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