From 76378d74f522f53eebc05907d44c839455a0336b Mon Sep 17 00:00:00 2001 From: Joel Challis Date: Sat, 12 Oct 2019 04:25:43 +0100 Subject: ARM split - detect USB to select master/slave (#6424) * Initial split refactor to allow usb master detection * Add split USB detect docs * Add SPLIT_USB_DETECT demo mode limitation * fix rebase issues * clang-format --- docs/feature_split_keyboard.md | 12 ++++++++++++ 1 file changed, 12 insertions(+) (limited to 'docs/feature_split_keyboard.md') diff --git a/docs/feature_split_keyboard.md b/docs/feature_split_keyboard.md index 42dd838d0d..efc65a4c70 100644 --- a/docs/feature_split_keyboard.md +++ b/docs/feature_split_keyboard.md @@ -190,6 +190,18 @@ This sets how many LEDs are directly connected to each controller. The first nu ?> This setting implies that `RGBLIGHT_SPLIT` is enabled, and will forcibly enable it, if it's not. +```c +#define SPLIT_USB_DETECT +``` +This option changes the startup behavior to detect an active USB connection when delegating master/slave. If this operation times out, then the half is assume to be a slave. This is the default behavior for ARM, and required for AVR Teensy boards (due to hardware limitations). + +?> This setting will stop the ability to demo using battery packs. + +```c +#define SPLIT_USB_TIMEOUT 2500 +``` +This sets the maximum timeout when detecting master/slave when using `SPLIT_USB_DETECT`. + ## Additional Resources Nicinabox has a [very nice and detailed guide](https://github.com/nicinabox/lets-split-guide) for the Let's Split keyboard, that covers most everything you need to know, including troubleshooting information. -- cgit v1.2.3