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Fix Pi keyboard an mouse events

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This commit is contained in:
Dave Conway-Jones 2021-11-16 22:57:09 +00:00
parent a5235c7d7d
commit 9f81067d7d
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GPG Key ID: 88BA2B8A411BE9FF
2 changed files with 10 additions and 15 deletions
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23
hardware/PiGpio/nrgpio.py
View File

@ -171,24 +171,19 @@ if len(sys.argv) > 2:
data = 0 data = 0
elif cmd == "mouse": # catch mice button events elif cmd == "mouse": # catch mice button events
file = open( "/dev/input/mice", "rb" ) f = open( "/dev/input/mice", "rb" )
oldbutt = 0 oldbutt = 0
def getMouseEvent():
global oldbutt
global pin
buf = file.read(3)
pin = pin & 0x07
button = ord( buf[0] ) & pin # mask out just the required button(s)
if button != oldbutt: # only send if changed
oldbutt = button
print(button)
while True: while True:
try: try:
getMouseEvent() buf = f.read(3)
pin = pin & 0x07
button = struct.unpack('3b',buf)[0] & pin # mask out just the required button(s)
if button != oldbutt: # only send if changed
oldbutt = button
print(button)
except: except:
file.close() f.close()
sys.exit(0) sys.exit(0)
elif cmd == "kbd": # catch keyboard button events elif cmd == "kbd": # catch keyboard button events
@ -196,7 +191,7 @@ if len(sys.argv) > 2:
while not os.path.isdir("/dev/input/by-path"): while not os.path.isdir("/dev/input/by-path"):
sleep(10) sleep(10)
infile = subprocess.check_output("ls /dev/input/by-path/ | grep -m 1 'kbd'", shell=True).strip() infile = subprocess.check_output("ls /dev/input/by-path/ | grep -m 1 'kbd'", shell=True).strip()
infile_path = "/dev/input/by-path/" + infile infile_path = "/dev/input/by-path/" + infile.decode("utf-8")
EVENT_SIZE = struct.calcsize('llHHI') EVENT_SIZE = struct.calcsize('llHHI')
file = open(infile_path, "rb") file = open(infile_path, "rb")
event = file.read(EVENT_SIZE) event = file.read(EVENT_SIZE)

2
hardware/PiGpio/package.json
View File

@ -1,6 +1,6 @@
{ {
"name": "node-red-node-pi-gpio", "name": "node-red-node-pi-gpio",
"version": "2.0.0", "version": "2.0.1",
"description": "The basic Node-RED node for Pi GPIO", "description": "The basic Node-RED node for Pi GPIO",
"dependencies" : { "dependencies" : {
}, },