upload before testing

ESP8266 MAX30102/.gitignore

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+.pio
+.pioenvs
+.piolibdeps
+.clang_complete
+.gcc-flags.json

ESP8266 MAX30102/.travis.yml

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+# Continuous Integration (CI) is the practice, in software
+# engineering, of merging all developer working copies with a shared mainline
+# several times a day < https://docs.platformio.org/page/ci/index.html >
+#
+# Documentation:
+#
+# * Travis CI Embedded Builds with PlatformIO
+# < https://docs.travis-ci.com/user/integration/platformio/ >
+#
+# * PlatformIO integration with Travis CI
+# < https://docs.platformio.org/page/ci/travis.html >
+#
+# * User Guide for `platformio ci` command
+# < https://docs.platformio.org/page/userguide/cmd_ci.html >
+#
+#
+# Please choose one of the following templates (proposed below) and uncomment
+# it (remove "# " before each line) or use own configuration according to the
+# Travis CI documentation (see above).
+#
+
+
+#
+# Template #1: General project. Test it using existing `platformio.ini`.
+#
+
+# language: python
+# python:
+# - "2.7"
+#
+# sudo: false
+# cache:
+# directories:
+# - "~/.platformio"
+#
+# install:
+# - pip install -U platformio
+# - platformio update
+#
+# script:
+# - platformio run
+
+
+#
+# Template #2: The project is intended to be used as a library with examples.
+#
+
+# language: python
+# python:
+# - "2.7"
+#
+# sudo: false
+# cache:
+# directories:
+# - "~/.platformio"
+#
+# env:
+# - PLATFORMIO_CI_SRC=path/to/test/file.c
+# - PLATFORMIO_CI_SRC=examples/file.ino
+# - PLATFORMIO_CI_SRC=path/to/test/directory
+#
+# install:
+# - pip install -U platformio
+# - platformio update
+#
+# script:
+# - platformio ci --lib="." --board=ID_1 --board=ID_2 --board=ID_N

ESP8266 MAX30102/include/README

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+
+This directory is intended for project header files.
+
+A header file is a file containing C declarations and macro definitions
+to be shared between several project source files. You request the use of a
+header file in your project source file (C, C++, etc) located in `src` folder
+by including it, with the C preprocessing directive `#include'.
+
+```src/main.c
+
+#include "header.h"
+
+int main (void)
+{
+ ...
+}
+```
+
+Including a header file produces the same results as copying the header file
+into each source file that needs it. Such copying would be time-consuming
+and error-prone. With a header file, the related declarations appear
+in only one place. If they need to be changed, they can be changed in one
+place, and programs that include the header file will automatically use the
+new version when next recompiled. The header file eliminates the labor of
+finding and changing all the copies as well as the risk that a failure to
+find one copy will result in inconsistencies within a program.
+
+In C, the usual convention is to give header files names that end with `.h'.
+It is most portable to use only letters, digits, dashes, and underscores in
+header file names, and at most one dot.
+
+Read more about using header files in official GCC documentation:
+
+* Include Syntax
+* Include Operation
+* Once-Only Headers
+* Computed Includes
+
+https://gcc.gnu.org/onlinedocs/cpp/Header-Files.html

ESP8266 MAX30102/lib/README

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+
+This directory is intended for project specific (private) libraries.
+PlatformIO will compile them to static libraries and link into executable file.
+
+The source code of each library should be placed in a an own separate directory
+("lib/your_library_name/[here are source files]").
+
+For example, see a structure of the following two libraries `Foo` and `Bar`:
+
+|--lib
+| |
+| |--Bar
+| | |--docs
+| | |--examples
+| | |--src
+| | |- Bar.c
+| | |- Bar.h
+| | |- library.json (optional, custom build options, etc) https://docs.platformio.org/page/librarymanager/config.html
+| |
+| |--Foo
+| | |- Foo.c
+| | |- Foo.h
+| |
+| |- README --> THIS FILE
+|
+|- platformio.ini
+|--src
+ |- main.c
+
+and a contents of `src/main.c`:
+```
+#include <Foo.h>
+#include <Bar.h>
+
+int main (void)
+{
+ ...
+}
+
+```
+
+PlatformIO Library Dependency Finder will find automatically dependent
+libraries scanning project source files.
+
+More information about PlatformIO Library Dependency Finder
+- https://docs.platformio.org/page/librarymanager/ldf.html

ESP8266 MAX30102/platformio.ini

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+; PlatformIO Project Configuration File
+;
+; Build options: build flags, source filter
+; Upload options: custom upload port, speed and extra flags
+; Library options: dependencies, extra library storages
+; Advanced options: extra scripting
+;
+; Please visit documentation for the other options and examples
+; https://docs.platformio.org/page/projectconf.html
+
+[env:nodemcuv2]
+platform = espressif8266
+board = nodemcuv2
+framework = arduino

ESP8266 MAX30102/src/main.cpp

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+#include <Arduino.h>
+
+#include <Wire.h>
+#include "MAX30105.h"
+
+#include "heartRate.h"
+#include "mynetwork.h"
+
+MAX30105 particleSensor;
+
+const byte RATE_SIZE = 4; //Increase this for more averaging. 4 is good.
+byte rates[RATE_SIZE]; //Array of heart rates
+byte rateSpot = 0;
+long lastBeat = 0; //Time at which the last beat occurred
+
+float beatsPerMinute;
+int beatAvg;
+// timer of 1 second
+unsigned long lastConnectionTime = 0; // last time you connected to the server, in milliseconds
+const unsigned long postingInterval = 100L; // delay between updates, in milliseconds
+
+void setup()
+{
+ Serial.begin(115200);
+ Serial.println("Initializing...");
+ mynetwork_init();
+ pinMode(LED_BUILTIN, OUTPUT); // Initialize the LED_BUILTIN pin as an output
+ digitalWrite(LED_BUILTIN, LOW);
+// Initialize sensor
+ if (!particleSensor.begin(Wire, I2C_SPEED_FAST)) //Use default I2C port, 400kHz speed
+ {
+ Serial.println("MAX30102 was not found. Please check wiring/power. ");
+ while (1);
+ }
+ Serial.println("Place your index finger on the sensor with steady pressure.");
+
+ particleSensor.setup(); //Configure sensor with default settings
+ particleSensor.setPulseAmplitudeRed(0x0A); //Turn Red LED to low to indicate sensor is running
+ particleSensor.setPulseAmplitudeGreen(0); //Turn off Green LED
+ particleSensor.enableDIETEMPRDY(); //Enable the temp ready interrupt. This is required.
+}
+
+void loop()
+{
+ Serial.print(" R[");
+ Serial.print(particleSensor.getRed());
+ Serial.print("] IR[");
+ Serial.print(particleSensor.getIR());
+ Serial.print("] G[");
+ Serial.print(particleSensor.getGreen());
+ Serial.print("]");
+
+ Serial.println();
+ return;
+ long irValue = particleSensor.getIR();
+
+ if (checkForBeat(irValue) == true)
+ {
+//We sensed a beat!
+ long delta = millis() - lastBeat;
+ lastBeat = millis();
+
+ beatsPerMinute = 60 / (delta / 1000.0);
+
+ if (beatsPerMinute < 255 && beatsPerMinute > 20)
+ {
+ rates[rateSpot++] = (byte)beatsPerMinute; //Store this reading in the array
+ rateSpot %= RATE_SIZE; //Wrap variable
+
+//Take average of readings
+ beatAvg = 0;
+ for (byte x = 0; x < RATE_SIZE; x++)
+ beatAvg += rates[x];
+ beatAvg /= RATE_SIZE;
+ }
+ }
+
+ float temperature = particleSensor.readTemperature();
+
+ if (millis() - lastConnectionTime > postingInterval)
+ {
+
+ sendUDP("<IR>"+String(irValue));
+ sendUDP("<BPM>"+String(beatsPerMinute));
+ sendUDP("<AvgBPM>"+String(beatAvg));
+ sendUDP("<temperature>"+String(temperature));
+
+ digitalWrite(LED_BUILTIN, !digitalRead(LED_BUILTIN));
+ lastConnectionTime = millis();
+
+ Serial.print("IR=");
+ Serial.print(irValue);
+ Serial.print(", BPM=");
+ Serial.print(beatsPerMinute);
+ Serial.print(", Avg BPM=");
+ Serial.print(beatAvg);
+ Serial.print(", temperature=");
+ Serial.print(temperature, 4);
+
+
+ if (irValue < 50000)
+ Serial.print(" No finger?");
+
+ Serial.println();
+ }
+}