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1/*
2Copyright 2016 Fred Sundvik <fsundvik@gmail.com>
3
4This program is free software: you can redistribute it and/or modify
5it under the terms of the GNU General Public License as published by
6the Free Software Foundation, either version 2 of the License, or
7(at your option) any later version.
8
9This program is distributed in the hope that it will be useful,
10but WITHOUT ANY WARRANTY; without even the implied warranty of
11MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12GNU General Public License for more details.
13
14You should have received a copy of the GNU General Public License
15along with this program. If not, see <http://www.gnu.org/licenses/>.
16*/
17
18// Currently we are assuming that both the backlight and LCD are enabled
19// But it's entirely possible to write a custom visualizer that use only
20// one of them
21#ifndef LCD_BACKLIGHT_ENABLE
22#error This visualizer needs that LCD backlight is enabled
23#endif
24
25#ifndef LCD_ENABLE
26#error This visualizer needs that LCD is enabled
27#endif
28
29#include "visualizer.h"
30#include "visualizer_keyframes.h"
31#include "lcd_keyframes.h"
32#include "lcd_backlight_keyframes.h"
33#include "default_animations.h"
34
35static const uint32_t logo_background_color = LCD_COLOR(0x00, 0x00, 0xFF);
36static const uint32_t initial_color = LCD_COLOR(0, 0, 0);
37
38static const uint32_t led_emulation_colors[4] = {
39 LCD_COLOR(0, 0, 0),
40 LCD_COLOR(255, 255, 255),
41 LCD_COLOR(84, 255, 255),
42 LCD_COLOR(168, 255, 255),
43};
44
45static uint32_t next_led_target_color = 0;
46
47typedef enum {
48 LCD_STATE_INITIAL,
49 LCD_STATE_LAYER_BITMAP,
50 LCD_STATE_BITMAP_AND_LEDS,
51} lcd_state_t;
52
53static lcd_state_t lcd_state = LCD_STATE_INITIAL;
54
55typedef struct {
56 uint8_t led_on;
57 uint8_t led1;
58 uint8_t led2;
59 uint8_t led3;
60} visualizer_user_data_t;
61
62// Don't access from visualization function, use the visualizer state instead
63static visualizer_user_data_t user_data_keyboard = {
64 .led_on = 0,
65 .led1 = LED_BRIGHTNESS_HI,
66 .led2 = LED_BRIGHTNESS_HI,
67 .led3 = LED_BRIGHTNESS_HI,
68};
69
70_Static_assert(sizeof(visualizer_user_data_t) <= VISUALIZER_USER_DATA_SIZE,
71 "Please increase the VISUALIZER_USER_DATA_SIZE");
72
73// Feel free to modify the animations below, or even add new ones if needed
74
75
76// The color animation animates the LCD color when you change layers
77static keyframe_animation_t one_led_color = {
78 .num_frames = 1,
79 .loop = false,
80 .frame_lengths = {gfxMillisecondsToTicks(0)},
81 .frame_functions = {lcd_backlight_keyframe_set_color},
82};
83
84bool swap_led_target_color(keyframe_animation_t* animation, visualizer_state_t* state) {
85 uint32_t temp = next_led_target_color;
86 next_led_target_color = state->target_lcd_color;
87 state->target_lcd_color = temp;
88 return false;
89}
90
91// The color animation animates the LCD color when you change layers
92static keyframe_animation_t two_led_colors = {
93 .num_frames = 2,
94 .loop = true,
95 .frame_lengths = {gfxMillisecondsToTicks(1000), gfxMillisecondsToTicks(0)},
96 .frame_functions = {lcd_backlight_keyframe_set_color, swap_led_target_color},
97};
98
99// The LCD animation alternates between the layer name display and a
100// bitmap that displays all active layers
101static keyframe_animation_t lcd_bitmap_animation = {
102 .num_frames = 1,
103 .loop = false,
104 .frame_lengths = {gfxMillisecondsToTicks(0)},
105 .frame_functions = {lcd_keyframe_display_layer_bitmap},
106};
107
108static keyframe_animation_t lcd_bitmap_leds_animation = {
109 .num_frames = 2,
110 .loop = true,
111 .frame_lengths = {gfxMillisecondsToTicks(2000), gfxMillisecondsToTicks(2000)},
112 .frame_functions = {lcd_keyframe_display_layer_bitmap, lcd_keyframe_display_led_states},
113};
114
115void initialize_user_visualizer(visualizer_state_t* state) {
116 // The brightness will be dynamically adjustable in the future
117 // But for now, change it here.
118 lcd_backlight_brightness(130);
119 state->current_lcd_color = initial_color;
120 state->target_lcd_color = logo_background_color;
121 lcd_state = LCD_STATE_INITIAL;
122 start_keyframe_animation(&default_startup_animation);
123}
124
125static inline bool is_led_on(visualizer_user_data_t* user_data, uint8_t num) {
126 return user_data->led_on & (1u << num);
127}
128
129static uint8_t get_led_index_master(visualizer_user_data_t* user_data) {
130 for (int i=0; i < 3; i++) {
131 if (is_led_on(user_data, i)) {
132 return i + 1;
133 }
134 }
135 return 0;
136}
137
138static uint8_t get_led_index_slave(visualizer_user_data_t* user_data) {
139 uint8_t master_index = get_led_index_master(user_data);
140 if (master_index!=0) {
141 for (int i=master_index; i < 3; i++) {
142 if (is_led_on(user_data, i)) {
143 return i + 1;
144 }
145 }
146 }
147
148 return 0;
149}
150
151static uint8_t get_secondary_led_index(visualizer_user_data_t* user_data) {
152 if (is_led_on(user_data, 0) &&
153 is_led_on(user_data, 1) &&
154 is_led_on(user_data, 2)) {
155 return 3;
156 }
157 return 0;
158}
159
160static uint8_t get_brightness(visualizer_user_data_t* user_data, uint8_t index) {
161 switch (index) {
162 case 1:
163 return user_data->led1;
164 case 2:
165 return user_data->led2;
166 case 3:
167 return user_data->led3;
168 }
169 return 0;
170}
171
172static void update_emulated_leds(visualizer_state_t* state, visualizer_keyboard_status_t* prev_status) {
173 visualizer_user_data_t* user_data_new = (visualizer_user_data_t*)state->status.user_data;
174 visualizer_user_data_t* user_data_old = (visualizer_user_data_t*)prev_status->user_data;
175
176 uint8_t new_index;
177 uint8_t old_index;
178
179 if (is_keyboard_master()) {
180 new_index = get_led_index_master(user_data_new);
181 old_index = get_led_index_master(user_data_old);
182 }
183 else {
184 new_index = get_led_index_slave(user_data_new);
185 old_index = get_led_index_slave(user_data_old);
186 }
187 uint8_t new_secondary_index = get_secondary_led_index(user_data_new);
188 uint8_t old_secondary_index = get_secondary_led_index(user_data_old);
189
190 uint8_t old_brightness = get_brightness(user_data_old, old_index);
191 uint8_t new_brightness = get_brightness(user_data_new, new_index);
192
193 uint8_t old_secondary_brightness = get_brightness(user_data_old, old_secondary_index);
194 uint8_t new_secondary_brightness = get_brightness(user_data_new, new_secondary_index);
195
196 if (lcd_state == LCD_STATE_INITIAL ||
197 new_index != old_index ||
198 new_secondary_index != old_secondary_index ||
199 new_brightness != old_brightness ||
200 new_secondary_brightness != old_secondary_brightness) {
201
202 if (new_secondary_index != 0) {
203 state->target_lcd_color = change_lcd_color_intensity(
204 led_emulation_colors[new_index], new_brightness);
205 next_led_target_color = change_lcd_color_intensity(
206 led_emulation_colors[new_secondary_index], new_secondary_brightness);
207
208 stop_keyframe_animation(&one_led_color);
209 start_keyframe_animation(&two_led_colors);
210 } else {
211 state->target_lcd_color = change_lcd_color_intensity(
212 led_emulation_colors[new_index], new_brightness);
213 stop_keyframe_animation(&two_led_colors);
214 start_keyframe_animation(&one_led_color);
215 }
216 }
217}
218
219static void update_lcd_text(visualizer_state_t* state, visualizer_keyboard_status_t* prev_status) {
220 if (state->status.leds) {
221 if (lcd_state != LCD_STATE_BITMAP_AND_LEDS ||
222 state->status.leds != prev_status->leds ||
223 state->status.layer != prev_status->layer ||
224 state->status.default_layer != prev_status->default_layer) {
225
226 // NOTE: that it doesn't matter if the animation isn't playing, stop will do nothing in that case
227 stop_keyframe_animation(&lcd_bitmap_animation);
228
229 lcd_state = LCD_STATE_BITMAP_AND_LEDS;
230 // For information:
231 // The logic in this function makes sure that this doesn't happen, but if you call start on an
232 // animation that is already playing it will be restarted.
233 start_keyframe_animation(&lcd_bitmap_leds_animation);
234 }
235 } else {
236 if (lcd_state != LCD_STATE_LAYER_BITMAP ||
237 state->status.layer != prev_status->layer ||
238 state->status.default_layer != prev_status->default_layer) {
239
240 stop_keyframe_animation(&lcd_bitmap_leds_animation);
241
242 lcd_state = LCD_STATE_LAYER_BITMAP;
243 start_keyframe_animation(&lcd_bitmap_animation);
244 }
245 }
246}
247
248void update_user_visualizer_state(visualizer_state_t* state, visualizer_keyboard_status_t* prev_status) {
249 // Check the status here to start and stop animations
250 // You might have to save some state, like the current animation here so that you can start the right
251 // This function is called every time the status changes
252
253 // NOTE that this is called from the visualizer thread, so don't access anything else outside the status
254 // This is also important because the slave won't have access to the active layer for example outside the
255 // status.
256
257 update_emulated_leds(state, prev_status);
258 update_lcd_text(state, prev_status);
259
260}
261
262void user_visualizer_suspend(visualizer_state_t* state) {
263 state->layer_text = "Suspending...";
264 uint8_t hue = LCD_HUE(state->current_lcd_color);
265 uint8_t sat = LCD_SAT(state->current_lcd_color);
266 state->target_lcd_color = LCD_COLOR(hue, sat, 0);
267 start_keyframe_animation(&default_suspend_animation);
268}
269
270void user_visualizer_resume(visualizer_state_t* state) {
271 state->current_lcd_color = initial_color;
272 state->target_lcd_color = logo_background_color;
273 lcd_state = LCD_STATE_INITIAL;
274 start_keyframe_animation(&default_startup_animation);
275}
276
277void ergodox_board_led_on(void){
278 // No board led support
279}
280
281void ergodox_right_led_1_on(void){
282 user_data_keyboard.led_on |= (1u << 0);
283 visualizer_set_user_data(&user_data_keyboard);
284}
285
286void ergodox_right_led_2_on(void){
287 user_data_keyboard.led_on |= (1u << 1);
288 visualizer_set_user_data(&user_data_keyboard);
289}
290
291void ergodox_right_led_3_on(void){
292 user_data_keyboard.led_on |= (1u << 2);
293 visualizer_set_user_data(&user_data_keyboard);
294}
295
296void ergodox_board_led_off(void){
297 // No board led support
298}
299
300void ergodox_right_led_1_off(void){
301 user_data_keyboard.led_on &= ~(1u << 0);
302 visualizer_set_user_data(&user_data_keyboard);
303}
304
305void ergodox_right_led_2_off(void){
306 user_data_keyboard.led_on &= ~(1u << 1);
307 visualizer_set_user_data(&user_data_keyboard);
308}
309
310void ergodox_right_led_3_off(void){
311 user_data_keyboard.led_on &= ~(1u << 2);
312 visualizer_set_user_data(&user_data_keyboard);
313}
314
315void ergodox_right_led_1_set(uint8_t n) {
316 user_data_keyboard.led1 = n;
317 visualizer_set_user_data(&user_data_keyboard);
318}
319
320void ergodox_right_led_2_set(uint8_t n) {
321 user_data_keyboard.led2 = n;
322 visualizer_set_user_data(&user_data_keyboard);
323}
324
325void ergodox_right_led_3_set(uint8_t n) {
326 user_data_keyboard.led3 = n;
327 visualizer_set_user_data(&user_data_keyboard);
328}