4 Copyright (c) 2016 Fred Sundvik
6 Permission is hereby granted, free of charge, to any person obtaining a copy
7 of this software and associated documentation files (the "Software"), to deal
8 in the Software without restriction, including without limitation the rights
9 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 copies of the Software, and to permit persons to whom the Software is
11 furnished to do so, subject to the following conditions:
13 The above copyright notice and this permission notice shall be included in all
14 copies or substantial portions of the Software.
16 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
25 #include "visualizer.h"
28 #ifdef PROTOCOL_CHIBIOS
34 #ifdef LCD_BACKLIGHT_ENABLE
35 #include "lcd_backlight.h"
38 //#define DEBUG_VISUALIZER
40 #ifdef DEBUG_VISUALIZER
46 #ifdef SERIAL_LINK_ENABLE
47 #include "serial_link/protocol/transport.h"
48 #include "serial_link/system/serial_link.h"
51 // Define this in config.h
52 #ifndef VISUALIZER_THREAD_PRIORITY
53 #define "Visualizer thread priority not defined"
57 #include "action_util.h"
59 static visualizer_keyboard_status_t current_status = {
61 .default_layer = 0xFFFFFFFF,
67 static bool same_status(visualizer_keyboard_status_t* status1, visualizer_keyboard_status_t* status2) {
68 return status1->layer == status2->layer &&
69 status1->default_layer == status2->default_layer &&
70 status1->mods == status2->mods &&
71 status1->leds == status2->leds &&
72 status1->suspended == status2->suspended;
75 static bool visualizer_enabled = false;
77 #define MAX_SIMULTANEOUS_ANIMATIONS 4
78 static keyframe_animation_t* animations[MAX_SIMULTANEOUS_ANIMATIONS] = {};
80 #ifdef SERIAL_LINK_ENABLE
81 MASTER_TO_ALL_SLAVES_OBJECT(current_status, visualizer_keyboard_status_t);
83 static remote_object_t* remote_objects[] = {
84 REMOTE_OBJECT(current_status),
89 GDisplay* LCD_DISPLAY = 0;
90 GDisplay* LED_DISPLAY = 0;
93 GDisplay* get_lcd_display(void) {
94 return gdispGetDisplay(0);
98 GDisplay* get_led_display(void) {
99 return gdispGetDisplay(1);
102 void start_keyframe_animation(keyframe_animation_t* animation) {
103 animation->current_frame = -1;
104 animation->time_left_in_frame = 0;
105 animation->need_update = true;
107 for (int i=0;i<MAX_SIMULTANEOUS_ANIMATIONS;i++) {
108 if (animations[i] == animation) {
111 if (free_index == -1 && animations[i] == NULL) {
115 if (free_index!=-1) {
116 animations[free_index] = animation;
120 void stop_keyframe_animation(keyframe_animation_t* animation) {
121 animation->current_frame = animation->num_frames;
122 animation->time_left_in_frame = 0;
123 animation->need_update = true;
124 animation->first_update_of_frame = false;
125 animation->last_update_of_frame = false;
126 for (int i=0;i<MAX_SIMULTANEOUS_ANIMATIONS;i++) {
127 if (animations[i] == animation) {
128 animations[i] = NULL;
134 void stop_all_keyframe_animations(void) {
135 for (int i=0;i<MAX_SIMULTANEOUS_ANIMATIONS;i++) {
137 animations[i]->current_frame = animations[i]->num_frames;
138 animations[i]->time_left_in_frame = 0;
139 animations[i]->need_update = true;
140 animations[i]->first_update_of_frame = false;
141 animations[i]->last_update_of_frame = false;
142 animations[i] = NULL;
147 static bool update_keyframe_animation(keyframe_animation_t* animation, visualizer_state_t* state, systemticks_t delta, systemticks_t* sleep_time) {
148 // TODO: Clean up this messy code
149 dprintf("Animation frame%d, left %d, delta %d\n", animation->current_frame,
150 animation->time_left_in_frame, delta);
151 if (animation->current_frame == animation->num_frames) {
152 animation->need_update = false;
155 if (animation->current_frame == -1) {
156 animation->current_frame = 0;
157 animation->time_left_in_frame = animation->frame_lengths[0];
158 animation->need_update = true;
159 animation->first_update_of_frame = true;
161 animation->time_left_in_frame -= delta;
162 while (animation->time_left_in_frame <= 0) {
163 int left = animation->time_left_in_frame;
164 if (animation->need_update) {
165 animation->time_left_in_frame = 0;
166 animation->last_update_of_frame = true;
167 (*animation->frame_functions[animation->current_frame])(animation, state);
168 animation->last_update_of_frame = false;
170 animation->current_frame++;
171 animation->need_update = true;
172 animation->first_update_of_frame = true;
173 if (animation->current_frame == animation->num_frames) {
174 if (animation->loop) {
175 animation->current_frame = 0;
178 stop_keyframe_animation(animation);
183 animation->time_left_in_frame = animation->frame_lengths[animation->current_frame];
184 animation->time_left_in_frame -= delta;
187 if (animation->need_update) {
188 animation->need_update = (*animation->frame_functions[animation->current_frame])(animation, state);
189 animation->first_update_of_frame = false;
192 systemticks_t wanted_sleep = animation->need_update ? gfxMillisecondsToTicks(10) : (unsigned)animation->time_left_in_frame;
193 if (wanted_sleep < *sleep_time) {
194 *sleep_time = wanted_sleep;
200 void run_next_keyframe(keyframe_animation_t* animation, visualizer_state_t* state) {
201 int next_frame = animation->current_frame + 1;
202 if (next_frame == animation->num_frames) {
205 keyframe_animation_t temp_animation = *animation;
206 temp_animation.current_frame = next_frame;
207 temp_animation.time_left_in_frame = animation->frame_lengths[next_frame];
208 temp_animation.first_update_of_frame = true;
209 temp_animation.last_update_of_frame = false;
210 temp_animation.need_update = false;
211 visualizer_state_t temp_state = *state;
212 (*temp_animation.frame_functions[next_frame])(&temp_animation, &temp_state);
215 bool keyframe_no_operation(keyframe_animation_t* animation, visualizer_state_t* state) {
221 #ifdef LCD_BACKLIGHT_ENABLE
222 bool keyframe_animate_backlight_color(keyframe_animation_t* animation, visualizer_state_t* state) {
223 int frame_length = animation->frame_lengths[animation->current_frame];
224 int current_pos = frame_length - animation->time_left_in_frame;
225 uint8_t t_h = LCD_HUE(state->target_lcd_color);
226 uint8_t t_s = LCD_SAT(state->target_lcd_color);
227 uint8_t t_i = LCD_INT(state->target_lcd_color);
228 uint8_t p_h = LCD_HUE(state->prev_lcd_color);
229 uint8_t p_s = LCD_SAT(state->prev_lcd_color);
230 uint8_t p_i = LCD_INT(state->prev_lcd_color);
232 uint8_t d_h1 = t_h - p_h; //Modulo arithmetic since we want to wrap around
233 int d_h2 = t_h - p_h;
234 // Chose the shortest way around
235 int d_h = abs(d_h2) < d_h1 ? d_h2 : d_h1;
239 int hue = (d_h * current_pos) / frame_length;
240 int sat = (d_s * current_pos) / frame_length;
241 int intensity = (d_i * current_pos) / frame_length;
242 //dprintf("%X -> %X = %X\n", p_h, t_h, hue);
246 state->current_lcd_color = LCD_COLOR(hue, sat, intensity);
248 LCD_HUE(state->current_lcd_color),
249 LCD_SAT(state->current_lcd_color),
250 LCD_INT(state->current_lcd_color));
255 bool keyframe_set_backlight_color(keyframe_animation_t* animation, visualizer_state_t* state) {
257 state->prev_lcd_color = state->target_lcd_color;
258 state->current_lcd_color = state->target_lcd_color;
260 LCD_HUE(state->current_lcd_color),
261 LCD_SAT(state->current_lcd_color),
262 LCD_INT(state->current_lcd_color));
265 #endif // LCD_BACKLIGHT_ENABLE
268 bool keyframe_display_layer_text(keyframe_animation_t* animation, visualizer_state_t* state) {
271 gdispDrawString(0, 10, state->layer_text, state->font_dejavusansbold12, Black);
276 static void format_layer_bitmap_string(uint16_t default_layer, uint16_t layer, char* buffer) {
277 for (int i=0; i<16;i++)
279 uint32_t mask = (1u << i);
280 if (default_layer & mask) {
286 } else if (layer & mask) {
293 if (i==3 || i==7 || i==11) {
301 bool keyframe_display_layer_bitmap(keyframe_animation_t* animation, visualizer_state_t* state) {
303 const char* layer_help = "1=On D=Default B=Both";
304 char layer_buffer[16 + 4]; // 3 spaces and one null terminator
306 gdispDrawString(0, 0, layer_help, state->font_fixed5x8, Black);
307 format_layer_bitmap_string(state->status.default_layer, state->status.layer, layer_buffer);
308 gdispDrawString(0, 10, layer_buffer, state->font_fixed5x8, Black);
309 format_layer_bitmap_string(state->status.default_layer >> 16, state->status.layer >> 16, layer_buffer);
310 gdispDrawString(0, 20, layer_buffer, state->font_fixed5x8, Black);
315 static void format_mods_bitmap_string(uint8_t mods, char* buffer) {
319 for (int i = 0; i<8; i++)
321 uint32_t mask = (1u << i);
337 bool keyframe_display_mods_bitmap(keyframe_animation_t* animation, visualizer_state_t* state) {
340 const char* title = "Modifier states";
341 const char* mods_header = " CSAG CSAG ";
342 char status_buffer[12];
345 gdispDrawString(0, 0, title, state->font_fixed5x8, Black);
346 gdispDrawString(0, 10, mods_header, state->font_fixed5x8, Black);
347 format_mods_bitmap_string(state->status.mods, status_buffer);
348 gdispDrawString(0, 20, status_buffer, state->font_fixed5x8, Black);
355 bool keyframe_disable_lcd_and_backlight(keyframe_animation_t* animation, visualizer_state_t* state) {
359 gdispSetPowerMode(powerOff);
361 #ifdef LCD_BACKLIGHT_ENABLE
362 lcd_backlight_hal_color(0, 0, 0);
367 bool keyframe_enable_lcd_and_backlight(keyframe_animation_t* animation, visualizer_state_t* state) {
371 gdispSetPowerMode(powerOn);
376 bool enable_visualization(keyframe_animation_t* animation, visualizer_state_t* state) {
379 dprint("User visualizer inited\n");
380 visualizer_enabled = true;
384 // TODO: Optimize the stack size, this is probably way too big
385 static DECLARE_THREAD_STACK(visualizerThreadStack, 1024);
386 static DECLARE_THREAD_FUNCTION(visualizerThread, arg) {
389 GListener event_listener;
390 geventListenerInit(&event_listener);
391 geventAttachSource(&event_listener, (GSourceHandle)¤t_status, 0);
393 visualizer_keyboard_status_t initial_status = {
394 .default_layer = 0xFFFFFFFF,
401 visualizer_state_t state = {
402 .status = initial_status,
403 .current_lcd_color = 0,
405 .font_fixed5x8 = gdispOpenFont("fixed_5x8"),
406 .font_dejavusansbold12 = gdispOpenFont("DejaVuSansBold12")
409 initialize_user_visualizer(&state);
410 state.prev_lcd_color = state.current_lcd_color;
412 #ifdef LCD_BACKLIGHT_ENABLE
414 LCD_HUE(state.current_lcd_color),
415 LCD_SAT(state.current_lcd_color),
416 LCD_INT(state.current_lcd_color));
419 systemticks_t sleep_time = TIME_INFINITE;
420 systemticks_t current_time = gfxSystemTicks();
423 systemticks_t new_time = gfxSystemTicks();
424 systemticks_t delta = new_time - current_time;
425 current_time = new_time;
426 bool enabled = visualizer_enabled;
427 if (!same_status(&state.status, ¤t_status)) {
428 if (visualizer_enabled) {
429 if (current_status.suspended) {
430 stop_all_keyframe_animations();
431 visualizer_enabled = false;
432 state.status = current_status;
433 user_visualizer_suspend(&state);
436 state.status = current_status;
437 update_user_visualizer_state(&state);
439 state.prev_lcd_color = state.current_lcd_color;
442 if (!enabled && state.status.suspended && current_status.suspended == false) {
443 // Setting the status to the initial status will force an update
444 // when the visualizer is enabled again
445 state.status = initial_status;
446 state.status.suspended = false;
447 stop_all_keyframe_animations();
448 user_visualizer_resume(&state);
449 state.prev_lcd_color = state.current_lcd_color;
451 sleep_time = TIME_INFINITE;
452 for (int i=0;i<MAX_SIMULTANEOUS_ANIMATIONS;i++) {
454 update_keyframe_animation(animations[i], &state, delta, &sleep_time);
458 gdispGFlush(LED_DISPLAY);
464 // The animation can enable the visualizer
465 // And we might need to update the state when that happens
467 if (enabled != visualizer_enabled) {
471 systemticks_t after_update = gfxSystemTicks();
472 unsigned update_delta = after_update - current_time;
473 if (sleep_time != TIME_INFINITE) {
474 if (sleep_time > update_delta) {
475 sleep_time -= update_delta;
481 dprintf("Update took %d, last delta %d, sleep_time %d\n", update_delta, delta, sleep_time);
482 #ifdef PROTOCOL_CHIBIOS
483 // The gEventWait function really takes milliseconds, even if the documentation says ticks.
484 // Unfortunately there's no generic ugfx conversion from system time to milliseconds,
485 // so let's do it in a platform dependent way.
487 // On windows the system ticks is the same as milliseconds anyway
488 if (sleep_time != TIME_INFINITE) {
489 sleep_time = ST2MS(sleep_time);
492 geventEventWait(&event_listener, sleep_time);
495 gdispCloseFont(state.font_fixed5x8);
496 gdispCloseFont(state.font_dejavusansbold12);
502 void visualizer_init(void) {
505 #ifdef LCD_BACKLIGHT_ENABLE
506 lcd_backlight_init();
509 #ifdef SERIAL_LINK_ENABLE
510 add_remote_objects(remote_objects, sizeof(remote_objects) / sizeof(remote_object_t*) );
514 LCD_DISPLAY = get_lcd_display();
517 LED_DISPLAY = get_led_display();
520 // We are using a low priority thread, the idea is to have it run only
521 // when the main thread is sleeping during the matrix scanning
522 gfxThreadCreate(visualizerThreadStack, sizeof(visualizerThreadStack),
523 VISUALIZER_THREAD_PRIORITY, visualizerThread, NULL);
526 void update_status(bool changed) {
528 GSourceListener* listener = geventGetSourceListener((GSourceHandle)¤t_status, NULL);
530 geventSendEvent(listener);
533 #ifdef SERIAL_LINK_ENABLE
534 static systime_t last_update = 0;
535 systime_t current_update = chVTGetSystemTimeX();
536 systime_t delta = current_update - last_update;
537 if (changed || delta > MS2ST(10)) {
538 last_update = current_update;
539 visualizer_keyboard_status_t* r = begin_write_current_status();
541 end_write_current_status();
546 uint8_t visualizer_get_mods() {
547 uint8_t mods = get_mods();
549 #ifndef NO_ACTION_ONESHOT
550 if (!has_oneshot_mods_timed_out()) {
551 mods |= get_oneshot_mods();
557 void visualizer_update(uint32_t default_state, uint32_t state, uint8_t mods, uint32_t leds) {
558 // Note that there's a small race condition here, the thread could read
559 // a state where one of these are set but not the other. But this should
560 // not really matter as it will be fixed during the next loop step.
561 // Alternatively a mutex could be used instead of the volatile variables
563 bool changed = false;
564 #ifdef SERIAL_LINK_ENABLE
565 if (is_serial_link_connected ()) {
566 visualizer_keyboard_status_t* new_status = read_current_status();
568 if (!same_status(¤t_status, new_status)) {
570 current_status = *new_status;
578 visualizer_keyboard_status_t new_status = {
580 .default_layer = default_state,
583 .suspended = current_status.suspended,
585 if (!same_status(¤t_status, &new_status)) {
587 current_status = new_status;
590 update_status(changed);
593 void visualizer_suspend(void) {
594 current_status.suspended = true;
598 void visualizer_resume(void) {
599 current_status.suspended = false;