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tmc5160: diag0 support (#3159)

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Allow for diag0 only hardware to use sensorless homing.

Signed-off-by:  Trevor Jones <trevorjones141@gmail.com>
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Trevor Jones 2020-08-09 06:17:51 -06:00 • committed by GitHub
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commit efebbb9a2f
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6 changed files with 36 additions and 24 deletions
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32
config/example-extras.cfg
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@ -1436,14 +1436,16 @@
# chip. This may be used to set custom motor parameters. The
# defaults for each parameter are next to the parameter name in the
# above list.
#diag0_pin:
#diag1_pin:
# The micro-controller pin attached to the DIAG1 line of the TMC2130
# chip. Setting this creates a "tmc2130_stepper_x:virtual_endstop"
# virtual pin which may be used as the stepper's endstop_pin. Doing
# this enables "sensorless homing". (Be sure to also set driver_SGT
# to an appropriate sensitivity value.) The default is to not enable
# sensorless homing. See docs/Sensorless_Homing.md for details on how
# to configure this.
# The micro-controller pin attached to one of the DIAG lines of the
# TMC2130 chip. Only a single diag pin should be specified.
# Setting this creates a "tmc2130_stepper_x:virtual_endstop" virtual
# pin which may be used as the stepper's endstop_pin. Doing this
# enables "sensorless homing". (Be sure to also set driver_SGT to an
# appropriate sensitivity value.) The default is to not enable
# sensorless homing. See docs/Sensorless_Homing.md for details on
# how to configure this.
# Configure a TMC2208 (or TMC2224) stepper motor driver via single
# wire UART. To use this feature, define a config section with a
@ -1691,14 +1693,16 @@
# chip. This may be used to set custom motor parameters. The
# defaults for each parameter are next to the parameter name in the
# above list.
#diag0_pin:
#diag1_pin:
# The micro-controller pin attached to the DIAG1 line of the TMC5160
# chip. Setting this creates a "tmc5160_stepper_x:virtual_endstop"
# virtual pin which may be used as the stepper's endstop_pin. Doing
# this enables "sensorless homing". (Be sure to also set driver_SGT
# to an appropriate sensitivity value.) The default is to not enable
# sensorless homing. See docs/Sensorless_Homing.md for details on how
# to configure this.
# The micro-controller pin attached to one of the DIAG lines of the
# TMC5160 chip. Only a single diag pin should be specified.
# Setting this creates a "tmc5160_stepper_x:virtual_endstop" virtual
# pin which may be used as the stepper's endstop_pin. Doing this
# enables "sensorless homing". (Be sure to also set driver_SGT to an
# appropriate sensitivity value.) The default is to not enable
# sensorless homing. See docs/Sensorless_Homing.md for details on
# how to configure this.
######################################################################