484 lines
		
	
	
		
			17 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			484 lines
		
	
	
		
			17 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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| The MIT License (MIT)
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| 
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| Copyright (c) 2016 Fred Sundvik
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| 
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| Permission is hereby granted, free of charge, to any person obtaining a copy
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| of this software and associated documentation files (the "Software"), to deal
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| in the Software without restriction, including without limitation the rights
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| to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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| copies of the Software, and to permit persons to whom the Software is
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| furnished to do so, subject to the following conditions:
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| 
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| The above copyright notice and this permission notice shall be included in all
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| copies or substantial portions of the Software.
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| 
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| THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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| IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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| FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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| AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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| LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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| OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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| SOFTWARE.
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| */
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| 
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| #include "config.h"
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| #include "visualizer.h"
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| #include <string.h>
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| #ifdef PROTOCOL_CHIBIOS
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| #    include "ch.h"
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| #endif
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| 
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| #include "gfx.h"
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| 
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| #ifdef LCD_BACKLIGHT_ENABLE
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| #    include "lcd_backlight.h"
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| #endif
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| 
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| //#define DEBUG_VISUALIZER
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| 
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| #ifdef DEBUG_VISUALIZER
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| #    include "debug.h"
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| #else
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| #    include "nodebug.h"
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| #endif
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| 
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| #ifdef SERIAL_LINK_ENABLE
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| #    include "serial_link/protocol/transport.h"
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| #    include "serial_link/system/serial_link.h"
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| #endif
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| 
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| #include "action_util.h"
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| 
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| // Define this in config.h
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| #ifndef VISUALIZER_THREAD_PRIORITY
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| // The visualizer needs gfx thread priorities
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| #    define VISUALIZER_THREAD_PRIORITY (NORMAL_PRIORITY - 2)
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| #endif
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| 
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| static visualizer_keyboard_status_t current_status = {.layer         = 0xFFFFFFFF,
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|                                                       .default_layer = 0xFFFFFFFF,
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|                                                       .leds          = 0xFFFFFFFF,
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| #ifdef BACKLIGHT_ENABLE
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|                                                       .backlight_level = 0,
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| #endif
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|                                                       .mods      = 0xFF,
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|                                                       .suspended = false,
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| #ifdef VISUALIZER_USER_DATA_SIZE
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|                                                       .user_data = {0}
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| #endif
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| };
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| 
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| static bool same_status(visualizer_keyboard_status_t* status1, visualizer_keyboard_status_t* status2) {
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|     return status1->layer == status2->layer && status1->default_layer == status2->default_layer && status1->mods == status2->mods && status1->leds == status2->leds && status1->suspended == status2->suspended
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| #ifdef BACKLIGHT_ENABLE
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|            && status1->backlight_level == status2->backlight_level
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| #endif
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| #ifdef VISUALIZER_USER_DATA_SIZE
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|            && memcmp(status1->user_data, status2->user_data, VISUALIZER_USER_DATA_SIZE) == 0
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| #endif
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|         ;
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| }
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| 
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| static bool visualizer_enabled = false;
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| 
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| #ifdef VISUALIZER_USER_DATA_SIZE
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| static uint8_t user_data[VISUALIZER_USER_DATA_SIZE];
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| #endif
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| 
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| #define MAX_SIMULTANEOUS_ANIMATIONS 4
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| static keyframe_animation_t* animations[MAX_SIMULTANEOUS_ANIMATIONS] = {};
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| 
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| #ifdef SERIAL_LINK_ENABLE
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| MASTER_TO_ALL_SLAVES_OBJECT(current_status, visualizer_keyboard_status_t);
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| 
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| static remote_object_t* remote_objects[] = {
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|     REMOTE_OBJECT(current_status),
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| };
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| 
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| #endif
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| 
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| GDisplay* LCD_DISPLAY = 0;
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| GDisplay* LED_DISPLAY = 0;
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| 
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| #ifdef LCD_DISPLAY_NUMBER
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| __attribute__((weak)) GDisplay* get_lcd_display(void) { return gdispGetDisplay(LCD_DISPLAY_NUMBER); }
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| #endif
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| 
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| #ifdef LED_DISPLAY_NUMBER
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| __attribute__((weak)) GDisplay* get_led_display(void) { return gdispGetDisplay(LED_DISPLAY_NUMBER); }
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| #endif
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| 
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| void start_keyframe_animation(keyframe_animation_t* animation) {
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|     animation->current_frame      = -1;
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|     animation->time_left_in_frame = 0;
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|     animation->need_update        = true;
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|     int free_index                = -1;
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|     for (int i = 0; i < MAX_SIMULTANEOUS_ANIMATIONS; i++) {
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|         if (animations[i] == animation) {
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|             return;
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|         }
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|         if (free_index == -1 && animations[i] == NULL) {
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|             free_index = i;
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|         }
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|     }
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|     if (free_index != -1) {
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|         animations[free_index] = animation;
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|     }
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| }
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| 
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| void stop_keyframe_animation(keyframe_animation_t* animation) {
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|     animation->current_frame         = animation->num_frames;
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|     animation->time_left_in_frame    = 0;
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|     animation->need_update           = true;
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|     animation->first_update_of_frame = false;
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|     animation->last_update_of_frame  = false;
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|     for (int i = 0; i < MAX_SIMULTANEOUS_ANIMATIONS; i++) {
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|         if (animations[i] == animation) {
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|             animations[i] = NULL;
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|             return;
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|         }
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|     }
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| }
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| 
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| void stop_all_keyframe_animations(void) {
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|     for (int i = 0; i < MAX_SIMULTANEOUS_ANIMATIONS; i++) {
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|         if (animations[i]) {
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|             animations[i]->current_frame         = animations[i]->num_frames;
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|             animations[i]->time_left_in_frame    = 0;
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|             animations[i]->need_update           = true;
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|             animations[i]->first_update_of_frame = false;
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|             animations[i]->last_update_of_frame  = false;
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|             animations[i]                        = NULL;
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|         }
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|     }
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| }
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| 
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| static uint8_t get_num_running_animations(void) {
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|     uint8_t count = 0;
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|     for (int i = 0; i < MAX_SIMULTANEOUS_ANIMATIONS; i++) {
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|         count += animations[i] ? 1 : 0;
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|     }
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|     return count;
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| }
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| 
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| static bool update_keyframe_animation(keyframe_animation_t* animation, visualizer_state_t* state, systemticks_t delta, systemticks_t* sleep_time) {
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|     // TODO: Clean up this messy code
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|     dprintf("Animation frame%d, left %d, delta %d\n", animation->current_frame, animation->time_left_in_frame, delta);
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|     if (animation->current_frame == animation->num_frames) {
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|         animation->need_update = false;
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|         return false;
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|     }
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|     if (animation->current_frame == -1) {
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|         animation->current_frame         = 0;
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|         animation->time_left_in_frame    = animation->frame_lengths[0];
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|         animation->need_update           = true;
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|         animation->first_update_of_frame = true;
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|     } else {
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|         animation->time_left_in_frame -= delta;
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|         while (animation->time_left_in_frame <= 0) {
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|             int left = animation->time_left_in_frame;
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|             if (animation->need_update) {
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|                 animation->time_left_in_frame   = 0;
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|                 animation->last_update_of_frame = true;
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|                 (*animation->frame_functions[animation->current_frame])(animation, state);
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|                 animation->last_update_of_frame = false;
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|             }
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|             animation->current_frame++;
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|             animation->need_update           = true;
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|             animation->first_update_of_frame = true;
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|             if (animation->current_frame == animation->num_frames) {
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|                 if (animation->loop) {
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|                     animation->current_frame = 0;
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|                 } else {
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|                     stop_keyframe_animation(animation);
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|                     return false;
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|                 }
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|             }
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|             delta                         = -left;
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|             animation->time_left_in_frame = animation->frame_lengths[animation->current_frame];
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|             animation->time_left_in_frame -= delta;
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|         }
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|     }
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|     if (animation->need_update) {
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|         animation->need_update           = (*animation->frame_functions[animation->current_frame])(animation, state);
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|         animation->first_update_of_frame = false;
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|     }
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| 
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|     systemticks_t wanted_sleep = animation->need_update ? gfxMillisecondsToTicks(10) : (unsigned)animation->time_left_in_frame;
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|     if (wanted_sleep < *sleep_time) {
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|         *sleep_time = wanted_sleep;
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|     }
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| 
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|     return true;
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| }
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| 
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| void run_next_keyframe(keyframe_animation_t* animation, visualizer_state_t* state) {
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|     int next_frame = animation->current_frame + 1;
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|     if (next_frame == animation->num_frames) {
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|         next_frame = 0;
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|     }
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|     keyframe_animation_t temp_animation  = *animation;
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|     temp_animation.current_frame         = next_frame;
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|     temp_animation.time_left_in_frame    = animation->frame_lengths[next_frame];
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|     temp_animation.first_update_of_frame = true;
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|     temp_animation.last_update_of_frame  = false;
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|     temp_animation.need_update           = false;
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|     visualizer_state_t temp_state        = *state;
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|     (*temp_animation.frame_functions[next_frame])(&temp_animation, &temp_state);
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| }
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| 
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| // TODO: Optimize the stack size, this is probably way too big
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| static DECLARE_THREAD_STACK(visualizerThreadStack, 1024);
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| static DECLARE_THREAD_FUNCTION(visualizerThread, arg) {
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|     (void)arg;
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| 
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|     GListener event_listener;
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|     geventListenerInit(&event_listener);
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|     geventAttachSource(&event_listener, (GSourceHandle)¤t_status, 0);
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| 
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|     visualizer_keyboard_status_t initial_status = {
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|         .default_layer = 0xFFFFFFFF,
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|         .layer         = 0xFFFFFFFF,
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|         .mods          = 0xFF,
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|         .leds          = 0xFFFFFFFF,
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|         .suspended     = false,
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| #ifdef BACKLIGHT_ENABLE
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|         .backlight_level = 0,
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| #endif
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| #ifdef VISUALIZER_USER_DATA_SIZE
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|         .user_data = {0},
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| #endif
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|     };
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| 
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|     visualizer_state_t state = {.status            = initial_status,
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|                                 .current_lcd_color = 0,
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| #ifdef LCD_ENABLE
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|                                 .font_fixed5x8         = gdispOpenFont("fixed_5x8"),
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|                                 .font_dejavusansbold12 = gdispOpenFont("DejaVuSansBold12")
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| #endif
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|     };
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|     initialize_user_visualizer(&state);
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|     state.prev_lcd_color = state.current_lcd_color;
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| 
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| #ifdef LCD_BACKLIGHT_ENABLE
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|     lcd_backlight_color(LCD_HUE(state.current_lcd_color), LCD_SAT(state.current_lcd_color), LCD_INT(state.current_lcd_color));
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| #endif
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| 
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|     systemticks_t sleep_time   = TIME_INFINITE;
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|     systemticks_t current_time = gfxSystemTicks();
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|     bool          force_update = true;
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| 
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|     while (true) {
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|         systemticks_t new_time = gfxSystemTicks();
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|         systemticks_t delta    = new_time - current_time;
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|         current_time           = new_time;
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|         bool enabled           = visualizer_enabled;
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|         if (force_update || !same_status(&state.status, ¤t_status)) {
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|             force_update = false;
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| #if BACKLIGHT_ENABLE
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|             if (current_status.backlight_level != state.status.backlight_level) {
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|                 if (current_status.backlight_level != 0) {
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|                     gdispGSetPowerMode(LED_DISPLAY, powerOn);
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|                     uint16_t percent = (uint16_t)current_status.backlight_level * 100 / BACKLIGHT_LEVELS;
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|                     gdispGSetBacklight(LED_DISPLAY, percent);
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|                 } else {
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|                     gdispGSetPowerMode(LED_DISPLAY, powerOff);
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|                 }
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|                 state.status.backlight_level = current_status.backlight_level;
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|             }
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| #endif
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|             if (visualizer_enabled) {
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|                 if (current_status.suspended) {
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|                     stop_all_keyframe_animations();
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|                     visualizer_enabled = false;
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|                     state.status       = current_status;
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|                     user_visualizer_suspend(&state);
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|                 } else {
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|                     visualizer_keyboard_status_t prev_status = state.status;
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|                     state.status                             = current_status;
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|                     update_user_visualizer_state(&state, &prev_status);
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|                 }
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|                 state.prev_lcd_color = state.current_lcd_color;
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|             }
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|         }
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|         if (!enabled && state.status.suspended && current_status.suspended == false) {
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|             // Setting the status to the initial status will force an update
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|             // when the visualizer is enabled again
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|             state.status           = initial_status;
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|             state.status.suspended = false;
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|             stop_all_keyframe_animations();
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|             user_visualizer_resume(&state);
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|             state.prev_lcd_color = state.current_lcd_color;
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|         }
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|         sleep_time = TIME_INFINITE;
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|         for (int i = 0; i < MAX_SIMULTANEOUS_ANIMATIONS; i++) {
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|             if (animations[i]) {
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|                 update_keyframe_animation(animations[i], &state, delta, &sleep_time);
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|             }
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|         }
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| #ifdef BACKLIGHT_ENABLE
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|         gdispGFlush(LED_DISPLAY);
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| #endif
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| 
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| #ifdef LCD_ENABLE
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|         gdispGFlush(LCD_DISPLAY);
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| #endif
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| 
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| #ifdef EMULATOR
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|         draw_emulator();
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| #endif
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|         // Enable the visualizer when the startup or the suspend animation has finished
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|         if (!visualizer_enabled && state.status.suspended == false && get_num_running_animations() == 0) {
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|             visualizer_enabled = true;
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|             force_update       = true;
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|             sleep_time         = 0;
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|         }
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| 
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|         systemticks_t after_update = gfxSystemTicks();
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|         unsigned      update_delta = after_update - current_time;
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|         if (sleep_time != TIME_INFINITE) {
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|             if (sleep_time > update_delta) {
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|                 sleep_time -= update_delta;
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|             } else {
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|                 sleep_time = 0;
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|             }
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|         }
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|         dprintf("Update took %d, last delta %d, sleep_time %d\n", update_delta, delta, sleep_time);
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| #ifdef PROTOCOL_CHIBIOS
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|         // The gEventWait function really takes milliseconds, even if the documentation says ticks.
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|         // Unfortunately there's no generic ugfx conversion from system time to milliseconds,
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|         // so let's do it in a platform dependent way.
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| 
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|         // On windows the system ticks is the same as milliseconds anyway
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|         if (sleep_time != TIME_INFINITE) {
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|             sleep_time = TIME_I2MS(sleep_time);
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|         }
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| #endif
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|         geventEventWait(&event_listener, sleep_time);
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|     }
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| #ifdef LCD_ENABLE
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|     gdispCloseFont(state.font_fixed5x8);
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|     gdispCloseFont(state.font_dejavusansbold12);
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| #endif
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| 
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|     return 0;
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| }
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| 
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| void visualizer_init(void) {
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|     gfxInit();
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| 
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| #ifdef LCD_BACKLIGHT_ENABLE
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|     lcd_backlight_init();
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| #endif
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| 
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| #ifdef SERIAL_LINK_ENABLE
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|     add_remote_objects(remote_objects, sizeof(remote_objects) / sizeof(remote_object_t*));
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| #endif
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| 
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| #ifdef LCD_ENABLE
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|     LCD_DISPLAY = get_lcd_display();
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| #endif
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| 
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| #ifdef BACKLIGHT_ENABLE
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|     LED_DISPLAY = get_led_display();
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| #endif
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| 
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|     // We are using a low priority thread, the idea is to have it run only
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|     // when the main thread is sleeping during the matrix scanning
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|     gfxThreadCreate(visualizerThreadStack, sizeof(visualizerThreadStack), VISUALIZER_THREAD_PRIORITY, visualizerThread, NULL);
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| }
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| 
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| void update_status(bool changed) {
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|     if (changed) {
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|         GSourceListener* listener = geventGetSourceListener((GSourceHandle)¤t_status, NULL);
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|         if (listener) {
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|             geventSendEvent(listener);
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|         }
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|     }
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| #ifdef SERIAL_LINK_ENABLE
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|     static systime_t last_update    = 0;
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|     systime_t        current_update = chVTGetSystemTimeX();
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|     systime_t        delta          = current_update - last_update;
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|     if (changed || delta > TIME_MS2I(10)) {
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|         last_update                     = current_update;
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|         visualizer_keyboard_status_t* r = begin_write_current_status();
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|         *r                              = current_status;
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|         end_write_current_status();
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|     }
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| #endif
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| }
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| 
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| uint8_t visualizer_get_mods() {
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|     uint8_t mods = get_mods();
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| 
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| #ifndef NO_ACTION_ONESHOT
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|     if (!has_oneshot_mods_timed_out()) {
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|         mods |= get_oneshot_mods();
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|     }
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| #endif
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|     return mods;
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| }
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| 
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| #ifdef VISUALIZER_USER_DATA_SIZE
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| void visualizer_set_user_data(void* u) { memcpy(user_data, u, VISUALIZER_USER_DATA_SIZE); }
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| #endif
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| 
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| void visualizer_update(layer_state_t default_state, layer_state_t state, uint8_t mods, uint32_t leds) {
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|     // Note that there's a small race condition here, the thread could read
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|     // a state where one of these are set but not the other. But this should
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|     // not really matter as it will be fixed during the next loop step.
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|     // Alternatively a mutex could be used instead of the volatile variables
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| 
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|     bool changed = false;
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| #ifdef SERIAL_LINK_ENABLE
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|     if (is_serial_link_connected()) {
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|         visualizer_keyboard_status_t* new_status = read_current_status();
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|         if (new_status) {
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|             if (!same_status(¤t_status, new_status)) {
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|                 changed        = true;
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|                 current_status = *new_status;
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|             }
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|         }
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|     } else {
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| #else
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|     {
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| #endif
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|         visualizer_keyboard_status_t new_status = {
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|             .layer         = state,
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|             .default_layer = default_state,
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|             .mods          = mods,
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|             .leds          = leds,
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| #ifdef BACKLIGHT_ENABLE
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|             .backlight_level = current_status.backlight_level,
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| #endif
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|             .suspended = current_status.suspended,
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|         };
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| #ifdef VISUALIZER_USER_DATA_SIZE
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|         memcpy(new_status.user_data, user_data, VISUALIZER_USER_DATA_SIZE);
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| #endif
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|         if (!same_status(¤t_status, &new_status)) {
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|             changed        = true;
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|             current_status = new_status;
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|         }
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|     }
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|     update_status(changed);
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| }
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| 
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| void visualizer_suspend(void) {
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|     current_status.suspended = true;
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|     update_status(true);
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| }
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| 
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| void visualizer_resume(void) {
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|     current_status.suspended = false;
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|     update_status(true);
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| }
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| 
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| #ifdef BACKLIGHT_ENABLE
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| void backlight_set(uint8_t level) {
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|     current_status.backlight_level = level;
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|     update_status(true);
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| }
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| #endif
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