sporq/kmk_firmware
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Read trackball only if state changed

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xs5871 2023-02-12 13:01:17 +00:00
parent c575fa396a
commit 0cc308c055
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GPG Key ID: 2A617DBC375C8352
1 changed files with 4 additions and 3 deletions
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7
kmk/modules/pimoroni_trackball.py
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@ -193,14 +193,15 @@ class Trackball(Module):
if not self._timer.tick(): if not self._timer.tick():
return return
if not (self._i2c_rdwr([_REG_INT], 1)[0] & _MSK_INT_TRIGGERED):
return
up, down, left, right, switch, state = self._read_raw_state() up, down, left, right, switch, state = self._read_raw_state()
x, y = self._calculate_movement(right - left, down - up) x, y = self._calculate_movement(right - left, down - up)
self.current_handler.handle(keyboard, self, x, y, switch, state) self.current_handler.handle(keyboard, self, x, y, switch, state)
return
def after_matrix_scan(self, keyboard): def after_matrix_scan(self, keyboard):
return return
@ -254,7 +255,7 @@ class Trackball(Module):
def _read_raw_state(self): def _read_raw_state(self):
'''Read up, down, left, right and switch data from trackball.''' '''Read up, down, left, right and switch data from trackball.'''
left, right, up, down, switch = self._i2c_rdwr([REG_LEFT], 5) left, right, up, down, switch = self._i2c_rdwr([_REG_LEFT], 5)
switch_changed, switch_state = ( switch_changed, switch_state = (
switch & ~_MSK_SWITCH_STATE, switch & ~_MSK_SWITCH_STATE,
(switch & _MSK_SWITCH_STATE) > 0, (switch & _MSK_SWITCH_STATE) > 0,