineucharunsignedcharconstTH_600=0xfd;const
includereg52h>charcodemsg[8]={0xfe,0xfd,0xfb,0xf7,0xef,0xdf,0xbf,0x7f};voiddelay(intt){for(;t!=0;
includeAT89X52Hunsignedcharcodetab[]={0xfe,0xfd,0xfb,0xf7,0xef,0xdf,0xbf,0x7f};unsignedcharcodedigit
试验效果如下:includereg51h>defineduanP0段选defineweiP2位选unsignedcharcodewei1[8]={0xfe,0xfd,0xfb,0xf7,
