Maxim Integrated / MAX30003

Library for MAX30003

Dependents:   MAX_IOT_KIT MAX_IOT_KIT MAX30003WING_Demo_QRS_RK_Thread MAX30003WING_monitorhealth_beta_test1_ChannelID_5172021 ... more

MAX30003.cpp@1:313e09ea1738, 2017-06-29 (annotated)

Committer:
j3
Date:
Thu Jun 29 20:06:10 2017 +0000
Revision:
1:313e09ea1738
Parent:
0:5d58c707f629 
removed extra comments at end of file

Who changed what in which revision?

UserRevisionLine numberNew contents of line
j3 0:5d58c707f629 1 /*******************************************************************************
j3 0:5d58c707f629 2 * Copyright (C) 2017 Maxim Integrated Products, Inc., All Rights Reserved.
j3 0:5d58c707f629 3 *
j3 0:5d58c707f629 4 * Permission is hereby granted, free of charge, to any person obtaining a
j3 0:5d58c707f629 5 * copy of this software and associated documentation files (the "Software"),
j3 0:5d58c707f629 6 * to deal in the Software without restriction, including without limitation
j3 0:5d58c707f629 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
j3 0:5d58c707f629 8 * and/or sell copies of the Software, and to permit persons to whom the
j3 0:5d58c707f629 9 * Software is furnished to do so, subject to the following conditions:
j3 0:5d58c707f629 10 *
j3 0:5d58c707f629 11 * The above copyright notice and this permission notice shall be included
j3 0:5d58c707f629 12 * in all copies or substantial portions of the Software.
j3 0:5d58c707f629 13 *
j3 0:5d58c707f629 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
j3 0:5d58c707f629 15 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
j3 0:5d58c707f629 16 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
j3 0:5d58c707f629 17 * IN NO EVENT SHALL MAXIM INTEGRATED BE LIABLE FOR ANY CLAIM, DAMAGES
j3 0:5d58c707f629 18 * OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
j3 0:5d58c707f629 19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
j3 0:5d58c707f629 20 * OTHER DEALINGS IN THE SOFTWARE.
j3 0:5d58c707f629 21 *
j3 0:5d58c707f629 22 * Except as contained in this notice, the name of Maxim Integrated
j3 0:5d58c707f629 23 * Products, Inc. shall not be used except as stated in the Maxim Integrated
j3 0:5d58c707f629 24 * Products, Inc. Branding Policy.
j3 0:5d58c707f629 25 *
j3 0:5d58c707f629 26 * The mere transfer of this software does not imply any licenses
j3 0:5d58c707f629 27 * of trade secrets, proprietary technology, copyrights, patents,
j3 0:5d58c707f629 28 * trademarks, maskwork rights, or any other form of intellectual
j3 0:5d58c707f629 29 * property whatsoever. Maxim Integrated Products, Inc. retains all
j3 0:5d58c707f629 30 * ownership rights.
j3 0:5d58c707f629 31 *******************************************************************************
j3 0:5d58c707f629 32 */
j3 0:5d58c707f629 33
j3 0:5d58c707f629 34
j3 0:5d58c707f629 35 #include "MAX30003.h"
j3 0:5d58c707f629 36
j3 0:5d58c707f629 37
j3 0:5d58c707f629 38 //****************************************************************************
j3 0:5d58c707f629 39 MAX30003::MAX30003(SPI &spiBus, PinName cs):
j3 0:5d58c707f629 40 m_spiBus(spiBus), m_cs(cs, 1)
j3 0:5d58c707f629 41 {
j3 0:5d58c707f629 42 //empty block
j3 0:5d58c707f629 43 }
j3 0:5d58c707f629 44
j3 0:5d58c707f629 45 //****************************************************************************
j3 0:5d58c707f629 46 MAX30003::~MAX30003()
j3 0:5d58c707f629 47 {
j3 0:5d58c707f629 48 //empty block
j3 0:5d58c707f629 49 }
j3 0:5d58c707f629 50
j3 0:5d58c707f629 51 //****************************************************************************
j3 0:5d58c707f629 52 uint32_t MAX30003::readRegister(const Registers_e reg)
j3 0:5d58c707f629 53 {
j3 0:5d58c707f629 54 uint32_t data = 0;
j3 0:5d58c707f629 55
j3 0:5d58c707f629 56 m_cs = 0;
j3 0:5d58c707f629 57 m_spiBus.write((reg << 1) | 1);
j3 0:5d58c707f629 58 data |= (m_spiBus.write(0xFF) << 16);
j3 0:5d58c707f629 59 data |= (m_spiBus.write(0xFF) << 8);
j3 0:5d58c707f629 60 data |= m_spiBus.write(0xFF);
j3 0:5d58c707f629 61 m_cs = 1;
j3 0:5d58c707f629 62
j3 0:5d58c707f629 63 return data;
j3 0:5d58c707f629 64 }
j3 0:5d58c707f629 65
j3 0:5d58c707f629 66 //****************************************************************************
j3 0:5d58c707f629 67 void MAX30003::writeRegister(const Registers_e reg, const uint32_t data)
j3 0:5d58c707f629 68 {
j3 0:5d58c707f629 69 m_cs = 0;
j3 0:5d58c707f629 70 m_spiBus.write(reg << 1);
j3 0:5d58c707f629 71 m_spiBus.write((0x00FF0000 & data) >> 16);
j3 0:5d58c707f629 72 m_spiBus.write((0x0000FF00 & data) >> 8);
j3 0:5d58c707f629 73 m_spiBus.write( 0x000000FF & data);
j3 0:5d58c707f629 74 m_cs = 1;
j3 0:5d58c707f629 75 }
j3 0:5d58c707f629 76