frodovdr
/
node-red-nodes
mirror of https://github.com/node-red/node-red-nodes.git
1
0
Fork 0
Code Issues Releases Wiki Activity

Merge pull request #184 from jpmanson/master 

Arduino node - Added support for sending and receiving strings
thanks @jpmanson
This commit is contained in:
Dave Conway-Jones 2016-03-02 14:00:47 +00:00
parent 1ee031cad7 57445cdfd0
commit f676005cad
3 changed files with 29 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
hardware/Arduino/35-arduino.html
View File

@ -27,6 +27,7 @@
<select type="text" id="node-input-state" style="width: 150px;">
<option value="INPUT" data-i18n="arduino.state.in.digital"></option>
<option value="ANALOG" data-i18n="arduino.state.in.analogue"></option>
<option value="STRING" data-i18n="arduino.state.in.string"></option>
</select>
</div>
<div class="form-row">
@ -83,6 +84,7 @@
<option value="OUTPUT" data-i18n="arduino.state.out.digital"></option>
<option value="PWM" data-i18n="arduino.state.out.analogue"></option>
<option value="SERVO" data-i18n="arduino.state.out.servo"></option>
<option value="STRING" data-i18n="arduino.state.out.string"></option>
</select>
</div>
<div class="form-row">
@ -106,7 +108,7 @@
color:"#3fadb5",
defaults: {
name: {value:""},
pin: {value:"",required:true},
pin: {value:"",required:false},
state: {value:"",required:true},
arduino: {type:"arduino-board"}
},

22
hardware/Arduino/35-arduino.js
View File

@ -102,6 +102,13 @@ module.exports = function(RED) {
node.send(msg);
});
}
if (node.state == "STRING") {
node.board.on('sysex', function(e) {
var string = new Buffer(e.data.slice(0, -1)).toString("utf8").replace(/\0/g, "");
var msg = {payload:string, topic:"string"};
node.send(msg);
});
}
});
}
else {
@ -127,9 +134,10 @@ module.exports = function(RED) {
node.board.on('connect', function() {
node.status({fill:"green",shape:"dot",text:"node-red:common.status.connected"});
//console.log("o",node.state,node.pin);
node.board.pinMode(node.pin, node.state);
node.on("input", function(msg) {
if (node.state === "OUTPUT") {
node.board.pinMode(node.pin, node.state);
if ((msg.payload === true)||(msg.payload.toString() == "1")||(msg.payload.toString().toLowerCase() == "on")) {
node.board.digitalWrite(node.pin, true);
}
@ -138,12 +146,14 @@ module.exports = function(RED) {
}
}
if (node.state === "PWM") {
node.board.pinMode(node.pin, node.state);
msg.payload = parseInt((msg.payload * 1) + 0.5);
if ((msg.payload >= 0) && (msg.payload <= 255)) {
node.board.analogWrite(node.pin, msg.payload);
}
}
if (node.state === "SERVO") {
node.board.pinMode(node.pin, node.state);
msg.payload = parseInt((msg.payload * 1) + 0.5);
if ((msg.payload >= 0) && (msg.payload <= 180)) {
node.board.servoWrite(node.pin, msg.payload);
@ -152,6 +162,16 @@ module.exports = function(RED) {
if (node.state === "SYSEX") {
node.board.sysex(msg.payload);
}
if (node.state === "STRING") {
var bytes = new Buffer(msg.payload.toString(), "utf8");
var data = [];
for (var i = 0, length = bytes.length; i < length; i++) {
data.push(bytes[i] & 0x7F);
data.push((bytes[i] >> 7) & 0x7F);
}
data.push(0);
node.board.sysex(0x71, data);
}
});
});
}

8
hardware/Arduino/locales/en-US/35-arduino.json
View File

@ -18,12 +18,14 @@
"state": {
"in": {
"digital": "Digital pin",
"analogue": "Analogue pin"
"analogue": "Analogue pin",
"string": "String"
},
"out": {
"digital": "Digital (0/1)",
"analogue": "Analogue (0-255)",
"servo": "Servo (0-180)"
"servo": "Servo (0-180)",
"string": "String"
}
},
"tip": {
@ -35,4 +37,4 @@
"devnotfound": "device __dev__ not found. Trying to find board."
}
}
}
}