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gpio retry failing pin connection

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This commit is contained in:
Dave Conway-Jones
2022-07-14 19:00:58 +01:00
parent c32823a85a
commit c9f57afe22
2 changed files with 50 additions and 42 deletions
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90
hardware/PiGpio/36-rpi-gpio.js
View File

@@ -45,46 +45,53 @@ module.exports = function(RED) {
}
}
var startPin = function() {
node.child = spawn(gpioCommand, ["in",node.pin,node.intype,node.debounce]);
node.running = true;
node.status({fill:"yellow",shape:"dot",text:"rpi-gpio.status.ok"});
node.child.stdout.on('data', function (data) {
var d = data.toString().trim().split("\n");
for (var i = 0; i < d.length; i++) {
if (d[i] === '') { return; }
if (node.running && node.buttonState !== -1 && !isNaN(Number(d[i])) && node.buttonState !== d[i]) {
node.send({ topic:"gpio/"+node.pin, payload:Number(d[i]) });
}
node.buttonState = d[i];
node.status({fill:"green",shape:"dot",text:d[i]});
if (RED.settings.verbose) { node.log("out: "+d[i]+" :"); }
}
});
node.child.stderr.on('data', function (data) {
if (RED.settings.verbose) { node.log("err: "+data+" :"); }
});
node.child.on('close', function (code) {
node.running = false;
node.child.removeAllListeners();
delete node.child;
if (RED.settings.verbose) { node.log(RED._("rpi-gpio.status.closed")); }
if (!node.finished && code === 1) {
setTimeout(function() {startPin()}, 250);
}
else if (node.finished) {
node.status({fill:"grey",shape:"ring",text:"rpi-gpio.status.closed"});
node.finished();
}
else { node.status({fill:"red",shape:"ring",text:"rpi-gpio.status.stopped"}); }
});
node.child.on('error', function (err) {
if (err.errno === "ENOENT") { node.error(RED._("rpi-gpio.errors.commandnotfound")); }
else if (err.errno === "EACCES") { node.error(RED._("rpi-gpio.errors.commandnotexecutable")); }
else { node.error(RED._("rpi-gpio.errors.error",{error:err.errno})) }
});
}
if (allOK === true) {
if (node.pin !== undefined) {
node.child = spawn(gpioCommand, ["in",node.pin,node.intype,node.debounce]);
node.running = true;
node.status({fill:"yellow",shape:"dot",text:"rpi-gpio.status.ok"});
node.child.stdout.on('data', function (data) {
var d = data.toString().trim().split("\n");
for (var i = 0; i < d.length; i++) {
if (d[i] === '') { return; }
if (node.running && node.buttonState !== -1 && !isNaN(Number(d[i])) && node.buttonState !== d[i]) {
node.send({ topic:"gpio/"+node.pin, payload:Number(d[i]) });
}
node.buttonState = d[i];
node.status({fill:"green",shape:"dot",text:d[i]});
if (RED.settings.verbose) { node.log("out: "+d[i]+" :"); }
}
});
node.child.stderr.on('data', function (data) {
if (RED.settings.verbose) { node.log("err: "+data+" :"); }
});
node.child.on('close', function (code) {
node.running = false;
node.child = null;
if (RED.settings.verbose) { node.log(RED._("rpi-gpio.status.closed")); }
if (node.finished) {
node.status({fill:"grey",shape:"ring",text:"rpi-gpio.status.closed"});
node.finished();
}
else { node.status({fill:"red",shape:"ring",text:"rpi-gpio.status.stopped"}); }
});
node.child.on('error', function (err) {
if (err.errno === "ENOENT") { node.error(RED._("rpi-gpio.errors.commandnotfound")); }
else if (err.errno === "EACCES") { node.error(RED._("rpi-gpio.errors.commandnotexecutable")); }
else { node.error(RED._("rpi-gpio.errors.error",{error:err.errno})) }
});
startPin();
}
else {
node.warn(RED._("rpi-gpio.errors.invalidpin")+": "+node.pin);
@@ -109,8 +116,9 @@ module.exports = function(RED) {
if (node.child != null) {
node.finished = done;
node.child.stdin.write("close "+node.pin, () => {
node.child.kill('SIGKILL');
setTimeout(function() { if (done) { done(); } }, 25);
if (node.child) {
node.child.kill('SIGKILL');
}
});
}
else { if (done) { done(); } }
@@ -214,7 +222,7 @@ module.exports = function(RED) {
node.finished = done;
node.child.stdin.write("close "+node.pin, () => {
node.child.kill('SIGKILL');
setTimeout(function() { if (done) { done(); } }, 25);
setTimeout(function() { if (done) { done(); } }, 50);
});
}
else { if (done) { done(); } }

2
hardware/PiGpio/package.json
View File

@@ -1,6 +1,6 @@
{
"name": "node-red-node-pi-gpio",
"version": "2.0.4",
"version": "2.0.5",
"description": "The basic Node-RED node for Pi GPIO",
"dependencies" : {
},