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https://github.com/osiweb/unified_retro_keyboard.git
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83 lines
2.6 KiB
C
83 lines
2.6 KiB
C
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// -*- mode: C; tab-width: 2 ; indent-tabs-mode: nil -*-
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//
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// Universal Keyboard Project
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// ASDF keyboard firmware
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//
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// asdf_keymaps.c
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//
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// Copyright 2019 David Fenyes
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//
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// This program is free software: you can redistribute it and/or modify it under
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// the terms of the GNU General Public License as published by the Free Software
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// Foundation, either version 3 of the License, or (at your option) any later
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// version.
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//
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// This program is distributed in the hope that it will be useful, but WITHOUT
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// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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// FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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// details.
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//
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// You should have received a copy of the GNU General Public License along with
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// this program. If not, see <https://www.gnu.org/licenses/>.
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#include <stdint.h>
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#include "asdf.h"
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#include "asdf_arch.h"
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#include "asdf_keymaps.h"
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typedef asdf_keycode_t keycode_matrix_t[ASDF_NUM_ROWS][ASDF_NUM_COLS];
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static const FLASH keycode_matrix_t plain_matrix = ASCII_PLAIN_MAP;
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static const FLASH keycode_matrix_t shift_matrix = ASCII_SHIFT_MAP;
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static const FLASH keycode_matrix_t caps_matrix = ASCII_CAPS_MAP;
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static const FLASH keycode_matrix_t ctrl_matrix = ASCII_CTRL_MAP;
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static keycode_matrix_t const *modifier_matrix[MOD_NUM_MAPS];
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// PROCEDURE: asdf_keymaps_init
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// INPUTS: none
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// OUTPUTS: none
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//
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// DESCRIPTION: Assigns the keymaps to the indices specified by the modifier
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// index, to avoid hard-coding constant index values.
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//
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// SIDE EFFECTS: builds up the private map table.
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//
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// SCOPE: public
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//
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// COMPLEXITY: 1
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//
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void asdf_keymaps_init(void)
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{
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modifier_matrix[MOD_PLAIN_MAP] = &plain_matrix;
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modifier_matrix[MOD_SHIFT_MAP] = &shift_matrix;
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modifier_matrix[MOD_CAPS_MAP] = &caps_matrix;
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modifier_matrix[MOD_CTRL_MAP] = &ctrl_matrix;
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}
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// PROCEDURE: asdf_keymaps_get_code
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// INPUTS: row, col: row and column of key that has been pressed
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// modifiers_index: index into the keymap array, based on modifier state
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// OUTPUTS: returns a key code.
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//
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// DESCRIPTION: Given a key row and column, and an index based on modifier
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// state, return the appropriate keycode.
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//
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// SIDE EFFECTS: none
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//
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// SCOPE: public
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//
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// COMPLEXITY: 1
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//
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asdf_keycode_t asdf_keymaps_get_code(const uint8_t row, const uint8_t col,
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const uint8_t modifier_index)
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{
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const keycode_matrix_t *matrix = modifier_matrix[modifier_index];
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return FLASH_READ_MATRIX_ELEMENT(*matrix, row, col);
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}
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//-------|---------|---------+---------+---------+---------+---------+---------+
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// Above line is 80 columns, and should display completely in the editor.
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