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Code Issues Releases Wiki Activity

Bit more consistent error handling / status updates for Pi GPIO node

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This commit is contained in:
dceejay 2015-02-03 17:22:32 +00:00
parent 07acc6642f
commit a22f819f40
2 changed files with 40 additions and 22 deletions
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58
nodes/core/hardware/36-rpi-gpio.js
View File

@ -57,7 +57,7 @@ module.exports = function(RED) {
}
else {
if ((pinsInUse[this.pin] !== this.intype)||(pinsInUse[this.pin] === "pwm")) {
node.error("GPIO pin "+this.pin+" already set as "+pinTypes[pinsInUse[this.pin]]);
node.warn("GPIO pin "+this.pin+" already set as "+pinTypes[pinsInUse[this.pin]]);
}
}
@ -89,24 +89,27 @@ module.exports = function(RED) {
node.child.on('close', function (code) {
node.child = null;
node.running = false;
node.status({fill:"red",shape:"circle",text:""});
if (RED.settings.verbose) { node.log("closed"); }
if (node.done) { node.done(); }
if (node.done) {
node.status({fill:"grey",shape:"ring",text:"closed"});
node.done();
}
else { node.status({fill:"red",shape:"ring",text:"stopped"}); }
});
node.child.on('error', function (err) {
if (err.errno === "ENOENT") { node.warn('Command not found'); }
else if (err.errno === "EACCES") { node.warn('Command not executable'); }
if (err.errno === "ENOENT") { node.error('nrgpio command not found'); }
else if (err.errno === "EACCES") { node.error('nrgpio command not executable'); }
else { node.log('error: ' + err); }
});
}
else {
node.error("Invalid GPIO pin: "+node.pin);
node.warn("Invalid GPIO pin: "+node.pin);
}
node.on("close", function(done) {
node.status({fill:"red",shape:"circle",text:""});
node.status({fill:"grey",shape:"ring",text:"close"});
delete pinsInUse[node.pin];
if (node.child != null) {
node.done = done;
@ -131,7 +134,7 @@ module.exports = function(RED) {
}
else {
if ((pinsInUse[this.pin] !== this.out)||(pinsInUse[this.pin] === "pwm")) {
node.error("GPIO pin "+this.pin+" already set as "+pinTypes[pinsInUse[this.pin]]);
node.warn("GPIO pin "+this.pin+" already set as "+pinTypes[pinsInUse[this.pin]]);
}
}
@ -143,9 +146,14 @@ module.exports = function(RED) {
if (node.out === "pwm") { limit = 100; }
if ((out >= 0) && (out <= limit)) {
if (RED.settings.verbose) { node.log("out: "+msg.payload); }
if (node.child !== null) { node.child.stdin.write(msg.payload+"\n"); }
else { node.warn("Command not running"); }
node.status({fill:"green",shape:"dot",text:msg.payload});
if (node.child !== null) {
node.child.stdin.write(msg.payload+"\n");
node.status({fill:"green",shape:"dot",text:msg.payload});
}
else {
node.error("nrpgio python command not running");
node.status({fill:"red",shape:"ring",text:"not running"});
}
}
else { node.warn("Invalid input: "+out); }
}
@ -172,24 +180,27 @@ module.exports = function(RED) {
node.child.on('close', function (code) {
node.child = null;
node.running = false;
node.status({fill:"red",shape:"circle",text:""});
if (RED.settings.verbose) { node.log("closed"); }
if (node.done) { node.done(); }
if (node.done) {
node.status({fill:"grey",shape:"ring",text:"closed"});
node.done();
}
else { node.status({fill:"red",shape:"ring",text:"stopped"}); }
});
node.child.on('error', function (err) {
if (err.errno === "ENOENT") { node.warn('Command not found'); }
else if (err.errno === "EACCES") { node.warn('Command not executable'); }
if (err.errno === "ENOENT") { node.error('nrgpio ommand not found'); }
else if (err.errno === "EACCES") { node.error('nrgpio command not executable'); }
else { node.log('error: ' + err); }
});
}
else {
node.error("Invalid GPIO pin: "+node.pin);
node.warn("Invalid GPIO pin: "+node.pin);
}
node.on("close", function(done) {
node.status({fill:"red",shape:"circle",text:""});
node.status({fill:"grey",shape:"ring",text:"close"});
delete pinsInUse[node.pin];
if (node.child != null) {
node.done = done;
@ -237,19 +248,22 @@ module.exports = function(RED) {
node.child.on('close', function (code) {
node.child = null;
node.running = false;
node.status({fill:"red",shape:"circle",text:""});
if (RED.settings.verbose) { node.log("closed"); }
if (node.done) { node.done(); }
if (node.done) {
node.status({fill:"grey",shape:"ring",text:"closed"});
node.done();
}
else { node.status({fill:"red",shape:"ring",text:"stopped"}); }
});
node.child.on('error', function (err) {
if (err.errno === "ENOENT") { node.warn('Command not found'); }
else if (err.errno === "EACCES") { node.warn('Command not executable'); }
if (err.errno === "ENOENT") { node.error('nrgpio ommand not found'); }
else if (err.errno === "EACCES") { node.error('nrgpio ommand not executable'); }
else { node.log('error: ' + err); }
});
node.on("close", function(done) {
node.status({fill:"red",shape:"circle",text:""});
node.status({fill:"grey",shape:"ring",text:"close"});
if (node.child != null) {
node.done = done;
node.child.kill('SIGINT');

4
nodes/core/hardware/nrgpio.py
View File

@ -19,6 +19,10 @@ import sys
bounce = 20 # bounce time in mS to apply
if sys.version_info >= (3,0):
print("Sorry - currently only configured to work with python 2.x")
sys.exit(1)
if len(sys.argv) > 1:
cmd = sys.argv[1].lower()
pin = int(sys.argv[2])