includereg52h>sbitr1=P2^0;sbitr2=P2^1;sbith1=P3^0;sbith2=P3^1;voiddelay(unsignedcharx);charscank(
程序如下：includereg52h>includeintrinsh>defineuintunsignedintdefineucharunsignedchar宏定义voiddelay(ui
includereg52h>typedefunsignedcharuint8;typedefunsignedintuint16;typedefunsignedlonguint32;*数码管0到F
8液晶背光控制includereg52h>includestdioh>includeintrinsh>unsignedinthour,minute,second,count;sbit
[cpp]viewplaincopyprint?includereg52h>defineucharunsignedcharsbitsda=P2^0;sbitscl=P2^1;用单片机的两个IO口
includereg52h>includeabsacch>includestdioh>defineuintunsignedintdefineucharunsignedchardefi
includereg52h单片机51头文件,存放着单片机的寄存器includeintrinsh>defineucharunsignedchardefineuintunsigned
注意：低版本的keil软件不能编译成功，因为无法处理浮点运算。includereg52h>includeintrinsh>defineuintunsignedintdef
includereg52h>源码下载includeintrinsh>defineucharunsignedchardefineuintunsignedintucharsecs=0;ucha
includereg52h>defineDisp_On0x3fdefineDisp_Off0x3edefineCol_Add0x40definePage_Add0xb8defineStart_L
