From 1704243396f715a102ddcc190f00c0f70755d09d Mon Sep 17 00:00:00 2001 From: Timofey Titovets Date: Mon, 15 Dec 2025 03:31:03 +0100 Subject: [PATCH] bus: i2c sw default i2c bus mcu to first pin mcu That makes config sligtly simpler. Signed-off-by: Timofey Titovets --- klippy/extras/bus.py | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/klippy/extras/bus.py b/klippy/extras/bus.py index 19e278418..ea6858701 100644 --- a/klippy/extras/bus.py +++ b/klippy/extras/bus.py @@ -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