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#!/usr/bin/env python | |
from evdev import InputDevice, list_devices, ecodes | |
from os import system | |
FILTER_ALL = 0x10 | |
FILTER_STYLUS = 0x04 | |
DEFAULT_FILTER = FILTER_ALL | |
device = None | |
devices = [InputDevice(fn) for fn in list_devices()] | |
for dev in devices: | |
if dev.phys == "gpio-keys/input0": | |
device = dev | |
break | |
penout = 0 | |
lidon = 0 | |
def refresh_filter(): | |
state = "enable" | |
if lidon != 0: | |
state = "disable" | |
system("xinput " + state + " touch") | |
code = DEFAULT_FILTER | |
if penout != 0: | |
code = FILTER_STYLUS | |
with open("/sys/class/misc/touch/report_mode", "w") as f: | |
f.write(str(code) + "\n") | |
sw_events = ecodes.bytype[ecodes.EV_SW] | |
for event in device.read_loop(): | |
if event.type == ecodes.EV_SW: | |
if sw_events[event.code] == "SW_TABLET_MODE": | |
penout = event.value | |
elif sw_events[event.code] == "SW_LID": | |
lidon = event.value | |
refresh_filter() |
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