-
Notifications
You must be signed in to change notification settings - Fork 5
/
GarageDoor.ino
166 lines (133 loc) · 4.44 KB
/
GarageDoor.ino
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
/*
* This sketch is for a garage door opener using an ESP8266-01 to control one
* relay and one sensor. GPIO 2 is used for the relay control. GPIO 3 (which is
* also RX) is used for the sensor.
* GPIO 1, which is also TX, can be still be used as the serial output for troubleshooting
*
* Created by Mark Nguyen. Last modified: 14Jan2016
*/
#include <ESP8266WiFi.h>
const char* ssid = "myssid";
const char* password = "mypassword";
// Create an instance of the server
// specify the port to listen on as an argument
WiFiServer server(80);
void setup() {
Serial.begin(115200);
delay(10);
// prepare GPIO2 and GPIO3
pinMode(3, INPUT);
pinMode(2, OUTPUT);
digitalWrite(2, 0);
// Connect to WiFi network
WiFi.mode(WIFI_STA);
// Connect to WiFi network
Serial.println();
Serial.println();
Serial.print("Connecting to ");
Serial.println(ssid);
WiFi.begin(ssid, password);
while (WiFi.status() != WL_CONNECTED) {
delay(500);
}
Serial.println("");
Serial.println("WiFi connected");
// Start the server
server.begin();
Serial.println("Server started");
// Print the IP address
Serial.println(WiFi.localIP());
}
void loop() {
// Check if a client has connected
WiFiClient client = server.available();
if (!client) {
return;
}
// Wait until the client sends some data
while(!client.available()){
delay(100);
}
// Read the first line of the request
String req = client.readStringUntil('\r');
Serial.println(req);
client.flush();
// activates the door signal if called from Web page
if (req.indexOf("godoor1") != -1) {
SendPulse(2);
WaitMessage(client);
client.stop();
return;
}
// Prepare the respose
String s = "HTTP/1.1 200 OK\r\nContent-Type: text/html\r\n\r\n";
// REST-like API section, in case you want to use GET commands to activate ports
if (req.indexOf("/door1") != -1) {
SendPulse(2);
// width reduced to accommodate mobile devices
s += "\r\n<!DOCTYPE HTML>\r\n<html>\r\n<body>\r\n<meta name=viewport content='width=400'>\r\n";
s += "<p>Sending signal to door 1</p>";
s += "</body></html>\n";
client.print(s);
client.stop();
return;
}
// Returns status of sensor in JSON format
else if (req.indexOf("/statusdoor1") != -1) {
if (digitalRead(3)) {
s += "{ \"status\": \"OPEN\" }";
}
else {
s += "{ \"status\": \"CLOSED\" }";
}
client.print(s);
client.stop();
return;
}
else {
}
// Main page
String m = "<!DOCTYPE html>\r\n<html>\r\n<head>\r\n<title>Mark's Garage Door</title>\r\n";
m += "<h1>Mark's Garage Door</h1>";
m += "<meta name=viewport content='width=400'>";
m += "Door 1:<br>";
// calls a function that returns a String with the state of the switch
m += GetSwitchState(client,3);
m += "<form method=\"get\" action=\"/godoor1\"><button type=\"submit\" style='height:50px; width:200px'>Press Door Button</button></form><br><br>\n";
m += "<hr>";
m += "</html>\n";
client.print(m);
delay(1);
}
// This page has a countdown timer to allow time for door to open or close
void WaitMessage(WiFiClient cl) {
// Prepare the response
String response = "HTTP/1.1 200 OK\r\nContent-Type: text/html\r\n\r\n";
response += "<html><meta name=viewport content='width=400'>\r\n";
response += "<script type=\"text/javascript\">\r\n";
response += "window.onload = function() { setInterval(countdown, 1000); }\r\n";
response += "function countdown() {\r\n";
response += " var num = parseInt(document.getElementById('timer').innerHTML);\r\n";
response += " if(--num < 0) location.href=document.referrer;\r\n";
response += " else document.getElementById('timer').innerHTML = num;\r\n";
response += "}\r\n</script>\r\n";
response += "<body>Activating the door - please wait...<br><br>\r\n";
response += "This page will automatically refresh in <span id=\"timer\">14</span> seconds...";
response += "</body></html>\n";
cl.print(response);
}
// send a HIGH signal to the relay for 500ms, which simulates a button
void SendPulse(int doornum) {
digitalWrite(doornum, HIGH);
delay(500);
digitalWrite(doornum, LOW);
}
// check on status of a GPIO
String GetSwitchState(WiFiClient cl, int doornum) {
if (digitalRead(doornum)) {
return("<p>This door is currently: OPEN</p>");
}
else {
return("<p>This door is currently: CLOSED</p>");
}
}