Simple demo of MAX30205 Human Body Temperature Sensor
main.cpp@1:ea0e3dad3da7, 2018-05-16 (annotated)
- Committer:
- Emre.Eken
- Date:
- Wed May 16 16:33:28 2018 +0300
- Revision:
- 1:ea0e3dad3da7
- Parent:
- 0:6aacaac29ccc
First revision
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
Emre.Eken | 1:ea0e3dad3da7 | 1 | /******************************************************************************* |
Emre.Eken | 1:ea0e3dad3da7 | 2 | * Copyright (C) 2018 Maxim Integrated Products, Inc., All Rights Reserved. |
Emre.Eken | 1:ea0e3dad3da7 | 3 | * |
Emre.Eken | 1:ea0e3dad3da7 | 4 | * Permission is hereby granted, free of charge, to any person obtaining a |
Emre.Eken | 1:ea0e3dad3da7 | 5 | * copy of this software and associated documentation files (the "Software"), |
Emre.Eken | 1:ea0e3dad3da7 | 6 | * to deal in the Software without restriction, including without limitation |
Emre.Eken | 1:ea0e3dad3da7 | 7 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
Emre.Eken | 1:ea0e3dad3da7 | 8 | * and/or sell copies of the Software, and to permit persons to whom the |
Emre.Eken | 1:ea0e3dad3da7 | 9 | * Software is furnished to do so, subject to the following conditions: |
Emre.Eken | 1:ea0e3dad3da7 | 10 | * |
Emre.Eken | 1:ea0e3dad3da7 | 11 | * The above copyright notice and this permission notice shall be included |
Emre.Eken | 1:ea0e3dad3da7 | 12 | * in all copies or substantial portions of the Software. |
Emre.Eken | 1:ea0e3dad3da7 | 13 | * |
Emre.Eken | 1:ea0e3dad3da7 | 14 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
Emre.Eken | 1:ea0e3dad3da7 | 15 | * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
Emre.Eken | 1:ea0e3dad3da7 | 16 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. |
Emre.Eken | 1:ea0e3dad3da7 | 17 | * IN NO EVENT SHALL MAXIM INTEGRATED BE LIABLE FOR ANY CLAIM, DAMAGES |
Emre.Eken | 1:ea0e3dad3da7 | 18 | * OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
Emre.Eken | 1:ea0e3dad3da7 | 19 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
Emre.Eken | 1:ea0e3dad3da7 | 20 | * OTHER DEALINGS IN THE SOFTWARE. |
Emre.Eken | 1:ea0e3dad3da7 | 21 | * |
Emre.Eken | 1:ea0e3dad3da7 | 22 | * Except as contained in this notice, the name of Maxim Integrated |
Emre.Eken | 1:ea0e3dad3da7 | 23 | * Products, Inc. shall not be used except as stated in the Maxim Integrated |
Emre.Eken | 1:ea0e3dad3da7 | 24 | * Products, Inc. Branding Policy. |
Emre.Eken | 1:ea0e3dad3da7 | 25 | * |
Emre.Eken | 1:ea0e3dad3da7 | 26 | * The mere transfer of this software does not imply any licenses |
Emre.Eken | 1:ea0e3dad3da7 | 27 | * of trade secrets, proprietary technology, copyrights, patents, |
Emre.Eken | 1:ea0e3dad3da7 | 28 | * trademarks, maskwork rights, or any other form of intellectual |
Emre.Eken | 1:ea0e3dad3da7 | 29 | * property whatsoever. Maxim Integrated Products, Inc. retains all |
Emre.Eken | 1:ea0e3dad3da7 | 30 | * ownership rights. |
Emre.Eken | 1:ea0e3dad3da7 | 31 | ******************************************************************************* |
Emre.Eken | 1:ea0e3dad3da7 | 32 | */ |
Emre.Eken | 1:ea0e3dad3da7 | 33 | #include "mbed.h" |
Emre.Eken | 1:ea0e3dad3da7 | 34 | #include "max32630hsp.h" |
Emre.Eken | 1:ea0e3dad3da7 | 35 | #include "USBSerial.h" |
Emre.Eken | 1:ea0e3dad3da7 | 36 | #include "MAX30205.h" |
Emre.Eken | 1:ea0e3dad3da7 | 37 | |
Emre.Eken | 1:ea0e3dad3da7 | 38 | MAX32630HSP icarus(MAX32630HSP::VIO_3V3); |
Emre.Eken | 1:ea0e3dad3da7 | 39 | |
Emre.Eken | 1:ea0e3dad3da7 | 40 | Serial pc(USBTX,USBRX); |
Emre.Eken | 1:ea0e3dad3da7 | 41 | |
Emre.Eken | 1:ea0e3dad3da7 | 42 | // Virtual serial port over USB |
Emre.Eken | 1:ea0e3dad3da7 | 43 | USBSerial microUSB; |
Emre.Eken | 1:ea0e3dad3da7 | 44 | |
Emre.Eken | 1:ea0e3dad3da7 | 45 | DigitalOut rLED(LED1); |
Emre.Eken | 1:ea0e3dad3da7 | 46 | DigitalOut gLED(LED2); |
Emre.Eken | 1:ea0e3dad3da7 | 47 | DigitalOut bLED(LED3); |
Emre.Eken | 1:ea0e3dad3da7 | 48 | |
Emre.Eken | 1:ea0e3dad3da7 | 49 | //Get I2C instance |
Emre.Eken | 1:ea0e3dad3da7 | 50 | I2C i2cBus(I2C1_SDA, I2C1_SCL); |
Emre.Eken | 1:ea0e3dad3da7 | 51 | |
Emre.Eken | 1:ea0e3dad3da7 | 52 | //Enable pin to convert 3V3 to 3V for MAX30205: |
Emre.Eken | 1:ea0e3dad3da7 | 53 | DigitalOut max30205_LDO_EN(P7_1,1); |
Emre.Eken | 1:ea0e3dad3da7 | 54 | |
Emre.Eken | 1:ea0e3dad3da7 | 55 | //Get temp sensor instance |
Emre.Eken | 1:ea0e3dad3da7 | 56 | MAX30205 bodyTempSensor(i2cBus, (0x90 >> 1)); |
Emre.Eken | 1:ea0e3dad3da7 | 57 | |
Emre.Eken | 1:ea0e3dad3da7 | 58 | // main() runs in its own thread in the OS |
Emre.Eken | 1:ea0e3dad3da7 | 59 | // (note the calls to Thread::wait below for delays) |
Emre.Eken | 1:ea0e3dad3da7 | 60 | |
Emre.Eken | 1:ea0e3dad3da7 | 61 | /** |
Emre.Eken | 1:ea0e3dad3da7 | 62 | * @brief Sample main program for MAX30205 |
Emre.Eken | 1:ea0e3dad3da7 | 63 | * @version 1.0000.0 |
Emre.Eken | 1:ea0e3dad3da7 | 64 | * |
Emre.Eken | 1:ea0e3dad3da7 | 65 | * @details Sample main program for MAX30205. |
Emre.Eken | 1:ea0e3dad3da7 | 66 | * The prints are sent to the terminal window (9600, 8n1). |
Emre.Eken | 1:ea0e3dad3da7 | 67 | * The program initially flashes yellow once, then it |
Emre.Eken | 1:ea0e3dad3da7 | 68 | * blinks green if it's able to communicate with |
Emre.Eken | 1:ea0e3dad3da7 | 69 | * the MAX30205, otherwise, it blinks red. |
Emre.Eken | 1:ea0e3dad3da7 | 70 | * The temperature is read out every half second. |
Emre.Eken | 1:ea0e3dad3da7 | 71 | * To run the program, drag and drop the .bin file into the |
Emre.Eken | 1:ea0e3dad3da7 | 72 | * DAPLINK folder. After it finishes flashing, cycle the power or |
Emre.Eken | 1:ea0e3dad3da7 | 73 | * reset the Pegasus after flashing by pressing the button on |
Emre.Eken | 1:ea0e3dad3da7 | 74 | * the Pegasus next to the battery connector or the button |
Emre.Eken | 1:ea0e3dad3da7 | 75 | * on the MAXREFDES100HDK. |
Emre.Eken | 1:ea0e3dad3da7 | 76 | */ |
Emre.Eken | 1:ea0e3dad3da7 | 77 | |
Emre.Eken | 1:ea0e3dad3da7 | 78 | int main() |
Emre.Eken | 1:ea0e3dad3da7 | 79 | { |
Emre.Eken | 1:ea0e3dad3da7 | 80 | int32_t ret; |
Emre.Eken | 1:ea0e3dad3da7 | 81 | uint16_t hystValue = 0; |
Emre.Eken | 1:ea0e3dad3da7 | 82 | uint16_t temperatureValue; |
Emre.Eken | 1:ea0e3dad3da7 | 83 | uint32_t expandTemperatureValue=0; |
Emre.Eken | 1:ea0e3dad3da7 | 84 | float Celsius; |
Emre.Eken | 1:ea0e3dad3da7 | 85 | |
Emre.Eken | 1:ea0e3dad3da7 | 86 | gLED = LED_ON; |
Emre.Eken | 1:ea0e3dad3da7 | 87 | rLED = LED_ON; // init LED to yellow |
Emre.Eken | 1:ea0e3dad3da7 | 88 | bLED = LED_OFF; |
Emre.Eken | 1:ea0e3dad3da7 | 89 | wait(0.05); |
Emre.Eken | 1:ea0e3dad3da7 | 90 | |
Emre.Eken | 1:ea0e3dad3da7 | 91 | pc.printf("Example program for MAX20305.\r\n"); |
Emre.Eken | 1:ea0e3dad3da7 | 92 | ret = bodyTempSensor.readTHYST(hystValue); |
Emre.Eken | 1:ea0e3dad3da7 | 93 | if (ret != 0) { |
Emre.Eken | 1:ea0e3dad3da7 | 94 | pc.printf("Communications to MAX20305 Failed: ret=%d, Thyst=0x%04X\r\n",ret, hystValue); |
Emre.Eken | 1:ea0e3dad3da7 | 95 | rLED = LED_ON; |
Emre.Eken | 1:ea0e3dad3da7 | 96 | } |
Emre.Eken | 1:ea0e3dad3da7 | 97 | |
Emre.Eken | 1:ea0e3dad3da7 | 98 | while(true) { |
Emre.Eken | 1:ea0e3dad3da7 | 99 | ret=bodyTempSensor.readTemperature(temperatureValue); |
Emre.Eken | 1:ea0e3dad3da7 | 100 | if(!ret) |
Emre.Eken | 1:ea0e3dad3da7 | 101 | { |
Emre.Eken | 1:ea0e3dad3da7 | 102 | expandTemperatureValue = (uint32_t)temperatureValue; |
Emre.Eken | 1:ea0e3dad3da7 | 103 | Celsius = bodyTempSensor.toCelsius(expandTemperatureValue); |
Emre.Eken | 1:ea0e3dad3da7 | 104 | pc.printf("The temperature is %f Celsius, ",Celsius); |
Emre.Eken | 1:ea0e3dad3da7 | 105 | pc.printf("%f Fahrenheit\r\n",bodyTempSensor.toFahrenheit(Celsius)); |
Emre.Eken | 1:ea0e3dad3da7 | 106 | |
Emre.Eken | 1:ea0e3dad3da7 | 107 | rLED = LED_OFF; |
Emre.Eken | 1:ea0e3dad3da7 | 108 | gLED = !gLED; // blink the green red |
Emre.Eken | 1:ea0e3dad3da7 | 109 | bLED = LED_OFF; |
Emre.Eken | 1:ea0e3dad3da7 | 110 | } else { |
Emre.Eken | 1:ea0e3dad3da7 | 111 | rLED = !rLED; // blink the LED red |
Emre.Eken | 1:ea0e3dad3da7 | 112 | gLED = LED_OFF; |
Emre.Eken | 1:ea0e3dad3da7 | 113 | bLED = LED_OFF; |
Emre.Eken | 1:ea0e3dad3da7 | 114 | } |
Emre.Eken | 1:ea0e3dad3da7 | 115 | wait(0.5); |
Emre.Eken | 1:ea0e3dad3da7 | 116 | |
Emre.Eken | 1:ea0e3dad3da7 | 117 | } |
Emre.Eken | 1:ea0e3dad3da7 | 118 | |
Emre.Eken | 1:ea0e3dad3da7 | 119 | } |
Emre.Eken | 1:ea0e3dad3da7 | 120 |