Add missing asdf_keymaps.h file

firmware/asdf/src/asdf_keymaps.h

@@ -0,0 +1,49 @@
+// -*- mode: C; tab-width: 4 ; indent-tabs-mode: nil -*-
+//
+//  Unfified Keyboard Project
+//  ASDF keyboard firmware
+//
+//  asdf_keymaps.h
+//
+// Copyright 2019 David Fenyes
+//
+// This program is free software: you can redistribute it and/or modify it under
+// the terms of the GNU General Public License as published by the Free Software
+// Foundation, either version 3 of the License, or (at your option) any later
+// version.
+//
+// This program is distributed in the hope that it will be useful, but WITHOUT
+// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+// FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
+// details.
+//
+// You should have received a copy of the GNU General Public License along with
+// this program. If not, see <https://www.gnu.org/licenses/>.
+
+// While there is nothing preventing a standard keyboard from having both a
+// "Shift Lock" key and a "Caps Lock" key, usually only one will be present. For
+// testing, both must be present to test their functionality.
+
+#if !defined(ASDF_KEYMAPS_H)
+#define ASDF_KEYMAPS_H
+
+// PROCEDURE: asdf_keymaps_init
+// INPUTS: none
+// OUTPUTS: none
+// DESCRIPTION: Assigns the keymaps to the indices specified by the modifier
+// index, to avoid hard-coding constant index values.
+void asdf_keymaps_init(void);
+
+// PROCEDURE: asdf_keymaps_get_code
+// INPUTS: row, col: row and column of key that has been pressed
+//         modifiers_index: index into the keymap array, based on modifier state
+// OUTPUTS: returns a key code.
+// DESCRIPTION: Given a key row and column, and an index based on modifier
+// state, return the appropriate keycode.
+asdf_keycode_t asdf_keymaps_get_code(uint8_t row, uint8_t col, uint8_t modifier_index);
+
+
+#endif /* !defined (ASDF_KEYMAPS_H) */
+
+//-------|---------|---------+---------+---------+---------+---------+---------+
+// Above line is 80 columns, and should display completely in the editor.