Maxim Integrated / MAX30101

Library for MAX30101 SpO2 and heart rate sensor

Dependents:   HeartRate HeartRate proj final_project_ee119 ... more

MAX30101.cpp@1:9e2a3b4a24c7, 2017-04-13 (annotated)

Committer:
j3
Date:
Thu Apr 13 23:46:22 2017 +0000
Revision:
1:9e2a3b4a24c7
Parent:
0:2d0c91de9279
Child:
2:0db1f3bec727
NA

Who changed what in which revision?

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j3 0:2d0c91de9279 1 /*******************************************************************************
j3 0:2d0c91de9279 2 * Copyright (C) 2017 Maxim Integrated Products, Inc., All Rights Reserved.
j3 0:2d0c91de9279 3 *
j3 0:2d0c91de9279 4 * Permission is hereby granted, free of charge, to any person obtaining a
j3 0:2d0c91de9279 5 * copy of this software and associated documentation files (the "Software"),
j3 0:2d0c91de9279 6 * to deal in the Software without restriction, including without limitation
j3 0:2d0c91de9279 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
j3 0:2d0c91de9279 8 * and/or sell copies of the Software, and to permit persons to whom the
j3 0:2d0c91de9279 9 * Software is furnished to do so, subject to the following conditions:
j3 0:2d0c91de9279 10 *
j3 0:2d0c91de9279 11 * The above copyright notice and this permission notice shall be included
j3 0:2d0c91de9279 12 * in all copies or substantial portions of the Software.
j3 0:2d0c91de9279 13 *
j3 0:2d0c91de9279 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
j3 0:2d0c91de9279 15 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
j3 0:2d0c91de9279 16 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
j3 0:2d0c91de9279 17 * IN NO EVENT SHALL MAXIM INTEGRATED BE LIABLE FOR ANY CLAIM, DAMAGES
j3 0:2d0c91de9279 18 * OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
j3 0:2d0c91de9279 19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
j3 0:2d0c91de9279 20 * OTHER DEALINGS IN THE SOFTWARE.
j3 0:2d0c91de9279 21 *
j3 0:2d0c91de9279 22 * Except as contained in this notice, the name of Maxim Integrated
j3 0:2d0c91de9279 23 * Products, Inc. shall not be used except as stated in the Maxim Integrated
j3 0:2d0c91de9279 24 * Products, Inc. Branding Policy.
j3 0:2d0c91de9279 25 *
j3 0:2d0c91de9279 26 * The mere transfer of this software does not imply any licenses
j3 0:2d0c91de9279 27 * of trade secrets, proprietary technology, copyrights, patents,
j3 0:2d0c91de9279 28 * trademarks, maskwork rights, or any other form of intellectual
j3 0:2d0c91de9279 29 * property whatsoever. Maxim Integrated Products, Inc. retains all
j3 0:2d0c91de9279 30 * ownership rights.
j3 0:2d0c91de9279 31 *******************************************************************************
j3 0:2d0c91de9279 32 */
j3 0:2d0c91de9279 33
j3 0:2d0c91de9279 34
j3 0:2d0c91de9279 35 #include "MAX30101.h"
j3 0:2d0c91de9279 36
j3 0:2d0c91de9279 37
j3 0:2d0c91de9279 38 //*****************************************************************************
j3 0:2d0c91de9279 39 MAX30101::MAX30101(PinName sda, PinName scl):
j3 0:2d0c91de9279 40 m_i2cBus(sda, scl)
j3 0:2d0c91de9279 41 {
j3 0:2d0c91de9279 42 //empty block
j3 0:2d0c91de9279 43 }
j3 0:2d0c91de9279 44
j3 0:2d0c91de9279 45
j3 0:2d0c91de9279 46 //*****************************************************************************
j3 0:2d0c91de9279 47 MAX30101::MAX30101(I2C &i2c):
j3 0:2d0c91de9279 48 m_i2cBus(i2c)
j3 0:2d0c91de9279 49 {
j3 0:2d0c91de9279 50 //empty block
j3 0:2d0c91de9279 51 }
j3 0:2d0c91de9279 52
j3 0:2d0c91de9279 53
j3 0:2d0c91de9279 54 //*****************************************************************************
j3 0:2d0c91de9279 55 MAX30101::~MAX30101()
j3 0:2d0c91de9279 56 {
j3 0:2d0c91de9279 57 //empty block
j3 0:2d0c91de9279 58 }
j3 0:2d0c91de9279 59
j3 0:2d0c91de9279 60
j3 0:2d0c91de9279 61 //*****************************************************************************
j3 0:2d0c91de9279 62 int32_t MAX30101::enableInterrupts(const InterruptBitField_u data)
j3 0:2d0c91de9279 63 {
j3 0:2d0c91de9279 64 char cmdData[3] = {InterruptEnable1, (data.all & 0xF0), (data.all & 0x02)};
j3 0:2d0c91de9279 65
j3 0:2d0c91de9279 66 return m_i2cBus.write(I2C_W_ADRS, cmdData, 3);
j3 0:2d0c91de9279 67 }
j3 0:2d0c91de9279 68
j3 0:2d0c91de9279 69
j3 0:2d0c91de9279 70 //*****************************************************************************
j3 0:2d0c91de9279 71 int32_t MAX30101::getInterruptStatus(InterruptBitField_u &data)
j3 0:2d0c91de9279 72 {
j3 0:2d0c91de9279 73 char local_data[3];
j3 0:2d0c91de9279 74 local_data[0] = InterruptStatus1;
j3 0:2d0c91de9279 75
j3 0:2d0c91de9279 76 int32_t result = m_i2cBus.write(I2C_W_ADRS, local_data, 1);
j3 0:2d0c91de9279 77 if(result == 0)
j3 0:2d0c91de9279 78 {
j3 0:2d0c91de9279 79 result = m_i2cBus.read(I2C_R_ADRS, (local_data + 1), 2);
j3 0:2d0c91de9279 80 if(result == 0)
j3 0:2d0c91de9279 81 {
j3 0:2d0c91de9279 82 data.all = local_data[1] + local_data[2];
j3 0:2d0c91de9279 83 }
j3 0:2d0c91de9279 84 }
j3 0:2d0c91de9279 85
j3 0:2d0c91de9279 86 return result;
j3 0:2d0c91de9279 87 }
j3 0:2d0c91de9279 88
j3 0:2d0c91de9279 89
j3 0:2d0c91de9279 90 //*****************************************************************************
j3 1:9e2a3b4a24c7 91 int32_t MAX30101::setFIFOConfiguration(const FIFO_Configuration_u config)
j3 1:9e2a3b4a24c7 92 {
j3 1:9e2a3b4a24c7 93 return -1;
j3 1:9e2a3b4a24c7 94 }
j3 1:9e2a3b4a24c7 95
j3 1:9e2a3b4a24c7 96
j3 1:9e2a3b4a24c7 97 //*****************************************************************************
j3 1:9e2a3b4a24c7 98 int32_t MAX30101::getFIFOConfiguration(FIFO_Configuration_u &config)
j3 1:9e2a3b4a24c7 99 {
j3 1:9e2a3b4a24c7 100 return -1;
j3 1:9e2a3b4a24c7 101 }
j3 1:9e2a3b4a24c7 102
j3 1:9e2a3b4a24c7 103
j3 1:9e2a3b4a24c7 104 //*****************************************************************************
j3 1:9e2a3b4a24c7 105 int32_t MAX30101::setModeConfiguration(const ModeConfiguration_u config)
j3 1:9e2a3b4a24c7 106 {
j3 1:9e2a3b4a24c7 107 return -1;
j3 1:9e2a3b4a24c7 108 }
j3 1:9e2a3b4a24c7 109
j3 1:9e2a3b4a24c7 110
j3 1:9e2a3b4a24c7 111 //*****************************************************************************
j3 1:9e2a3b4a24c7 112 int32_t MAX30101::getModeConfiguration(ModeConfiguration_u &config)
j3 1:9e2a3b4a24c7 113 {
j3 1:9e2a3b4a24c7 114 return -1;
j3 1:9e2a3b4a24c7 115 }
j3 1:9e2a3b4a24c7 116
j3 1:9e2a3b4a24c7 117
j3 1:9e2a3b4a24c7 118 //*****************************************************************************
j3 1:9e2a3b4a24c7 119 int32_t MAX30101::setSpO2Configuration(const SpO2Configuration_u config)
j3 1:9e2a3b4a24c7 120 {
j3 1:9e2a3b4a24c7 121 return -1;
j3 1:9e2a3b4a24c7 122 }
j3 1:9e2a3b4a24c7 123
j3 1:9e2a3b4a24c7 124
j3 1:9e2a3b4a24c7 125 //*****************************************************************************
j3 1:9e2a3b4a24c7 126 int32_t MAX30101::getSpO2Configuration(SpO2Configuration_u &config)
j3 1:9e2a3b4a24c7 127 {
j3 1:9e2a3b4a24c7 128 return -1;
j3 1:9e2a3b4a24c7 129 }
j3 1:9e2a3b4a24c7 130
j3 1:9e2a3b4a24c7 131
j3 1:9e2a3b4a24c7 132 //*****************************************************************************
j3 1:9e2a3b4a24c7 133 int32_t MAX30101::setLEDPulseAmplitude(Registers_e reg, const uint8_t amp)
j3 1:9e2a3b4a24c7 134 {
j3 1:9e2a3b4a24c7 135 return -1;
j3 1:9e2a3b4a24c7 136 }
j3 1:9e2a3b4a24c7 137
j3 1:9e2a3b4a24c7 138
j3 1:9e2a3b4a24c7 139 //*****************************************************************************
j3 1:9e2a3b4a24c7 140 int32_t MAX30101::getLEDPulseAmplitude(Registers_e reg, uint8_t &amp)
j3 1:9e2a3b4a24c7 141 {
j3 1:9e2a3b4a24c7 142 return -1;
j3 1:9e2a3b4a24c7 143 }
j3 1:9e2a3b4a24c7 144
j3 1:9e2a3b4a24c7 145
j3 1:9e2a3b4a24c7 146 //*****************************************************************************
j3 1:9e2a3b4a24c7 147 int32_t MAX30101::setMultiLEDModeControl(Registers_e reg, const ModeControlReg_u data)
j3 1:9e2a3b4a24c7 148 {
j3 1:9e2a3b4a24c7 149 return -1;
j3 1:9e2a3b4a24c7 150 }
j3 1:9e2a3b4a24c7 151
j3 1:9e2a3b4a24c7 152
j3 1:9e2a3b4a24c7 153 //*****************************************************************************
j3 1:9e2a3b4a24c7 154 int32_t MAX30101::getMultiLEDModeControl(Registers_e reg, ModeControlReg_u &data)
j3 1:9e2a3b4a24c7 155 {
j3 1:9e2a3b4a24c7 156 return -1;
j3 1:9e2a3b4a24c7 157 }
j3 1:9e2a3b4a24c7 158
j3 1:9e2a3b4a24c7 159
j3 1:9e2a3b4a24c7 160 //*****************************************************************************
j3 1:9e2a3b4a24c7 161 int32_t MAX30101::getDieTemperature(uint16_t &data)
j3 1:9e2a3b4a24c7 162 {
j3 1:9e2a3b4a24c7 163 return -1;
j3 1:9e2a3b4a24c7 164 }
j3 1:9e2a3b4a24c7 165
j3 1:9e2a3b4a24c7 166
j3 1:9e2a3b4a24c7 167 //*****************************************************************************
j3 1:9e2a3b4a24c7 168 int32_t MAX30101::getDieTemperatureC(float &data)
j3 1:9e2a3b4a24c7 169 {
j3 1:9e2a3b4a24c7 170 return -1;
j3 1:9e2a3b4a24c7 171 }
j3 1:9e2a3b4a24c7 172
j3 1:9e2a3b4a24c7 173
j3 1:9e2a3b4a24c7 174 //*****************************************************************************
j3 1:9e2a3b4a24c7 175 float MAX30101::celsius2fahrenheit(float c)
j3 1:9e2a3b4a24c7 176 {
j3 1:9e2a3b4a24c7 177 return 0.0F;
j3 1:9e2a3b4a24c7 178 }
j3 1:9e2a3b4a24c7 179
j3 1:9e2a3b4a24c7 180
j3 1:9e2a3b4a24c7 181 //*****************************************************************************
j3 1:9e2a3b4a24c7 182 int32_t MAX30101::setProxIntThreshold(const uint8_t data)
j3 1:9e2a3b4a24c7 183 {
j3 1:9e2a3b4a24c7 184 return -1;
j3 1:9e2a3b4a24c7 185 }
j3 1:9e2a3b4a24c7 186
j3 1:9e2a3b4a24c7 187
j3 1:9e2a3b4a24c7 188 //*****************************************************************************
j3 1:9e2a3b4a24c7 189 int32_t MAX30101::getProxIntThreshold(uint8_t &data)
j3 1:9e2a3b4a24c7 190 {
j3 1:9e2a3b4a24c7 191 return -1;
j3 1:9e2a3b4a24c7 192 }
j3 1:9e2a3b4a24c7 193
j3 1:9e2a3b4a24c7 194
j3 1:9e2a3b4a24c7 195 //*****************************************************************************
j3 0:2d0c91de9279 196 int32_t MAX30101::writeRegister(Registers_e reg, uint8_t value)
j3 0:2d0c91de9279 197 {
j3 0:2d0c91de9279 198 char local_data[2] = {reg, value};
j3 0:2d0c91de9279 199
j3 0:2d0c91de9279 200 return m_i2cBus.write(I2C_W_ADRS, local_data, 2);
j3 0:2d0c91de9279 201 }
j3 0:2d0c91de9279 202
j3 0:2d0c91de9279 203
j3 0:2d0c91de9279 204 //*****************************************************************************
j3 0:2d0c91de9279 205 int32_t MAX30101::readRegister(Registers_e reg, uint8_t &value)
j3 0:2d0c91de9279 206 {
j3 0:2d0c91de9279 207 int32_t result;
j3 0:2d0c91de9279 208
j3 0:2d0c91de9279 209 char local_data[2];
j3 0:2d0c91de9279 210 local_data[0] = reg;
j3 0:2d0c91de9279 211
j3 0:2d0c91de9279 212 result = m_i2cBus.write(I2C_W_ADRS, local_data, 1);
j3 0:2d0c91de9279 213 if(result == 0)
j3 0:2d0c91de9279 214 {
j3 0:2d0c91de9279 215 result = m_i2cBus.read(I2C_R_ADRS, (local_data + 1), 1);
j3 0:2d0c91de9279 216 if (result == 0)
j3 0:2d0c91de9279 217 {
j3 0:2d0c91de9279 218 value = local_data[1];
j3 0:2d0c91de9279 219 }
j3 0:2d0c91de9279 220 }
j3 0:2d0c91de9279 221
j3 0:2d0c91de9279 222 return result;
j3 0:2d0c91de9279 223 }
j3 0:2d0c91de9279 224