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-rw-r--r--docs/Config_Changes.md8
-rw-r--r--docs/G-Codes.md5
2 files changed, 12 insertions, 1 deletions
diff --git a/docs/Config_Changes.md b/docs/Config_Changes.md
index 3a38fd40..efe962d1 100644
--- a/docs/Config_Changes.md
+++ b/docs/Config_Changes.md
@@ -8,6 +8,14 @@ All dates in this document are approximate.
## Changes
+20230304: The `SET_TMC_CURRENT` command now properly adjusts the globalscaler
+register for drivers that have it. This removes a limitation where on tmc5160,
+the currents could not be raised higher with `SET_TMC_CURRENT` than the
+`run_current` value set in the config file.
+However, this has a side effect: After running `SET_TMC_CURRENT`, the stepper
+must be held at standstill for >130ms in case StealthChop2 is used so that the
+AT#1 calibration gets executed by the driver.
+
20230202: The format of the `printer.screws_tilt_adjust` status
information has changed. The information is now stored as a dictionary of
screws with the resulting measurements. See the
diff --git a/docs/G-Codes.md b/docs/G-Codes.md
index 04efdbf2..7f5c6b08 100644
--- a/docs/G-Codes.md
+++ b/docs/G-Codes.md
@@ -1226,7 +1226,10 @@ turned off then back on.
#### SET_TMC_CURRENT
`SET_TMC_CURRENT STEPPER=<name> CURRENT=<amps> HOLDCURRENT=<amps>`:
This will adjust the run and hold currents of the TMC driver.
-(HOLDCURRENT is not applicable to tmc2660 drivers.)
+`HOLDCURRENT` is not applicable to tmc2660 drivers.
+When used on a driver which has the `globalscaler` field (tmc5160 and tmc2240),
+if StealthChop2 is used, the stepper must be held at standstill for >130ms so
+that the driver executes the AT#1 calibration.
#### SET_TMC_FIELD
`SET_TMC_FIELD STEPPER=<name> FIELD=<field> VALUE=<value>`: This will