2017-11-24 13:40:29 +02:00
|
|
|
/*
|
|
|
|
|
ds18b20 lib 0x02
|
|
|
|
|
|
|
|
|
|
copyright (c) Davide Gironi, 2012
|
|
|
|
|
|
|
|
|
|
Released under GPLv3.
|
|
|
|
|
Please refer to LICENSE file for licensing information.
|
|
|
|
|
|
|
|
|
|
References:
|
|
|
|
|
+ Using DS18B20 digital temperature sensor on AVR microcontrollers
|
|
|
|
|
by Gerard Marull Paretas, 2007
|
|
|
|
|
http://teslabs.com/openplayer/docs/docs/other/ds18b20_pre1.pdf
|
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
#ifndef DS18B20_H_
|
|
|
|
|
#define DS18B20_H_
|
|
|
|
|
|
|
|
|
|
#include <avr/io.h>
|
|
|
|
|
|
2017-12-30 22:48:10 +02:00
|
|
|
#define DS18B20_PORT PORTC
|
|
|
|
|
#define DS18B20_DDR DDRC
|
|
|
|
|
#define DS18B20_PIN PINC
|
2018-01-02 14:18:30 +02:00
|
|
|
#define DS18B20_BIT PC0
|
2017-11-24 13:40:29 +02:00
|
|
|
|
|
|
|
|
#define DS18B20_CMD_CONVERTTEMP 0x44
|
|
|
|
|
#define DS18B20_CMD_RSCRATCHPAD 0xbe
|
|
|
|
|
#define DS18B20_CMD_SKIPROM 0xcc
|
|
|
|
|
|
|
|
|
|
//stop any interrupt on read
|
|
|
|
|
#define DS18B20_STOPINTERRUPTONREAD 1
|
|
|
|
|
|
2018-01-02 14:18:30 +02:00
|
|
|
|
2017-11-24 13:40:29 +02:00
|
|
|
uint8_t ds18b20_reset(void);
|
|
|
|
|
void ds18b20_writebit(uint8_t bit);
|
|
|
|
|
uint8_t ds18b20_readbit(void);
|
|
|
|
|
void ds18b20_writebyte(uint8_t byte);
|
|
|
|
|
uint8_t ds18b20_readbyte(void);
|
|
|
|
|
|
|
|
|
|
extern double ds18b20_gettemp(void);
|
|
|
|
|
|
|
|
|
|
#endif
|
