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more node-red-nodes hardware section info updates

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and update Pibrella to use latest nrgpio debounce thinking
This commit is contained in:
Dave Conway-Jones
2016-02-12 21:27:02 +00:00
parent c60d62f27b
commit b0c8b1e83f
9 changed files with 66 additions and 31 deletions
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67
hardware/Pibrella/nrgpio.py
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@@ -1,6 +1,6 @@
#!/usr/bin/python
#
# Copyright 2014 IBM Corp.
# Copyright 2014,2016 IBM Corp.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
@@ -15,15 +15,19 @@
# Import library functions we need
import RPi.GPIO as GPIO
import struct
import sys
import os
import subprocess
from time import sleep
bounce = 20 # bounce time in mS to apply
bounce = 25;
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:
if len(sys.argv) > 2:
cmd = sys.argv[1].lower()
pin = int(sys.argv[2])
GPIO.setmode(GPIO.BOARD)
@@ -92,18 +96,18 @@ if len(sys.argv) > 1:
elif cmd == "in":
#print "Initialised pin "+str(pin)+" to IN"
bounce = int(sys.argv[4])
def handle_callback(chan):
sleep(bounce/1000)
print GPIO.input(chan)
if len(sys.argv) == 4:
if sys.argv[3].lower() == "up":
GPIO.setup(pin,GPIO.IN,GPIO.PUD_UP)
elif sys.argv[3].lower() == "down":
GPIO.setup(pin,GPIO.IN,GPIO.PUD_DOWN)
else:
GPIO.setup(pin,GPIO.IN)
if sys.argv[3].lower() == "up":
GPIO.setup(pin,GPIO.IN,GPIO.PUD_UP)
elif sys.argv[3].lower() == "down":
GPIO.setup(pin,GPIO.IN,GPIO.PUD_DOWN)
else:
GPIO.setup(pin,GPIO.IN)
print GPIO.input(pin)
GPIO.add_event_detect(pin, GPIO.BOTH, callback=handle_callback, bouncetime=bounce)
@@ -166,12 +170,6 @@ if len(sys.argv) > 1:
except:
data = 0
elif cmd == "rev":
print GPIO.RPI_REVISION
elif cmd == "ver":
print GPIO.VERSION
elif cmd == "mouse": # catch mice button events
file = open( "/dev/input/mice", "rb" )
oldbutt = 0
@@ -193,5 +191,40 @@ if len(sys.argv) > 1:
file.close()
sys.exit(0)
elif cmd == "kbd": # catch keyboard button events
try:
while not os.path.isdir("/dev/input/by-path"):
time.sleep(10)
infile = subprocess.check_output("ls /dev/input/by-path/ | grep -m 1 'kbd'", shell=True).strip()
infile_path = "/dev/input/by-path/" + infile
EVENT_SIZE = struct.calcsize('llHHI')
file = open(infile_path, "rb")
event = file.read(EVENT_SIZE)
while event:
(tv_sec, tv_usec, type, code, value) = struct.unpack('llHHI', event)
#if type != 0 or code != 0 or value != 0:
if type == 1:
# type,code,value
print("%u,%u" % (code, value))
event = file.read(EVENT_SIZE)
print "0,0"
file.close()
sys.exit(0)
except:
file.close()
sys.exit(0)
elif len(sys.argv) > 1:
cmd = sys.argv[1].lower()
if cmd == "rev":
print GPIO.RPI_REVISION
elif cmd == "ver":
print GPIO.VERSION
elif cmd == "info":
print GPIO.RPI_INFO
else:
print "Bad parameters - in|out|pwm|buzz|byte|borg|mouse|kbd|ver|info {pin} {value|up|down}"
print " only ver (gpio version) and info (board information) accept no pin parameter."
else:
print "Bad parameters - in|out|pwm|buzz|byte|borg|mouse|ver pin {value|up|down}"
print "Bad parameters - in|out|pwm|buzz|byte|borg|mouse|kbd|ver|info {pin} {value|up|down}"