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| author | Kevin O'Connor <kevin@koconnor.net> | 2023-12-04 14:03:27 -0500 |
|---|---|---|
| committer | Kevin O'Connor <kevin@koconnor.net> | 2023-12-10 14:59:18 -0500 |
| commit | fe7082e4a8e0beb7014584a16aaa22dc7084a01a (patch) | |
| tree | a928996a709fe11a1f428ce0a0ac6c0813e59f0f /klippy/extras/buttons.py | |
| parent | c5bd813d8b2199b3a1c08d1e29ac0a97d49e3ff8 (diff) | |
| download | kutter-fe7082e4a8e0beb7014584a16aaa22dc7084a01a.tar.gz kutter-fe7082e4a8e0beb7014584a16aaa22dc7084a01a.tar.xz kutter-fe7082e4a8e0beb7014584a16aaa22dc7084a01a.zip | |
buttons: Simplify ack upconversion code
Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
Diffstat (limited to 'klippy/extras/buttons.py')
| -rw-r--r-- | klippy/extras/buttons.py | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/klippy/extras/buttons.py b/klippy/extras/buttons.py index 1a6147d1..47274257 100644 --- a/klippy/extras/buttons.py +++ b/klippy/extras/buttons.py @@ -57,10 +57,9 @@ class MCU_buttons: def handle_buttons_state(self, params): # Expand the message ack_count from 8-bit ack_count = self.ack_count - ack_diff = (ack_count - params['ack_count']) & 0xff - if ack_diff & 0x80: - ack_diff -= 0x100 - msg_ack_count = ack_count - ack_diff + ack_diff = (params['ack_count'] - ack_count) & 0xff + ack_diff -= (ack_diff & 0x80) << 1 + msg_ack_count = ack_count + ack_diff # Determine new buttons buttons = bytearray(params['state']) new_count = msg_ack_count + len(buttons) - self.ack_count |