Edit Infobox 3DS Homebrews: Netstick 3DS

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Netstick for 3DS is a client for Linux that allows you to connect the 3DS portable console to the PC via WiFi, which can be used as a normal game controller. Through the client it is possible to control any Linux-based device (as well as a Raspberry Pi with Retropie) using the 3DS portable console. ==Features== * Supports D-Pad, Circle Pad, C-Stick (N3DS), and all buttons, which are correctly mapped. * Accelerometer (X/Y/Z). * Gyroscope (X/Y/Z). * Touchscreen. ==User guide== ===Preparation=== '''On the Linux host:''' * Build <code>netstickd</code> for your supported linux device and run it ([https://github.com/moslevin/netstick see instructions]). * Take note of the device's IP address and port. '''On the 3DS console:''' * Prerequisite: Netstick requires Homebrew Launcher to be installed on your 3DS; for more information, refer to [https://3ds.hacks.guide/ 3DS Hacks Guide]. * On your host PC, edit the included <code>config.txt</code>, and set the server and port lines to the IP address/port of the Linux device running <code>netstickd</code>. * Create a folder named <code>/3ds/netstick-3ds</code> on your 3DS, and copy <code>netstick-3ds.3dsx</code>, <code>netstick-3ds.smdh</code>, and your modified <code>config.txt</code> into it. ===Running=== * Launch Netstick from the Homebrew Launcher, similar to any other homebrew app. * You should then see the 3DS indicate success connecting to the Linux host, and events routed to a device named "Nintendo 3DS" appear under /dev/input. * Use <code>evtest</code> on Linux to verify that the events are processed successfully. ===Configuration=== The configuration file format is very simple, and consists of lines in key:value format. The supported options are described below: * <code>server</code> - The IP address of the server on the local network. * <code>port</code> - The port of the server on the local network. * <code>invert_cstick_x</code> - Invert the values reported natively by the 3DS on the C-stick's X axis (ignored on Old 3DS). * <code>invert_cstick_y</code> - Invert the values reported natively by the 3DS on the C-stick's Y axis (ignored on Old 3DS). * <code>invert_circle_pad_x</code> - Invert the values reported natively by the 3DS on the Circle Pad's X axis. * <code>invert_circle_pad_y</code> - Invert the values reported natively by the 3DS on the Circle Pad's Y axis. * <code>use_touch</code> - Enable the touchscreen device when set to "true". * <code>use_accel</code> - Enable the accelerometer when set to "true". * <code>use_gyro</code> - Enable the gyroscope when set to "true". * <code>send_touch_event</code> - Send a linux "touch" event (in addition to the X/Y coordinates) when the touchscreen is active. * <code>touch_offset</code> - Shrink the touchscreen's surface by a number of pixels on each side, making it easier to reach its limits. * <code>swap_ab</code> - Swap the a and b buttons in the joystick report (allows correct button mapping when using a 3DS as a controller for steam, etc). * <code>swap_xy</code> - Swap the x and y buttons in the joystick report (allows correct button mapping when using a 3DS as a controller for steam, etc). * <code>use_steering_controls</code> - Send a virtual steering-wheel axis in the gamepad report, derived from the X/Z accelerometer values. ==Compatibility== Tested by the suthor on New 3DS with a Raspberry Pi 4 running netstickd. ==Changelog== '''V5''' * Added swap_ab and swap_xy config options to allow mapping of button names to other controllers (XBOX, Dreamcast, etc). * Overhauled the codebase + documented source for easier maintainability going forward. '''V4''' * Support "touch offset" config option, allow a user to reduce the touchscreen's active area in order to make it easier to activate the corners. * Wait 2s after every network error. '''V3''' * Adding Gyro support and Many Configuration Options. * This release features support for the Gyro. * Adding configuration options to support: ** Invert C-stick X/Y. ** Invert Circle-pad X/Y. ** Selectively enable the accel/gyro/touch devices. ** Disable sending key events when touch-down/touch-up occurs on the touchscreen. '''V2''' * Improvements and new features, including: ** Accelerometer support (creates a separate input device on the Linux host). ** Touchscreen support (creates a separate input device on the Linux host). ** Update the polling rate of the gamepad to 180Hz, reducing latency by ~5ms. ** Socket send() calls are non-blocking. '''V1''' * First release. Tested on New 3DS with a Raspberry Pi 4 running netstickd. ==External links== * GitHub - https://github.com/moslevin/netstick-3ds * Reddit - https://www.reddit.com/r/3dshacks/comments/mv5k1c/netstick3ds_updates_adding_touch_and * Reddit - https://www.reddit.com/r/3dshacks/comments/mnvk3l/turn_your_3ds_into_a_wifienabled_gamepad_for_your

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