Example host software for the Maxim Integrated MAX30101 high sensitivity Heart Rate Monitor chip. Hosted on the MAX32630FTHR FeatherWing micro-controller board.
Dependencies: MAX30101_Finger_Heart_Rate_SpO2_Monitor_Driver_Source_Code USBDevice max32630fthr
Fork of MAX30101_Heart_Rate_Sp02_Sensor_Chip by
main.cpp@1:9bb3378a9060, 2018-07-21 (annotated)
- Committer:
- phonemacro
- Date:
- Sat Jul 21 07:51:33 2018 +0000
- Revision:
- 1:9bb3378a9060
- Parent:
- 0:ec8835052a84
- Child:
- 2:ac57776eee7d
Initial commit for sample main program for the MAX30101 driver.
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
phonemacro | 0:ec8835052a84 | 1 | /******************************************************************************* |
phonemacro | 1:9bb3378a9060 | 2 | * Copyright (C) 2018 Maxim Integrated Products, Inc., All Rights Reserved. |
phonemacro | 1:9bb3378a9060 | 3 | * |
phonemacro | 1:9bb3378a9060 | 4 | * Permission is hereby granted, free of charge, to any person obtaining a |
phonemacro | 1:9bb3378a9060 | 5 | * copy of this software and associated documentation files (the "Software"), |
phonemacro | 1:9bb3378a9060 | 6 | * to deal in the Software without restriction, including without limitation |
phonemacro | 1:9bb3378a9060 | 7 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
phonemacro | 1:9bb3378a9060 | 8 | * and/or sell copies of the Software, and to permit persons to whom the |
phonemacro | 1:9bb3378a9060 | 9 | * Software is furnished to do so, subject to the following conditions: |
phonemacro | 1:9bb3378a9060 | 10 | * |
phonemacro | 1:9bb3378a9060 | 11 | * The above copyright notice and this permission notice shall be included |
phonemacro | 1:9bb3378a9060 | 12 | * in all copies or substantial portions of the Software. |
phonemacro | 1:9bb3378a9060 | 13 | * |
phonemacro | 1:9bb3378a9060 | 14 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
phonemacro | 1:9bb3378a9060 | 15 | * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
phonemacro | 1:9bb3378a9060 | 16 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. |
phonemacro | 1:9bb3378a9060 | 17 | * IN NO EVENT SHALL MAXIM INTEGRATED BE LIABLE FOR ANY CLAIM, DAMAGES |
phonemacro | 1:9bb3378a9060 | 18 | * OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
phonemacro | 1:9bb3378a9060 | 19 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
phonemacro | 1:9bb3378a9060 | 20 | * OTHER DEALINGS IN THE SOFTWARE. |
phonemacro | 1:9bb3378a9060 | 21 | * |
phonemacro | 1:9bb3378a9060 | 22 | * Except as contained in this notice, the name of Maxim Integrated |
phonemacro | 1:9bb3378a9060 | 23 | * Products, Inc. shall not be used except as stated in the Maxim Integrated |
phonemacro | 1:9bb3378a9060 | 24 | * Products, Inc. Branding Policy. |
phonemacro | 1:9bb3378a9060 | 25 | * |
phonemacro | 1:9bb3378a9060 | 26 | * The mere transfer of this software does not imply any licenses |
phonemacro | 1:9bb3378a9060 | 27 | * of trade secrets, proprietary technology, copyrights, patents, |
phonemacro | 1:9bb3378a9060 | 28 | * trademarks, maskwork rights, or any other form of intellectual |
phonemacro | 1:9bb3378a9060 | 29 | * property whatsoever. Maxim Integrated Products, Inc. retains all |
phonemacro | 1:9bb3378a9060 | 30 | * ownership rights. |
phonemacro | 1:9bb3378a9060 | 31 | ******************************************************************************* |
phonemacro | 1:9bb3378a9060 | 32 | */ |
phonemacro | 0:ec8835052a84 | 33 | #include "mbed.h" |
phonemacro | 0:ec8835052a84 | 34 | #include "max32630fthr.h" |
phonemacro | 0:ec8835052a84 | 35 | #include "MAX30101.h" |
phonemacro | 1:9bb3378a9060 | 36 | #include "USBSerial.h" |
phonemacro | 0:ec8835052a84 | 37 | |
phonemacro | 0:ec8835052a84 | 38 | MAX32630FTHR pegasus(MAX32630FTHR::VIO_1V8); // Change the GPIOs from 3.3V to 1.8V |
phonemacro | 0:ec8835052a84 | 39 | |
phonemacro | 0:ec8835052a84 | 40 | DigitalOut rLED(LED1); |
phonemacro | 0:ec8835052a84 | 41 | DigitalOut gLED(LED2); |
phonemacro | 0:ec8835052a84 | 42 | DigitalOut bLED(LED3); |
phonemacro | 0:ec8835052a84 | 43 | #define MAX30101_I2C_SLAVE_ADDR (0xAE) |
phonemacro | 0:ec8835052a84 | 44 | MAX30101 HrSensor(P3_4, P3_5, MAX30101_I2C_SLAVE_ADDR); // SDA, SCL, i2c 7-bit address |
phonemacro | 0:ec8835052a84 | 45 | |
phonemacro | 0:ec8835052a84 | 46 | // main() runs in its own thread in the OS |
phonemacro | 0:ec8835052a84 | 47 | // (note the calls to Thread::wait below for delays) |
phonemacro | 0:ec8835052a84 | 48 | /** |
phonemacro | 0:ec8835052a84 | 49 | * @brief Sample main program for MAX30101 |
phonemacro | 0:ec8835052a84 | 50 | * @version 1.0000.0 |
phonemacro | 0:ec8835052a84 | 51 | * |
phonemacro | 0:ec8835052a84 | 52 | * @details Sample main program for MAX30101. |
phonemacro | 0:ec8835052a84 | 53 | * The prints are sent to the terminal window (9600, 8n1). |
phonemacro | 0:ec8835052a84 | 54 | * The program sets the GPIOs to 1.8V and the program |
phonemacro | 0:ec8835052a84 | 55 | * blinks green if it's able to communicate with |
phonemacro | 0:ec8835052a84 | 56 | * the MAX30101, otherwise, it blinks red. |
phonemacro | 0:ec8835052a84 | 57 | * To run the program, drag and drop the .bin file into the |
phonemacro | 0:ec8835052a84 | 58 | * DAPLINK folder. After it finishes flashing, cycle the power or |
phonemacro | 0:ec8835052a84 | 59 | * reset the Pegasus after flashing by pressing the button on |
phonemacro | 0:ec8835052a84 | 60 | * the Pegasus next to the battery connector or the button |
phonemacro | 0:ec8835052a84 | 61 | * on the MAXREFDES100HDK. |
phonemacro | 0:ec8835052a84 | 62 | */ |
phonemacro | 0:ec8835052a84 | 63 | int main() |
phonemacro | 0:ec8835052a84 | 64 | { |
phonemacro | 0:ec8835052a84 | 65 | char value=0; |
phonemacro | 0:ec8835052a84 | 66 | int ret; |
phonemacro | 0:ec8835052a84 | 67 | |
phonemacro | 0:ec8835052a84 | 68 | DigitalOut rLED(LED1, LED_OFF); |
phonemacro | 0:ec8835052a84 | 69 | DigitalOut gLED(LED2, LED_OFF); |
phonemacro | 0:ec8835052a84 | 70 | DigitalOut bLED(LED3, LED_OFF); |
phonemacro | 0:ec8835052a84 | 71 | |
phonemacro | 0:ec8835052a84 | 72 | while (true) { // Blink the blue-green LED |
phonemacro | 0:ec8835052a84 | 73 | ret = HrSensor.i2c_reg_read(MAX30101::REG_ID,&value); |
phonemacro | 0:ec8835052a84 | 74 | if (value == 0x15) { |
phonemacro | 0:ec8835052a84 | 75 | printf("MAX30101 Heart Rate Sensor Part ID = %#X\r\n", value); |
phonemacro | 0:ec8835052a84 | 76 | rLED = LED_OFF; |
phonemacro | 0:ec8835052a84 | 77 | gLED = !gLED; |
phonemacro | 0:ec8835052a84 | 78 | }else { |
phonemacro | 0:ec8835052a84 | 79 | printf("Error, MAX30101 Part ID %#X is not correct, ret = %d\r\n", value, ret); |
phonemacro | 0:ec8835052a84 | 80 | gLED = LED_OFF; |
phonemacro | 0:ec8835052a84 | 81 | rLED = !rLED; |
phonemacro | 0:ec8835052a84 | 82 | } |
phonemacro | 0:ec8835052a84 | 83 | printf("\r\n"); |
phonemacro | 0:ec8835052a84 | 84 | wait(1.0); |
phonemacro | 0:ec8835052a84 | 85 | } |
phonemacro | 0:ec8835052a84 | 86 | } |
phonemacro | 0:ec8835052a84 | 87 |