ds1820.h

来自「Wind sensor for control speed air flow.」· C头文件 代码 · 共 19 行

#ifndef _DS1820_H_
#define _DS1820_H_

#define DS1820_FAMILY_CODE 0x10
#define DS1820_SEARCH_ROM_CMD 0xf0
#define DS1820_ALARM_SEARCH_CMD 0xec
typedef struct 
{ unsigned char temp_lsb,temp_msb,temp_high,temp_low,res1,res2,cnt_rem,cnt_c,crc;
}ds1820_t;
extern ds1820_t scratchPad;
extern unsigned char ds1820_search(unsigned char data, unsigned char *p);
extern unsigned char ds1820_select(unsigned char *addr);
extern unsigned char ds1820_read_spd(unsigned char *addr);
extern unsigned short ds1820_temperature_10(unsigned char *addr);
extern unsigned char ds1820_set_alarm(unsigned char *addr,signed char temp_low,signed char temp_high);

#endif