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added autoconnect config, checks status before action, prevent unexpected error log, updates node.status

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added autoconnect config, checks status before action, prevent unexpected error log, updates node.status
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htmltiger 2023-06-23 02:27:54 +01:00 committed by GitHub
parent 542d837c7c
commit 0c0f45b8f5
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1 changed files with 42 additions and 27 deletions
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43
io/serialport/25-serial.js
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@ -27,6 +27,7 @@ module.exports = function(RED) {
this.waitfor = n.waitfor || "";
this.responsetimeout = n.responsetimeout || 10000;
this.serialReconnectTime = n.serialReconnectTime || settings.serialReconnectTime || 15000;
this.autoConnect = (typeof n.autoConnect === "undefined")? true : n.autoConnect;
}
RED.nodes.registerType("serial-port",SerialPortNode);
@ -45,9 +46,11 @@ module.exports = function(RED) {
if (msg.hasOwnProperty("action") && this.serialConfig) {
if(msg.action == "disconnect"){
serialPool.disconnect(this.serialConfig.serialport);
node.status({fill:"red",shape:"ring",text:"node-red:common.status.not-connected"});
}else if(msg.action == "connect"){
serialPool.connect(this.serialConfig.serialport);
}
return;
}
if (msg.hasOwnProperty("baudrate")) {
var baud = parseInt(msg.baudrate);
@ -145,9 +148,11 @@ module.exports = function(RED) {
if (msg.hasOwnProperty("action") && this.serialConfig) {
if(msg.action == "disconnect"){
serialPool.disconnect(this.serialConfig.serialport);
node.status({fill:"red",shape:"ring",text:"node-red:common.status.not-connected"});
}else if(msg.action == "connect"){
serialPool.connect(this.serialConfig.serialport);
}
return;
}
if (msg.hasOwnProperty("baudrate")) {
var baud = parseInt(msg.baudrate);
@ -233,8 +238,7 @@ module.exports = function(RED) {
waitfor = serialConfig.waitfor,
binoutput = serialConfig.bin,
addchar = serialConfig.addchar,
responsetimeout = serialConfig.responsetimeout,
serialReconnectTime = serialConfig.serialReconnectTime;
responsetimeout = serialConfig.responsetimeout;
var id = port;
// just return the connection object if already have one
// key is the port (file path)
@ -270,6 +274,10 @@ module.exports = function(RED) {
var obj = {
_emitter: new events.EventEmitter(),
serial: null,
isOpen: false,
forceDc: false,
autoConnect: serialConfig.autoConnect,
_autoConnect: serialConfig.autoConnect,
_closing: false,
tout: null,
queue: [],
@ -367,30 +375,38 @@ module.exports = function(RED) {
olderr = err.toString();
RED.log.error("[serialconfig:"+serialConfig.id+"] "+RED._("serial.errors.error",{port:port,error:olderr}), {});
}
if(obj._autoConnect){
obj.tout = setTimeout(function() {
setupSerial();
}, serialReconnectTime);
}, serialConfig.serialReconnectTime);
}
}
});
obj.serial.on('error', function(err) {
RED.log.error("[serialconfig:"+serialConfig.id+"] "+RED._("serial.errors.error",{port:port,error:err.toString()}), {});
obj._emitter.emit('closed');
obj.isOpen = false;
if (obj.tout) { clearTimeout(obj.tout); }
if(obj._autoConnect){
obj.tout = setTimeout(function() {
setupSerial();
}, serialReconnectTime);
}, serialConfig.serialReconnectTime);
}
});
obj.serial.on('close', function() {
if (!obj._closing) {
if (olderr !== "unexpected") {
if (olderr !== "unexpected" && obj.forceDc == false) {
olderr = "unexpected";
RED.log.error("[serialconfig:"+serialConfig.id+"] "+RED._("serial.errors.unexpected-close",{port:port}), {});
}
obj.isOpen = false;
obj._emitter.emit('closed');
if(obj._autoConnect){
if (obj.tout) { clearTimeout(obj.tout); }
obj.tout = setTimeout(function() {
setupSerial();
}, serialReconnectTime);
}, serialConfig.serialReconnectTime);
}
}
});
obj.serial.on('open',function() {
@ -405,6 +421,7 @@ module.exports = function(RED) {
if (dtr != "none" || rts != "none" || cts != "none" || dsr != "none") { obj.serial.set(flags); }
if (obj.tout) { clearTimeout(obj.tout); obj.tout = null; }
//obj.serial.flush();
obj.isOpen = true;
obj._emitter.emit('ready');
});
@ -502,22 +519,20 @@ module.exports = function(RED) {
}
},
connect: function(port) {
if (connections[port]) {
try {
if (connections[port] && connections[port].isOpen == false ) {
connections[port]._autoConnect = connections[port].autoConnect; // restore original auto connect config
connections[port].connect();
}
catch(err) { }
}
},
disconnect: function(port) {
if (connections[port]) {
try {
if (connections[port] && connections[port].isOpen == true) {
connections[port]._autoConnect = false; // disable auto connect on manual disconnect
connections[port].forceDc = true; // to prevent logging as an unexpected error
connections[port].disconnect(function() {
RED.log.info(RED._("serial.errors.closed",{port:port}), {});
connections[port].forceDc = false;
});
}
catch(err) { }
}
}
}
}());