ds18b20.h

1-wire协议实现

	/*hxc last change time 2006.03.03 x:x*/
	/*hxc last check time 2006.4.14 16:46*/
	#define temperature_switch	0X44//start temperature switch ,read ret '0' at switch
	#define read_ds18b20		0XBE//read ds18b20 data
	#define write_ds18b20		0X4E//write ds18b20 data
	#define copy_to_EEPROM		0X48//ds18b20 data copy to ds18b20 eeprom ,'0' at copy
	#define read_EEPROM			0XB8//on power,eeprom read ds18b20,'0' at copy
	#define read_power_mode 	0XB4//read ds18b20 power mode '0'wire power '1'vcc power	
	tem_switch();//temperature switch ，delay 750ms,read 
	tem_read_ouput();//temperature read temperature ,process and print
	ID_read_store();		//read on wire all device rom_id, have ds18b20 save to ds18b20id[8],not is save 1320id
	DS18B20_config_store_eeporm(uchar TH,char TL,uchar ContgReg);
	Id_matching(uchar *device_id);//matching rom id(tx matching comand +*device_id)