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Retry device search if tablet disconnects

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This commit is contained in:
Eric Jiang 2020-10-29 18:01:14 -07:00
parent 71d396dc7b
commit ec0754804d
1 changed files with 26 additions and 11 deletions
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25
huion_keys.py
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@ -1,4 +1,5 @@
import os import os
import time
from _xdo_cffi import ffi, lib from _xdo_cffi import ffi, lib
@ -8,10 +9,6 @@ BUTTON_BINDINGS = {}
def main(): def main():
xdo = lib.xdo_new(ffi.NULL) xdo = lib.xdo_new(ffi.NULL)
hidraw_path = get_tablet_hidraw('256c', '006e')
if hidraw_path is None:
print("Could not find tablet hidraw device")
print("Found tablet at " + hidraw_path)
if os.path.isfile(CONFIG_FILE_PATH): if os.path.isfile(CONFIG_FILE_PATH):
read_config(CONFIG_FILE_PATH) read_config(CONFIG_FILE_PATH)
else: else:
@ -19,9 +16,27 @@ def main():
create_default_config(CONFIG_FILE_PATH) create_default_config(CONFIG_FILE_PATH)
print("Created an example config file at " + CONFIG_FILE_PATH) print("Created an example config file at " + CONFIG_FILE_PATH)
return 1 return 1
hidraw = open(hidraw_path, 'rb')
while True: while True:
hidraw_path = get_tablet_hidraw('256c', '006e')
if hidraw_path is None:
print("Could not find tablet hidraw device")
time.sleep(2)
continue
print("Found tablet at " + hidraw_path)
try:
hidraw = open(hidraw_path, 'rb')
except PermissionError as e:
print(e)
print("Trying again in 5 seconds...")
time.sleep(5)
continue
while True:
try:
btn = get_button_press(hidraw) btn = get_button_press(hidraw)
except OSError as e:
print("Lost connection with the tablet - searching for tablet...")
time.sleep(3)
break
print("Got button %s" % (btn,)) print("Got button %s" % (btn,))
if btn in BUTTON_BINDINGS: if btn in BUTTON_BINDINGS:
print("Sending %s" % (BUTTON_BINDINGS[btn],)) print("Sending %s" % (BUTTON_BINDINGS[btn],))