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+/*
+Copyright 2016 Fred Sundvik <fsundvik@gmail.com>
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 2 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+// Currently we are assuming that both the backlight and LCD are enabled
+// But it's entirely possible to write a custom visualizer that use only
+// one of them
+#ifndef LCD_BACKLIGHT_ENABLE
+#error This visualizer needs that LCD backlight is enabled
+#endif
+
+#ifndef LCD_ENABLE
+#error This visualizer needs that LCD is enabled
+#endif
+
+#include "visualizer.h"
+#include "visualizer_keyframes.h"
+#include "lcd_keyframes.h"
+#include "lcd_backlight_keyframes.h"
+#include "system/serial_link.h"
+#include "default_animations.h"
+
+static const uint32_t logo_background_color = LCD_COLOR(0x00, 0x00, 0xFF);
+static const uint32_t initial_color = LCD_COLOR(0, 0, 0);
+
+static const uint32_t led_emulation_colors[4] = {
+ LCD_COLOR(0, 0, 0),
+ LCD_COLOR(255, 255, 255),
+ LCD_COLOR(84, 255, 255),
+ LCD_COLOR(168, 255, 255),
+};
+
+static uint32_t next_led_target_color = 0;
+
+typedef enum {
+ LCD_STATE_INITIAL,
+ LCD_STATE_LAYER_BITMAP,
+ LCD_STATE_BITMAP_AND_LEDS,
+} lcd_state_t;
+
+static lcd_state_t lcd_state = LCD_STATE_INITIAL;
+
+typedef struct {
+ uint8_t led_on;
+ uint8_t led1;
+ uint8_t led2;
+ uint8_t led3;
+} visualizer_user_data_t;
+
+// Don't access from visualization function, use the visualizer state instead
+static visualizer_user_data_t user_data_keyboard = {
+ .led_on = 0,
+ .led1 = LED_BRIGHTNESS_HI,
+ .led2 = LED_BRIGHTNESS_HI,
+ .led3 = LED_BRIGHTNESS_HI,
+};
+
+_Static_assert(sizeof(visualizer_user_data_t) <= VISUALIZER_USER_DATA_SIZE,
+ "Please increase the VISUALIZER_USER_DATA_SIZE");
+
+// Feel free to modify the animations below, or even add new ones if needed
+
+
+// The color animation animates the LCD color when you change layers
+static keyframe_animation_t one_led_color = {
+ .num_frames = 1,
+ .loop = false,
+ .frame_lengths = {gfxMillisecondsToTicks(0)},
+ .frame_functions = {lcd_backlight_keyframe_set_color},
+};
+
+bool swap_led_target_color(keyframe_animation_t* animation, visualizer_state_t* state) {
+ uint32_t temp = next_led_target_color;
+ next_led_target_color = state->target_lcd_color;
+ state->target_lcd_color = temp;
+ return false;
+}
+
+// The color animation animates the LCD color when you change layers
+static keyframe_animation_t two_led_colors = {
+ .num_frames = 2,
+ .loop = true,
+ .frame_lengths = {gfxMillisecondsToTicks(1000), gfxMillisecondsToTicks(0)},
+ .frame_functions = {lcd_backlight_keyframe_set_color, swap_led_target_color},
+};
+
+// The LCD animation alternates between the layer name display and a
+// bitmap that displays all active layers
+static keyframe_animation_t lcd_bitmap_animation = {
+ .num_frames = 1,
+ .loop = false,
+ .frame_lengths = {gfxMillisecondsToTicks(0)},
+ .frame_functions = {lcd_keyframe_display_layer_bitmap},
+};
+
+static keyframe_animation_t lcd_bitmap_leds_animation = {
+ .num_frames = 2,
+ .loop = true,
+ .frame_lengths = {gfxMillisecondsToTicks(2000), gfxMillisecondsToTicks(2000)},
+ .frame_functions = {lcd_keyframe_display_layer_bitmap, lcd_keyframe_display_led_states},
+};
+
+void initialize_user_visualizer(visualizer_state_t* state) {
+ // The brightness will be dynamically adjustable in the future
+ // But for now, change it here.
+ lcd_backlight_brightness(130);
+ state->current_lcd_color = initial_color;
+ state->target_lcd_color = logo_background_color;
+ lcd_state = LCD_STATE_INITIAL;
+ start_keyframe_animation(&default_startup_animation);
+}
+
+static inline bool is_led_on(visualizer_user_data_t* user_data, uint8_t num) {
+ return user_data->led_on & (1u << num);
+}
+
+static uint8_t get_led_index_master(visualizer_user_data_t* user_data) {
+ for (int i=0; i < 3; i++) {
+ if (is_led_on(user_data, i)) {
+ return i + 1;
+ }
+ }
+ return 0;
+}
+
+static uint8_t get_led_index_slave(visualizer_user_data_t* user_data) {
+ uint8_t master_index = get_led_index_master(user_data);
+ if (master_index!=0) {
+ for (int i=master_index; i < 3; i++) {
+ if (is_led_on(user_data, i)) {
+ return i + 1;
+ }
+ }
+ }
+
+ return 0;
+}
+
+static uint8_t get_secondary_led_index(visualizer_user_data_t* user_data) {
+ if (is_led_on(user_data, 0) &&
+ is_led_on(user_data, 1) &&
+ is_led_on(user_data, 2)) {
+ return 3;
+ }
+ return 0;
+}
+
+static uint8_t get_brightness(visualizer_user_data_t* user_data, uint8_t index) {
+ switch (index) {
+ case 1:
+ return user_data->led1;
+ case 2:
+ return user_data->led2;
+ case 3:
+ return user_data->led3;
+ }
+ return 0;
+}
+
+static void update_emulated_leds(visualizer_state_t* state, visualizer_keyboard_status_t* prev_status) {
+ visualizer_user_data_t* user_data_new = (visualizer_user_data_t*)state->status.user_data;
+ visualizer_user_data_t* user_data_old = (visualizer_user_data_t*)prev_status->user_data;
+
+ uint8_t new_index;
+ uint8_t old_index;
+
+ if (is_serial_link_master()) {
+ new_index = get_led_index_master(user_data_new);
+ old_index = get_led_index_master(user_data_old);
+ }
+ else {
+ new_index = get_led_index_slave(user_data_new);
+ old_index = get_led_index_slave(user_data_old);
+ }
+ uint8_t new_secondary_index = get_secondary_led_index(user_data_new);
+ uint8_t old_secondary_index = get_secondary_led_index(user_data_old);
+
+ uint8_t old_brightness = get_brightness(user_data_old, old_index);
+ uint8_t new_brightness = get_brightness(user_data_new, new_index);
+
+ uint8_t old_secondary_brightness = get_brightness(user_data_old, old_secondary_index);
+ uint8_t new_secondary_brightness = get_brightness(user_data_new, new_secondary_index);
+
+ if (lcd_state == LCD_STATE_INITIAL ||
+ new_index != old_index ||
+ new_secondary_index != old_secondary_index ||
+ new_brightness != old_brightness ||
+ new_secondary_brightness != old_secondary_brightness) {
+
+ if (new_secondary_index != 0) {
+ state->target_lcd_color = change_lcd_color_intensity(
+ led_emulation_colors[new_index], new_brightness);
+ next_led_target_color = change_lcd_color_intensity(
+ led_emulation_colors[new_secondary_index], new_secondary_brightness);
+
+ stop_keyframe_animation(&one_led_color);
+ start_keyframe_animation(&two_led_colors);
+ } else {
+ state->target_lcd_color = change_lcd_color_intensity(
+ led_emulation_colors[new_index], new_brightness);
+ stop_keyframe_animation(&two_led_colors);
+ start_keyframe_animation(&one_led_color);
+ }
+ }
+}
+
+static void update_lcd_text(visualizer_state_t* state, visualizer_keyboard_status_t* prev_status) {
+ if (state->status.leds) {
+ if (lcd_state != LCD_STATE_BITMAP_AND_LEDS ||
+ state->status.leds != prev_status->leds ||
+ state->status.layer != prev_status->layer ||
+ state->status.default_layer != prev_status->default_layer) {
+
+ // NOTE: that it doesn't matter if the animation isn't playing, stop will do nothing in that case
+ stop_keyframe_animation(&lcd_bitmap_animation);
+
+ lcd_state = LCD_STATE_BITMAP_AND_LEDS;
+ // For information:
+ // The logic in this function makes sure that this doesn't happen, but if you call start on an
+ // animation that is already playing it will be restarted.
+ start_keyframe_animation(&lcd_bitmap_leds_animation);
+ }
+ } else {
+ if (lcd_state != LCD_STATE_LAYER_BITMAP ||
+ state->status.layer != prev_status->layer ||
+ state->status.default_layer != prev_status->default_layer) {
+
+ stop_keyframe_animation(&lcd_bitmap_leds_animation);
+
+ lcd_state = LCD_STATE_LAYER_BITMAP;
+ start_keyframe_animation(&lcd_bitmap_animation);
+ }
+ }
+}
+
+void update_user_visualizer_state(visualizer_state_t* state, visualizer_keyboard_status_t* prev_status) {
+ // Check the status here to start and stop animations
+ // You might have to save some state, like the current animation here so that you can start the right
+ // This function is called every time the status changes
+
+ // NOTE that this is called from the visualizer thread, so don't access anything else outside the status
+ // This is also important because the slave won't have access to the active layer for example outside the
+ // status.
+
+ update_emulated_leds(state, prev_status);
+ update_lcd_text(state, prev_status);
+
+}
+
+void user_visualizer_suspend(visualizer_state_t* state) {
+ state->layer_text = "Suspending...";
+ uint8_t hue = LCD_HUE(state->current_lcd_color);
+ uint8_t sat = LCD_SAT(state->current_lcd_color);
+ state->target_lcd_color = LCD_COLOR(hue, sat, 0);
+ start_keyframe_animation(&default_suspend_animation);
+}
+
+void user_visualizer_resume(visualizer_state_t* state) {
+ state->current_lcd_color = initial_color;
+ state->target_lcd_color = logo_background_color;
+ lcd_state = LCD_STATE_INITIAL;
+ start_keyframe_animation(&default_startup_animation);
+}
+
+void ergodox_board_led_on(void){
+ // No board led support
+}
+
+void ergodox_right_led_1_on(void){
+ user_data_keyboard.led_on |= (1u << 0);
+ visualizer_set_user_data(&user_data_keyboard);
+}
+
+void ergodox_right_led_2_on(void){
+ user_data_keyboard.led_on |= (1u << 1);
+ visualizer_set_user_data(&user_data_keyboard);
+}
+
+void ergodox_right_led_3_on(void){
+ user_data_keyboard.led_on |= (1u << 2);
+ visualizer_set_user_data(&user_data_keyboard);
+}
+
+void ergodox_board_led_off(void){
+ // No board led support
+}
+
+void ergodox_right_led_1_off(void){
+ user_data_keyboard.led_on &= ~(1u << 0);
+ visualizer_set_user_data(&user_data_keyboard);
+}
+
+void ergodox_right_led_2_off(void){
+ user_data_keyboard.led_on &= ~(1u << 1);
+ visualizer_set_user_data(&user_data_keyboard);
+}
+
+void ergodox_right_led_3_off(void){
+ user_data_keyboard.led_on &= ~(1u << 2);
+ visualizer_set_user_data(&user_data_keyboard);
+}
+
+void ergodox_right_led_1_set(uint8_t n) {
+ user_data_keyboard.led1 = n;
+ visualizer_set_user_data(&user_data_keyboard);
+}
+
+void ergodox_right_led_2_set(uint8_t n) {
+ user_data_keyboard.led2 = n;
+ visualizer_set_user_data(&user_data_keyboard);
+}
+
+void ergodox_right_led_3_set(uint8_t n) {
+ user_data_keyboard.led3 = n;
+ visualizer_set_user_data(&user_data_keyboard);
+}