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Code Issues Releases Wiki Activity

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

11
nodes/core/hardware/36-rpi-gpio.js
View File

@ -37,8 +37,13 @@ module.exports = function(RED) {
fs.statSync("/usr/lib/python2.7/site-packages/RPi/GPIO"); // test on Arch fs.statSync("/usr/lib/python2.7/site-packages/RPi/GPIO"); // test on Arch
} }
catch(err) { catch(err) {
RED.log.warn(RED._("rpi-gpio.errors.libnotfound")); try {
throw "Warning : "+RED._("rpi-gpio.errors.libnotfound"); 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");
}
} }
} }
@ -79,7 +84,7 @@ module.exports = function(RED) {
node.child.stdout.on('data', function (data) { node.child.stdout.on('data', function (data) {
var d = data.toString().trim().split("\n"); var d = data.toString().trim().split("\n");
for (var i = 0; i < d.length; i++) { 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.send({ topic:"pi/"+node.pin, payload:Number(d[i]) });
} }
node.buttonState = 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": elif cmd == "in":
#print "Initialised pin "+str(pin)+" to IN" #print "Initialised pin "+str(pin)+" to IN"
bounce = int(sys.argv[4]) bounce = float(sys.argv[4])
def handle_callback(chan): def handle_callback(chan):
sleep(bounce/1000) sleep(bounce/1000.0)
print GPIO.input(chan) print GPIO.input(chan)
if sys.argv[3].lower() == "up": if sys.argv[3].lower() == "up":
@ -112,7 +112,7 @@ if len(sys.argv) > 2:
GPIO.setup(pin,GPIO.IN) GPIO.setup(pin,GPIO.IN)
print GPIO.input(pin) 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: while True:
try: try: