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bus: i2c sw default i2c bus mcu to first pin mcu

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That makes config sligtly simpler.

Signed-off-by: Timofey Titovets <nefelim4ag@gmail.com>
This commit is contained in:
Timofey Titovets 2025-12-15 03:31:03 +01:00
parent 8b58aa1302
commit 1704243396
1 changed files with 3 additions and 1 deletions
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4
klippy/extras/bus.py
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@ -227,7 +227,6 @@ class MCU_I2C:
def MCU_I2C_from_config(config, default_addr=None, default_speed=100000):
# Load bus parameters
printer = config.get_printer()
i2c_mcu = mcu.get_printer_mcu(printer, config.get('i2c_mcu', 'mcu'))
speed = config.getint('i2c_speed', default_speed, minval=100000)
if default_addr is None:
addr = config.getint('i2c_address', minval=0, maxval=127)
@ -240,6 +239,8 @@ 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]
mcu_name = sw_pin_params[0]['chip_name']
i2c_mcu = mcu.get_printer_mcu(printer, config.get('i2c_mcu', mcu_name))
for pin_params in sw_pin_params:
if pin_params['chip'] != i2c_mcu:
raise ppins.error("%s: i2c pins must be on same mcu" % (
@ -247,6 +248,7 @@ def MCU_I2C_from_config(config, default_addr=None, default_speed=100000):
sw_pins = tuple([pin_params['pin'] for pin_params in sw_pin_params])
bus = None
else:
i2c_mcu = mcu.get_printer_mcu(printer, config.get('i2c_mcu', 'mcu'))
bus = config.get('i2c_bus', None)
sw_pins = None
# Create MCU_I2C object