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bus: Verify that software i2c pins are all on the same mcu
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Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
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Kevin O'Connor 2025-12-17 10:48:04 -05:00
parent 3f72e519ed
commit a8cbc93552
1 changed files with 4 additions and 0 deletions
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klippy/extras/bus.py
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@ -240,6 +240,10 @@ def MCU_I2C_from_config(config, default_addr=None, default_speed=100000):
for name in ['scl', 'sda']]
sw_pin_params = [ppins.lookup_pin(config.get(name), share_type=name)
for name in sw_pin_names]
for pin_params in sw_pin_params:
if pin_params['chip'] != i2c_mcu:
raise ppins.error("%s: i2c pins must be on same mcu" % (
config.get_name(),))
sw_pins = tuple([pin_params['pin'] for pin_params in sw_pin_params])
bus = None
else: