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[Doc] Improve converter references (#21801)

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docs/feature_converters.md
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@ -1,12 +1,10 @@
# Converters
Since many drop-in replacement controllers now exist, we've done our best to make them easy to use in existing designs.
This page documents the automated process for converting keyboards to use drop-in replacement controllers. This process is designed to be easy to use and can be completed in a few simple steps.
This page documents the handy automated process for converting keyboards.
## Supported Converters
### Supported Converters
Currently the following converters are available:
The following converters are available at this time:
| From | To |
|------------|-------------------|
@ -28,14 +26,10 @@ Currently the following converters are available:
| `elite_c` | `helios` |
| `elite_c` | `liatris` |
See below for more in depth information on each converter.
## Overview
Each converter category is broken down by its declared `pin compatibility`.
This ensures that only valid combinations are attempted.
You can generate the firmware by appending `-e CONVERT_TO=<target>` to your compile/flash command. For example:
Each converter category is broken down by its declared `pin compatibility`. This ensures that only valid combinations are attempted. You can generate the firmware by appending `-e CONVERT_TO=<target>` to your compile/flash command. For example:
```sh
qmk flash -c -kb keebio/bdn9/rev1 -km default -e CONVERT_TO=proton_c
@ -59,14 +53,12 @@ Once a converter is enabled, it exposes the `CONVERT_TO_<target_uppercase>` flag
### Pin Compatibility
To ensure compatibility, provide validation, and power future workflows, a keyboard should declare its `pin compatibility`. For legacy reasons, this is currently assumed to be `promicro`.
To ensure compatibility, provide validation, and enable future workflows, a keyboard should declare its `pin compatibility`. For legacy reasons, this is currently assumed to be `promicro`. The following pin compatibility interfaces are currently defined:
Currently the following pin compatibility interfaces are defined:
| Pinout | Notes |
|------------|-----------------------------------|
| `promicro` | Includes RX/TX LEDs |
| `elite_c` | Includes bottom row pins, no LEDs |
| Pin Compatibility | Notes |
|-------------------|-----------------------------------|
| `promicro` | Includes RX/TX LEDs |
| `elite_c` | Includes bottom row pins, no LEDs |
To declare the base for conversions, add this line to your keyboard's `rules.mk`:
@ -140,7 +132,7 @@ The following defaults are based on what has been implemented for [RP2040](platf
### SparkFun Pro Micro - RP2040, Blok, Bit-C PRO and Michi :id=promicro_rp2040
Currently identical to [Adafruit KB2040](#kb2040).
Feature set is identical to [Adafruit KB2040](#kb2040).
### STeMCell :id=stemcell
@ -150,9 +142,7 @@ There are two versions of STeMCell available, with different pinouts:
- v2.0.0 (pre-release v1.0.1, v1.0.2)
Default official firmware only supports v2.0.0 STeMCell.
STeMCell has support to swap UART and I2C pins, to enable single-wire uart communication in STM chips.
The following additional flags has to be used while compiling, based on the pin used for split communication.
STeMCell has support to swap UART and I2C pins to enable single-wire uart communication in STM chips. The following additional flags has to be used while compiling, based on the pin used for split communication:
| Split Pin | Compile flags |
|-----------|---------------|
@ -173,11 +163,8 @@ The Bonsai C4 only has one on-board LED (B2), and by default, both the Pro Micro
### RP2040 Community Edition - Elite-Pi, Helios, and Liatris :id=rp2040_ce
Feature set currently identical to [Adafruit KB2040](#kb2040).
Feature set is identical to [Adafruit KB2040](#kb2040). VBUS detection is enabled by default for superior split keyboard support. For more information, refer to the [Community Edition pinout](platformdev_rp2040.md#rp2040_ce) docs.
Enables VBUS detection by default for superior split keyboard support.
For more information, refer to the [RP2040 Community Edition](platformdev_rp2040.md#rp2040_ce) docs.
## Elite-C
@ -202,8 +189,8 @@ Converter summary:
### STeMCell :id=stemcell_elite
Currently identical to [STeMCell](#stemcell) with support for the additional bottom row of pins.
Identical to [Pro Micro - STeMCell](#stemcell) with support for the additional bottom row of pins.
### RP2040 Community Edition :id=rp2040_ce_elite
Currently identical to [RP2040 Community Edition](#rp2040_ce), with support for the additional bottom row of pins.
Identical to [Pro Micro - RP2040 Community Edition](#rp2040_ce) with support for the additional bottom row of pins.