max31855_constants.h File Reference

Internal addresses, registers and constants. More...

Detailed Description

Internal addresses, registers and constants.

Author

Leandro Lanzieri leand.nosp@m.ro.l.nosp@m.anzie.nosp@m.ri@h.nosp@m.aw-ha.nosp@m.mbur.nosp@m.g.de

Definition in file max31855_constants.h.

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#define	MAX31855_DATA_SIZE   (4)
	Size of the data read from the MAX31855 in bytes.
#define	MAX31855_THERMOCOUPLE_SIGN_SHIFT   (31)
	Shift value for the thermocouple sign bit.
#define	MAX31855_THERMOCOUPLE_SIGN_MASK   (1UL << MAX31855_THERMOCOUPLE_SIGN_SHIFT)
	Mask value for the thermocouple sign bit.
#define	MAX31855_THERMOCOUPLE_INTEGER_SHIFT   (20)
	Shift value for the thermocouple integer bits.
#define	MAX31855_THERMOCOUPLE_INTEGER_MASK   (0x7FFUL << MAX31855_THERMOCOUPLE_INTEGER_SHIFT)
	Mask value for the thermocouple integer bits.
#define	MAX31855_THERMOCOUPLE_FRACTIONAL_HALF_SHIFT   (19)
	Shift value for the thermocouple fractional half degree bit.
#define	MAX31855_THERMOCOUPLE_FRACTIONAL_HALF_MASK   (1UL << MAX31855_THERMOCOUPLE_FRACTIONAL_HALF_SHIFT)
	Mask value for the thermocouple fractional half degree bit.
#define	MAX31855_THERMOCOUPLE_FRACTIONAL_QUARTER_SHIFT   (18)
	Shift value for the thermocouple fractional quarter degree bit.
#define	MAX31855_THERMOCOUPLE_FRACTIONAL_QUARTER_MASK   (1UL << MAX31855_THERMOCOUPLE_FRACTIONAL_QUARTER_SHIFT)
	Mask value for the thermocouple fractional quarter degree bit.
#define	MAX31855_INTERNAL_SIGN_SHIFT   (15)
	Shift value for the internal sign bit.
#define	MAX31855_INTERNAL_SIGN_MASK   (1UL << MAX31855_INTERNAL_SIGN_SHIFT)
	Mask value for the internal sign bit.
#define	MAX31855_INTERNAL_INTEGER_SHIFT   (8)
	Shift value for the internal integer bits.
#define	MAX31855_INTERNAL_INTEGER_MASK   (0x7FUL << MAX31855_INTERNAL_INTEGER_SHIFT)
	Mask value for the internal integer bits.
#define	MAX31855_INTERNAL_FRACTIONAL_HALF_SHIFT   (7)
	Shift value for the internal fractional half degree bit.
#define	MAX31855_INTERNAL_FRACTIONAL_HALF_MASK   (1UL << MAX31855_INTERNAL_FRACTIONAL_HALF_SHIFT)
	Mask value for the internal fractional half degree bit.
#define	MAX31855_INTERNAL_FRACTIONAL_QUARTER_SHIFT   (6)
	Shift value for the internal fractional quarter degree bit.
#define	MAX31855_INTERNAL_FRACTIONAL_QUARTER_MASK   (1UL << MAX31855_INTERNAL_FRACTIONAL_QUARTER_SHIFT)
	Mask value for the internal fractional quarter degree bit.
#define	MAX31855_INTERNAL_FRACTIONAL_EIGHTH_SHIFT   (5)
	Shift value for the internal fractional eighth degree bit.
#define	MAX31855_INTERNAL_FRACTIONAL_EIGHTH_MASK   (1UL << MAX31855_INTERNAL_FRACTIONAL_EIGHTH_SHIFT)
	Shift value for the internal fractional eighth degree bit.
#define	MAX31855_INTERNAL_FRACTIONAL_SIXTEENTH_SHIFT   (4)
	Shift value for the internal fractional sixteenth degree bit.
#define	MAX31855_INTERNAL_FRACTIONAL_SIXTEENTH_MASK   (1UL << MAX31855_INTERNAL_FRACTIONAL_SIXTEENTH_SHIFT)
	Shift value for the internal fractional sixteenth degree bit.
#define	MAX31855_FAULT_VCC_SHORT_SHIFT   (2)
	Shift value for the fault bit indicating a VCC short.
#define	MAX31855_FAULT_VCC_SHORT_MASK   (1UL << MAX31855_FAULT_VCC_SHORT_SHIFT)
	Mask value for the fault bit indicating a VCC short.
#define	MAX31855_FAULT_GND_SHORT_SHIFT   (1)
	Shift value for the fault bit indicating a GND short.
#define	MAX31855_FAULT_GND_SHORT_MASK   (1UL << MAX31855_FAULT_GND_SHORT_SHIFT)
	Mask value for the fault bit indicating a GND short.
#define	MAX31855_FAULT_OPEN_CIRCUIT_SHIFT   (0)
	Shift value for the fault bit indicating an open circuit.
#define	MAX31855_FAULT_OPEN_CIRCUIT_MASK   (1UL << MAX31855_FAULT_OPEN_CIRCUIT_SHIFT)
	Mask value for the fault bit indicating an open circuit.
#define	MAX31855_FAULT_MASK
	Mask value for the fault bits. More...

Macro Definition Documentation

MAX31855_FAULT_MASK

#define MAX31855_FAULT_MASK

Value:

                             (MAX31855_FAULT_VCC_SHORT_MASK | \
                             MAX31855_FAULT_GND_SHORT_MASK | \
                             MAX31855_FAULT_OPEN_CIRCUIT_MASK)

Mask value for the fault bits.

Definition at line 164 of file max31855_constants.h.