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
Diff: main.cpp
- Revision:
- 0:ec8835052a84
- Child:
- 1:9bb3378a9060
diff -r 000000000000 -r ec8835052a84 main.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/main.cpp Sat Jul 21 07:11:45 2018 +0000 @@ -0,0 +1,90 @@ +/******************************************************************************* + * Copyright (C) 2018 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 "mbed.h" +#include "max32630fthr.h" +#include "MAX30101.h" + +#include "USBSerial.h" +#include "max3263x.h" +#include "ioman_regs.h" +#include "PinNames.h" +MAX32630FTHR pegasus(MAX32630FTHR::VIO_1V8); // Change the GPIOs from 3.3V to 1.8V + +DigitalOut rLED(LED1); +DigitalOut gLED(LED2); +DigitalOut bLED(LED3); +#define MAX30101_I2C_SLAVE_ADDR (0xAE) +MAX30101 HrSensor(P3_4, P3_5, MAX30101_I2C_SLAVE_ADDR); // SDA, SCL, i2c 7-bit address + +// main() runs in its own thread in the OS +// (note the calls to Thread::wait below for delays) +/** +* @brief Sample main program for MAX30101 +* @version 1.0000.0 +* +* @details Sample main program for MAX30101. +* The prints are sent to the terminal window (9600, 8n1). +* The program sets the GPIOs to 1.8V and the program +* blinks green if it's able to communicate with +* the MAX30101, otherwise, it blinks red. +* To run the program, drag and drop the .bin file into the +* DAPLINK folder. After it finishes flashing, cycle the power or +* reset the Pegasus after flashing by pressing the button on +* the Pegasus next to the battery connector or the button +* on the MAXREFDES100HDK. +*/ +int main() +{ + char value=0; + int ret; + + DigitalOut rLED(LED1, LED_OFF); + DigitalOut gLED(LED2, LED_OFF); + DigitalOut bLED(LED3, LED_OFF); + + while (true) { // Blink the blue-green LED + ret = HrSensor.i2c_reg_read(MAX30101::REG_ID,&value); + if (value == 0x15) { + printf("MAX30101 Heart Rate Sensor Part ID = %#X\r\n", value); + rLED = LED_OFF; + gLED = !gLED; + }else { + printf("Error, MAX30101 Part ID %#X is not correct, ret = %d\r\n", value, ret); + gLED = LED_OFF; + rLED = !rLED; + } + printf("\r\n"); + wait(1.0); + } +} +