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tmc2130: Add spi daisy chain support

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This patch adds the ability to daisy-chain multiple tmc2130 and
tmc5160 drivers.

Signed-off-by: Marco D'Alessio <marco@wrecklab.com>
Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
Marco D'Alessio 2020-10-18 10:50:32 +02:00 • committed by Kevin O'Connor
parent a8742e982d
commit c7688c6bca
3 changed files with 73 additions and 16 deletions
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4
klippy/extras/bus.py
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@ -97,11 +97,11 @@ class MCU_SPI:
# Helper to setup an spi bus from settings in a config section
def MCU_SPI_from_config(config, mode, pin_option="cs_pin",
default_speed=100000):
default_speed=100000, share_type=None):
# Determine pin from config
ppins = config.get_printer().lookup_object("pins")
cs_pin = config.get(pin_option)
cs_pin_params = ppins.lookup_pin(cs_pin)
cs_pin_params = ppins.lookup_pin(cs_pin, share_type=share_type)
pin = cs_pin_params['pin']
if pin == 'None':
ppins.reset_pin_sharing(cs_pin_params)