Heart rate monitoring system design using FRDM K64F and MIT App Inventor II
Dependencies: ESP8266 GroveEarbudSensor mbed
Fork of Heart-rate-monitor by
Diff: main.cpp
- Revision:
- 0:1358c23ecb2e
- Child:
- 4:df7309612854
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/main.cpp Thu Sep 25 21:35:44 2014 +0000 @@ -0,0 +1,63 @@ +/* Copyright C2014 ARM, MIT License + * + * Author: Doug Anson (doug.anson@arm.com) + * + * 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 THE AUTHORS OR COPYRIGHT HOLDERS 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. + */ + +#include "mbed.h" + +// Console +Serial pc(USBTX,USBRX); + +// Blinky +DigitalOut led(LED1); + +// Our sensor as an InterruptIn +InterruptIn sensor(D0); + +// Grove Earbud Sensor include +#include "GroveEarbudSensor.h" + +// callback for receiving heartrate values +void heartrateCallback(float heartrate,void *data) { + pc.printf("Callback: heartrate = %.1f\r\n",heartrate); +} + +int main() +{ + // announce + pc.printf("Grove Earbud Sensor Example v1.0.0\r\n"); + + // allocate the earbud sensor + pc.printf("Allocating earbud sensor instance...\r\n"); + GroveEarbudSensor earbud(&sensor); + + // register our callback function + pc.printf("registering callback...\r\n"); + earbud.registerCallback(heartrateCallback); + + // begin main loop + pc.printf("Beginning main loop...\r\n"); + while (true) { + // blink... + led = !led; + wait(0.5); + + // we can also call directly + //pc.printf("Direct: heartrate = %.1f\r\n",earbud.getHeartRate()); + } +} \ No newline at end of file