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Initial commit. Application is able to initialize HID and read from it. Furthermore, it contains a lookup table for all keys
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‎.gitignore‎

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/target
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**/*.rs.bk

‎Cargo.toml‎

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[package]
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name = "footswitch-rs"
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version = "0.1.0"
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authors = ["Dennis <dennis@dennispotter.eu>"]
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[dependencies]
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structopt = "0.2.10"
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hidapi = "0.4.1"
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users = "0.7"
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‎LICENSE‎

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MIT License
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Copyright (c) 2018 Dennis Potter <dennis@dennispotter.eu>
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Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
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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 OR COPYRIGHT HOLDERS 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.

‎README.md‎

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# footswitch-rs
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This repository contains a C to Rust translation of the GitHub repository [rgerganov/footswitch](https://github.com/rgerganov/footswitch).

‎src/key_operations.rs‎

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// http://www.freebsddiary.org/APC/usb_hid_usages.php
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static KEY_MAP : &[(&str, u8)] = &[
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("<00>" , 0x00),
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("<01>" , 0x01),
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("<02>" , 0x02),
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("<03>" , 0x03),
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("a" , 0x04),
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("b" , 0x05),
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("c" , 0x06),
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("d" , 0x07),
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("e" , 0x08),
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("f" , 0x09),
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("g" , 0x0a),
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("h" , 0x0b),
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("i" , 0x0c),
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("j" , 0x0d),
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("k" , 0x0e),
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("l" , 0x0f),
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("m" , 0x10),
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("n" , 0x11),
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("o" , 0x12),
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("p" , 0x13),
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("q" , 0x14),
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("r" , 0x15),
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("s" , 0x16),
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("t" , 0x17),
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("u" , 0x18),
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("v" , 0x19),
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("w" , 0x1a),
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("x" , 0x1b),
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("y" , 0x1c),
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("z" , 0x1d),
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("1" , 0x1e),
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("2" , 0x1f),
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("3" , 0x20),
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("4" , 0x21),
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("5" , 0x22),
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("6" , 0x23),
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("7" , 0x24),
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("8" , 0x25),
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("9" , 0x26),
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("0" , 0x27),
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("enter" , 0x28),
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("Return" , 0x28),
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("esc" , 0x29),
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("Escape" , 0x29),
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("backspace" , 0x2a),
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("tab" , 0x2b),
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(" " , 0x2c),
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("space" , 0x2c),
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("-" , 0x2d),
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("=" , 0x2e),
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("[" , 0x2f),
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("]" , 0x30),
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("\\" , 0x31),
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("\\" , 0x32), // yes a repeat
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(";" , 0x33),
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("\'" , 0x34),
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("`" , 0x35),
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("," , 0x36),
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("." , 0x37),
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("/" , 0x38),
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("capslock" , 0x39),
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("f1" , 0x3a),
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("f2" , 0x3b),
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("f3" , 0x3c),
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("f4" , 0x3d),
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("f5" , 0x3e),
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("f6" , 0x3f),
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("f7" , 0x40),
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("f8" , 0x41),
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("f9" , 0x42),
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("f10" , 0x43),
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("f11" , 0x44),
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("f12" , 0x45),
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("f13" , 0x68),
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("f14" , 0x69),
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("f15" , 0x6A),
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("f16" , 0x6B),
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("f17" , 0x6C),
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("f18" , 0x6D),
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("f19" , 0x6E),
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("f20" , 0x6F),
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("f21" , 0x70),
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("f22" , 0x71),
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("f23" , 0x72),
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("f24" , 0x73),
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("printscreen" , 0x46),
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("scrollock" , 0x47),
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("pause" , 0x48),
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("insert" , 0x49),
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("home" , 0x4a),
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("pageup" , 0x4b),
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("Prior" , 0x4b),
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("delete" , 0x4c),
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("end" , 0x4d),
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("pagedown" , 0x4e),
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("Next" , 0x4e),
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("right" , 0x4f),
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("down" , 0x51),
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("left" , 0x50),
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("up" , 0x52),
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("numlock" , 0x53),
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("KP_Divide" , 0x54),
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("KP_Multiply" , 0x55),
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("KP_Subtract" , 0x56),
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("KP_Add" , 0x57),
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("KP_Enter" , 0x58),
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("KP_End" , 0x59),
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("KP_Down" , 0x5a),
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("KP_Next" , 0x5b),
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("KP_Left" , 0x5c),
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("KP_Begin" , 0x5d),
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("KP_Right" , 0x5e),
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("KP_Home" , 0x5f),
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("KP_Up" , 0x60),
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("KP_Prior" , 0x61),
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("KP_Insert" , 0x62),
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("KP_Delete" , 0x63),
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("less" , 0x64),
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("Multi_key" , 0x65),
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("compose" , 0x65),
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("XF86PowerOff" , 0x66),
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("KP_Equal" , 0x67),
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("XF86Tools" , 0x68),
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("XF86Launch5" , 0x69),
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("XF86MenuKB" , 0x6a),
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("XF86Launch7" , 0x6b),
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("XF86Launch8" , 0x6c),
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("XF86Launch9" , 0x6d),
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("<6e>" , 0x6e),
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("<6f>" , 0x6f),
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("XF86TouchpadToggle" , 0x70),
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("XF86TouchpadToggle" , 0x71),
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("XF86TouchpadOff" , 0x72),
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("<73>" , 0x73),
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("SunOpen" , 0x74),
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("Help" , 0x75),
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("SunProps" , 0x76),
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("SunFront" , 0x77),
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("Cancel" , 0x78),
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("Redo" , 0x79),
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("Undo" , 0x7a),
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("XF86Cut" , 0x7b),
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("XF86Copy" , 0x7c),
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("XF86Paste" , 0x7d),
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("Find" , 0x7e),
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("XF86AudioMute" , 0x7f),
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("XF86AudioRaiseVolume", 0x80),
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("XF86AudioLowerVolume", 0x81),
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("<82>" , 0x82),
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("<83>" , 0x83),
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("A" , 0x84),
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("B" , 0x85),
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("C" , 0x86),
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("D" , 0x87),
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("E" , 0x88),
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("F" , 0x89),
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("G" , 0x8a),
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("H" , 0x8b),
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("I" , 0x8c),
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("J" , 0x8d),
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("K" , 0x8e),
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("L" , 0x8f),
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("M" , 0x90),
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("N" , 0x91),
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("O" , 0x92),
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("P" , 0x93),
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("Q" , 0x94),
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("R" , 0x95),
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("S" , 0x96),
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("T" , 0x97),
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("U" , 0x98),
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("V" , 0x99),
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("W" , 0x9a),
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("X" , 0x9b),
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("Y" , 0x9c),
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("Z" , 0x9d),
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("!" , 0x9e),
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("@" , 0x9f),
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("#" , 0xa0),
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("$" , 0xa1),
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("%" , 0xa2),
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("^" , 0xa3),
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("&" , 0xa4),
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("*" , 0xa5),
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("(" , 0xa6),
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(")" , 0xa7),
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("<a8>" , 0xa8),
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("<a9>" , 0xa9),
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("<aa>" , 0xaa),
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("<ab>" , 0xab),
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("<ac>" , 0xac),
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("_" , 0xad),
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("+" , 0xae),
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("(" , 0xaf),
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(")" , 0xb0),
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("|" , 0xb1),
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("|" , 0xb2),
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(":" , 0xb3),
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("\"" , 0xb4),
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("~" , 0xb5),
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("<" , 0xb6),
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(">" , 0xb7),
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("?" , 0xb8),
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("<b9>" , 0xb9),
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("<ba>" , 0xba),
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("<bb>" , 0xbb),
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("<bc>" , 0xbc),
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("<bd>" , 0xbd),
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("<be>" , 0xbe),
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("<bf>" , 0xbf),
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("<c0>" , 0xc0),
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("<c1>" , 0xc1),
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("<c2>" , 0xc2),
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("<c3>" , 0xc3),
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("<c4>" , 0xc4),
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("<c5>" , 0xc5),
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("<c6>" , 0xc6),
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("<c7>" , 0xc7),
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("<c8>" , 0xc8),
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("<c9>" , 0xc9),
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("<ca>" , 0xca),
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("<cb>" , 0xcb),
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("<cc>" , 0xcc),
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("<cd>" , 0xcd),
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("<ce>" , 0xce),
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("<cf>" , 0xcf),
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("<d0>" , 0xd0),
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("<d1>" , 0xd1),
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("<d2>" , 0xd2),
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("<d3>" , 0xd3),
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("<d4>" , 0xd4),
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("<d5>" , 0xd5),
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("<d6>" , 0xd6),
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("<d7>" , 0xd7),
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("<d8>" , 0xd8),
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("<d9>" , 0xd9),
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("<da>" , 0xda),
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("<db>" , 0xdb),
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("<dc>" , 0xdc),
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("<dd>" , 0xdd),
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("<de>" , 0xde),
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("<df>" , 0xdf),
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("Control_L" , 0xe0),
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("Shift_L" , 0xe1),
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("Alt_L" , 0xe2),
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("Super_L" , 0xe3),
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("Control_R" , 0xe4),
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("Shift_R" , 0xe5),
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("Meta_R" , 0xe6),
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("Super_R" , 0xe7),
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("XF86AudioPause" , 0xe8),
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("XF86Eject" , 0xe9),
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("XF86AudioPrev" , 0xea),
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("XF86AudioNext" , 0xeb),
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("XF86Eject" , 0xec),
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("XF86AudioRaiseVolume", 0xed),
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("XF86AudioLowerVolume", 0xee),
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("XF86AudioMute" , 0xef),
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("XF86WWW" , 0xf0),
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("XF86Back" , 0xf1),
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("XF86Forward" , 0xf2),
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("Cancel" , 0xf3),
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("Find" , 0xf4),
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("XF86ScrollUp" , 0xf5),
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("XF86ScrollDown" , 0xf6),
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("<f7>" , 0xf7),
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("XF86Sleep" , 0xf8),
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("XF86ScreenSaver" , 0xf9),
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("XF86Reload" , 0xfa),
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("XF86Calculator" , 0xfb),
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("<fc>" , 0xfc),
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("<fd>" , 0xfd),
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("<fe>" , 0xfe),
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("<ff>" , 0xff),
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];
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pub fn decode_byte(c: &str) -> u8 {
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for key in KEY_MAP.iter() {
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if key.0 == c {
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return key.1
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}
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}
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return 0
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}
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pub fn print_key_map(rows: usize) {
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print!("{}", " ‖ Key Name ¦ Value ".repeat(rows));
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println!(" ‖");
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println!(" {}", "-".repeat(rows*36));
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for (i, key) in KEY_MAP.iter().enumerate() {
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print!(" ‖ {name:<-name_width$} ¦ <0x{value:>0value_width$x}> ",
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name=key.0, name_width=20, value = key.1, value_width = 2);
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if (i + 1) % rows == 0 {
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println!(" ‖");
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}
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}
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}

‎src/main.rs‎

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fn main() {
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println!("Hello, world!");
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}

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