Relay control
Added code to actually change the GPIO pins on the raspberry pi and turn a light on or off thru a relay board.
3 changed files with 21 additions and 9 deletions
+ 1
- 0
package.json
@@ -14,6 +14,7 @@ |
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| 14 | 14 |
"ejs": "^2.5.7", |
| 15 | 15 |
"express": "^4.15.4", |
| 16 | 16 |
"express-ejs-layouts": "^2.3.1", |
| 17 |
+ "rpio": "^0.9.17", |
|
| 17 | 18 |
"socket.io": "^2.0.3", |
| 18 | 19 |
"winston": "^2.3.1" |
| 19 | 20 |
} |
+ 18
- 7
relay_controller.js
@@ -1,8 +1,17 @@ |
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| 1 | 1 |
var logger = require('winston');
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| 2 |
+var rpio = require("rpio")
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|
| 3 |
+ |
|
| 4 |
+var relay_status = [ |
|
| 5 |
+ {
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+ code: "L01", |
|
| 7 |
+ status: true, |
|
| 8 |
+ pin: 35 |
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| 9 |
+ } |
|
| 10 |
+] |
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| 2 | 11 |
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| 3 | 12 |
module.exports.start = function(router, channel){
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| 4 | 13 |
logger.info("Starting Relay controller module");
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| 5 |
- |
|
| 14 |
+ rpio.open(relay_status[0].pin, rpio.OUTPUT, rpio.LOW); |
|
| 6 | 15 |
router.post('/switch_relay', function (req, res) {
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| 7 | 16 |
logger.info("Received request for switching relays", req.body);
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| 8 | 17 |
if(req.body != undefined){
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@@ -26,17 +35,19 @@ module.exports.monitor = function(socket, channel){
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| 26 | 35 |
}); |
| 27 | 36 |
} |
| 28 | 37 |
|
| 29 |
-var relay_status = [ |
|
| 30 |
- {
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| 31 |
- code: "L01", |
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| 32 |
- status: true |
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- } |
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-] |
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| 38 |
+ |
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| 35 | 39 |
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| 36 | 40 |
var switchRelay = function(code, status){
|
| 37 | 41 |
switch (code) {
|
| 38 | 42 |
case "L01": |
| 39 | 43 |
// switch on light relay |
| 44 |
+ if(status == true) {
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|
| 45 |
+ rpio.write(relay_status[0].pin, rpio.HIGH); |
|
| 46 |
+ logger.debug("Switched L01 ON");
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|
| 47 |
+ } else {
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| 48 |
+ rpio.write(relay_status[0].pin, rpio.LOW); |
|
| 49 |
+ logger.debug("Switched L01 OFF");
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|
| 50 |
+ } |
|
| 40 | 51 |
relay_status[0].status = status; |
| 41 | 52 |
return true; |
| 42 | 53 |
break; |
+ 2
- 2
views/index.html
@@ -126,7 +126,7 @@ |
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| 126 | 126 |
|
| 127 | 127 |
<script src="/socket.io/socket.io.js"></script> |
| 128 | 128 |
<script> |
| 129 |
- var socket = io.connect('http://localhost:3100/');
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|
| 129 |
+ var socket = io.connect('/');
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|
| 130 | 130 |
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| 131 | 131 |
var http_post = function(url, data){
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| 132 | 132 |
var xhr = new XMLHttpRequest(); |
@@ -184,7 +184,7 @@ |
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| 184 | 184 |
socket.emit('relay_switch_update', {});
|
| 185 | 185 |
setInterval(function () {
|
| 186 | 186 |
socket.emit('relay_switch_update', {});
|
| 187 |
- }, 5000); |
|
| 187 |
+ }, 3000000); |
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| 188 | 188 |
|
| 189 | 189 |
|
| 190 | 190 |
</script> |