Debounce refactor / API (#3720)
[jackhill/qmk/firmware.git] / quantum / keymap_common.c
1 /*
2 Copyright 2012-2017 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 SPLIT_KEYBOARD
33 #include "split_flags.h"
34 #endif
35
36 #ifdef MIDI_ENABLE
37 #include "process_midi.h"
38 #endif
39
40 extern keymap_config_t keymap_config;
41
42 #include <inttypes.h>
43
44 /* converts key to action */
45 action_t action_for_key(uint8_t layer, keypos_t key)
46 {
47 // 16bit keycodes - important
48 uint16_t keycode = keymap_key_to_keycode(layer, key);
49
50 // keycode remapping
51 keycode = keycode_config(keycode);
52
53 action_t action;
54 uint8_t action_layer, when, mod;
55
56 switch (keycode) {
57 case KC_FN0 ... KC_FN31:
58 action.code = keymap_function_id_to_action(FN_INDEX(keycode));
59 break;
60 case KC_A ... KC_EXSEL:
61 case KC_LCTRL ... KC_RGUI:
62 action.code = ACTION_KEY(keycode);
63 break;
64 case KC_SYSTEM_POWER ... KC_SYSTEM_WAKE:
65 action.code = ACTION_USAGE_SYSTEM(KEYCODE2SYSTEM(keycode));
66 break;
67 case KC_AUDIO_MUTE ... KC_BRIGHTNESS_DOWN:
68 action.code = ACTION_USAGE_CONSUMER(KEYCODE2CONSUMER(keycode));
69 break;
70 case KC_MS_UP ... KC_MS_ACCEL2:
71 action.code = ACTION_MOUSEKEY(keycode);
72 break;
73 case KC_TRNS:
74 action.code = ACTION_TRANSPARENT;
75 break;
76 case QK_MODS ... QK_MODS_MAX: ;
77 // Has a modifier
78 // Split it up
79 action.code = ACTION_MODS_KEY(keycode >> 8, keycode & 0xFF); // adds modifier to key
80 break;
81 case QK_FUNCTION ... QK_FUNCTION_MAX: ;
82 // Is a shortcut for function action_layer, pull last 12bits
83 // This means we have 4,096 FN macros at our disposal
84 action.code = keymap_function_id_to_action( (int)keycode & 0xFFF );
85 break;
86 case QK_MACRO ... QK_MACRO_MAX:
87 if (keycode & 0x800) // tap macros have upper bit set
88 action.code = ACTION_MACRO_TAP(keycode & 0xFF);
89 else
90 action.code = ACTION_MACRO(keycode & 0xFF);
91 break;
92 case QK_LAYER_TAP ... QK_LAYER_TAP_MAX:
93 action.code = ACTION_LAYER_TAP_KEY((keycode >> 0x8) & 0xF, keycode & 0xFF);
94 break;
95 case QK_TO ... QK_TO_MAX: ;
96 // Layer set "GOTO"
97 when = (keycode >> 0x4) & 0x3;
98 action_layer = keycode & 0xF;
99 action.code = ACTION_LAYER_SET(action_layer, when);
100 break;
101 case QK_MOMENTARY ... QK_MOMENTARY_MAX: ;
102 // Momentary action_layer
103 action_layer = keycode & 0xFF;
104 action.code = ACTION_LAYER_MOMENTARY(action_layer);
105 break;
106 case QK_DEF_LAYER ... QK_DEF_LAYER_MAX: ;
107 // Set default action_layer
108 action_layer = keycode & 0xFF;
109 action.code = ACTION_DEFAULT_LAYER_SET(action_layer);
110 break;
111 case QK_TOGGLE_LAYER ... QK_TOGGLE_LAYER_MAX: ;
112 // Set toggle
113 action_layer = keycode & 0xFF;
114 action.code = ACTION_LAYER_TOGGLE(action_layer);
115 break;
116 case QK_ONE_SHOT_LAYER ... QK_ONE_SHOT_LAYER_MAX: ;
117 // OSL(action_layer) - One-shot action_layer
118 action_layer = keycode & 0xFF;
119 action.code = ACTION_LAYER_ONESHOT(action_layer);
120 break;
121 case QK_ONE_SHOT_MOD ... QK_ONE_SHOT_MOD_MAX: ;
122 // OSM(mod) - One-shot mod
123 mod = mod_config(keycode & 0xFF);
124 action.code = ACTION_MODS_ONESHOT(mod);
125 break;
126 case QK_LAYER_TAP_TOGGLE ... QK_LAYER_TAP_TOGGLE_MAX:
127 action.code = ACTION_LAYER_TAP_TOGGLE(keycode & 0xFF);
128 break;
129 case QK_LAYER_MOD ... QK_LAYER_MOD_MAX:
130 mod = mod_config(keycode & 0xF);
131 action_layer = (keycode >> 4) & 0xF;
132 action.code = ACTION_LAYER_MODS(action_layer, mod);
133 break;
134 case QK_MOD_TAP ... QK_MOD_TAP_MAX:
135 mod = mod_config((keycode >> 0x8) & 0x1F);
136 action.code = ACTION_MODS_TAP_KEY(mod, keycode & 0xFF);
137 break;
138 #ifdef BACKLIGHT_ENABLE
139 case BL_ON:
140 action.code = ACTION_BACKLIGHT_ON();
141 #ifdef SPLIT_KEYBOARD
142 BACKLIT_DIRTY = true;
143 #endif
144 break;
145 case BL_OFF:
146 action.code = ACTION_BACKLIGHT_OFF();
147 #ifdef SPLIT_KEYBOARD
148 BACKLIT_DIRTY = true;
149 #endif
150 break;
151 case BL_DEC:
152 action.code = ACTION_BACKLIGHT_DECREASE();
153 #ifdef SPLIT_KEYBOARD
154 BACKLIT_DIRTY = true;
155 #endif
156 break;
157 case BL_INC:
158 action.code = ACTION_BACKLIGHT_INCREASE();
159 #ifdef SPLIT_KEYBOARD
160 BACKLIT_DIRTY = true;
161 #endif
162 break;
163 case BL_TOGG:
164 action.code = ACTION_BACKLIGHT_TOGGLE();
165 #ifdef SPLIT_KEYBOARD
166 BACKLIT_DIRTY = true;
167 #endif
168 break;
169 case BL_STEP:
170 action.code = ACTION_BACKLIGHT_STEP();
171 #ifdef SPLIT_KEYBOARD
172 BACKLIT_DIRTY = true;
173 #endif
174 break;
175 #endif
176 #ifdef SWAP_HANDS_ENABLE
177 case QK_SWAP_HANDS ... QK_SWAP_HANDS_MAX:
178 action.code = ACTION(ACT_SWAP_HANDS, keycode & 0xff);
179 break;
180 #endif
181
182 default:
183 action.code = ACTION_NO;
184 break;
185 }
186 return action;
187 }
188
189 __attribute__ ((weak))
190 const uint16_t PROGMEM fn_actions[] = {
191
192 };
193
194 /* Macro */
195 __attribute__ ((weak))
196 const macro_t *action_get_macro(keyrecord_t *record, uint8_t id, uint8_t opt)
197 {
198 return MACRO_NONE;
199 }
200
201 /* Function */
202 __attribute__ ((weak))
203 void action_function(keyrecord_t *record, uint8_t id, uint8_t opt)
204 {
205 }
206
207 // translates key to keycode
208 __attribute__ ((weak))
209 uint16_t keymap_key_to_keycode(uint8_t layer, keypos_t key)
210 {
211 // Read entire word (16bits)
212 return pgm_read_word(&keymaps[(layer)][(key.row)][(key.col)]);
213 }
214
215 // translates function id to action
216 __attribute__ ((weak))
217 uint16_t keymap_function_id_to_action( uint16_t function_id )
218 {
219 // The compiler sees the empty (weak) fn_actions and generates a warning
220 // This function should not be called in that case, so the warning is too strict
221 // If this function is called however, the keymap should have overridden fn_actions, and then the compile
222 // is comparing against the wrong array
223 #pragma GCC diagnostic push
224 #pragma GCC diagnostic ignored "-Warray-bounds"
225 return pgm_read_word(&fn_actions[function_id]);
226 #pragma GCC diagnostic pop
227 }