Amazon Echo (IR) TV Remote

1//PART 1. IR receiver Sketch to read IR codes from a remote controller.  The codes are needed in the IR Emitter Sketch.
2
3#include <IRremote.h>
4
5int  receiverpin = 3;
6
7IRrecv irrecv(receiverpin);
8decode_results results;
9
10void  setup() {
11  pinMode(receiverpin, INPUT);
12  Serial.begin(9600);
13  irrecv.enableIRIn();
14}
15
16void  loop() {
17  if (irrecv.decode(&results))
18  {
19    Serial.println(results.value,  HEX);
20    irrecv.resume();
21    delay(150);
22  }
23}
24
25
26//PART 2.  IR Emitter Sketch to send the appropriate IR code when trigger by the Wemos D1 Mini.Pls  note that the code 0xFD708F & 0xFDB04F below are from my TV remote controller. You  would have gotten yours from above sketch.
27
28#include <IRremote.h>
29#include  <IRremoteInt.h>
30
31IRsend irsend;
32
33int TVpower = 9;          //pin for  ON/OFF signal
34int TVmute = 8;         //pin for Volume signal
35int IRpower  = 2;          //power to IR LED
36
37int TVpowerState = 0;       //default states
38int  lastTVpowerState = 0;
39int TVmuteState = 0;
40int lastTVmuteState = 0;
41
42void  setup() {
43  Serial.begin(9600);
44  pinMode(TVpower, INPUT);
45  pinMode(TVmute,  INPUT);
46  pinMode(IRpower, OUTPUT);
47  digitalWrite(IRpower, HIGH);
48}
49
50void  loop() {
51  delay(3000);
52  TVmuteState = digitalRead(TVmute);
53  if (TVmuteState  != lastTVmuteState){
54    irsend.sendNEC(0xFD708F, 32);   //TV remote Volume-Mute  Code
55    Serial.println("Volume Mute");
56    delay(50);
57    lastTVmuteState  = TVmuteState;
58    }else{
59      TVpowerState = digitalRead(TVpower);
60      if  (TVpowerState != lastTVpowerState){
61        irsend.sendNEC(0xFDB04F, 32);     //TV  remote ON/OFF Code
62        Serial.println("TV ON");
63        delay(50);
64        lastTVpowerState = TVpowerState;
65        }else{
66          }
67      }
68  }  
69
70  
71
72//PART 3. This Sketch is for the Wemos D1 Mini to work with  Amazon Alexa to turn the digital output pins HIGH and LOW. Remember to key in your  Wifi details before loading the sketch into the Wemos D1 Mini.
73
74
75#include  <ESP8266WiFi.h>
76#include "WemoSwitch.h"
77#include "WemoManager.h"
78#include  "CallbackFunction.h"
79
80// prototypes
81boolean connectWifi();
82
83//Callbacks
84void  TVOn();
85void TVOff();
86void MuteOn();
87void MuteOff();
88
89//------- Replace  the following! ------
90char ssid[] = "YOUR WIFI NAME";       // your network  SSID
91char password[] = "YOUR WIFI PASSWORD";  // your network key
92
93WemoManager  wemoManager;
94WemoSwitch *TV = NULL;
95WemoSwitch *Mute = NULL;
96
97const  int TVpowerPin = D4;
98const int MutePin = D3;
99
100void setup()
101{
102  Serial.begin(115200);
103
104  // Set WiFi to station mode and disconnect from an AP if it was Previously
105  // connected
106  WiFi.mode(WIFI_STA);
107  WiFi.disconnect();
108  delay(100);
109
110  // Attempt to connect to Wifi network:
111  Serial.print("Connecting Wifi: ");
112  Serial.println(ssid);
113  WiFi.begin(ssid, password);
114  while (WiFi.status()  != WL_CONNECTED) {
115    Serial.print(".");
116    delay(500);
117  }
118  Serial.println("");
119  Serial.println("WiFi connected");
120  Serial.println("IP address: ");
121  IPAddress ip = WiFi.localIP();
122  Serial.println(ip);
123
124  wemoManager.begin();
125  // Format: Alexa invocation name, local port no, on callback, off callback
126  TV = new WemoSwitch("TV", 80, TVOn, TVOff);
127  wemoManager.addDevice(*TV);
128  Mute = new WemoSwitch("Mute", 81, MuteOn, MuteOff);
129  wemoManager.addDevice(*Mute);
130  
131  pinMode(TVpowerPin, OUTPUT); // initialize digital D0 as an output.
132  pinMode(MutePin, OUTPUT); // initialize digital D5 as an output.
133  delay(10);
134  digitalWrite(TVpowerPin, LOW);
135  digitalWrite(MutePin, LOW);
136}
137
138void  loop()
139{
140  wemoManager.serverLoop();
141}
142
143void TVOn() {
144    Serial.print("Turn  ON TV...");
145    digitalWrite(TVpowerPin, HIGH);
146}
147void TVOff() {
148    Serial.print("Turn  OFF TV...");
149    digitalWrite(TVpowerPin, LOW);
150}
151
152void MuteOn() {
153    Serial.print("Volume Mute ON...");
154    digitalWrite(MutePin, HIGH);
155}
156void  MuteOff() {
157    Serial.print("Volume Mute OFF...");
158    digitalWrite(MutePin,  LOW);
159}