max31855_constants.h

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/*
 * Copyright (C) 2024 HAW Hamburg
 *
 * This file is subject to the terms and conditions of the GNU Lesser
 * General Public License v2.1. See the file LICENSE in the top level
 * directory for more details.
 */
 
#pragma once

 
#ifdef __cplusplus
extern "C" {
#endif

#define MAX31855_DATA_SIZE (4)

#define MAX31855_THERMOCOUPLE_SIGN_SHIFT (31)

#define MAX31855_THERMOCOUPLE_SIGN_MASK (1UL << MAX31855_THERMOCOUPLE_SIGN_SHIFT)

#define MAX31855_THERMOCOUPLE_INTEGER_SHIFT (20)

#define MAX31855_THERMOCOUPLE_INTEGER_MASK (0x7FFUL << MAX31855_THERMOCOUPLE_INTEGER_SHIFT)

#define MAX31855_THERMOCOUPLE_FRACTIONAL_HALF_SHIFT (19)

#define MAX31855_THERMOCOUPLE_FRACTIONAL_HALF_MASK (1UL << MAX31855_THERMOCOUPLE_FRACTIONAL_HALF_SHIFT)

#define MAX31855_THERMOCOUPLE_FRACTIONAL_QUARTER_SHIFT (18)

#define MAX31855_THERMOCOUPLE_FRACTIONAL_QUARTER_MASK (1UL << MAX31855_THERMOCOUPLE_FRACTIONAL_QUARTER_SHIFT)

#define MAX31855_INTERNAL_SIGN_SHIFT (15)

#define MAX31855_INTERNAL_SIGN_MASK (1UL << MAX31855_INTERNAL_SIGN_SHIFT)

#define MAX31855_INTERNAL_INTEGER_SHIFT (8)

#define MAX31855_INTERNAL_INTEGER_MASK (0x7FUL << MAX31855_INTERNAL_INTEGER_SHIFT)

#define MAX31855_INTERNAL_FRACTIONAL_HALF_SHIFT (7)

#define MAX31855_INTERNAL_FRACTIONAL_HALF_MASK (1UL << MAX31855_INTERNAL_FRACTIONAL_HALF_SHIFT)

#define MAX31855_INTERNAL_FRACTIONAL_QUARTER_SHIFT (6)

#define MAX31855_INTERNAL_FRACTIONAL_QUARTER_MASK (1UL << MAX31855_INTERNAL_FRACTIONAL_QUARTER_SHIFT)

#define MAX31855_INTERNAL_FRACTIONAL_EIGHTH_SHIFT (5)

#define MAX31855_INTERNAL_FRACTIONAL_EIGHTH_MASK (1UL << MAX31855_INTERNAL_FRACTIONAL_EIGHTH_SHIFT)

#define MAX31855_INTERNAL_FRACTIONAL_SIXTEENTH_SHIFT (4)

#define MAX31855_INTERNAL_FRACTIONAL_SIXTEENTH_MASK (1UL << MAX31855_INTERNAL_FRACTIONAL_SIXTEENTH_SHIFT)

#define MAX31855_FAULT_VCC_SHORT_SHIFT (2)

#define MAX31855_FAULT_VCC_SHORT_MASK (1UL << MAX31855_FAULT_VCC_SHORT_SHIFT)

#define MAX31855_FAULT_GND_SHORT_SHIFT (1)

#define MAX31855_FAULT_GND_SHORT_MASK (1UL << MAX31855_FAULT_GND_SHORT_SHIFT)

#define MAX31855_FAULT_OPEN_CIRCUIT_SHIFT (0)

#define MAX31855_FAULT_OPEN_CIRCUIT_MASK (1UL << MAX31855_FAULT_OPEN_CIRCUIT_SHIFT)

#define MAX31855_FAULT_MASK (MAX31855_FAULT_VCC_SHORT_MASK | \
                             MAX31855_FAULT_GND_SHORT_MASK | \
                             MAX31855_FAULT_OPEN_CIRCUIT_MASK)
 
#ifdef __cplusplus
}
#endif