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T-Display-S3-main/lib/DabbleESP32/examples/10.IOT/DataLogger/DataLogger.ino

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+/*
+   Data Logger module helps you in storing data in form of .csv file. 
+   Later you can open this file to view your stored data.
+   
+   You can reduce the size of library compiled by enabling only those modules that you want to
+   use.For this first define CUSTOM_SETTINGS followed by defining INCLUDE_modulename.
+   
+   Explore more on: https://thestempedia.com/docs/dabble/
+*/
+#define CUSTOM_SETTINGS
+#define INCLUDE_SENSOR_MODULE
+#define INCLUDE_DATALOGGER_MODULE
+#include <DabbleESP32.h>
+bool isFileOpen = true;
+uint8_t closeFileSignalPin = 2;   //this pin is internally pulled up and a push button grounded on one side is connected to pin so that pin detects low logic when push button is pressed.
+
+void initializeFile(){
+  Serial.println("Initialize");
+  DataLogger.createFile("Microphone");
+  DataLogger.createColumn("Decibel");
+}
+
+void setup() { 
+  pinMode(closeFileSignalPin,INPUT_PULLUP);
+  Serial.begin(115200);       // make sure your Serial Monitor is also set at this baud rate.
+  Dabble.begin("Myesp32");    //set bluetooth name of your device
+  DataLogger.sendSettings(&initializeFile);
+}
+
+void loop() {
+  Dabble.processInput();             //this function is used to refresh data obtained from smartphone.Hence calling this function is mandatory in order to get data properly from your mobile.
+  if( isFileOpen == true)
+  {
+    print_Sound_data();
+    DataLogger.send("Decibel",Sensor.getdata_Sound());
+  }
+  if((digitalRead(closeFileSignalPin) == LOW) && isFileOpen == true)
+  {
+    isFileOpen = false;
+    DataLogger.stop();
+  }
+}
+
+void print_Sound_data()
+{
+  Serial.print("SOUND: ");
+  Serial.println(Sensor.getdata_Sound(), 3);
+  Serial.println();
+}