Demo code for a Wi-Fi controlled wall outlet that monitors light intensity, temperature, and motion and can control which plugs are supplied with power based off of user preference.

Dependencies:   BH1750 DHT11_Lib mbed

Fork of ECE4180_Lab4_ESP8266_IoT_Outlets by Deron Mai

Files at this revision

API Documentation at this revision

Comitter:
tpettet3
Date:
Sat Apr 30 22:37:39 2016 +0000
Parent:
14:85d3a42699af
Commit message:
Final/Demo code version

Changed in this revision

SongPlayer.h Show annotated file Show diff for this revision Revisions of this file
main.cpp Show annotated file Show diff for this revision Revisions of this file
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/SongPlayer.h	Sat Apr 30 22:37:39 2016 +0000
@@ -0,0 +1,41 @@
+#include "mbed.h"
+// new class to play a note on Speaker based on PwmOut class
+class SongPlayer
+{
+public:
+    SongPlayer(PinName pin) : _pin(pin) {
+// _pin(pin) means pass pin to the constructor
+    }
+// class method to play a note based on PwmOut class
+    void PlaySong(float frequency[], float duration[], float volume=1.0) {
+        vol = volume;
+        notecount = 0;
+        _pin.period(1.0/frequency[notecount]);
+        _pin = volume/2.0;
+        noteduration.attach(this,&SongPlayer::nextnote, duration[notecount]);
+        // setup timer to interrupt for next note to play
+        frequencyptr = frequency;
+        durationptr = duration;
+        //returns after first note starts to play
+    }
+    void nextnote();
+private:
+    Timeout noteduration;
+    PwmOut _pin;
+    int notecount;
+    float vol;
+    float * frequencyptr;
+    float * durationptr;
+};
+//Interrupt Routine to play next note
+void SongPlayer::nextnote()
+{
+    _pin = 0.0;
+    notecount++; //setup next note in song
+    if (durationptr[notecount]!=0.0) {
+        _pin.period(1.0/frequencyptr[notecount]);
+        noteduration.attach(this,&SongPlayer::nextnote, durationptr[notecount]);
+        _pin = vol/2.0;
+    } else
+        _pin = 0.0; //turn off on last note
+}
\ No newline at end of file
--- a/main.cpp	Tue Apr 26 02:19:52 2016 +0000
+++ b/main.cpp	Sat Apr 30 22:37:39 2016 +0000
@@ -1,34 +1,37 @@
-// ESP8266 Static page WEB server to control Mbed
-
 #include "mbed.h"
 #include "DHT.h"
-//#include "DS18B20.h"
 #include "BH1750.h"
+#include "SongPlayer.h"
 
+SongPlayer mySpeaker(p21);
+float note[1] = {1500};
+float duration[1] = {0.25};
 BH1750 lightSensor(p28, p27);
 
 Serial pc(USBTX, USBRX);
+
 Serial esp(p13, p14); // tx, rx
+
 DigitalIn PIR(p30);
+
 int PIR_sensor;
+
 int SetMotion = 0;
-//DS18B20 thermom(A0, DS18B20::RES_12_BIT);
 
-// Standard Mbed LED definitions
-DigitalOut  led1(LED1);      // (PTB18)
-DigitalOut  led2(LED2);    // (PTB19)
-DigitalOut  led3(LED3);     // (PTD1)
+DigitalOut  led1(LED1);
+DigitalOut  led2(LED2);
+DigitalOut  led3(LED3);
 DigitalOut  led4(LED4);
 
-// Digital Out and In pins, can be configured to any suitable pin depending on Platform
+//Setting up the control pins for the outlets
 DigitalOut  Outlet1(p18);
 DigitalOut  Outlet2(p17);
 DigitalOut  Outlet3(p20);
 DigitalOut  Outlet4(p19);
 DigitalOut  reset(p29);
 
-int setOut2=0; // if 0, turn off when temp >
-                // if 1, turn on when temp >
+int setOut2=0; //Variable used to set the outlet based on temperature, only ever 0 or 1
+                
 int setOut3=0; // if 0, turn on when light <
                 // if 1, Leave light off
 
@@ -37,9 +40,6 @@
 AnalogIn   I1(p15);
 AnalogIn   Ain1(p16);
 
-//PwmOut speaker(p21);
-//AnalogIn   Ain1(p18);
-//AnalogIn   Ain2(p19);
 
 Timer t1;
 Timer t2;
@@ -107,8 +107,8 @@
     pc.printf("\f\n\r------------ ESP8266 Hardware Reset --------------\n\r");
     wait(0.5);
     reset=1;
-    Outlet1=1, Outlet2=1, Outlet3=1, Outlet4=1;
-    led1=0,led2=0,led3=1,led4=1;
+    Outlet1=1, Outlet2=1, Outlet3=1, Outlet4=1; // initialize all outlets to 1
+    led1=0,led2=0,led3=1,led4=1; // set leds to mirror outlets 
     timeout=6000;
     getcount=500;
     getreply();
@@ -124,8 +124,10 @@
                 while(I1 < 0.2)
         {
             led1=1;led2=1;led3=1;led4=1;
+            mySpeaker.PlaySong(note,duration);
             wait(0.25);
             led1=0;led2=0;led3=0;led4=0;
+            mySpeaker.PlaySong(note,duration);
             wait(0.25);
             }
         if (setOut2 == 0){ // turn off when tmp >
@@ -465,8 +467,8 @@
 {
     gettemp();
     gettime();
-    pc.printf("\n\n RTC time   %s\r\n\n",timebuf);
-    pc.printf("++++++++++ Resetting ESP ++++++++++\r\n");
+    //pc.printf("\n\n RTC time   %s\r\n\n",timebuf);
+    //pc.printf("++++++++++ Resetting ESP ++++++++++\r\n");
     strcpy(cmdbuff,"AT+RST\r\n");
     timeout=8000;
     getcount=1000;