DS18B20基本原理及基本代码操作分享

//DS18B20# include "reg52.h"# include "absacc.h"# include "onewire.h" //引入“absacc.h”，通过XBYTE来直接操作扩展资源unsigned char code SMGNODOT_CA[10]=                    {0xc0,0xf9,0xa4,0xb0,0x99,0x92,                                        0x82,0xf8,0x80,0x90}; //数字0~9unsigned char code SMGDOT_.