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MAX30205/MAX30205.cpp@22:5c07298d3383, 2019-08-26 (annotated)
- Committer:
- lucaslwl
- Date:
- Mon Aug 26 08:11:41 2019 +0000
- Revision:
- 22:5c07298d3383
add library folder
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
lucaslwl | 22:5c07298d3383 | 1 | ///******************************************************************************* |
lucaslwl | 22:5c07298d3383 | 2 | // * Copyright (C) 2017 Maxim Integrated Products, Inc., All Rights Reserved. |
lucaslwl | 22:5c07298d3383 | 3 | // * |
lucaslwl | 22:5c07298d3383 | 4 | // * Permission is hereby granted, free of charge, to any person obtaining a |
lucaslwl | 22:5c07298d3383 | 5 | // * copy of this software and associated documentation files (the "Software"), |
lucaslwl | 22:5c07298d3383 | 6 | // * to deal in the Software without restriction, including without limitation |
lucaslwl | 22:5c07298d3383 | 7 | // * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
lucaslwl | 22:5c07298d3383 | 8 | // * and/or sell copies of the Software, and to permit persons to whom the |
lucaslwl | 22:5c07298d3383 | 9 | // * Software is furnished to do so, subject to the following conditions: |
lucaslwl | 22:5c07298d3383 | 10 | // * |
lucaslwl | 22:5c07298d3383 | 11 | // * The above copyright notice and this permission notice shall be included |
lucaslwl | 22:5c07298d3383 | 12 | // * in all copies or substantial portions of the Software. |
lucaslwl | 22:5c07298d3383 | 13 | // * |
lucaslwl | 22:5c07298d3383 | 14 | // * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
lucaslwl | 22:5c07298d3383 | 15 | // * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
lucaslwl | 22:5c07298d3383 | 16 | // * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. |
lucaslwl | 22:5c07298d3383 | 17 | // * IN NO EVENT SHALL MAXIM INTEGRATED BE LIABLE FOR ANY CLAIM, DAMAGES |
lucaslwl | 22:5c07298d3383 | 18 | // * OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
lucaslwl | 22:5c07298d3383 | 19 | // * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
lucaslwl | 22:5c07298d3383 | 20 | // * OTHER DEALINGS IN THE SOFTWARE. |
lucaslwl | 22:5c07298d3383 | 21 | // * |
lucaslwl | 22:5c07298d3383 | 22 | // * Except as contained in this notice, the name of Maxim Integrated |
lucaslwl | 22:5c07298d3383 | 23 | // * Products, Inc. shall not be used except as stated in the Maxim Integrated |
lucaslwl | 22:5c07298d3383 | 24 | // * Products, Inc. Branding Policy. |
lucaslwl | 22:5c07298d3383 | 25 | // * |
lucaslwl | 22:5c07298d3383 | 26 | // * The mere transfer of this software does not imply any licenses |
lucaslwl | 22:5c07298d3383 | 27 | // * of trade secrets, proprietary technology, copyrights, patents, |
lucaslwl | 22:5c07298d3383 | 28 | // * trademarks, maskwork rights, or any other form of intellectual |
lucaslwl | 22:5c07298d3383 | 29 | // * property whatsoever. Maxim Integrated Products, Inc. retains all |
lucaslwl | 22:5c07298d3383 | 30 | // * ownership rights. |
lucaslwl | 22:5c07298d3383 | 31 | // ******************************************************************************* |
lucaslwl | 22:5c07298d3383 | 32 | // */ |
lucaslwl | 22:5c07298d3383 | 33 | // |
lucaslwl | 22:5c07298d3383 | 34 | // |
lucaslwl | 22:5c07298d3383 | 35 | //#include "MAX30205.h" |
lucaslwl | 22:5c07298d3383 | 36 | // |
lucaslwl | 22:5c07298d3383 | 37 | // |
lucaslwl | 22:5c07298d3383 | 38 | ////****************************************************************************** |
lucaslwl | 22:5c07298d3383 | 39 | //MAX30205::MAX30205(I2C &i2c, uint8_t slaveAddress): |
lucaslwl | 22:5c07298d3383 | 40 | //m_i2c(i2c), m_writeAddress(slaveAddress << 1), |
lucaslwl | 22:5c07298d3383 | 41 | //m_readAddress((slaveAddress << 1) | 1) |
lucaslwl | 22:5c07298d3383 | 42 | //{ |
lucaslwl | 22:5c07298d3383 | 43 | //} |
lucaslwl | 22:5c07298d3383 | 44 | // |
lucaslwl | 22:5c07298d3383 | 45 | // |
lucaslwl | 22:5c07298d3383 | 46 | ////****************************************************************************** |
lucaslwl | 22:5c07298d3383 | 47 | //MAX30205::~MAX30205(void) |
lucaslwl | 22:5c07298d3383 | 48 | //{ |
lucaslwl | 22:5c07298d3383 | 49 | // //empty block |
lucaslwl | 22:5c07298d3383 | 50 | //} |
lucaslwl | 22:5c07298d3383 | 51 | // |
lucaslwl | 22:5c07298d3383 | 52 | // |
lucaslwl | 22:5c07298d3383 | 53 | ////****************************************************************************** |
lucaslwl | 22:5c07298d3383 | 54 | //int32_t MAX30205::readTemperature(uint16_t &value) |
lucaslwl | 22:5c07298d3383 | 55 | //{ |
lucaslwl | 22:5c07298d3383 | 56 | // return readRegister(MAX30205::Temperature, value); |
lucaslwl | 22:5c07298d3383 | 57 | // |
lucaslwl | 22:5c07298d3383 | 58 | //} |
lucaslwl | 22:5c07298d3383 | 59 | // |
lucaslwl | 22:5c07298d3383 | 60 | // |
lucaslwl | 22:5c07298d3383 | 61 | ////****************************************************************************** |
lucaslwl | 22:5c07298d3383 | 62 | //int32_t MAX30205::readConfiguration(Configuration_u &config) |
lucaslwl | 22:5c07298d3383 | 63 | //{ |
lucaslwl | 22:5c07298d3383 | 64 | // uint16_t data; |
lucaslwl | 22:5c07298d3383 | 65 | // |
lucaslwl | 22:5c07298d3383 | 66 | // int32_t result = readRegister(MAX30205::Configuration, data); |
lucaslwl | 22:5c07298d3383 | 67 | // if(result == 0) |
lucaslwl | 22:5c07298d3383 | 68 | // { |
lucaslwl | 22:5c07298d3383 | 69 | // config.all = (0x00FF & data); |
lucaslwl | 22:5c07298d3383 | 70 | // } |
lucaslwl | 22:5c07298d3383 | 71 | // |
lucaslwl | 22:5c07298d3383 | 72 | // return result; |
lucaslwl | 22:5c07298d3383 | 73 | // |
lucaslwl | 22:5c07298d3383 | 74 | //} |
lucaslwl | 22:5c07298d3383 | 75 | // |
lucaslwl | 22:5c07298d3383 | 76 | // |
lucaslwl | 22:5c07298d3383 | 77 | ////****************************************************************************** |
lucaslwl | 22:5c07298d3383 | 78 | //int32_t MAX30205::writeConfiguration(const Configuration_u config) |
lucaslwl | 22:5c07298d3383 | 79 | //{ |
lucaslwl | 22:5c07298d3383 | 80 | // uint16_t local_config = (0x00FF & config.all); |
lucaslwl | 22:5c07298d3383 | 81 | // |
lucaslwl | 22:5c07298d3383 | 82 | // return writeRegister(MAX30205::Configuration, local_config); |
lucaslwl | 22:5c07298d3383 | 83 | //} |
lucaslwl | 22:5c07298d3383 | 84 | // |
lucaslwl | 22:5c07298d3383 | 85 | // |
lucaslwl | 22:5c07298d3383 | 86 | ////****************************************************************************** |
lucaslwl | 22:5c07298d3383 | 87 | //int32_t MAX30205::readTHYST(uint16_t &value) |
lucaslwl | 22:5c07298d3383 | 88 | //{ |
lucaslwl | 22:5c07298d3383 | 89 | // return readRegister(MAX30205::THYST, value); |
lucaslwl | 22:5c07298d3383 | 90 | //} |
lucaslwl | 22:5c07298d3383 | 91 | // |
lucaslwl | 22:5c07298d3383 | 92 | // |
lucaslwl | 22:5c07298d3383 | 93 | ////****************************************************************************** |
lucaslwl | 22:5c07298d3383 | 94 | //int32_t MAX30205::writeTHYST(uint16_t value) |
lucaslwl | 22:5c07298d3383 | 95 | //{ |
lucaslwl | 22:5c07298d3383 | 96 | // return writeRegister(MAX30205::THYST, value); |
lucaslwl | 22:5c07298d3383 | 97 | //} |
lucaslwl | 22:5c07298d3383 | 98 | // |
lucaslwl | 22:5c07298d3383 | 99 | // |
lucaslwl | 22:5c07298d3383 | 100 | ////****************************************************************************** |
lucaslwl | 22:5c07298d3383 | 101 | //int32_t MAX30205::readTOS(uint16_t &value) |
lucaslwl | 22:5c07298d3383 | 102 | //{ |
lucaslwl | 22:5c07298d3383 | 103 | // return readRegister(MAX30205::TOS, value); |
lucaslwl | 22:5c07298d3383 | 104 | //} |
lucaslwl | 22:5c07298d3383 | 105 | // |
lucaslwl | 22:5c07298d3383 | 106 | // |
lucaslwl | 22:5c07298d3383 | 107 | ////****************************************************************************** |
lucaslwl | 22:5c07298d3383 | 108 | //int32_t MAX30205::writeTOS(const uint16_t value) |
lucaslwl | 22:5c07298d3383 | 109 | //{ |
lucaslwl | 22:5c07298d3383 | 110 | // return writeRegister(MAX30205::TOS, value); |
lucaslwl | 22:5c07298d3383 | 111 | //} |
lucaslwl | 22:5c07298d3383 | 112 | // |
lucaslwl | 22:5c07298d3383 | 113 | // |
lucaslwl | 22:5c07298d3383 | 114 | ////****************************************************************************** |
lucaslwl | 22:5c07298d3383 | 115 | //float MAX30205::toCelsius(uint32_t rawTemp) |
lucaslwl | 22:5c07298d3383 | 116 | //{ |
lucaslwl | 22:5c07298d3383 | 117 | // uint8_t val1, val2; |
lucaslwl | 22:5c07298d3383 | 118 | // float result; |
lucaslwl | 22:5c07298d3383 | 119 | // |
lucaslwl | 22:5c07298d3383 | 120 | // val1 = (rawTemp >> 8); |
lucaslwl | 22:5c07298d3383 | 121 | // val2 = (rawTemp & 0xFF); |
lucaslwl | 22:5c07298d3383 | 122 | // |
lucaslwl | 22:5c07298d3383 | 123 | // result = static_cast<float>(val1 + (val2/ 256.0F)); |
lucaslwl | 22:5c07298d3383 | 124 | // |
lucaslwl | 22:5c07298d3383 | 125 | // return result; |
lucaslwl | 22:5c07298d3383 | 126 | //} |
lucaslwl | 22:5c07298d3383 | 127 | // |
lucaslwl | 22:5c07298d3383 | 128 | // |
lucaslwl | 22:5c07298d3383 | 129 | ////****************************************************************************** |
lucaslwl | 22:5c07298d3383 | 130 | //float MAX30205::toFahrenheit(float temperatureC) |
lucaslwl | 22:5c07298d3383 | 131 | //{ |
lucaslwl | 22:5c07298d3383 | 132 | // return((temperatureC * 1.8F) + 32.0f); |
lucaslwl | 22:5c07298d3383 | 133 | //} |
lucaslwl | 22:5c07298d3383 | 134 | // |
lucaslwl | 22:5c07298d3383 | 135 | // |
lucaslwl | 22:5c07298d3383 | 136 | ////****************************************************************************** |
lucaslwl | 22:5c07298d3383 | 137 | //int32_t MAX30205::writeRegister(Registers_e reg, uint16_t value) |
lucaslwl | 22:5c07298d3383 | 138 | //{ |
lucaslwl | 22:5c07298d3383 | 139 | // int32_t result; |
lucaslwl | 22:5c07298d3383 | 140 | // |
lucaslwl | 22:5c07298d3383 | 141 | // uint8_t hi = ((value >> 8) & 0xFF); |
lucaslwl | 22:5c07298d3383 | 142 | // uint8_t lo = (value & 0xFF); |
lucaslwl | 22:5c07298d3383 | 143 | // char cmdData[3] = {reg, hi, lo}; |
lucaslwl | 22:5c07298d3383 | 144 | // |
lucaslwl | 22:5c07298d3383 | 145 | // result = m_i2c.write(m_writeAddress, cmdData, 3); |
lucaslwl | 22:5c07298d3383 | 146 | // |
lucaslwl | 22:5c07298d3383 | 147 | // return result; |
lucaslwl | 22:5c07298d3383 | 148 | //} |
lucaslwl | 22:5c07298d3383 | 149 | // |
lucaslwl | 22:5c07298d3383 | 150 | // |
lucaslwl | 22:5c07298d3383 | 151 | ////****************************************************************************** |
lucaslwl | 22:5c07298d3383 | 152 | //int32_t MAX30205::readRegister(Registers_e reg, uint16_t &value) |
lucaslwl | 22:5c07298d3383 | 153 | //{ |
lucaslwl | 22:5c07298d3383 | 154 | // int32_t result; |
lucaslwl | 22:5c07298d3383 | 155 | // |
lucaslwl | 22:5c07298d3383 | 156 | // char data[2]; |
lucaslwl | 22:5c07298d3383 | 157 | // char cmdData[1] = {reg}; |
lucaslwl | 22:5c07298d3383 | 158 | // |
lucaslwl | 22:5c07298d3383 | 159 | // result = m_i2c.write(m_writeAddress, cmdData, 1); |
lucaslwl | 22:5c07298d3383 | 160 | // if(result == 0) |
lucaslwl | 22:5c07298d3383 | 161 | // { |
lucaslwl | 22:5c07298d3383 | 162 | // result = m_i2c.read(m_readAddress, data, 2); |
lucaslwl | 22:5c07298d3383 | 163 | // if (result == 0) |
lucaslwl | 22:5c07298d3383 | 164 | // { |
lucaslwl | 22:5c07298d3383 | 165 | // value = (data[0] << 8) + data[1]; |
lucaslwl | 22:5c07298d3383 | 166 | // } |
lucaslwl | 22:5c07298d3383 | 167 | // } |
lucaslwl | 22:5c07298d3383 | 168 | // |
lucaslwl | 22:5c07298d3383 | 169 | // return result; |
lucaslwl | 22:5c07298d3383 | 170 | //} |
lucaslwl | 22:5c07298d3383 | 171 | |
lucaslwl | 22:5c07298d3383 | 172 | |
lucaslwl | 22:5c07298d3383 | 173 | /******************************************************************************* |
lucaslwl | 22:5c07298d3383 | 174 | * Copyright (C) 2016 Maxim Integrated Products, Inc., All Rights Reserved. |
lucaslwl | 22:5c07298d3383 | 175 | * |
lucaslwl | 22:5c07298d3383 | 176 | * Permission is hereby granted, free of charge, to any person obtaining a |
lucaslwl | 22:5c07298d3383 | 177 | * copy of this software and associated documentation files (the "Software"), |
lucaslwl | 22:5c07298d3383 | 178 | * to deal in the Software without restriction, including without limitation |
lucaslwl | 22:5c07298d3383 | 179 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
lucaslwl | 22:5c07298d3383 | 180 | * and/or sell copies of the Software, and to permit persons to whom the |
lucaslwl | 22:5c07298d3383 | 181 | * Software is furnished to do so, subject to the following conditions: |
lucaslwl | 22:5c07298d3383 | 182 | * |
lucaslwl | 22:5c07298d3383 | 183 | * The above copyright notice and this permission notice shall be included |
lucaslwl | 22:5c07298d3383 | 184 | * in all copies or substantial portions of the Software. |
lucaslwl | 22:5c07298d3383 | 185 | * |
lucaslwl | 22:5c07298d3383 | 186 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
lucaslwl | 22:5c07298d3383 | 187 | * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
lucaslwl | 22:5c07298d3383 | 188 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. |
lucaslwl | 22:5c07298d3383 | 189 | * IN NO EVENT SHALL MAXIM INTEGRATED BE LIABLE FOR ANY CLAIM, DAMAGES |
lucaslwl | 22:5c07298d3383 | 190 | * OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
lucaslwl | 22:5c07298d3383 | 191 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
lucaslwl | 22:5c07298d3383 | 192 | * OTHER DEALINGS IN THE SOFTWARE. |
lucaslwl | 22:5c07298d3383 | 193 | * |
lucaslwl | 22:5c07298d3383 | 194 | * Except as contained in this notice, the name of Maxim Integrated |
lucaslwl | 22:5c07298d3383 | 195 | * Products, Inc. shall not be used except as stated in the Maxim Integrated |
lucaslwl | 22:5c07298d3383 | 196 | * Products, Inc. Branding Policy. |
lucaslwl | 22:5c07298d3383 | 197 | * |
lucaslwl | 22:5c07298d3383 | 198 | * The mere transfer of this software does not imply any licenses |
lucaslwl | 22:5c07298d3383 | 199 | * of trade secrets, proprietary technology, copyrights, patents, |
lucaslwl | 22:5c07298d3383 | 200 | * trademarks, maskwork rights, or any other form of intellectual |
lucaslwl | 22:5c07298d3383 | 201 | * property whatsoever. Maxim Integrated Products, Inc. retains all |
lucaslwl | 22:5c07298d3383 | 202 | * ownership rights. |
lucaslwl | 22:5c07298d3383 | 203 | ******************************************************************************* |
lucaslwl | 22:5c07298d3383 | 204 | */ |
lucaslwl | 22:5c07298d3383 | 205 | #include "MAX30205.h" |
lucaslwl | 22:5c07298d3383 | 206 | |
lucaslwl | 22:5c07298d3383 | 207 | //****************************************************************************** |
lucaslwl | 22:5c07298d3383 | 208 | MAX30205::MAX30205(PinName sda, PinName scl, int slaveAddress) : |
lucaslwl | 22:5c07298d3383 | 209 | slaveAddress(slaveAddress) { |
lucaslwl | 22:5c07298d3383 | 210 | i2c = new I2C(sda, scl); |
lucaslwl | 22:5c07298d3383 | 211 | isOwner = true; |
lucaslwl | 22:5c07298d3383 | 212 | i2c->frequency(100000); |
lucaslwl | 22:5c07298d3383 | 213 | } |
lucaslwl | 22:5c07298d3383 | 214 | |
lucaslwl | 22:5c07298d3383 | 215 | //****************************************************************************** |
lucaslwl | 22:5c07298d3383 | 216 | MAX30205::MAX30205(I2C *i2c, int slaveAddress) : slaveAddress(slaveAddress) { |
lucaslwl | 22:5c07298d3383 | 217 | this->i2c = i2c; |
lucaslwl | 22:5c07298d3383 | 218 | i2c->frequency(100000); |
lucaslwl | 22:5c07298d3383 | 219 | isOwner = false; |
lucaslwl | 22:5c07298d3383 | 220 | } |
lucaslwl | 22:5c07298d3383 | 221 | |
lucaslwl | 22:5c07298d3383 | 222 | //****************************************************************************** |
lucaslwl | 22:5c07298d3383 | 223 | MAX30205::~MAX30205(void) { |
lucaslwl | 22:5c07298d3383 | 224 | if (isOwner == true) { |
lucaslwl | 22:5c07298d3383 | 225 | delete i2c; |
lucaslwl | 22:5c07298d3383 | 226 | } |
lucaslwl | 22:5c07298d3383 | 227 | } |
lucaslwl | 22:5c07298d3383 | 228 | |
lucaslwl | 22:5c07298d3383 | 229 | //****************************************************************************** |
lucaslwl | 22:5c07298d3383 | 230 | int MAX30205::reg_write(char reg, char value) { |
lucaslwl | 22:5c07298d3383 | 231 | int result; |
lucaslwl | 22:5c07298d3383 | 232 | char cmdData[2] = {(char)reg, value}; |
lucaslwl | 22:5c07298d3383 | 233 | result = i2c->write(slaveAddress, cmdData, 2); |
lucaslwl | 22:5c07298d3383 | 234 | if (result != 0){ |
lucaslwl | 22:5c07298d3383 | 235 | return -1; |
lucaslwl | 22:5c07298d3383 | 236 | } |
lucaslwl | 22:5c07298d3383 | 237 | return 0; |
lucaslwl | 22:5c07298d3383 | 238 | } |
lucaslwl | 22:5c07298d3383 | 239 | |
lucaslwl | 22:5c07298d3383 | 240 | //****************************************************************************** |
lucaslwl | 22:5c07298d3383 | 241 | int MAX30205::reg_write16(char reg, uint16_t value) { |
lucaslwl | 22:5c07298d3383 | 242 | int result; |
lucaslwl | 22:5c07298d3383 | 243 | char hi = (value >> 8) & 0xFF; |
lucaslwl | 22:5c07298d3383 | 244 | char lo = value & 0xFF; |
lucaslwl | 22:5c07298d3383 | 245 | char cmdData[3] = {reg, hi, lo}; |
lucaslwl | 22:5c07298d3383 | 246 | result = i2c->write(slaveAddress, cmdData, 3); |
lucaslwl | 22:5c07298d3383 | 247 | if (result != 0) { |
lucaslwl | 22:5c07298d3383 | 248 | return -1; |
lucaslwl | 22:5c07298d3383 | 249 | } |
lucaslwl | 22:5c07298d3383 | 250 | return 0; |
lucaslwl | 22:5c07298d3383 | 251 | } |
lucaslwl | 22:5c07298d3383 | 252 | |
lucaslwl | 22:5c07298d3383 | 253 | //****************************************************************************** |
lucaslwl | 22:5c07298d3383 | 254 | int MAX30205::reg_read(char reg, char *value) { |
lucaslwl | 22:5c07298d3383 | 255 | int result; |
lucaslwl | 22:5c07298d3383 | 256 | char cmdData[1] = {reg}; |
lucaslwl | 22:5c07298d3383 | 257 | |
lucaslwl | 22:5c07298d3383 | 258 | result = i2c->write(slaveAddress, cmdData, 1); |
lucaslwl | 22:5c07298d3383 | 259 | if (result != 0) { |
lucaslwl | 22:5c07298d3383 | 260 | return -1; |
lucaslwl | 22:5c07298d3383 | 261 | } |
lucaslwl | 22:5c07298d3383 | 262 | result = i2c->read(slaveAddress, value, 1); |
lucaslwl | 22:5c07298d3383 | 263 | if (result != 0){ |
lucaslwl | 22:5c07298d3383 | 264 | return -1; |
lucaslwl | 22:5c07298d3383 | 265 | } |
lucaslwl | 22:5c07298d3383 | 266 | return 0; |
lucaslwl | 22:5c07298d3383 | 267 | } |
lucaslwl | 22:5c07298d3383 | 268 | |
lucaslwl | 22:5c07298d3383 | 269 | //****************************************************************************** |
lucaslwl | 22:5c07298d3383 | 270 | int MAX30205::reg_read16(char reg, uint16_t *value) { |
lucaslwl | 22:5c07298d3383 | 271 | int result; |
lucaslwl | 22:5c07298d3383 | 272 | char data[2]; |
lucaslwl | 22:5c07298d3383 | 273 | char cmdData[1] = {reg}; |
lucaslwl | 22:5c07298d3383 | 274 | result = i2c->write(slaveAddress, cmdData, 1); |
lucaslwl | 22:5c07298d3383 | 275 | if (result != 0) { |
lucaslwl | 22:5c07298d3383 | 276 | return -1; |
lucaslwl | 22:5c07298d3383 | 277 | } |
lucaslwl | 22:5c07298d3383 | 278 | result = i2c->read(slaveAddress, data, 2); |
lucaslwl | 22:5c07298d3383 | 279 | if (result != 0) { |
lucaslwl | 22:5c07298d3383 | 280 | return -1; |
lucaslwl | 22:5c07298d3383 | 281 | } |
lucaslwl | 22:5c07298d3383 | 282 | *value = (data[0] << 8) + data[1]; |
lucaslwl | 22:5c07298d3383 | 283 | return 0; |
lucaslwl | 22:5c07298d3383 | 284 | } |
lucaslwl | 22:5c07298d3383 | 285 | |
lucaslwl | 22:5c07298d3383 | 286 | //****************************************************************************** |
lucaslwl | 22:5c07298d3383 | 287 | int MAX30205::readTemperature(uint16_t *value) { |
lucaslwl | 22:5c07298d3383 | 288 | uint8_t data[2]; |
lucaslwl | 22:5c07298d3383 | 289 | int status; |
lucaslwl | 22:5c07298d3383 | 290 | status = reg_read16(MAX30205_Temperature, (uint16_t *)&data); |
lucaslwl | 22:5c07298d3383 | 291 | *value = (data[0] << 8) + data[1]; |
lucaslwl | 22:5c07298d3383 | 292 | return status; |
lucaslwl | 22:5c07298d3383 | 293 | } |
lucaslwl | 22:5c07298d3383 | 294 | |
lucaslwl | 22:5c07298d3383 | 295 | //****************************************************************************** |
lucaslwl | 22:5c07298d3383 | 296 | float MAX30205::toCelsius(unsigned int rawTemp) { |
lucaslwl | 22:5c07298d3383 | 297 | float val; |
lucaslwl | 22:5c07298d3383 | 298 | float val1, val2; |
lucaslwl | 22:5c07298d3383 | 299 | val1 = (float)(rawTemp >> 8); |
lucaslwl | 22:5c07298d3383 | 300 | val2 = (float)(rawTemp & 0xFF); |
lucaslwl | 22:5c07298d3383 | 301 | val = val2 + (val1 / 256.0f); |
lucaslwl | 22:5c07298d3383 | 302 | return val; |
lucaslwl | 22:5c07298d3383 | 303 | } |
lucaslwl | 22:5c07298d3383 | 304 | |
lucaslwl | 22:5c07298d3383 | 305 | //****************************************************************************** |
lucaslwl | 22:5c07298d3383 | 306 | float MAX30205::toFahrenheit(float temperatureC) { |
lucaslwl | 22:5c07298d3383 | 307 | return temperatureC * 9.0f / 5.0f + 32.0f; |
lucaslwl | 22:5c07298d3383 | 308 | } |
lucaslwl | 22:5c07298d3383 | 309 | |
lucaslwl | 22:5c07298d3383 | 310 | //****************************************************************************** |
lucaslwl | 22:5c07298d3383 | 311 | int MAX30205::reg_THYST_Read(uint16_t *value) { |
lucaslwl | 22:5c07298d3383 | 312 | return reg_read16(MAX30205_THYST, value); |
lucaslwl | 22:5c07298d3383 | 313 | } |
lucaslwl | 22:5c07298d3383 | 314 | |
lucaslwl | 22:5c07298d3383 | 315 | //****************************************************************************** |
lucaslwl | 22:5c07298d3383 | 316 | int MAX30205::reg_THYST_Write(uint16_t value) { |
lucaslwl | 22:5c07298d3383 | 317 | return reg_write16(MAX30205_THYST, value); |
lucaslwl | 22:5c07298d3383 | 318 | } |