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config: Remove hold_current from sample configs and sample macros

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Now that the documentation recommends that hold_current not be set,
update the example config files to not specify a hold_current.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
Kevin O'Connor
2021-11-28 20:29:40 -05:00
parent 9552f5e546
commit bfd098eb19
30 changed files with 4 additions and 234 deletions
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11
docs/TMC_Drivers.md
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@@ -317,9 +317,7 @@ for the driver's internal stall flag to still be set from a previous
move.
It can also be useful to have that macro set the driver current before
homing and set a new current after the carriage has moved away. This
also allows a hold_current to be set during prints (a hold_current
is not recommended during sensorless homing).
homing and set a new current after the carriage has moved away.
An example macro might look something like:
```
@@ -328,9 +326,8 @@ gcode:
{% set HOME_CUR = 0.700 %}
{% set driver_config = printer.configfile.settings['tmc2209 stepper_x'] %}
{% set RUN_CUR = driver_config.run_current %}
{% set HOLD_CUR = driver_config.hold_current %}
# Set current for sensorless homing
SET_TMC_CURRENT STEPPER=stepper_x CURRENT={HOME_CUR} HOLDCURRENT={HOME_CUR}
SET_TMC_CURRENT STEPPER=stepper_x CURRENT={HOME_CUR}
# Pause to ensure driver stall flag is clear
G4 P2000
# Home
@@ -339,7 +336,7 @@ gcode:
G90
G1 X5 F1200
# Set current during print
SET_TMC_CURRENT STEPPER=stepper_x CURRENT={RUN_CUR} HOLDCURRENT={HOLD_CUR}
SET_TMC_CURRENT STEPPER=stepper_x CURRENT={RUN_CUR}
```
The resulting macro can be called from a
@@ -360,7 +357,7 @@ Use the tuning guide described above to find the appropriate "stall
sensitivity" for each carriage, but be aware of the following
restrictions:
1. When using sensorless homing on CoreXY, make sure there is no
`hold_current` in effect for either stepper during homing.
`hold_current` configured for either stepper.
2. While tuning, make sure both the X and Y carriages are near the
center of their rails before each home attempt.
3. After tuning is complete, when homing both X and Y, use macros to