From c70b419ec06b22dba869f40c32e23563ee0f620f Mon Sep 17 00:00:00 2001 From: Oscillope Date: Sat, 14 Oct 2017 01:04:36 -0400 Subject: Add multiple layout support and Linux flash utility to JJ40 (#1837) * Adds support for multiple layouts. Adds custom keymap for "offset" layout. * Adds a tool to help detach the keyboard from the Linux HID driver before programming. * Adds a tool to help detach the keyboard from the Linux HID driver before programming. --- keyboards/jj40/tools/README.md | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) create mode 100644 keyboards/jj40/tools/README.md (limited to 'keyboards/jj40/tools/README.md') diff --git a/keyboards/jj40/tools/README.md b/keyboards/jj40/tools/README.md new file mode 100644 index 000000000..081984ed4 --- /dev/null +++ b/keyboards/jj40/tools/README.md @@ -0,0 +1,16 @@ +# JJ40 Tools + +## usb_detach.c + +When trying to flash on Linux, you may encounter a "Resource Unavailable" error. This means that Linux's HID driver has taken exclusive control of the keyboard, and the program script can't flash it. +This program can force Linux to give up a device, so that the programming script can reset it. + +### To compile: +``` +gcc usb_detach.c -o usb_detach +``` + +### To run: +1. Use `lsusb` to discover the Bus and Device numbers for your keyboard. +2. Run the program: `sudo ./usb_detach /dev/bus/usb//`. +3. Build and program the firmware as normal. -- cgit v1.2.3-24-g4f1b