184 lines
7.3 KiB
C
184 lines
7.3 KiB
C
// -*- mode: C; tab-width: 4 ; indent-tabs-mode: nil -*-
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//
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// Unfified Keyboard Project
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// ASDF keyboard firmware
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//
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// asdf_keymaps.h
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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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// While there is nothing preventing a standard keyboard from having both a
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// "Shift Lock" key and a "Caps Lock" key, usually only one will be present. For
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// testing, both must be present to test their functionality.
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#if !defined(ASDF_KEYMAPS_H)
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#define ASDF_KEYMAPS_H
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#include "asdf.h"
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#include "asdf_hook.h"
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#include "asdf_virtual.h"
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#include "asdf_physical.h"
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#include "asdf_modifiers.h"
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// Define the bit position of each keymap DIP switch. The DIP switch values at
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// each bit position can be used to select the current keymap. This requires the
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// DIP switches to be mapped to the asdf_keymaps_select_X_set() and
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// asdf_keymaps_select_X_clear() functions in each keymap.
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#define ASDF_KEYMAP_BIT_0 1
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#define ASDF_KEYMAP_BIT_1 2
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#define ASDF_KEYMAP_BIT_2 4
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#define ASDF_KEYMAP_BIT_3 8
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// define the struct for each keymap matrix in the keymap array. One per
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// modifier state. Each keymap can have it's own row and column count.
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typedef struct {
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asdf_keycode_t *matrix;
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uint8_t rows;
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uint8_t cols;
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} asdf_keycode_map_t;
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// PROCEDURE: asdf_keymaps_add_map
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// INPUTS: (asdf_keycode_t *) matrix - pointer to the keycode matrix to add in to map
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// (uint8_t) modifier_index - the modifier value for the keycode matrix being added
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// (uint8_t) rows - number of rows in the keymap
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// (uint8_t) cols - number of columns in the keymap
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// OUTPUTS: none
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// DESCRIPTION: Called by keymap building modules. This routine adds a keymap to the current
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// setup function into the keymap setup array.
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// NOTES: If the keymap modifier index, num_rows, or num_cols are not valid then no
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// action is performed.
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void asdf_keymaps_add_map(const asdf_keycode_t *matrix,
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modifier_index_t modifier_index,
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uint8_t num_rows, uint8_t num_cols);
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// PROCEDURE: asdf_keymaps_num_rows
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// INPUTS: none
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// OUTPUTS: uint8_t - returns number of rows in keymap for current modifier state
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// DESCRIPTION: See OUTPUTS
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uint8_t asdf_keymaps_num_rows(void);
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// PROCEDURE: asdf_keymaps_num_cols
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// INPUTS: none
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// OUTPUTS: uint8_t - returns number of columns in keymap for current modifier state
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// DESCRIPTION: See OUTPUTS
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uint8_t asdf_keymaps_num_cols(void);
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// PROCEDURE: asdf_keymaps_select
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// INPUTS: (uint8_t) index - index of the keymap number to select
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// OUTPUTS: none
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// DESCRIPTION: accepts a index value. If the requested keymap index is valid,
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// then assign the value to the global (to the module) keymap_index variable. If
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// requested index is not valid then do nothing.
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void asdf_keymaps_select(uint8_t index);
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// PROCEDURE: asdf_keymaps_map_select_0_clear
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// INPUTS: none
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// OUTPUTS: none
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// DESCRIPTION: called when map select 0 switch is open. Clears the 0 bit in the
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// keymap index.
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void asdf_keymaps_map_select_0_clear(void);
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// PROCEDURE: asdf_keymaps_map_select_0_set
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// INPUTS: none
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// OUTPUTS: none
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// DESCRIPTION: called when map select 0 switch is closed. Sets the 0 bit in the
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// keymap index, if the resulting keymap index is valid. Otherwise do nothing.
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void asdf_keymaps_map_select_0_set(void);
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// PROCEDURE: asdf_keymaps_map_select_1_clear
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// INPUTS: none
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// OUTPUTS: none
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// DESCRIPTION: called when map select 1 switch is open. Clears the 1 bit in the
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// keymap index.
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void asdf_keymaps_map_select_1_clear(void);
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// PROCEDURE: asdf_keymaps_map_select_1_set
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// INPUTS: none
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// OUTPUTS: none
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// DESCRIPTION: called when map select 1 switch is closed. Sets the 0 bit in the
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// keymap index, if the resulting keymap index is valid. Otherwise do nothing.
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void asdf_keymaps_map_select_1_set(void);
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// PROCEDURE: asdf_keymaps_map_select_2_clear
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// INPUTS: none
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// OUTPUTS: none
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// DESCRIPTION: called when map select 2 switch is open. Clears the 2 bit in the
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// keymap index.
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void asdf_keymaps_map_select_2_clear(void);
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// PROCEDURE: asdf_keymaps_map_select_2_set
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// INPUTS: none
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// OUTPUTS: none
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// DESCRIPTION: called when map select 2 switch is closed. Sets the 0 bit in the
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// keymap index, if the resulting keymap index is valid. Otherwise do nothing.
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void asdf_keymaps_map_select_2_set(void);
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// PROCEDURE: asdf_keymaps_map_select_3_clear
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// INPUTS: none
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// OUTPUTS: none
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// DESCRIPTION: called when map select 3 switch is open. Clears the 3 bit in the
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// keymap index.
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void asdf_keymaps_map_select_3_clear(void);
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// PROCEDURE: asdf_keymaps_map_select_3_set
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// INPUTS: none
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// OUTPUTS: none
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// DESCRIPTION: called when map select 3 switch is closed. Sets the 0 bit in the
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// keymap index, if the resulting keymap index is valid. Otherwise do nothing.
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void asdf_keymaps_map_select_3_set(void);
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// PROCEDURE: asdf_keymaps_init
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// INPUTS: none
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// OUTPUTS: none
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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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void asdf_keymaps_init(void);
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// PROCEDURE: asdf_keymap_add_virtual_device
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// INPUTS: (asdf_virtual_dev_t) virtual_dev: The virtual device being assigned
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// (asdf_physical_dev_t) physical_dev: The physical device attached to the virtual device
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// (asdf_virtual_function_t) function: the function associated with the virtual device
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// (uint8_t) initial_value: The initial state of the virtual device
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// OUTPUTS: none
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// DESCRIPTION: Builds the virtual device initializer structure. Uses the
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// arguments to build an entry in the virtual device initializer structure for
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// the current keymap.
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void asdf_keymap_add_virtual_device(asdf_virtual_dev_t virtual_dev,
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asdf_physical_dev_t physical_dev,
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asdf_virtual_function_t function, uint8_t initial_value);
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// PROCEDURE: asdf_keymap_add_hook
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// INPUTS: (asdf_hook_id_t) hook_id: type ID for the provided hook function
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// (asdf_hook_function_t) function: the function associated with the hook.
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// OUTPUTS: none
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// DESCRIPTION: Builds the hook initializer table for the current keymap
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void asdf_keymap_add_hook(asdf_hook_id_t hook_id, asdf_hook_function_t function);
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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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// 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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asdf_keycode_t asdf_keymaps_get_code(uint8_t row, uint8_t col, uint8_t modifier_index);
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#endif /* !defined (ASDF_KEYMAPS_H) */
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//-------|---------|---------+---------+---------+---------+---------+---------+
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// Above line is 80 columns, and should display completely in the editor.
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