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example MAX30100
Revision 0:80ecccd27646, committed 2016-11-25
- Comitter:
- AVELARDEV
- Date:
- Fri Nov 25 00:54:29 2016 +0000
- Commit message:
- exmaple use MAX30100 library
Changed in this revision
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/MAX30100.lib Fri Nov 25 00:54:29 2016 +0000 @@ -0,0 +1,1 @@ +https://developer.mbed.org/users/AVELARDEV/code/MAX30100/#010b908e2187
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/main.cpp Fri Nov 25 00:54:29 2016 +0000 @@ -0,0 +1,127 @@ +/* +Arduino-MAX30100 oximetry / heart rate integrated sensor library +Copyright (C) 2016 OXullo Intersecans <x@brainrapers.org> +This program is free software: you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation, either version 3 of the License, or +(at your option) any later version. +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. +You should have received a copy of the GNU General Public License +along with this program. If not, see <http://www.gnu.org/licenses/>. +*/ + +#include "MAX30100_PulseOximeter.h" + +//#define REPORTING_PERIOD_MS 1000 + +Serial pc(USBTX, USBRX); +Timer t; + +// PulseOximeter is the higher level interface to the sensor +// it offers: +// * beat detection reporting +// * heart rate calculation +// * SpO2 (oxidation level) calculation +PulseOximeter pox; + +uint32_t tsLastReport = 0; + +// Callback (registered below) fired when a pulse is detected + +void onBeatDetected() +{ + // pc.printf("Beat!\r\n"); +} + +bool setup() +{ + pc.baud(115200); + pc.printf("Start program!\r\n"); + //pox = new PulseOximeter (&pc); + + // Initialize the PulseOximeter instance and register a beat-detected callback + if(!pox.begin()) + return false; + pox.setOnBeatDetectedCallback(onBeatDetected); + return true; +} + +bool newValueMAX30100 = 0; +float heartRate; +float finalHeartRate; +uint8_t sp02; +uint16_t finalSp02; +uint32_t REPORTING_PERIOD_MS = 1000; +std::vector<float> valuesHeartRate; +std::vector<uint8_t> valuesSp02; +uint8_t samplesMAX30100 = 10; +uint8_t counterMAX30100 = 0;; + +void updateMAX30100 (){ + // Make sure to call update as fast as possible + pox.update(); + + if (t.read_ms() > REPORTING_PERIOD_MS) { + heartRate = pox.getHeartRate(); + sp02 = pox.getSpO2(); + + if(heartRate != 0 && sp02 != 0) { + pc.printf("Heart rate: %f",heartRate); + pc.printf(" bpm / SpO2: %d%\r\n",sp02); + valuesHeartRate.push_back(heartRate); + valuesSp02.push_back(sp02); + counterMAX30100 ++; + }else{ + pc.printf("No finger\r\n"); + } + + if(samplesMAX30100 == counterMAX30100) { + + finalHeartRate = 0; + finalSp02 = 0; + for(int i=0; i<samplesMAX30100; i++){ + finalHeartRate += valuesHeartRate[i]; + finalSp02 += valuesSp02[i]; + } + + finalHeartRate /= samplesMAX30100; + finalSp02 /= samplesMAX30100; + + counterMAX30100 = 0; + valuesHeartRate.clear(); + valuesSp02.clear(); + newValueMAX30100 = true; + } + + t.reset(); + } +} + +void loop() +{ + updateMAX30100(); + + if(newValueMAX30100){ + pc.printf("--->New Value\r\n"); + pc.printf("Heart rate: %f",finalHeartRate); + pc.printf(" bpm / SpO2: %d%\r\n",finalSp02); + pc.printf("*************************\r\n"); + newValueMAX30100 = false; + } + +} + +int main() +{ + if(setup()) + pc.printf("MAX30100 beginning\r\n"); + else + return 0; + + t.start(); + while(1) + loop(); +} \ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Fri Nov 25 00:54:29 2016 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/builds/0ab6a29f35bf \ No newline at end of file