mirror of
https://github.com/oliverschmidt/contiki.git
synced 2024-08-16 22:28:59 +00:00
45 lines
1.3 KiB
C
45 lines
1.3 KiB
C
/*
|
|
* An interface to the TI TMP102 temperature sensor
|
|
* 12 bit temperature reading, 0.5 deg. Celsius accuracy
|
|
* -----------------------------------------------------------------
|
|
*
|
|
* Author : Hedde Bosman (heddebosman@incas3.eu)
|
|
*/
|
|
|
|
#ifndef __TMP102_SENSOR_H__
|
|
#define __TMP102_SENSOR_H__
|
|
|
|
#include "i2c.h"
|
|
|
|
#include "lib/sensors.h"
|
|
|
|
extern const struct sensors_sensor tmp102_sensor;
|
|
|
|
#define TMP102_VALUE_TYPE_DEFAULT 0
|
|
|
|
#define TMP102_ADDR 0x48 // if A0 @ ground
|
|
//#define TMP102_ADDR 0x49 // if A0 @ V+
|
|
//#define TMP102_ADDR 0x4A // if A0 @ SDA
|
|
//#define TMP102_ADDR 0x4B // if A0 @ SCL
|
|
|
|
#define TMP102_REGISTER_TEMPERATURE 0x00
|
|
#define TMP102_REGISTER_CONFIGURATION 0x01
|
|
#define TMP102_REGISTERO_T_LOW 0x02
|
|
#define TMP102_REGISTERO_T_HIGH 0x03
|
|
|
|
|
|
#define TMP102_CONF_EXTENDED_MODE 0x10
|
|
#define TMP102_CONF_ALERT 0x20
|
|
#define TMP102_CONF_CONVERSION_RATE 0xC0 // 2 bits indicating conversion rate (0.25, 1, 4, 8 Hz)
|
|
|
|
#define TMP102_CONF_SHUTDOWN_MODE 0x01
|
|
#define TMP102_CONF_THERMOSTAT_MODE 0x02 // 0 = comparator mode, 1 = interrupt mode
|
|
#define TMP102_CONF_POLARITY 0x04
|
|
#define TMP102_CONF_FAULT_QUEUE 0x18 // 2 bits indicating number of faults
|
|
#define TMP102_CONF_RESOLUTION 0x60 // 2 bits indicating resolution, default = b11 = 0x60
|
|
#define TMP102_CONF_ONESHOT_READY 0x80 //
|
|
|
|
|
|
#endif
|
|
|