Eduardo Avelar
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
diff -r 000000000000 -r 80ecccd27646 MAX30100.lib --- /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
diff -r 000000000000 -r 80ecccd27646 main.cpp
--- /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
diff -r 000000000000 -r 80ecccd27646 mbed.bld --- /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