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-rw-r--r--docs/G-Codes.md8
1 files changed, 7 insertions, 1 deletions
diff --git a/docs/G-Codes.md b/docs/G-Codes.md
index 73fd2e93..25ff7550 100644
--- a/docs/G-Codes.md
+++ b/docs/G-Codes.md
@@ -26,7 +26,6 @@ Klipper supports the following standard G-Code commands:
- Get current position: `M114`
- Get firmware version: `M115`
- Set home offset: `M206 [X<pos>] [Y<pos>] [Z<pos>]`
-- Run PID tuning: `M303 [E<index>] S<temperature>`
For further details on the above commands see the
[RepRap G-Code documentation](http://reprap.org/wiki/G-code).
@@ -65,6 +64,13 @@ The following standard commands are supported:
verify that an endstop is working correctly.
- `GET_POSITION`: Return information on the current location of the
toolhead.
+- `PID_CALIBRATE HEATER=<config_name> TARGET=<temperature>
+ [WRITE_FILE=1]`: Perform a PID calibration test. The specified
+ heater will be enabled until the specified target temperature is
+ reached, and then the heater will be turned off and on for several
+ cycles. If the WRITE_FILE parameter is enabled, then the file
+ /tmp/heattest.txt will be created with a log of all temperature
+ samples taken during the test.
- `RESTART`: This will cause the host software to reload its config
and perform an internal reset. This command will not clear error
state from the micro-controller (see FIRMWARE_RESTART) nor will it