1 | /*
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2 | * Copyright (c) 2023 Jiri Svoboda
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3 | * All rights reserved.
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4 | *
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5 | * Redistribution and use in source and binary forms, with or without
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6 | * modification, are permitted provided that the following conditions
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7 | * are met:
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8 | *
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9 | * - Redistributions of source code must retain the above copyright
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10 | * notice, this list of conditions and the following disclaimer.
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11 | * - Redistributions in binary form must reproduce the above copyright
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12 | * notice, this list of conditions and the following disclaimer in the
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13 | * documentation and/or other materials provided with the distribution.
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14 | * - The name of the author may not be used to endorse or promote products
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15 | * derived from this software without specific prior written permission.
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16 | *
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17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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27 | */
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28 |
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29 | /** @addtogroup kbd_ctl
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30 | * @ingroup input
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31 | * @{
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32 | */
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33 | /**
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34 | * @file
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35 | * @brief Serial TTY-like keyboard controller driver.
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36 | *
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37 | * Keyboard emulation on a serial terminal.
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38 | */
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39 |
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40 | #include <errno.h>
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41 | #include <io/keycode.h>
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42 | #include "../stroke.h"
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43 | #include "../gsp.h"
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44 | #include "../kbd.h"
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45 | #include "../kbd_port.h"
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46 | #include "../kbd_ctl.h"
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47 |
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48 | static void stty_ctl_parse(sysarg_t);
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49 | static errno_t stty_ctl_init(kbd_dev_t *);
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50 | static void stty_ctl_set_ind(kbd_dev_t *, unsigned int);
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51 |
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52 | kbd_ctl_ops_t stty_ctl = {
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53 | .parse = stty_ctl_parse,
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54 | .init = stty_ctl_init,
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55 | .set_ind = stty_ctl_set_ind
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56 | };
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57 |
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58 | static kbd_dev_t *kbd_dev;
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59 |
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60 | /** Scancode parser */
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61 | static gsp_t sp;
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62 |
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63 | /** Current parser state */
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64 | static int ds;
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65 |
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66 | #include <stdio.h>
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67 |
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68 | /**
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69 | * Sequnece definitions are primarily for Xterm. Additionally we define
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70 | * sequences that are unique to Gnome terminal -- most are the same but
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71 | * some differ.
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72 | */
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73 | static int seq_defs[] = {
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74 | /* Not shifted */
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75 |
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76 | 0, KC_BACKTICK, 0x60, GSP_END,
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77 |
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78 | 0, KC_1, 0x31, GSP_END,
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79 | 0, KC_2, 0x32, GSP_END,
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80 | 0, KC_3, 0x33, GSP_END,
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81 | 0, KC_4, 0x34, GSP_END,
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82 | 0, KC_5, 0x35, GSP_END,
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83 | 0, KC_6, 0x36, GSP_END,
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84 | 0, KC_7, 0x37, GSP_END,
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85 | 0, KC_8, 0x38, GSP_END,
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86 | 0, KC_9, 0x39, GSP_END,
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87 | 0, KC_0, 0x30, GSP_END,
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88 |
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89 | 0, KC_MINUS, 0x2d, GSP_END,
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90 | 0, KC_EQUALS, 0x3d, GSP_END,
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91 |
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92 | 0, KC_BACKSPACE, 0x08, GSP_END,
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93 |
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94 | 0, KC_TAB, 0x09, GSP_END,
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95 |
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96 | 0, KC_Q, 0x71, GSP_END,
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97 | 0, KC_W, 0x77, GSP_END,
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98 | 0, KC_E, 0x65, GSP_END,
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99 | 0, KC_R, 0x72, GSP_END,
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100 | 0, KC_T, 0x74, GSP_END,
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101 | 0, KC_Y, 0x79, GSP_END,
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102 | 0, KC_U, 0x75, GSP_END,
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103 | 0, KC_I, 0x69, GSP_END,
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104 | 0, KC_O, 0x6f, GSP_END,
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105 | 0, KC_P, 0x70, GSP_END,
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106 |
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107 | 0, KC_LBRACKET, 0x5b, GSP_END,
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108 | 0, KC_RBRACKET, 0x5d, GSP_END,
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109 |
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110 | 0, KC_A, 0x61, GSP_END,
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111 | 0, KC_S, 0x73, GSP_END,
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112 | 0, KC_D, 0x64, GSP_END,
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113 | 0, KC_F, 0x66, GSP_END,
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114 | 0, KC_G, 0x67, GSP_END,
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115 | 0, KC_H, 0x68, GSP_END,
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116 | 0, KC_J, 0x6a, GSP_END,
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117 | 0, KC_K, 0x6b, GSP_END,
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118 | 0, KC_L, 0x6c, GSP_END,
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119 |
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120 | 0, KC_SEMICOLON, 0x3b, GSP_END,
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121 | 0, KC_QUOTE, 0x27, GSP_END,
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122 | 0, KC_BACKSLASH, 0x5c, GSP_END,
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123 |
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124 | 0, KC_Z, 0x7a, GSP_END,
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125 | 0, KC_X, 0x78, GSP_END,
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126 | 0, KC_C, 0x63, GSP_END,
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127 | 0, KC_V, 0x76, GSP_END,
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128 | 0, KC_B, 0x62, GSP_END,
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129 | 0, KC_N, 0x6e, GSP_END,
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130 | 0, KC_M, 0x6d, GSP_END,
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131 |
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132 | 0, KC_COMMA, 0x2c, GSP_END,
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133 | 0, KC_PERIOD, 0x2e, GSP_END,
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134 | 0, KC_SLASH, 0x2f, GSP_END,
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135 |
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136 | /* Shifted */
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137 |
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138 | KM_SHIFT, KC_BACKTICK, 0x7e, GSP_END,
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139 |
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140 | KM_SHIFT, KC_1, 0x21, GSP_END,
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141 | KM_SHIFT, KC_2, 0x40, GSP_END,
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142 | KM_SHIFT, KC_3, 0x23, GSP_END,
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143 | KM_SHIFT, KC_4, 0x24, GSP_END,
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144 | KM_SHIFT, KC_5, 0x25, GSP_END,
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145 | KM_SHIFT, KC_6, 0x5e, GSP_END,
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146 | KM_SHIFT, KC_7, 0x26, GSP_END,
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147 | KM_SHIFT, KC_8, 0x2a, GSP_END,
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148 | KM_SHIFT, KC_9, 0x28, GSP_END,
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149 | KM_SHIFT, KC_0, 0x29, GSP_END,
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150 |
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151 | KM_SHIFT, KC_MINUS, 0x5f, GSP_END,
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152 | KM_SHIFT, KC_EQUALS, 0x2b, GSP_END,
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153 |
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154 | KM_SHIFT, KC_Q, 0x51, GSP_END,
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155 | KM_SHIFT, KC_W, 0x57, GSP_END,
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156 | KM_SHIFT, KC_E, 0x45, GSP_END,
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157 | KM_SHIFT, KC_R, 0x52, GSP_END,
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158 | KM_SHIFT, KC_T, 0x54, GSP_END,
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159 | KM_SHIFT, KC_Y, 0x59, GSP_END,
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160 | KM_SHIFT, KC_U, 0x55, GSP_END,
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161 | KM_SHIFT, KC_I, 0x49, GSP_END,
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162 | KM_SHIFT, KC_O, 0x4f, GSP_END,
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163 | KM_SHIFT, KC_P, 0x50, GSP_END,
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164 |
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165 | KM_SHIFT, KC_LBRACKET, 0x7b, GSP_END,
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166 | KM_SHIFT, KC_RBRACKET, 0x7d, GSP_END,
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167 |
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168 | KM_SHIFT, KC_A, 0x41, GSP_END,
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169 | KM_SHIFT, KC_S, 0x53, GSP_END,
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170 | KM_SHIFT, KC_D, 0x44, GSP_END,
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171 | KM_SHIFT, KC_F, 0x46, GSP_END,
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172 | KM_SHIFT, KC_G, 0x47, GSP_END,
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173 | KM_SHIFT, KC_H, 0x48, GSP_END,
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174 | KM_SHIFT, KC_J, 0x4a, GSP_END,
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175 | KM_SHIFT, KC_K, 0x4b, GSP_END,
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176 | KM_SHIFT, KC_L, 0x4c, GSP_END,
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177 |
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178 | KM_SHIFT, KC_SEMICOLON, 0x3a, GSP_END,
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179 | KM_SHIFT, KC_QUOTE, 0x22, GSP_END,
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180 | KM_SHIFT, KC_BACKSLASH, 0x7c, GSP_END,
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181 |
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182 | KM_SHIFT, KC_Z, 0x5a, GSP_END,
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183 | KM_SHIFT, KC_X, 0x58, GSP_END,
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184 | KM_SHIFT, KC_C, 0x43, GSP_END,
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185 | KM_SHIFT, KC_V, 0x56, GSP_END,
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186 | KM_SHIFT, KC_B, 0x42, GSP_END,
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187 | KM_SHIFT, KC_N, 0x4e, GSP_END,
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188 | KM_SHIFT, KC_M, 0x4d, GSP_END,
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189 |
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190 | KM_SHIFT, KC_COMMA, 0x3c, GSP_END,
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191 | KM_SHIFT, KC_PERIOD, 0x3e, GSP_END,
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192 | KM_SHIFT, KC_SLASH, 0x3f, GSP_END,
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193 |
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194 | /* ... */
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195 |
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196 | 0, KC_SPACE, 0x20, GSP_END,
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197 | 0, KC_ENTER, 0x0a, GSP_END,
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198 | 0, KC_ENTER, 0x0d, GSP_END,
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199 |
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200 | 0, KC_ESCAPE, 0x1b, 0x1b, GSP_END,
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201 |
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202 | 0, KC_F1, 0x1b, 0x4f, 0x50, GSP_END,
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203 | 0, KC_F2, 0x1b, 0x4f, 0x51, GSP_END,
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204 | 0, KC_F3, 0x1b, 0x4f, 0x52, GSP_END,
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205 | 0, KC_F4, 0x1b, 0x4f, 0x53, GSP_END,
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206 | 0, KC_F5, 0x1b, 0x5b, 0x31, 0x35, 0x7e, GSP_END,
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207 | 0, KC_F6, 0x1b, 0x5b, 0x31, 0x37, 0x7e, GSP_END,
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208 | 0, KC_F7, 0x1b, 0x5b, 0x31, 0x38, 0x7e, GSP_END,
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209 | 0, KC_F8, 0x1b, 0x5b, 0x31, 0x39, 0x7e, GSP_END,
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210 | 0, KC_F9, 0x1b, 0x5b, 0x32, 0x30, 0x7e, GSP_END,
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211 | 0, KC_F10, 0x1b, 0x5b, 0x32, 0x31, 0x7e, GSP_END,
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212 | 0, KC_F11, 0x1b, 0x5b, 0x32, 0x33, 0x7e, GSP_END,
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213 | 0, KC_F12, 0x1b, 0x5b, 0x32, 0x34, 0x7e, GSP_END,
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214 |
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215 | 0, KC_PRTSCR, 0x1b, 0x5b, 0x32, 0x35, 0x7e, GSP_END,
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216 | 0, KC_PAUSE, 0x1b, 0x5b, 0x32, 0x38, 0x7e, GSP_END,
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217 |
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218 | 0, KC_INSERT, 0x1b, 0x5b, 0x32, 0x7e, GSP_END,
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219 | 0, KC_HOME, 0x1b, 0x5b, 0x48, GSP_END,
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220 | 0, KC_PAGE_UP, 0x1b, 0x5b, 0x35, 0x7e, GSP_END,
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221 | 0, KC_DELETE, 0x1b, 0x5b, 0x33, 0x7e, GSP_END,
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222 | 0, KC_END, 0x1b, 0x5b, 0x46, GSP_END,
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223 | 0, KC_PAGE_DOWN, 0x1b, 0x5b, 0x36, 0x7e, GSP_END,
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224 |
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225 | 0, KC_UP, 0x1b, 0x5b, 0x41, GSP_END,
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226 | 0, KC_LEFT, 0x1b, 0x5b, 0x44, GSP_END,
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227 | 0, KC_DOWN, 0x1b, 0x5b, 0x42, GSP_END,
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228 | 0, KC_RIGHT, 0x1b, 0x5b, 0x43, GSP_END,
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229 |
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230 | /* Ctrl + key */
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231 |
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232 | KM_CTRL, KC_Q, 0x11, GSP_END,
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233 | KM_CTRL, KC_W, 0x17, GSP_END,
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234 | KM_CTRL, KC_E, 0x05, GSP_END,
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235 | KM_CTRL, KC_R, 0x12, GSP_END,
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236 | KM_CTRL, KC_T, 0x14, GSP_END,
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237 | KM_CTRL, KC_Y, 0x19, GSP_END,
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238 | KM_CTRL, KC_U, 0x15, GSP_END,
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239 | KM_CTRL, KC_O, 0x0f, GSP_END,
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240 | KM_CTRL, KC_P, 0x10, GSP_END,
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241 |
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242 | KM_CTRL, KC_A, 0x01, GSP_END,
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243 | KM_CTRL, KC_S, 0x13, GSP_END,
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244 | KM_CTRL, KC_D, 0x04, GSP_END,
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245 | KM_CTRL, KC_F, 0x06, GSP_END,
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246 | KM_CTRL, KC_G, 0x07, GSP_END,
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247 | KM_CTRL, KC_K, 0x0b, GSP_END,
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248 | KM_CTRL, KC_L, 0x0c, GSP_END,
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249 |
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250 | KM_CTRL, KC_Z, 0x1a, GSP_END,
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251 | KM_CTRL, KC_X, 0x18, GSP_END,
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252 | KM_CTRL, KC_C, 0x03, GSP_END,
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253 | KM_CTRL, KC_V, 0x16, GSP_END,
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254 | KM_CTRL, KC_B, 0x02, GSP_END,
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255 | KM_CTRL, KC_N, 0x0e, GSP_END,
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256 |
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257 | /* Alt + key */
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258 |
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259 | KM_ALT, KC_BACKTICK, 0x1b, 0x60, GSP_END,
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260 |
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261 | KM_ALT, KC_1, 0x1b, 0x31, GSP_END,
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262 | KM_ALT, KC_2, 0x1b, 0x32, GSP_END,
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263 | KM_ALT, KC_3, 0x1b, 0x33, GSP_END,
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264 | KM_ALT, KC_4, 0x1b, 0x34, GSP_END,
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265 | KM_ALT, KC_5, 0x1b, 0x35, GSP_END,
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266 | KM_ALT, KC_6, 0x1b, 0x36, GSP_END,
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267 | KM_ALT, KC_7, 0x1b, 0x37, GSP_END,
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268 | KM_ALT, KC_8, 0x1b, 0x38, GSP_END,
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269 | KM_ALT, KC_9, 0x1b, 0x39, GSP_END,
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270 | KM_ALT, KC_0, 0x1b, 0x30, GSP_END,
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271 |
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272 | KM_ALT, KC_MINUS, 0x1b, 0x2d, GSP_END,
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273 | KM_ALT, KC_EQUALS, 0x1b, 0x3d, GSP_END,
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274 |
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275 | KM_ALT, KC_Q, 0x1b, 0x71, GSP_END,
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276 | KM_ALT, KC_W, 0x1b, 0x77, GSP_END,
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277 | KM_ALT, KC_E, 0x1b, 0x65, GSP_END,
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278 | KM_ALT, KC_R, 0x1b, 0x72, GSP_END,
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279 | KM_ALT, KC_T, 0x1b, 0x74, GSP_END,
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280 | KM_ALT, KC_Y, 0x1b, 0x79, GSP_END,
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281 | KM_ALT, KC_U, 0x1b, 0x75, GSP_END,
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282 | KM_ALT, KC_I, 0x1b, 0x69, GSP_END,
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283 | KM_ALT, KC_O, 0x1b, 0x6f, GSP_END,
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284 | KM_ALT, KC_P, 0x1b, 0x70, GSP_END,
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285 |
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286 | /* 0x1b, 0x5b is used by other keys/sequences */
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287 | KM_ALT, KC_RBRACKET, 0x1b, 0x5d, GSP_END,
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288 |
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289 | KM_ALT, KC_A, 0x1b, 0x61, GSP_END,
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290 | KM_ALT, KC_S, 0x1b, 0x73, GSP_END,
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291 | KM_ALT, KC_D, 0x1b, 0x64, GSP_END,
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292 | KM_ALT, KC_F, 0x1b, 0x66, GSP_END,
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293 | KM_ALT, KC_G, 0x1b, 0x67, GSP_END,
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294 | KM_ALT, KC_H, 0x1b, 0x68, GSP_END,
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295 | KM_ALT, KC_J, 0x1b, 0x6a, GSP_END,
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296 | KM_ALT, KC_K, 0x1b, 0x6b, GSP_END,
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297 | KM_ALT, KC_L, 0x1b, 0x6c, GSP_END,
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298 |
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299 | KM_ALT, KC_SEMICOLON, 0x1b, 0x3b, GSP_END,
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300 | KM_ALT, KC_QUOTE, 0x1b, 0x27, GSP_END,
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301 | KM_ALT, KC_BACKSLASH, 0x1b, 0x5c, GSP_END,
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302 |
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303 | KM_ALT, KC_Z, 0x1b, 0x7a, GSP_END,
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304 | KM_ALT, KC_X, 0x1b, 0x78, GSP_END,
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305 | KM_ALT, KC_C, 0x1b, 0x63, GSP_END,
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306 | KM_ALT, KC_V, 0x1b, 0x76, GSP_END,
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307 | KM_ALT, KC_B, 0x1b, 0x62, GSP_END,
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308 | KM_ALT, KC_N, 0x1b, 0x6e, GSP_END,
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309 | KM_ALT, KC_M, 0x1b, 0x6d, GSP_END,
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310 |
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311 | KM_ALT, KC_COMMA, 0x1b, 0x2c, GSP_END,
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312 | KM_ALT, KC_PERIOD, 0x1b, 0x2e, GSP_END,
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313 | KM_ALT, KC_SLASH, 0x1b, 0x2f, GSP_END,
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314 |
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315 | /*
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316 | * Sequences specific to Gnome terminal
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317 | */
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318 | 0, KC_BACKSPACE, 0x7f, GSP_END, /* ASCII DEL */
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319 | 0, KC_HOME, 0x1b, 0x4f, 0x48, GSP_END,
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320 | 0, KC_END, 0x1b, 0x4f, 0x46, GSP_END,
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321 |
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322 | 0, 0
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323 | };
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324 |
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325 | static errno_t stty_ctl_init(kbd_dev_t *kdev)
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326 | {
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327 | kbd_dev = kdev;
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328 | ds = 0;
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329 |
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330 | gsp_init(&sp);
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331 | if (gsp_insert_defs(&sp, seq_defs) < 0) {
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332 | return EINVAL;
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333 | }
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334 | return EOK;
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335 | }
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336 |
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337 | static void stty_ctl_parse(sysarg_t scancode)
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338 | {
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339 | unsigned mods, key;
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340 |
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341 | ds = gsp_step(&sp, ds, scancode, &mods, &key);
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342 | if (key != 0) {
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343 | stroke_sim(kbd_dev, mods, key);
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344 | }
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345 | }
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346 |
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347 | static void stty_ctl_set_ind(kbd_dev_t *kdev, unsigned mods)
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348 | {
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349 | (void) mods;
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350 | }
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351 |
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352 | /**
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353 | * @}
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354 | */
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