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Added support for sending and receiving strings

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This commit is contained in:
Juan Pablo Manson 2016-03-01 11:03:47 -03:00
parent ea9356a3cc
commit a8d0465021
1 changed files with 21 additions and 1 deletions
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22
hardware/Arduino/35-arduino.js
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@ -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);
}
});
});
}