Diff: MAX30205/MAX30205.cpp

Revision:

22:5c07298d3383

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/MAX30205/MAX30205.cpp	Mon Aug 26 08:11:41 2019 +0000
@@ -0,0 +1,318 @@
+///*******************************************************************************
+// * Copyright (C) 2017 Maxim Integrated Products, Inc., All Rights Reserved.
+// *
+// * Permission is hereby granted, free of charge, to any person obtaining a
+// * copy of this software and associated documentation files (the "Software"),
+// * to deal in the Software without restriction, including without limitation
+// * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+// * and/or sell copies of the Software, and to permit persons to whom the
+// * Software is furnished to do so, subject to the following conditions:
+// *
+// * The above copyright notice and this permission notice shall be included
+// * in all copies or substantial portions of the Software.
+// *
+// * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+// * IN NO EVENT SHALL MAXIM INTEGRATED BE LIABLE FOR ANY CLAIM, DAMAGES
+// * OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+// * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+// * OTHER DEALINGS IN THE SOFTWARE.
+// *
+// * Except as contained in this notice, the name of Maxim Integrated
+// * Products, Inc. shall not be used except as stated in the Maxim Integrated
+// * Products, Inc. Branding Policy.
+// *
+// * The mere transfer of this software does not imply any licenses
+// * of trade secrets, proprietary technology, copyrights, patents,
+// * trademarks, maskwork rights, or any other form of intellectual
+// * property whatsoever. Maxim Integrated Products, Inc. retains all
+// * ownership rights.
+// *******************************************************************************
+// */
+// 
+// 
+//#include "MAX30205.h"
+//
+//
+////******************************************************************************
+//MAX30205::MAX30205(I2C &i2c, uint8_t slaveAddress): 
+//m_i2c(i2c), m_writeAddress(slaveAddress << 1), 
+//m_readAddress((slaveAddress << 1) | 1)
+//{
+//}
+//
+//
+////******************************************************************************
+//MAX30205::~MAX30205(void) 
+//{
+//  //empty block
+//}
+//
+//
+////******************************************************************************
+//int32_t MAX30205::readTemperature(uint16_t &value) 
+//{
+//  return readRegister(MAX30205::Temperature, value);
+//
+//}
+//
+//
+////******************************************************************************
+//int32_t MAX30205::readConfiguration(Configuration_u &config)
+//{
+//    uint16_t data;
+//    
+//    int32_t result = readRegister(MAX30205::Configuration, data);
+//    if(result == 0)
+//    {
+//        config.all = (0x00FF & data);
+//    }
+//    
+//    return result;
+//    
+//}
+//
+//
+////******************************************************************************    
+//int32_t MAX30205::writeConfiguration(const Configuration_u config)
+//{
+//    uint16_t local_config = (0x00FF & config.all);
+//    
+//    return writeRegister(MAX30205::Configuration, local_config);
+//}
+//
+//
+////******************************************************************************
+//int32_t MAX30205::readTHYST(uint16_t &value) 
+//{
+//  return readRegister(MAX30205::THYST, value);
+//}
+//
+//
+////******************************************************************************
+//int32_t MAX30205::writeTHYST(uint16_t value) 
+//{
+//  return writeRegister(MAX30205::THYST, value);
+//}
+//
+//
+////******************************************************************************
+//int32_t MAX30205::readTOS(uint16_t &value)
+//{
+//    return readRegister(MAX30205::TOS, value);
+//}
+//
+//
+////******************************************************************************
+//int32_t MAX30205::writeTOS(const uint16_t value)
+//{
+//    return writeRegister(MAX30205::TOS, value);
+//}
+//
+//
+////******************************************************************************
+//float MAX30205::toCelsius(uint32_t rawTemp) 
+//{
+//  uint8_t val1, val2;
+//  float result;
+//  
+//  val1 = (rawTemp >> 8);
+//  val2 = (rawTemp & 0xFF);
+//  
+//  result = static_cast<float>(val1 + (val2/ 256.0F));
+//  
+//  return result;
+//}
+//
+//
+////******************************************************************************
+//float MAX30205::toFahrenheit(float temperatureC) 
+//{
+//  return((temperatureC * 1.8F) + 32.0f);
+//}
+//
+//
+////******************************************************************************
+//int32_t MAX30205::writeRegister(Registers_e reg, uint16_t value) 
+//{
+//  int32_t result;
+//  
+//  uint8_t hi = ((value >> 8) & 0xFF);
+//  uint8_t lo = (value & 0xFF);
+//  char cmdData[3] = {reg, hi, lo};
+//  
+//  result = m_i2c.write(m_writeAddress, cmdData, 3);
+//  
+//  return result;
+//}
+//
+//
+////******************************************************************************
+//int32_t MAX30205::readRegister(Registers_e reg, uint16_t &value) 
+//{
+//  int32_t result;
+//  
+//  char data[2];
+//  char cmdData[1] = {reg};
+//  
+//  result = m_i2c.write(m_writeAddress, cmdData, 1);
+//  if(result == 0)
+//  {
+//      result = m_i2c.read(m_readAddress, data, 2);
+//      if (result == 0)
+//      {
+//          value = (data[0] << 8) + data[1];
+//      }
+//  }
+//  
+//  return result;
+//}
+
+
+/*******************************************************************************
+ * Copyright (C) 2016 Maxim Integrated Products, Inc., All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL MAXIM INTEGRATED BE LIABLE FOR ANY CLAIM, DAMAGES
+ * OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Except as contained in this notice, the name of Maxim Integrated
+ * Products, Inc. shall not be used except as stated in the Maxim Integrated
+ * Products, Inc. Branding Policy.
+ *
+ * The mere transfer of this software does not imply any licenses
+ * of trade secrets, proprietary technology, copyrights, patents,
+ * trademarks, maskwork rights, or any other form of intellectual
+ * property whatsoever. Maxim Integrated Products, Inc. retains all
+ * ownership rights.
+ *******************************************************************************
+ */
+#include "MAX30205.h"
+
+//******************************************************************************
+MAX30205::MAX30205(PinName sda, PinName scl, int slaveAddress) : 
+          slaveAddress(slaveAddress) {
+  i2c = new I2C(sda, scl);
+  isOwner = true;
+  i2c->frequency(100000);
+}
+
+//******************************************************************************
+MAX30205::MAX30205(I2C *i2c, int slaveAddress) : slaveAddress(slaveAddress) {
+  this->i2c = i2c;
+  i2c->frequency(100000);
+  isOwner = false;
+}
+
+//******************************************************************************
+MAX30205::~MAX30205(void) {
+  if (isOwner == true) {
+    delete i2c;
+  }
+}
+
+//******************************************************************************
+int MAX30205::reg_write(char reg, char value) {
+  int result;
+  char cmdData[2] = {(char)reg, value};
+  result = i2c->write(slaveAddress, cmdData, 2);
+  if (result != 0){
+    return -1;
+  }
+  return 0;
+}
+
+//******************************************************************************
+int MAX30205::reg_write16(char reg, uint16_t value) {
+  int result;
+  char hi = (value >> 8) & 0xFF;
+  char lo = value & 0xFF;
+  char cmdData[3] = {reg, hi, lo};
+  result = i2c->write(slaveAddress, cmdData, 3);
+  if (result != 0) {
+    return -1;
+  }
+  return 0;
+}
+
+//******************************************************************************
+int MAX30205::reg_read(char reg, char *value) {
+  int result;
+  char cmdData[1] = {reg};
+
+  result = i2c->write(slaveAddress, cmdData, 1);
+  if (result != 0) {
+    return -1;
+  }
+  result = i2c->read(slaveAddress, value, 1);
+  if (result != 0){
+    return -1;
+  }
+  return 0;
+}
+
+//******************************************************************************
+int MAX30205::reg_read16(char reg, uint16_t *value) {
+  int result;
+  char data[2];
+  char cmdData[1] = {reg};
+  result = i2c->write(slaveAddress, cmdData, 1);
+  if (result != 0) {
+    return -1;
+  }
+  result = i2c->read(slaveAddress, data, 2);
+  if (result != 0) {
+    return -1;
+  }
+  *value = (data[0] << 8) + data[1];
+  return 0;
+}
+
+//******************************************************************************
+int MAX30205::readTemperature(uint16_t *value) {
+  uint8_t data[2];
+  int status;
+  status = reg_read16(MAX30205_Temperature, (uint16_t *)&data);
+  *value = (data[0] << 8) + data[1];
+  return status;
+}
+
+//******************************************************************************
+float MAX30205::toCelsius(unsigned int rawTemp) {
+  float val;
+  float val1, val2;
+  val1 = (float)(rawTemp >> 8);
+  val2 = (float)(rawTemp & 0xFF);
+  val = val2 + (val1 / 256.0f);
+  return val;
+}
+
+//******************************************************************************
+float MAX30205::toFahrenheit(float temperatureC) {
+  return temperatureC * 9.0f / 5.0f + 32.0f;
+}
+
+//******************************************************************************
+int MAX30205::reg_THYST_Read(uint16_t *value) {
+  return reg_read16(MAX30205_THYST, value);
+}
+
+//******************************************************************************
+int MAX30205::reg_THYST_Write(uint16_t value) {
+  return reg_write16(MAX30205_THYST, value);
+}