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Implement split comms watchdog (#18599)

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Dasky
2022-10-06 10:52:42 +01:00
committed by GitHub
parent a9414f4840
commit c255174cf3
10 changed files with 115 additions and 1 deletions
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docs/feature_split_keyboard.md
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@ -422,6 +422,17 @@ This sets the maximum timeout when detecting master/slave when using `SPLIT_USB_
```
This sets the poll frequency when detecting master/slave when using `SPLIT_USB_DETECT`
```c
#define SPLIT_WATCHDOG_ENABLE
```
This will enable a software watchdog on any side delegated as slave and will reboot the keyboard if no successful communication occurs within `SPLIT_WATCHDOG_TIMEOUT`. This can be particularly helpful when `SPLIT_USB_DETECT` delegates both sides as slave in some circumstances.
```c
#define SPLIT_WATCHDOG_TIMEOUT 3000
```
This set the maximum slave timeout when waiting for communication from master when using `SPLIT_WATCHDOG_ENABLE`
## Hardware Considerations and Mods
Master/slave delegation is made either by detecting voltage on VBUS connection or waiting for USB communication (`SPLIT_USB_DETECT`). Pro Micro boards can use VBUS detection out of the box and be used with or without `SPLIT_USB_DETECT`.