David Jung / DS7505_Low_Voltage_Temperature_Sensor

DS7505 C, C++ driver source code: The DS7505 low-voltage (1.7V to 3.7V) digital thermometer and thermostat provides 9 to 12-bit digital temperature readings over a -55°C to +125°C range with +-0.5°C accuracy in the 0°C (32°F) to +70°C (158°F) range.

Dependents:   DS7505_Temperature_Sensor_Low_Power

ds7505.h@25:93287f99d225, 2019-04-27 (annotated)

Committer:
phonemacro
Date:
Sat Apr 27 09:50:48 2019 +0000
Revision:
25:93287f99d225
Initial Commit

Who changed what in which revision?

UserRevisionLine numberNew contents of line
phonemacro 25:93287f99d225 1 /*******************************************************************************
phonemacro 25:93287f99d225 2 * Copyright (C) 2019 Maxim Integrated Products, Inc., All Rights Reserved.
phonemacro 25:93287f99d225 3 *
phonemacro 25:93287f99d225 4 * Permission is hereby granted, free of charge, to any person obtaining a
phonemacro 25:93287f99d225 5 * copy of this software and associated documentation files (the "Software"),
phonemacro 25:93287f99d225 6 * to deal in the Software without restriction, including without limitation
phonemacro 25:93287f99d225 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
phonemacro 25:93287f99d225 8 * and/or sell copies of the Software, and to permit persons to whom the
phonemacro 25:93287f99d225 9 * Software is furnished to do so, subject to the following conditions:
phonemacro 25:93287f99d225 10 *
phonemacro 25:93287f99d225 11 * The above copyright notice and this permission notice shall be included
phonemacro 25:93287f99d225 12 * in all copies or substantial portions of the Software.
phonemacro 25:93287f99d225 13 *
phonemacro 25:93287f99d225 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
phonemacro 25:93287f99d225 15 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
phonemacro 25:93287f99d225 16 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
phonemacro 25:93287f99d225 17 * IN NO EVENT SHALL MAXIM INTEGRATED BE LIABLE FOR ANY CLAIM, DAMAGES
phonemacro 25:93287f99d225 18 * OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
phonemacro 25:93287f99d225 19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
phonemacro 25:93287f99d225 20 * OTHER DEALINGS IN THE SOFTWARE.
phonemacro 25:93287f99d225 21 *
phonemacro 25:93287f99d225 22 * Except as contained in this notice, the name of Maxim Integrated
phonemacro 25:93287f99d225 23 * Products, Inc. shall not be used except as stated in the Maxim Integrated
phonemacro 25:93287f99d225 24 * Products, Inc. Branding Policy.
phonemacro 25:93287f99d225 25 *
phonemacro 25:93287f99d225 26 * The mere transfer of this software does not imply any licenses
phonemacro 25:93287f99d225 27 * of trade secrets, proprietary technology, copyrights, patents,
phonemacro 25:93287f99d225 28 * trademarks, maskwork rights, or any other form of intellectual
phonemacro 25:93287f99d225 29 * property whatsoever. Maxim Integrated Products, Inc. retains all
phonemacro 25:93287f99d225 30 * ownership rights.
phonemacro 25:93287f99d225 31 *******************************************************************************
phonemacro 25:93287f99d225 32 * @file DS7505.h
phonemacro 25:93287f99d225 33 *******************************************************************************
phonemacro 25:93287f99d225 34 */
phonemacro 25:93287f99d225 35 #ifndef DS7505_H
phonemacro 25:93287f99d225 36 #define DS7505_H
phonemacro 25:93287f99d225 37 #include "mbed.h"
phonemacro 25:93287f99d225 38
phonemacro 25:93287f99d225 39 #define DS7505_NO_ERROR 0
phonemacro 25:93287f99d225 40 #define DS7505_ERROR -1
phonemacro 25:93287f99d225 41
phonemacro 25:93287f99d225 42 #define DS7505_REG_TEMPERATURE 0X00
phonemacro 25:93287f99d225 43 #define DS7505_REG_CONFIGURATION 0X01
phonemacro 25:93287f99d225 44 #define DS7505_REG_THYST_LOW_TRIP 0X02
phonemacro 25:93287f99d225 45 #define DS7505_REG_TOS_HIGH_TRIP 0X03
phonemacro 25:93287f99d225 46 #define DS7505_REG_MAX 0X03
phonemacro 25:93287f99d225 47
phonemacro 25:93287f99d225 48 #define WAIT_MARGIN (0.0000)
phonemacro 25:93287f99d225 49 #define DS7505_WAIT_CONV_TIME (.050+WAIT_MARGIN)
phonemacro 25:93287f99d225 50
phonemacro 25:93287f99d225 51 #define DS7505_CFG_CONTINUOUS (0X00 << 0)
phonemacro 25:93287f99d225 52 #define DS7505_CFG_SHUTDOWN (0X01 << 0)
phonemacro 25:93287f99d225 53
phonemacro 25:93287f99d225 54 #define DS7505_CFG_COMPARATOR_MODE (0X00 << 1)
phonemacro 25:93287f99d225 55 #define DS7505_CFG_INTERRUPT_MODE (0X01 << 1)
phonemacro 25:93287f99d225 56
phonemacro 25:93287f99d225 57 #define DS7505_CFG_OS_POLARITY_ACT_LOW (0x00 << 2)
phonemacro 25:93287f99d225 58 #define DS7505_CFG_OS_POLARITY_ACT_HIGH (0x01 << 2)
phonemacro 25:93287f99d225 59
phonemacro 25:93287f99d225 60 #define DS7505_CFG_FAULT_FILTER_1 (0x00 << 3)
phonemacro 25:93287f99d225 61 #define DS7505_CFG_FAULT_FILTER_2 (0x01 << 3)
phonemacro 25:93287f99d225 62 #define DS7505_CFG_FAULT_FILTER_4 (0x02 << 3)
phonemacro 25:93287f99d225 63 #define DS7505_CFG_FAULT_FILTER_6 (0x03 << 3)
phonemacro 25:93287f99d225 64 #define DS7505_CFG_RESOLUTION_9BIT (0x00 << 5)
phonemacro 25:93287f99d225 65 #define DS7505_CFG_RESOLUTION_10BIT (0x00 << 5)
phonemacro 25:93287f99d225 66 #define DS7505_CFG_RESOLUTION_11BIT (0x00 << 5)
phonemacro 25:93287f99d225 67 #define DS7505_CFG_RESOLUTION_12BIT (0x00 << 5)
phonemacro 25:93287f99d225 68 #define DS7505_CFG_NV_BUSY (0X01 << 7)
phonemacro 25:93287f99d225 69
phonemacro 25:93287f99d225 70 #define WAIT_MARGIN (0.000)
phonemacro 25:93287f99d225 71 #define DS7505_WAIT_CONV_TIME_9BIT (0.025+WAIT_MARGIN)
phonemacro 25:93287f99d225 72 #define DS7505_WAIT_CONV_TIME_10BIT (0.050+2*WAIT_MARGIN)
phonemacro 25:93287f99d225 73 #define DS7505_WAIT_CONV_TIME_11BIT (0.100+4*WAIT_MARGIN)
phonemacro 25:93287f99d225 74 #define DS7505_WAIT_CONV_TIME_12BIT (0.200+8*WAIT_MARGIN)
phonemacro 25:93287f99d225 75
phonemacro 25:93287f99d225 76 #define DS7505_I2C_SLAVE_ADR_00 (0x90 >> 1) // code uses the 7 bit address
phonemacro 25:93287f99d225 77 #define DS7505_I2C_SLAVE_ADR_01 (0x92 >> 1)
phonemacro 25:93287f99d225 78 #define DS7505_I2C_SLAVE_ADR_02 (0x94 >> 1)
phonemacro 25:93287f99d225 79 #define DS7505_I2C_SLAVE_ADR_03 (0x96 >> 1)
phonemacro 25:93287f99d225 80 #define DS7505_I2C_SLAVE_ADR_04 (0x98 >> 1)
phonemacro 25:93287f99d225 81 #define DS7505_I2C_SLAVE_ADR_05 (0x9A >> 1)
phonemacro 25:93287f99d225 82 #define DS7505_I2C_SLAVE_ADR_06 (0x9C >> 1)
phonemacro 25:93287f99d225 83 #define DS7505_I2C_SLAVE_ADR_07 (0x9E >> 1)
phonemacro 25:93287f99d225 84
phonemacro 25:93287f99d225 85 #define DS7505_CF_LSB (0.00390625F)
phonemacro 25:93287f99d225 86
phonemacro 25:93287f99d225 87 /** @union ds7505_raw_data
phonemacro 25:93287f99d225 88 * @brief union data structure for byte word manipulations
phonemacro 25:93287f99d225 89 */
phonemacro 25:93287f99d225 90 union ds7505_raw_data {
phonemacro 25:93287f99d225 91 struct {
phonemacro 25:93287f99d225 92 uint8_t lsb;
phonemacro 25:93287f99d225 93 uint8_t msb;
phonemacro 25:93287f99d225 94 };
phonemacro 25:93287f99d225 95 struct {
phonemacro 25:93287f99d225 96 uint16_t magnitude_bits:15;
phonemacro 25:93287f99d225 97 uint16_t sign_bit:1;
phonemacro 25:93287f99d225 98 };
phonemacro 25:93287f99d225 99 uint16_t uwrd;
phonemacro 25:93287f99d225 100 int16_t swrd;
phonemacro 25:93287f99d225 101 };
phonemacro 25:93287f99d225 102
phonemacro 25:93287f99d225 103 #endif/* MAX31875_H */