Registers for the lm75 and derived (lm75a and tmp1075) temperature sensors. More...

Detailed Description

Registers for the lm75 and derived (lm75a and tmp1075) temperature sensors.

Author: Vitor Batista vitor.nosp@m..bat.nosp@m.ista@.nosp@m.ml-p.nosp@m.a.com

Definition in file lm75_regs.h.

This graph shows which files directly or indirectly include this file:

LM75 register list
#define	LM75_TEMP_REG (0x00)
	Temperature register pointer.

#define	LM75_CONF_REG (0x01)
	Configuration register pointer.

#define	LM75_THYST_REG (0x02)
	Hysteresis register pointer.

#define	LM75_TOS_REG (0x03)
	Overtemperature shutdown register pointer.

Device Operation mode
#define	NORMAL_MODE 0
	Continuous conversion mode.

#define	SHUTDOWN_MODE 1
	Shutdown mode ON.

Device Thermostat operation mode
#define	COMPARATOR_MODE 0
	OS operation in comparator mode.

#define	INTERRUPT_MODE 1
	OS operation in interrupt mode.

OS polarity
#define	OS_ACTIVE_LOW 0
	OS pin active on Low voltage.

#define	OS_ACTIVE_HIGH 1
	OS pin active on positive voltage.

Consecutive fault measurements to trigger the alert function
#define	FAULT_1 0
	OS/ALERT active after 1 fault.

#define	FAULT_2 1
	OS/ALERT active after 2 faults.

LM75A exclusive registers
#define	FAULT_4 2
	OS active after 4 faults.

#define	FAULT_6 3
	OS active after 6 faults.

TMP1075 exclusive registers
#define	TMP1075_DEVICE_ID_REG (0x0F)
	Device ID register.

Fault Queue Values
#define	FAULT_3 2
	ALERT active after 3 faults.

#define	FAULT_4_TMP1075 3
	ALERT active after 4 faults.

Conversion rate setting when device is in continuous conversion mode
#define	TMP1075_CONV_RATE_REG_27H 0
	27.5ms conversion rate

#define	TMP1075_CONV_RATE_REG_55 1
	55ms conversion rate

#define	TMP1075_CONV_RATE_REG_110 2
	110ms conversion rate

#define	TMP1075_CONV_RATE_REG_220 3
	220ms conversion rate

Constants for the configuration register
#define	LM75_CONFIG_SHUTDOWN_MODE 0x01
	shut down sensor to conserve power

#define	TMP1075_CONFIG_ONE_SHOT_MODE 0x81
	perform a single measurement

Macro Definition Documentation

◆ COMPARATOR_MODE

#define COMPARATOR_MODE 0

OS operation in comparator mode.

Definition at line 44 of file lm75_regs.h.

◆ FAULT_1

#define FAULT_1 0

OS/ALERT active after 1 fault.

Definition at line 60 of file lm75_regs.h.

◆ FAULT_2

#define FAULT_2 1

OS/ALERT active after 2 faults.

Definition at line 61 of file lm75_regs.h.

◆ FAULT_3

#define FAULT_3 2

ALERT active after 3 faults.

Definition at line 82 of file lm75_regs.h.

◆ FAULT_4

#define FAULT_4 2

OS active after 4 faults.

Definition at line 68 of file lm75_regs.h.

◆ FAULT_4_TMP1075

#define FAULT_4_TMP1075 3

ALERT active after 4 faults.

Definition at line 83 of file lm75_regs.h.

◆ FAULT_6

#define FAULT_6 3

OS active after 6 faults.

Definition at line 69 of file lm75_regs.h.

◆ INTERRUPT_MODE

#define INTERRUPT_MODE 1

OS operation in interrupt mode.

Definition at line 45 of file lm75_regs.h.

◆ LM75_CONF_REG

#define LM75_CONF_REG (0x01)

Configuration register pointer.

Definition at line 27 of file lm75_regs.h.

◆ LM75_CONFIG_SHUTDOWN_MODE

#define LM75_CONFIG_SHUTDOWN_MODE 0x01

shut down sensor to conserve power

Definition at line 101 of file lm75_regs.h.

◆ LM75_TEMP_REG

#define LM75_TEMP_REG (0x00)

Temperature register pointer.

Definition at line 26 of file lm75_regs.h.

◆ LM75_THYST_REG

#define LM75_THYST_REG (0x02)

Hysteresis register pointer.

Definition at line 28 of file lm75_regs.h.

◆ LM75_TOS_REG

#define LM75_TOS_REG (0x03)

Overtemperature shutdown register pointer.

Definition at line 29 of file lm75_regs.h.

◆ NORMAL_MODE

#define NORMAL_MODE 0

Continuous conversion mode.

Definition at line 36 of file lm75_regs.h.

◆ OS_ACTIVE_HIGH

#define OS_ACTIVE_HIGH 1

OS pin active on positive voltage.

Definition at line 53 of file lm75_regs.h.

◆ OS_ACTIVE_LOW

#define OS_ACTIVE_LOW 0

OS pin active on Low voltage.

Definition at line 52 of file lm75_regs.h.

◆ SHUTDOWN_MODE

#define SHUTDOWN_MODE 1

Shutdown mode ON.

Definition at line 37 of file lm75_regs.h.

◆ TMP1075_CONFIG_ONE_SHOT_MODE

#define TMP1075_CONFIG_ONE_SHOT_MODE 0x81

perform a single measurement

Definition at line 102 of file lm75_regs.h.

◆ TMP1075_CONV_RATE_REG_110

#define TMP1075_CONV_RATE_REG_110 2

110ms conversion rate

Definition at line 92 of file lm75_regs.h.

◆ TMP1075_CONV_RATE_REG_220

#define TMP1075_CONV_RATE_REG_220 3

220ms conversion rate

Definition at line 93 of file lm75_regs.h.

◆ TMP1075_CONV_RATE_REG_27H

#define TMP1075_CONV_RATE_REG_27H 0

27.5ms conversion rate

Definition at line 90 of file lm75_regs.h.

◆ TMP1075_CONV_RATE_REG_55

#define TMP1075_CONV_RATE_REG_55 1

55ms conversion rate

Definition at line 91 of file lm75_regs.h.

◆ TMP1075_DEVICE_ID_REG

#define TMP1075_DEVICE_ID_REG (0x0F)

Device ID register.

Definition at line 76 of file lm75_regs.h.