sporq/kmk_firmware
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Read trackball only if state changed

Browse Source
This commit is contained in:
xs5871 2023-02-12 13:01:17 +00:00
parent c575fa396a
commit 0cc308c055
No known key found for this signature in database
GPG Key ID: 2A617DBC375C8352
1 changed files with 4 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
kmk/modules/pimoroni_trackball.py
View File

@ -193,14 +193,15 @@ class Trackball(Module):
if not self._timer.tick():
return
if not (self._i2c_rdwr([_REG_INT], 1)[0] & _MSK_INT_TRIGGERED):
return
up, down, left, right, switch, state = self._read_raw_state()
x, y = self._calculate_movement(right - left, down - up)
self.current_handler.handle(keyboard, self, x, y, switch, state)
return
def after_matrix_scan(self, keyboard):
return
@ -254,7 +255,7 @@ class Trackball(Module):
def _read_raw_state(self):
'''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 & ~_MSK_SWITCH_STATE,
(switch & _MSK_SWITCH_STATE) > 0,