Add axis_twist_compensation.

misc/compile-how-to.md

@@ -0,0 +1,43 @@
+${\small{\textcolor{green}{\texttt{2 minute read}}}}$
+
+#### Do I need to re-flash the motherboard?
+
+You will _almost never_ need to re-flash `klipper.bin`. When this is needed, your dashboard will explicitly tell you that you need to re-flash.
+
+#### Where does Klipper live?
+
+1. On the motherboard.
+2. On the host device (Raspberry Pi, etc.).
+
+🗒️ These 2 versions of klipper can rightly differ.
+
+#### Should I update Klipper, moonraker, etc.?
+
+I always update everything on the host device via the dashboard. I don't want to miss out on improvements, especially those that improve safety. What this means is that on some occasions, there will be breaking changes: you will need to change a few things in your config **before you can print**. I would suggest that if you absolutely have to get something printed immediately and there's an update, perhaps wait till after the print completes to do the update.
+
+Others will argue that 'if it ain't broke, don't fix it'.
+
+You have to decide what camp you want to be apart off.
+
+#### How-To
+
+##### Update Klipper repo first
+
+It's always best to update the Klipper repository that lives on the host before compiling. This ensures that your `klipper.bin` will be as 'fresh' as possible.
+
+- In `Fluidd`, you can do this from `Settings` > `Software Updates`.
+- In `Mainsail`, you can do this from `Machine` > `Update Manager`.
+
+##### Compile `klipper.bin`
+
+🗒️ The `compilation settings` you see in the image below apply only the the `SV06/Plus` boards, but the steps for compilation apply to any board.
+
+1. `ssh` into the Klipper host (i.e., RPi, OrangePi, etc.).
+2. `cd ~/klipper`
+3. `make menuconfig`
+4. Set things up to look as follows:
+   ![make-menuconfig](https://github.com/bassamanator/Sovol-SV06-firmware/assets/61985779/22298d47-2604-4231-ad10-7d6793be7904)
+5. `make clean`
+   - Clears `~/klipper/out/`
+6. `make`
+   - Compiles `klipper.bin` and puts it in `~/klipper/out/`

printer.cfg

@@ -168,6 +168,11 @@ fade_start: 1
 fade_end: 10
 fade_target: 0
 
+[axis_twist_compensation]
+calibrate_start_x: 27
+calibrate_end_x: 195
+calibrate_y: 115
+
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 #   Fans
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