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Fix Pi GPIO debounce

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To close #1139
This commit is contained in:
Dave Conway-Jones
2017-02-27 19:22:02 +00:00
parent ee0bd49918
commit 8b31a918a4
3 changed files with 11 additions and 9 deletions
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3
nodes/core/hardware/36-rpi-gpio.html
View File

@@ -218,7 +218,6 @@
var pinsInUse = {};
RED.nodes.registerType('rpi-gpio out',{
category: 'Raspberry Pi',
label: 'Raspberry Pi',
color:"#c6dbef",
defaults: {
name: { value:"" },
@@ -351,7 +350,6 @@
<script type="text/javascript">
RED.nodes.registerType('rpi-mouse',{
category: 'Raspberry Pi',
label: 'Raspberry Pi',
color:"#c6dbef",
defaults: {
name: { value:"" },
@@ -390,7 +388,6 @@
<script type="text/javascript">
RED.nodes.registerType('rpi-keyboard',{
category: 'Raspberry Pi',
label: 'Raspberry Pi',
color:"#c6dbef",
defaults: {
name: { value:"" }

7
nodes/core/hardware/36-rpi-gpio.js
View File

@@ -36,11 +36,16 @@ module.exports = function(RED) {
try {
fs.statSync("/usr/lib/python2.7/site-packages/RPi/GPIO"); // test on Arch
}
catch(err) {
try {
fs.statSync("/usr/lib/python2.7/dist-packages/RPi/GPIO"); // test on Hypriot
}
catch(err) {
RED.log.warn(RED._("rpi-gpio.errors.libnotfound"));
throw "Warning : "+RED._("rpi-gpio.errors.libnotfound");
}
}
}
if ( !(1 & parseInt((fs.statSync(gpioCommand).mode & parseInt("777", 8)).toString(8)[0]) )) {
RED.log.error(RED._("rpi-gpio.errors.needtobeexecutable",{command:gpioCommand}));
@@ -79,7 +84,7 @@ module.exports = function(RED) {
node.child.stdout.on('data', function (data) {
var d = data.toString().trim().split("\n");
for (var i = 0; i < d.length; i++) {
if (node.running && node.buttonState !== -1 && !isNaN(Number(d[i]))) {
if (node.running && node.buttonState !== -1 && !isNaN(Number(d[i])) && node.buttonState !== d[i]) {
node.send({ topic:"pi/"+node.pin, payload:Number(d[i]) });
}
node.buttonState = d[i];

6
nodes/core/hardware/nrgpio.py
View File

@@ -99,9 +99,9 @@ if len(sys.argv) > 2:
elif cmd == "in":
#print "Initialised pin "+str(pin)+" to IN"
bounce = int(sys.argv[4])
bounce = float(sys.argv[4])
def handle_callback(chan):
sleep(bounce/1000)
sleep(bounce/1000.0)
print GPIO.input(chan)
if sys.argv[3].lower() == "up":
@@ -112,7 +112,7 @@ if len(sys.argv) > 2:
GPIO.setup(pin,GPIO.IN)
print GPIO.input(pin)
GPIO.add_event_detect(pin, GPIO.BOTH, callback=handle_callback, bouncetime=bounce)
GPIO.add_event_detect(pin, GPIO.BOTH, callback=handle_callback, bouncetime=int(bounce))
while True:
try: