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from evdev import ecodes, InputDevice, ff, util
import time
dev = None
# Find first EV_FF capable event device (that we have permissions to use).
for name in util.list_devices():
dev = InputDevice(name)
if ecodes.EV_FF in dev.capabilities():
break
if dev is None:
print("Sorry, no FF capable device found")
else:
print("found " + dev.name + " at " + dev.path)
print("Preparing FF effect...")
rumble = ff.Rumble(strong_magnitude=0xc000, weak_magnitude=0xc000)
effect_type = ff.EffectType(ff_rumble_effect=rumble)
duration_ms = 1000
effect = ff.Effect(
ecodes.FF_RUMBLE, # type
-1, # id (set by ioctl)
0, # direction
ff.Trigger(0, 0), # no triggers
ff.Replay(duration_ms, 0), # length and delay
ff.EffectType(ff_rumble_effect=rumble)
)
print("Uploading FF effect...")
effect_id = dev.upload_effect(effect)
print("Playing FF effect...")
repeat_count = 1
dev.write(ecodes.EV_FF, effect_id, repeat_count)
time.sleep(1)
dev.erase_effect(effect_id)
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