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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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12
docs/Config_Reference.md
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@@ -2580,6 +2580,12 @@ cs_pin:
#spi_software_miso_pin:
# See the "common SPI settings" section for a description of the
# above parameters.
#chain_position:
#chain_length:
# These parameters configure an SPI daisy chain. The two parameters
# define the stepper position in the chain and the total chain length.
# Position 1 corresponds to the stepper that connects to the MOSI signal.
# The default is to not use an SPI daisy chain.
#interpolate: True
# If true, enable step interpolation (the driver will internally
# step at a rate of 256 micro-steps). The default is True.
@@ -2822,6 +2828,12 @@ cs_pin:
#spi_software_miso_pin:
# See the "common SPI settings" section for a description of the
# above parameters.
#chain_position:
#chain_length:
# These parameters configure an SPI daisy chain. The two parameters
# define the stepper position in the chain and the total chain length.
# Position 1 corresponds to the stepper that connects to the MOSI signal.
# The default is to not use an SPI daisy chain.
#interpolate: True
# If true, enable step interpolation (the driver will internally
# step at a rate of 256 micro-steps). The default is True.