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| -rw-r--r-- | Makefile | 2 | ||||
| -rw-r--r-- | Readme.md | 89 | ||||
| -rw-r--r-- | UNLICENSE | 24 | ||||
| -rw-r--r-- | main.c | 3 |
4 files changed, 118 insertions, 0 deletions
@@ -1,3 +1,5 @@ +# SPDX-License-Identifier: Unlicense + CFLAGS=-Wall -Wextra -Wstrict-prototypes main: @@ -0,0 +1,89 @@ +# Dualshock 4 Keyboard +> Use your DS4 gamepad as a keyboard with touchpad while laying on the couch! + +This is a proof of concept implementation of virtual keyboard device that +enables you to press any of these keyboard buttons with Dualshock 4 gamepad. It +currently words only on Linux and have non-trivial way to set up and run. + +## Installation on Linux + +You will need a C compiler (GCC or Clang) and `make` utility. Download and +unpack zip archive of this repo or clone it with git. Then run the following +from the root of the downloaded repo directory: + +``` +make +``` + +It will produce a binary named `main`. + +## Run + +First of all you need to be able to open `/dev/uinput` as a user, unless you +decided to do everything from root. Do this for your `user` as root if you want +to be able to run the virtual keyboard as user: + +``` +chown user:user /dev/uinput +``` + +### USB + +Open up a file `/proc/bus/input/events` with some text editor or viewer. For example: + +``` +less /proc/bus/input/devices +``` + +Then find there an entry for `"Sony Interactive Entertainment Wireless Controller"`. It will look like this: + +``` +I: Bus=0003 Vendor=054c Product=09cc Version=8111 +N: Name="Sony Interactive Entertainment Wireless Controller" +P: Phys=usb-0000:02:00.0-1.4.2.4/input3 +S: Sysfs=/devices/pci0000:00/0000:00:01.2/0000:02:00.0/usb1/1-1/1-1.4/1-1.4.2/1-1.4.2.4/1-1.4.2.4:1.3/0003:054C:09CC.000B/input/input27 +U: Uniq=d0:bc:c1:a2:be:9f +H: Handlers=js0 event23 +B: PROP=0 +B: EV=1b +B: KEY=7fdb000000000000 0 0 0 0 +B: ABS=3003f +B: MSC=10 +``` + +If you don't see any entries for "Sony Interactive Entertainment something something..." and you are sure your USB cable is good, then go mess around with your kernel and find a way to enable DS4 support in the kernel. + +The line `H: Handlers=js0 event23` is what wee need. `event23` is the gamepad device. You may end up with different event number. You must use it in the following commands instead of `event23`. + +Once again, if you are planning to use virtual keyboard as `user`, run this as root: + +``` +chown oxore:oxore -R /dev/input/event23 +``` + +Then run the program like this: + +``` +./main /dev/input/event23 +``` + +### Bluetooth + +TODO: Describe how to run when the gamepad is connected via Bluetooth + +## Usage + +Now you can issue keyboard keypresses by pressing some combinations of the gamepad buttons as shown in the following chart: + + + +## Meta + +Authors: +- Vladimir Novikov – oxore@protonmail.com + +This is free and unencumbered software released into the public domain. See +``UNLICENSE`` for more information. + +<!-- Markdown link & img dfn's --> +[readme-template]: https://github.com/dbader/readme-template diff --git a/UNLICENSE b/UNLICENSE new file mode 100644 index 0000000..68a49da --- /dev/null +++ b/UNLICENSE @@ -0,0 +1,24 @@ +This is free and unencumbered software released into the public domain. + +Anyone is free to copy, modify, publish, use, compile, sell, or +distribute this software, either in source code form or as a compiled +binary, for any purpose, commercial or non-commercial, and by any +means. + +In jurisdictions that recognize copyright laws, the author or authors +of this software dedicate any and all copyright interest in the +software to the public domain. We make this dedication for the benefit +of the public at large and to the detriment of our heirs and +successors. We intend this dedication to be an overt act of +relinquishment in perpetuity of all present and future rights to this +software under copyright law. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. +IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR +OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, +ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR +OTHER DEALINGS IN THE SOFTWARE. + +For more information, please refer to <http://unlicense.org/> @@ -1,3 +1,6 @@ +/* SPDX-License-Identifier: Unlicense + */ + #include <linux/uinput.h> #include <unistd.h> #include <fcntl.h> |