zmk/app/boards/shields/cradio/README.md
Joel Spadin 94061bb916 refactor: Replace tabs with spaces
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2023-04-24 16:07:04 -07:00

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# Cradio
Cradio is a firmware for a few 34 key keyboards, including Cradio, Hypergolic and Sweep.
## Pin arrangement
Some revisions of the aforementioned PCBs have slightly different pin arrangements compared to what's defined in [`cradio.dtsi`](./cradio.dtsi). If you need to swap a few keys for your particular PCB, you can easily reorder the `input-gpio` definition in your own keymap file (i.e. in `zmk-config/config/cradio.keymap`):
```dts
/* Adjusted Cradio pin arrangement */
/* The position of Q and B keys have been swapped */
&kscan0 {
input-gpios
= <&pro_micro 6 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>
, <&pro_micro 18 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>
, <&pro_micro 19 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>
, <&pro_micro 20 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>
, <&pro_micro 21 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>
, <&pro_micro 15 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>
, <&pro_micro 14 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>
, <&pro_micro 16 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>
, <&pro_micro 10 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>
, <&pro_micro 1 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>
, <&pro_micro 2 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>
, <&pro_micro 3 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>
, <&pro_micro 4 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>
, <&pro_micro 5 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>
, <&pro_micro 7 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>
, <&pro_micro 8 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>
, <&pro_micro 9 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>
;
};
```
This `&kscan0` block must be placed outside of any blocks surrounded by curly braces (`{...}`).