backlight breathing overhaul (#2187)
[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 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 if (keycode & 0x800) // tap macros have upper bit set
84 action.code = ACTION_MACRO_TAP(keycode & 0xFF);
85 else
86 action.code = ACTION_MACRO(keycode & 0xFF);
87 break;
88 case QK_LAYER_TAP ... QK_LAYER_TAP_MAX:
89 action.code = ACTION_LAYER_TAP_KEY((keycode >> 0x8) & 0xF, keycode & 0xFF);
90 break;
91 case QK_TO ... QK_TO_MAX: ;
92 // Layer set "GOTO"
93 when = (keycode >> 0x4) & 0x3;
94 action_layer = keycode & 0xF;
95 action.code = ACTION_LAYER_SET(action_layer, when);
96 break;
97 case QK_MOMENTARY ... QK_MOMENTARY_MAX: ;
98 // Momentary action_layer
99 action_layer = keycode & 0xFF;
100 action.code = ACTION_LAYER_MOMENTARY(action_layer);
101 break;
102 case QK_DEF_LAYER ... QK_DEF_LAYER_MAX: ;
103 // Set default action_layer
104 action_layer = keycode & 0xFF;
105 action.code = ACTION_DEFAULT_LAYER_SET(action_layer);
106 break;
107 case QK_TOGGLE_LAYER ... QK_TOGGLE_LAYER_MAX: ;
108 // Set toggle
109 action_layer = keycode & 0xFF;
110 action.code = ACTION_LAYER_TOGGLE(action_layer);
111 break;
112 case QK_ONE_SHOT_LAYER ... QK_ONE_SHOT_LAYER_MAX: ;
113 // OSL(action_layer) - One-shot action_layer
114 action_layer = keycode & 0xFF;
115 action.code = ACTION_LAYER_ONESHOT(action_layer);
116 break;
117 case QK_ONE_SHOT_MOD ... QK_ONE_SHOT_MOD_MAX: ;
118 // OSM(mod) - One-shot mod
119 mod = keycode & 0xFF;
120 action.code = ACTION_MODS_ONESHOT(mod);
121 break;
122 case QK_LAYER_TAP_TOGGLE ... QK_LAYER_TAP_TOGGLE_MAX:
123 action.code = ACTION_LAYER_TAP_TOGGLE(keycode & 0xFF);
124 break;
125 case QK_MOD_TAP ... QK_MOD_TAP_MAX:
126 mod = mod_config((keycode >> 0x8) & 0x1F);
127 action.code = ACTION_MODS_TAP_KEY(mod, keycode & 0xFF);
128 break;
129 #ifdef BACKLIGHT_ENABLE
130 case BL_ON:
131 action.code = ACTION_BACKLIGHT_ON();
132 break;
133 case BL_OFF:
134 action.code = ACTION_BACKLIGHT_OFF();
135 break;
136 case BL_DEC:
137 action.code = ACTION_BACKLIGHT_DECREASE();
138 break;
139 case BL_INC:
140 action.code = ACTION_BACKLIGHT_INCREASE();
141 break;
142 case BL_TOGG:
143 action.code = ACTION_BACKLIGHT_TOGGLE();
144 break;
145 case BL_STEP:
146 action.code = ACTION_BACKLIGHT_STEP();
147 break;
148 #endif
149 default:
150 action.code = ACTION_NO;
151 break;
152 }
153 return action;
154 }
155
156 __attribute__ ((weak))
157 const uint16_t PROGMEM fn_actions[] = {
158
159 };
160
161 /* Macro */
162 __attribute__ ((weak))
163 const macro_t *action_get_macro(keyrecord_t *record, uint8_t id, uint8_t opt)
164 {
165 return MACRO_NONE;
166 }
167
168 /* Function */
169 __attribute__ ((weak))
170 void action_function(keyrecord_t *record, uint8_t id, uint8_t opt)
171 {
172 }
173
174 // translates key to keycode
175 __attribute__ ((weak))
176 uint16_t keymap_key_to_keycode(uint8_t layer, keypos_t key)
177 {
178 // Read entire word (16bits)
179 return pgm_read_word(&keymaps[(layer)][(key.row)][(key.col)]);
180 }
181
182 // translates function id to action
183 __attribute__ ((weak))
184 uint16_t keymap_function_id_to_action( uint16_t function_id )
185 {
186 // The compiler sees the empty (weak) fn_actions and generates a warning
187 // This function should not be called in that case, so the warning is too strict
188 // If this function is called however, the keymap should have overridden fn_actions, and then the compile
189 // is comparing against the wrong array
190 #pragma GCC diagnostic push
191 #pragma GCC diagnostic ignored "-Warray-bounds"
192 return pgm_read_word(&fn_actions[function_id]);
193 #pragma GCC diagnostic pop
194 }