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Keycode refactor
[qmk_firmware.git] / quantum / keymap_common.c
1 /*
2 Copyright 2012,2013 Jun Wako <wakojun@gmail.com>
3
4 This program is free software: you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation, either version 2 of the License, or
7 (at your option) any later version.
8
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12 GNU General Public License for more details.
13
14 You should have received a copy of the GNU General Public License
15 along with this program.  If not, see <http://www.gnu.org/licenses/>.
16 */
17
18 #include "keymap.h"
19 #include "report.h"
20 #include "keycode.h"
21 #include "action_layer.h"
22 #if defined(__AVR__)
23 #include <util/delay.h>
24 #include <stdio.h>
25 #endif
26 #include "action.h"
27 #include "action_macro.h"
28 #include "debug.h"
29 #include "backlight.h"
30 #include "quantum.h"
31
32 #ifdef MIDI_ENABLE
33         #include "process_midi.h"
34 #endif
35
36 extern keymap_config_t keymap_config;
37
38 #include <inttypes.h>
39
40 /* converts key to action */
41 action_t action_for_key(uint8_t layer, keypos_t key)
42 {
43     // 16bit keycodes - important
44     uint16_t keycode = keymap_key_to_keycode(layer, key);
45
46     // keycode remapping
47     keycode = keycode_config(keycode);
48
49     action_t action;
50     uint8_t action_layer, when, mod;
51
52     switch (keycode) {
53         case KC_FN0 ... KC_FN31:
54             action.code = keymap_function_id_to_action(FN_INDEX(keycode));
55             break;
56         case KC_A ... KC_EXSEL:
57         case KC_LCTRL ... KC_RGUI:
58             action.code = ACTION_KEY(keycode);
59             break;
60         case KC_SYSTEM_POWER ... KC_SYSTEM_WAKE:
61             action.code = ACTION_USAGE_SYSTEM(KEYCODE2SYSTEM(keycode));
62             break;
63         case KC_AUDIO_MUTE ... KC_MEDIA_REWIND:
64             action.code = ACTION_USAGE_CONSUMER(KEYCODE2CONSUMER(keycode));
65             break;
66         case KC_MS_UP ... KC_MS_ACCEL2:
67             action.code = ACTION_MOUSEKEY(keycode);
68             break;
69         case KC_TRNS:
70             action.code = ACTION_TRANSPARENT;
71             break;
72         case QK_MODS ... QK_MODS_MAX: ;
73             // Has a modifier
74             // Split it up
75             action.code = ACTION_MODS_KEY(keycode >> 8, keycode & 0xFF); // adds modifier to key
76             break;
77         case QK_FUNCTION ... QK_FUNCTION_MAX: ;
78             // Is a shortcut for function action_layer, pull last 12bits
79             // This means we have 4,096 FN macros at our disposal
80             action.code = keymap_function_id_to_action( (int)keycode & 0xFFF );
81             break;
82         case QK_MACRO ... QK_MACRO_MAX:
83             action.code = ACTION_MACRO(keycode & 0xFF);
84             break;
85         case QK_LAYER_TAP ... QK_LAYER_TAP_MAX:
86             action.code = ACTION_LAYER_TAP_KEY((keycode >> 0x8) & 0xF, keycode & 0xFF);
87             break;
88         case QK_TO ... QK_TO_MAX: ;
89             // Layer set "GOTO"
90             when = (keycode >> 0x4) & 0x3;
91             action_layer = keycode & 0xF;
92             action.code = ACTION_LAYER_SET(action_layer, when);
93             break;
94         case QK_MOMENTARY ... QK_MOMENTARY_MAX: ;
95             // Momentary action_layer
96             action_layer = keycode & 0xFF;
97             action.code = ACTION_LAYER_MOMENTARY(action_layer);
98             break;
99         case QK_DEF_LAYER ... QK_DEF_LAYER_MAX: ;
100             // Set default action_layer
101             action_layer = keycode & 0xFF;
102             action.code = ACTION_DEFAULT_LAYER_SET(action_layer);
103             break;
104         case QK_TOGGLE_LAYER ... QK_TOGGLE_LAYER_MAX: ;
105             // Set toggle
106             action_layer = keycode & 0xFF;
107             action.code = ACTION_LAYER_TOGGLE(action_layer);
108             break;
109         case QK_ONE_SHOT_LAYER ... QK_ONE_SHOT_LAYER_MAX: ;
110             // OSL(action_layer) - One-shot action_layer
111             action_layer = keycode & 0xFF;
112             action.code = ACTION_LAYER_ONESHOT(action_layer);
113             break;
114         case QK_ONE_SHOT_MOD ... QK_ONE_SHOT_MOD_MAX: ;
115             // OSM(mod) - One-shot mod
116             mod = keycode & 0xFF;
117             action.code = ACTION_MODS_ONESHOT(mod);
118             break;
119         case QK_MOD_TAP ... QK_MOD_TAP_MAX:
120             action.code = ACTION_MODS_TAP_KEY((keycode >> 0x8) & 0xF, keycode & 0xFF);
121             break;
122     #ifdef BACKLIGHT_ENABLE
123         case BL_0 ... BL_15:
124             action.code = ACTION_BACKLIGHT_LEVEL(keycode - BL_0);
125             break;
126         case BL_DEC:
127             action.code = ACTION_BACKLIGHT_DECREASE();
128             break;
129         case BL_INC:
130             action.code = ACTION_BACKLIGHT_INCREASE();
131             break;
132         case BL_TOGG:
133             action.code = ACTION_BACKLIGHT_TOGGLE();
134             break;
135         case BL_STEP:
136             action.code = ACTION_BACKLIGHT_STEP();
137             break;
138     #endif
139         default:
140             action.code = ACTION_NO;
141             break;
142     }
143     return action;
144 }
145
146 __attribute__ ((weak))
147 const uint16_t PROGMEM fn_actions[] = {
148
149 };
150
151 /* Macro */
152 __attribute__ ((weak))
153 const macro_t *action_get_macro(keyrecord_t *record, uint8_t id, uint8_t opt)
154 {
155     return MACRO_NONE;
156 }
157
158 /* Function */
159 __attribute__ ((weak))
160 void action_function(keyrecord_t *record, uint8_t id, uint8_t opt)
161 {
162 }
163
164 // translates key to keycode
165 __attribute__ ((weak))
166 uint16_t keymap_key_to_keycode(uint8_t layer, keypos_t key)
167 {
168     // Read entire word (16bits)
169     return pgm_read_word(&keymaps[(layer)][(key.row)][(key.col)]);
170 }
171
172 // translates function id to action
173 __attribute__ ((weak))
174 uint16_t keymap_function_id_to_action( uint16_t function_id )
175 {
176         return pgm_read_word(&fn_actions[function_id]);
177 }