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node-red-nodes
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Let Arduino node reconnect 

To close #532
This commit is contained in:
Dave Conway-Jones 2019-04-10 09:57:16 +01:00
parent 0cb8e2594d
commit 41acbf5af7
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GPG Key ID: 9E7F9C73F5168CD4
2 changed files with 133 additions and 103 deletions
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234
hardware/Arduino/35-arduino.js
View File

@ -10,26 +10,35 @@ module.exports = function(RED) {
RED.nodes.createNode(this,n);
this.device = n.device || null;
var node = this;
var running = false;
node.board = new Board(node.device, function(e) {
//console.log("ERR",e);
if ((e !== undefined) && (e.toString().indexOf("cannot open") !== -1) ) {
node.error(RED._("arduino.errors.portnotfound",{device:node.device}));
}
else if (e === undefined) {
node.board.on('ready', function() {
node.log(RED._("arduino.status.connected",{device:node.board.sp.path}));
if (RED.settings.verbose) {
node.log(RED._("arduino.status.version",{version:node.board.firmware.name+"-"+node.board.version.major+"."+node.board.version.minor}));
}
});
}
node.board.on('close', function() {
node.error(RED._("arduino.status.portclosed"));
var startup = function() {
node.board = new Board(node.device, function(e) {
if ((e !== undefined) && (e.toString().indexOf("cannot open") !== -1) ) {
node.error(RED._("arduino.errors.portnotfound",{device:node.device}));
}
else if (e === undefined) {
running = true;
node.board.once('ready', function() {
node.log(RED._("arduino.status.connected",{device:node.board.sp.path}));
if (RED.settings.verbose) {
node.log(RED._("arduino.status.version",{version:node.board.firmware.name+"-"+node.board.version.major+"."+node.board.version.minor}));
}
});
node.board.once('close', function() {
node.error(RED._("arduino.status.portclosed"));
});
node.board.once('disconnect', function() {
if (running) { setTimeout(function() { running = false; startup(); }, 5000); }
});
}
});
});
setTimeout(function() { if (!running) { startup(); } }, 5000);
};
startup();
node.on('close', function(done) {
running = false;
if (node.board) {
try {
node.board.transport.close(function() {
@ -53,59 +62,68 @@ module.exports = function(RED) {
this.state = n.state;
this.arduino = n.arduino;
this.serverConfig = RED.nodes.getNode(this.arduino);
this.running = false;
if (typeof this.serverConfig === "object") {
this.board = this.serverConfig.board;
var node = this;
node.oldval = "";
node.status({fill:"red",shape:"ring",text:"node-red:common.status.connecting"});
var doit = function() {
node.status({fill:"green",shape:"dot",text:"node-red:common.status.connected"});
if (node.state === "ANALOG") {
node.board.pinMode(node.pin, 0x02);
node.board.analogRead(node.pin, function(v) {
if (v !== node.oldval) {
node.oldval = v;
node.send({payload:v, topic:"A"+node.pin});
}
var startup = function() {
this.board = this.serverConfig.board;
var node = this;
node.oldval = "";
node.status({fill:"grey",shape:"ring",text:"node-red:common.status.connecting"});
var doit = function() {
node.running = true;
node.status({fill:"green",shape:"dot",text:"node-red:common.status.connected"});
if (node.state === "ANALOG") {
node.board.pinMode(node.pin, 0x02);
node.board.analogRead(node.pin, function(v) {
if (v !== node.oldval) {
node.oldval = v;
node.send({payload:v, topic:"A"+node.pin});
}
});
}
if (node.state === "INPUT") {
node.board.pinMode(node.pin, 0x00);
node.board.digitalRead(node.pin, function(v) {
if (v !== node.oldval) {
node.oldval = v;
node.send({payload:v, topic:node.pin});
}
});
}
if (node.state === "PULLUP") {
node.board.pinMode(node.pin, 0x0B);
node.board.digitalRead(node.pin, function(v) {
if (v !== node.oldval) {
node.oldval = v;
node.send({payload:v, topic:node.pin});
}
});
}
if (node.state == "STRING") {
node.board.on('string', function(v) {
if (v !== node.oldval) {
node.oldval = v;
node.send({payload:v, topic:"string"});
}
});
}
node.board.once('disconnect', function() {
node.status({fill:"red",shape:"ring",text:"node-red:common.status.not-connected"});
if (node.running) { setTimeout(function() { node.running = false; startup(); }, 5500); }
});
}
if (node.state === "INPUT") {
node.board.pinMode(node.pin, 0x00);
node.board.digitalRead(node.pin, function(v) {
if (v !== node.oldval) {
node.oldval = v;
node.send({payload:v, topic:node.pin});
}
});
}
if (node.state === "PULLUP") {
node.board.pinMode(node.pin, 0x0B);
node.board.digitalRead(node.pin, function(v) {
if (v !== node.oldval) {
node.oldval = v;
node.send({payload:v, topic:node.pin});
}
});
}
if (node.state == "STRING") {
node.board.on('string', function(v) {
if (v !== node.oldval) {
node.oldval = v;
node.send({payload:v, topic:"string"});
}
});
}
// node.board.on('close', function() {
// node.board.removeAllListeners();
// node.status({fill:"grey",shape:"ring",text:"node-red:common.status.not-connected"});
// });
if (node.board.isReady) { doit(); }
else { node.board.once("ready", function() { doit(); }); }
setTimeout(function() { if (!node.running) { startup(); } }, 4500);
}
if (node.board.isReady) { doit(); }
else { node.board.on("ready", function() { doit(); }); }
startup();
}
else {
this.warn(RED._("arduino.errors.portnotconf"));
}
node.on('close', function() {
node.running = false;
});
}
RED.nodes.registerType("arduino in",DuinoNodeIn);
@ -118,53 +136,65 @@ module.exports = function(RED) {
this.state = n.state;
this.arduino = n.arduino;
this.serverConfig = RED.nodes.getNode(this.arduino);
if (typeof this.serverConfig === "object") {
this.board = this.serverConfig.board;
var node = this;
node.status({fill:"red",shape:"ring",text:"node-red:common.status.connecting"});
var doit = function() {
node.status({fill:"green",shape:"dot",text:"node-red:common.status.connected"});
node.on("input", function(msg) {
if (node.state === "OUTPUT") {
node.board.pinMode(node.pin, 0x01);
if ((msg.payload === true)||(msg.payload.toString() == "1")||(msg.payload.toString().toLowerCase() == "on")) {
node.board.digitalWrite(node.pin, node.board.HIGH);
this.running = false;
var node = this;
if (typeof node.serverConfig === "object") {
var startup = function() {
node.board = node.serverConfig.board;
node.status({fill:"grey",shape:"ring",text:"node-red:common.status.connecting"});
var doit = function() {
node.running = true;
node.status({fill:"green",shape:"dot",text:"node-red:common.status.connected"});
node.on("input", function(msg) {
if (node.board.isReady) {
if (node.state === "OUTPUT") {
node.board.pinMode(node.pin, 0x01);
if ((msg.payload === true)||(msg.payload.toString() == "1")||(msg.payload.toString().toLowerCase() == "on")) {
node.board.digitalWrite(node.pin, node.board.HIGH);
}
if ((msg.payload === false)||(msg.payload.toString() == "0")||(msg.payload.toString().toLowerCase() == "off")) {
node.board.digitalWrite(node.pin, node.board.LOW);
}
}
if (node.state === "PWM") {
node.board.pinMode(node.pin, 0x03);
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, 0x04);
msg.payload = parseInt((msg.payload * 1) + 0.5);
if ((msg.payload >= 0) && (msg.payload <= 180)) {
node.board.servoWrite(node.pin, msg.payload);
}
}
if (node.state === "SYSEX") {
node.board.sysexCommand(msg.payload);
}
if (node.state === "STRING") {
node.board.sendString(msg.payload.toString());
}
if ((msg.payload === false)||(msg.payload.toString() == "0")||(msg.payload.toString().toLowerCase() == "off")) {
node.board.digitalWrite(node.pin, node.board.LOW);
}
}
if (node.state === "PWM") {
node.board.pinMode(node.pin, 0x03);
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, 0x04);
msg.payload = parseInt((msg.payload * 1) + 0.5);
if ((msg.payload >= 0) && (msg.payload <= 180)) {
node.board.servoWrite(node.pin, msg.payload);
}
}
if (node.state === "SYSEX") {
node.board.sysexCommand(msg.payload);
}
if (node.state === "STRING") {
node.board.sendString(msg.payload.toString());
}
});
// node.board.on('close', function() {
// node.status({fill:"grey",shape:"ring",text:"node-red:common.status.not-connected"});
// });
});
node.board.once('disconnect', function() {
node.status({fill:"red",shape:"ring",text:"node-red:common.status.not-connected"});
if (node.running) { setTimeout(function() { node.running = false; startup(); }, 5500); }
});
}
if (node.board.isReady) { doit(); }
else { node.board.once("ready", function() { doit(); }); }
setTimeout(function() { if (!node.running) { startup(); } }, 4500);
}
if (node.board.isReady) { doit(); }
else { node.board.on("ready", function() { doit(); }); }
startup();
}
else {
this.warn(RED._("arduino.errors.portnotconf"));
node.warn(RED._("arduino.errors.portnotconf"));
}
node.on('close', function() {
node.running = false;
});
}
RED.nodes.registerType("arduino out",DuinoNodeOut);

2
hardware/Arduino/package.json
View File

@ -1,6 +1,6 @@
{
"name" : "node-red-node-arduino",
"version" : "0.1.0",
"version" : "0.2.0",
"description" : "A Node-RED node to talk to an Arduino running firmata",
"dependencies" : {
"firmata" : "^2.0.0"