feat(gui): 自动隐藏配置面板。

Reviewed-on: #7

docs/udp.md

@@ -15,3 +15,16 @@
 | 起始位置 | 2 | 0~65535 |
 | 长度 | 2 | 0~65535 |
 | 颜色 | 3 | RGB 顺序，$2^3 * 2^3 * 2^3 = 65535$ 真彩色 |
+
+### 更新电脑显示器亮度 `3`
+
+| 数据 | 长度（字节） | 说明 |
+| --- | --- | --- |
+| 显示器序号 | 1 | 0~255 |
+| 亮度 | 1 | 0~255 |
+
+### 更新电脑音量 `4`
+
+| 数据 | 长度（字节） | 说明 |
+| --- | --- | --- |
+| 音量 | 1 | 0~255 |

main/CMakeLists.txt

@@ -1,6 +1,5 @@
 idf_component_register(
   SRCS
-    "udp_server.c"
     "service_discovery.c"
     "app_nvs.c"
     "ch1116.c"
@@ -13,12 +12,13 @@ idf_component_register(
     # "ambient_light.c"
     # "temperature.c"
     # "mqtt.c"
+    "desktop.c"
     "main.c"
     "wifi.c"
     "light.c"
     "led_strip_encoder/led_strip_encoder.c"
     "gui.c"
-    "lvgl_demo_ui.c"
+   
     "app_icon_8.c"
   INCLUDE_DIRS "."
 )

main/desktop.c

@@ -0,0 +1,285 @@
+#include <lwip/netdb.h>
+#include <string.h>
+#include <sys/param.h>
+
+#include "esp_err.h"
+#include "esp_event.h"
+#include "esp_log.h"
+#include "esp_netif.h"
+#include "esp_system.h"
+#include "esp_wifi.h"
+#include "freertos/FreeRTOS.h"
+#include "freertos/task.h"
+#include "gui.c"
+#include "light.c"
+#include "lwip/err.h"
+#include "lwip/sockets.h"
+#include "lwip/sys.h"
+#include "nvs_flash.h"
+#include "ui_input.c"
+
+#define UDP_PORT 23042
+
+static const char *UDP_SERVER_TAG = "UDP_SERVER";
+
+static bool desktop_connected = false;
+static uint64_t last_desktop_ping_at = 0;
+static struct sockaddr *desktop_addr = NULL;
+
+static int sock = -1;
+static uint8_t tx_buffer[128];
+
+typedef struct desktop_value {
+  uint8_t value;
+  uint8_t max;
+  uint8_t min;
+} desktop_value_t;
+
+static desktop_value_t display1_brightness = {
+    .value = 20,
+    .max = 100,
+    .min = 0,
+};
+static desktop_value_t display2_brightness = {
+    .value = 20,
+    .max = 100,
+    .min = 0,
+};
+static desktop_value_t computer_volume = {
+    .value = 20,
+    .max = 100,
+    .min = 0,
+};
+
+static void udp_server_task(void *pvParameters) {
+  char rx_buffer[1024];
+  char addr_str[128];
+  int addr_family = (int)pvParameters;
+  int ip_protocol = 0;
+  struct sockaddr_in dest_addr;
+
+  while (1) {
+    dest_addr.sin_addr.s_addr = htonl(INADDR_ANY);
+    dest_addr.sin_family = AF_INET;
+    dest_addr.sin_port = htons(UDP_PORT);
+    ip_protocol = IPPROTO_IP;
+
+    sock = socket(addr_family, SOCK_DGRAM, ip_protocol);
+    if (sock < 0) {
+      ESP_LOGE(UDP_SERVER_TAG, "Unable to create socket: errno %d. sock: %d",
+               errno, sock);
+      break;
+    }
+    ESP_LOGI(UDP_SERVER_TAG, "Socket created");
+
+    // Set timeout
+    struct timeval timeout;
+    timeout.tv_sec = 10;
+    timeout.tv_usec = 0;
+    setsockopt(sock, SOL_SOCKET, SO_RCVTIMEO, &timeout, sizeof timeout);
+
+    int err = bind(sock, (struct sockaddr *)&dest_addr, sizeof(dest_addr));
+    if (err < 0) {
+      ESP_LOGE(UDP_SERVER_TAG, "Socket unable to bind: errno %d. sock: %d",
+               errno, sock);
+      sock = -1;
+      vTaskDelay(1000 / portTICK_PERIOD_MS);
+      continue;
+    }
+    ESP_LOGI(UDP_SERVER_TAG, "Socket bound, port %d", UDP_PORT);
+
+    struct sockaddr source_addr;  // Large enough for both IPv4 or IPv6
+    socklen_t socklen = sizeof(source_addr);
+
+    while (1) {
+      // ESP_LOGI(UDP_SERVER_TAG, "Waiting for data");
+      int len = recvfrom(sock, rx_buffer, sizeof(rx_buffer) - 1, 0,
+                         &source_addr, &socklen);
+      // Error occurred during receiving
+      if (len < 0) {
+        if (errno == EAGAIN) {
+          continue;
+        }
+        ESP_LOGE(UDP_SERVER_TAG, "recvfrom failed: errno %d. len: %d", errno,
+                 len);
+      }
+      // Data received
+      else {
+        // Get the sender's ip address as string
+        inet_ntoa_r(((struct sockaddr_in *)&source_addr)->sin_addr, addr_str,
+                    sizeof(addr_str) - 1);
+
+        rx_buffer[len] = 0;  // Null-terminate whatever we received and treat
+                             // like a string...
+
+        switch (rx_buffer[0]) {
+          case 1:
+            last_desktop_ping_at = esp_timer_get_time();
+            ESP_LOGD(UDP_SERVER_TAG, "Received ping from %s", addr_str);
+            sendto(sock, rx_buffer, 1, 0, &source_addr, sizeof(source_addr));
+            desktop_addr = &source_addr;
+            break;
+
+          case 2:
+            set_display_ambient_light_colors(
+                ((uint16_t)rx_buffer[1] << 8 | (uint16_t)rx_buffer[2]),
+                (uint8_t *)&(rx_buffer[3]), len - 3);
+            break;
+
+          default:
+
+            ESP_LOGI(UDP_SERVER_TAG, "%s", rx_buffer);
+            break;
+        }
+        ESP_LOGD(UDP_SERVER_TAG, "Received %d bytes from %s:", len, addr_str);
+      }
+
+      if (sock != -1 && len < 0) {
+        ESP_LOGE(UDP_SERVER_TAG, "Shutting down socket and restarting...");
+        shutdown(sock, 0);
+        close(sock);
+        break;
+      }
+    }
+  }
+  vTaskDelete(NULL);
+}
+
+static uint8_t desktop_change_value(desktop_value_t *target, int8_t delta) {
+  if (delta > 0) {
+    if ((target->max - target->value) > delta) {
+      target->value += delta;
+    } else {
+      target->value = target->max;
+    }
+  } else {
+    if ((target->value - target->min) > -delta) {
+      target->value += delta;
+    } else {
+      target->value = target->min;
+    }
+  }
+  return target->value;
+}
+
+static uint8_t change_display_brightness(uint8_t display_index, int8_t delta) {
+  if (desktop_addr == NULL) {
+    ESP_LOGW(UDP_SERVER_TAG, "No desktop connected");
+    return 0;
+  }
+
+  switch (display_index) {
+    case 0: {
+      uint8_t value = desktop_change_value(&display1_brightness, delta);
+
+      tx_buffer[0] = 3;
+      tx_buffer[1] = 0;
+      tx_buffer[2] = value;
+      int err =
+          sendto(sock, tx_buffer, 3, 0, desktop_addr, sizeof(*desktop_addr));
+      if (err < 0) {
+        ESP_LOGE(UDP_SERVER_TAG, "Socket unable to send: errno %d. sock: %d",
+                 errno, sock);
+      }
+
+      gui_change_display_brightness(display_index, value);
+      return value;
+    }
+
+    case 1: {
+      uint8_t value = desktop_change_value(&display1_brightness, delta);
+
+      tx_buffer[0] = 3;
+      tx_buffer[1] = 1;
+      tx_buffer[2] = value;
+      int err =
+          sendto(sock, tx_buffer, 3, 0, desktop_addr, sizeof(*desktop_addr));
+      if (err < 0) {
+        ESP_LOGE(UDP_SERVER_TAG, "Socket unable to send: errno %d. sock: %d",
+                 errno, sock);
+      }
+
+      gui_change_display_brightness(display_index, value);
+      return value;
+    }
+
+    default:
+      ESP_LOGE(UDP_SERVER_TAG, "Invalid display index: %d", display_index);
+      return 0;
+  }
+}
+static uint8_t change_volume(int8_t delta) {
+  if (desktop_addr == NULL) {
+    ESP_LOGW(UDP_SERVER_TAG, "No desktop connected");
+    return 0;
+  }
+
+  uint8_t value = desktop_change_value(&computer_volume, delta);
+
+  tx_buffer[0] = 4;
+  tx_buffer[1] = value;
+  int err = sendto(sock, tx_buffer, 2, 0, desktop_addr, sizeof(*desktop_addr));
+  if (err < 0) {
+    char addr_str[128];
+    inet_ntoa_r(((struct sockaddr_in *)desktop_addr)->sin_addr, addr_str,
+                sizeof(addr_str) - 1);
+    ESP_LOGI(UDP_SERVER_TAG, "addr: %s", addr_str);
+    ESP_LOGE(UDP_SERVER_TAG, "Socket unable to send: errno %d. sock: %d", errno,
+             sock);
+  }
+
+  gui_change_volume_level(value);
+  return value;
+}
+
+static void desktop_watch_input_task(void *arg) {
+  s_ui_input_t input;
+  for (;;) {
+    if (xQueueReceive(ui_input_event, &input, portMAX_DELAY)) {
+      switch (input.key) {
+        case ui_input_key_display_0_brightness:
+          change_display_brightness(0, input.value);
+          break;
+
+        case ui_input_key_display_1_brightness:
+          change_display_brightness(1, input.value);
+          break;
+
+        case ui_input_key_computer_volume:
+          change_volume(input.value);
+          break;
+
+        default:
+          break;
+      }
+    }
+  }
+}
+
+static void change_desktop_connection_status(bool connected) {
+  desktop_connected = connected;
+  if (connected) {
+    gui_set_server_connected();
+  } else {
+    gui_set_server_disconnected();
+  }
+}
+
+static void desktop_online_check_task(void *pvParameters) {
+  while (1) {
+    if (esp_timer_get_time() - last_desktop_ping_at > 5000000) {  // 2 seconds
+      change_desktop_connection_status(false);
+    } else {
+      change_desktop_connection_status(true);
+    }
+    vTaskDelay(1000 / portTICK_PERIOD_MS);
+  }
+}
+
+void udp_server_init(void) {
+  xTaskCreate(udp_server_task, "udp_server", 4096, (void *)AF_INET, 5, NULL);
+  xTaskCreate(desktop_online_check_task, "desktop_online_check", 1024, NULL, 10,
+              NULL);
+  xTaskCreate(desktop_watch_input_task, "desktop_watch_input", 4096, NULL, 7,
+              NULL);
+}

main/gui.c

@@ -38,6 +38,8 @@ static const char *GUI_TAG = "LVGL_GUI";
 // EE 8A 9E
 #define APP_TIMER_SYMBOL "\xEE\x8A\x9E"
 
+#define GUI_PANEL_TIMEOUT_US 3000000  // 3s
+
 extern void example_lvgl_demo_ui(lv_disp_t *disp);
 
 static void example_lvgl_flush_cb(lv_disp_drv_t *drv, const lv_area_t *area,
@@ -64,6 +66,14 @@ static void example_lvgl_set_px_cb(lv_disp_drv_t *disp_drv, uint8_t *buf,
   }
 }
 
+typedef struct value_setting_panel {
+  lv_obj_t *panel;
+  lv_obj_t *bar;
+  lv_obj_t *label;
+  lv_obj_t *value_label;
+  int64_t last_updated_at;
+} value_setting_panel_t;
+
 static lv_obj_t *wifi_label;
 static lv_anim_t wifi_animate;
 
@@ -73,10 +83,7 @@ static lv_anim_t timer_animate;
 static lv_obj_t *desktop_label;
 static lv_anim_t desktop_animate;
 
-static lv_obj_t *value_setting_panel;
-static lv_obj_t *value_setting_bar;
-static lv_obj_t *value_setting_label;
-static lv_obj_t *value_setting_value_label;
+value_setting_panel_t *value_setting_panel = NULL;
 
 static lv_obj_t *scr;
 
@@ -147,7 +154,9 @@ static void gui_set_wifi_connecting() {
 
 static void gui_set_wifi_connected() {
   lv_anim_del(wifi_label, NULL);
-  vTaskDelay(300 / portTICK_PERIOD_MS);
+  lv_obj_clear_flag(wifi_label, LV_OBJ_FLAG_HIDDEN);
+  lv_label_set_text(wifi_label, APP_WIFI_GOOD_SYMBOL);
+  vTaskDelay(100 / portTICK_PERIOD_MS);
   lv_obj_clear_flag(wifi_label, LV_OBJ_FLAG_HIDDEN);
   lv_label_set_text(wifi_label, APP_WIFI_GOOD_SYMBOL);
 }
@@ -165,7 +174,9 @@ static void gui_set_server_connecting() {
 
 static void gui_set_server_connected() {
   lv_anim_del(desktop_label, NULL);
-  vTaskDelay(300 / portTICK_PERIOD_MS);
+  lv_obj_clear_flag(desktop_label, LV_OBJ_FLAG_HIDDEN);
+  lv_label_set_text(desktop_label, APP_CONNECTED_SYMBOL);
+  vTaskDelay(100 / portTICK_PERIOD_MS);
   lv_obj_clear_flag(desktop_label, LV_OBJ_FLAG_HIDDEN);
   lv_label_set_text(desktop_label, APP_CONNECTED_SYMBOL);
 }
@@ -178,6 +189,12 @@ static void gui_set_server_disconnected() {
 }
 
 static void gui_bar_value_update_cb(lv_event_t *e) {
+  if (value_setting_panel == NULL) {
+    ESP_LOGW(GUI_TAG, "value_setting_panel is NULL");
+    return;
+  }
+  lv_obj_t *value_label = value_setting_panel->value_label;
+
   lv_obj_draw_part_dsc_t *dsc = lv_event_get_param(e);
   if (dsc->part != LV_PART_INDICATOR) return;
 
@@ -198,101 +215,107 @@ static void gui_bar_value_update_cb(lv_event_t *e) {
   /*If the indicator is long enough put the text inside on the right*/
   if (lv_area_get_width(dsc->draw_area) > txt_size.x + 20) {
     txt_x = dsc->draw_area->x2 - 8 - txt_size.x + 1;
-    lv_obj_set_style_text_color(value_setting_value_label, lv_color_white(),
-                                LV_PART_MAIN);
+    lv_obj_set_style_text_color(value_label, lv_color_white(), LV_PART_MAIN);
     label_dsc.color = lv_color_white();
   }
   /*If the indicator is still short put the text out of it on the right*/
   else {
     txt_x = dsc->draw_area->x2 - 8 + txt_size.x - 1;
-    lv_obj_set_style_text_color(value_setting_value_label, lv_color_black(),
-                                LV_PART_MAIN);
+    lv_obj_set_style_text_color(value_label, lv_color_black(), LV_PART_MAIN);
   }
 
-  lv_obj_align(value_setting_value_label, LV_ALIGN_LEFT_MID, txt_x, 0);
-  lv_label_set_text(value_setting_value_label, buf);
-  lv_obj_set_width(value_setting_value_label, txt_size.x);
+  lv_obj_align(value_label, LV_ALIGN_LEFT_MID, txt_x, 0);
+  lv_label_set_text(value_label, buf);
+  lv_obj_set_width(value_label, txt_size.x);
+}
+
+static void gui_close_value_setting_panel() {
+  if (value_setting_panel == NULL) return;
+  lv_obj_del(value_setting_panel->panel);
+  free(value_setting_panel);
+  value_setting_panel = NULL;
+}
+
+static void gui_check_value_setting_panel_task(void *pvParameters) {
+  vTaskDelay(5000 / portTICK_PERIOD_MS);
+  for (;;) {
+    if (esp_timer_get_time() - value_setting_panel->last_updated_at >
+        GUI_PANEL_TIMEOUT_US) {
+      gui_close_value_setting_panel();
+      vTaskDelete(NULL);
+    }
+    vTaskDelay(1000 / portTICK_PERIOD_MS);
+  }
 }
 
 static void gui_create_value_setting_panel() {
   if (value_setting_panel != NULL) {
+    value_setting_panel->last_updated_at = esp_timer_get_time();
     return;
   }
+  value_setting_panel =
+      (value_setting_panel_t *)malloc(sizeof(value_setting_panel_t));
 
-  value_setting_panel = lv_obj_create(scr);
-  lv_obj_set_size(value_setting_panel, 128, 40);
-  lv_obj_align(value_setting_panel, LV_ALIGN_BOTTOM_MID, 0, 0);
-  lv_obj_set_style_border_width(value_setting_panel, 1, LV_PART_MAIN);
-  lv_obj_set_style_border_color(value_setting_panel, lv_color_black(),
+  xTaskCreate(gui_check_value_setting_panel_task, "G_CHK_VAL_SET", 1024, NULL,
+              configMAX_PRIORITIES - 1, NULL);
+
+  value_setting_panel->panel = lv_obj_create(scr);
+  lv_obj_set_size(value_setting_panel->panel, 128, 40);
+  lv_obj_align(value_setting_panel->panel, LV_ALIGN_BOTTOM_MID, 0, 0);
+  lv_obj_set_style_border_width(value_setting_panel->panel, 1, LV_PART_MAIN);
+  lv_obj_set_style_border_color(value_setting_panel->panel, lv_color_black(),
                                 LV_PART_MAIN);
-  lv_obj_set_style_radius(value_setting_panel, 5, LV_PART_MAIN);
-  lv_obj_set_style_pad_all(value_setting_panel, 2, LV_PART_MAIN);
+  lv_obj_set_style_radius(value_setting_panel->panel, 5, LV_PART_MAIN);
+  lv_obj_set_style_pad_all(value_setting_panel->panel, 2, LV_PART_MAIN);
 
-  value_setting_label = lv_label_create(value_setting_panel);
-  lv_obj_align(value_setting_label, LV_ALIGN_BOTTOM_LEFT, 0, 0);
+  value_setting_panel->label = lv_label_create(value_setting_panel->panel);
+  lv_obj_align(value_setting_panel->label, LV_ALIGN_BOTTOM_LEFT, 0, 0);
 
-  value_setting_bar = lv_bar_create(value_setting_panel);
-  lv_obj_set_size(value_setting_bar, 120, 12);
-  lv_obj_align(value_setting_bar, LV_ALIGN_TOP_MID, 0, 0);
-  lv_bar_set_range(value_setting_bar, 0, 100);
-  lv_bar_set_value(value_setting_bar, 50, LV_ANIM_ON);
-  lv_obj_set_style_bg_color(value_setting_bar, lv_color_white(), LV_PART_MAIN);
-  lv_obj_set_style_border_color(value_setting_bar, lv_color_black(),
+  value_setting_panel->bar = lv_bar_create(value_setting_panel->panel);
+  lv_obj_set_size(value_setting_panel->bar, 120, 12);
+  lv_obj_align(value_setting_panel->bar, LV_ALIGN_TOP_MID, 0, 0);
+  lv_bar_set_range(value_setting_panel->bar, 0, 100);
+  lv_bar_set_value(value_setting_panel->bar, 50, LV_ANIM_ON);
+  lv_obj_set_style_bg_color(value_setting_panel->bar, lv_color_white(),
+                            LV_PART_MAIN);
+  lv_obj_set_style_border_color(value_setting_panel->bar, lv_color_black(),
                                 LV_PART_MAIN);
-  lv_obj_set_style_border_width(value_setting_bar, 1, LV_PART_MAIN);
-  lv_obj_set_style_radius(value_setting_bar, 5, LV_PART_MAIN);
-  lv_obj_set_style_pad_hor(value_setting_bar, 0, LV_PART_MAIN);
-  lv_obj_set_style_pad_ver(value_setting_bar, 2, LV_PART_MAIN);
-  lv_obj_set_style_bg_color(value_setting_bar, lv_color_black(),
+  lv_obj_set_style_border_width(value_setting_panel->bar, 1, LV_PART_MAIN);
+  lv_obj_set_style_radius(value_setting_panel->bar, 5, LV_PART_MAIN);
+  lv_obj_set_style_pad_hor(value_setting_panel->bar, 0, LV_PART_MAIN);
+  lv_obj_set_style_pad_ver(value_setting_panel->bar, 2, LV_PART_MAIN);
+  lv_obj_set_style_bg_color(value_setting_panel->bar, lv_color_black(),
                             LV_PART_INDICATOR);
-  lv_obj_add_event_cb(value_setting_bar, gui_bar_value_update_cb,
+  lv_obj_add_event_cb(value_setting_panel->bar, gui_bar_value_update_cb,
                       LV_EVENT_DRAW_PART_END, NULL);
 
-  value_setting_value_label = lv_label_create(value_setting_bar);
-  lv_obj_align(value_setting_value_label, LV_ALIGN_CENTER, 0, 0);
-  lv_obj_set_style_text_font(value_setting_value_label, &lv_font_montserrat_10,
-                             LV_PART_MAIN);
+  value_setting_panel->value_label = lv_label_create(value_setting_panel->bar);
+  lv_obj_align(value_setting_panel->value_label, LV_ALIGN_CENTER, 0, 0);
+  lv_obj_set_style_text_font(value_setting_panel->value_label,
+                             &lv_font_montserrat_10, LV_PART_MAIN);
 }
 
 static void gui_change_strip_level(int32_t target_value) {
   gui_create_value_setting_panel();
-  lv_label_set_text(value_setting_label, "Strip Level");
-  lv_bar_set_range(value_setting_bar, 0, 255);
-  lv_bar_set_value(value_setting_bar, target_value, LV_ANIM_ON);
+  lv_label_set_text(value_setting_panel->label, "Strip Level");
+  lv_bar_set_range(value_setting_panel->bar, 0, 255);
+  lv_bar_set_value(value_setting_panel->bar, target_value, LV_ANIM_ON);
 }
 
-void lv_example_bar_6(lv_obj_t *src) {
-  static lv_style_t style_bar;
-  lv_style_init(&style_bar);
+static void gui_change_display_brightness(int8_t display_index,
+                                          int32_t target_value) {
+  gui_create_value_setting_panel();
+  lv_label_set_text_fmt(value_setting_panel->label, "Display#%d Brightness",
+                        display_index);
+  lv_bar_set_range(value_setting_panel->bar, 0, 100);
+  lv_bar_set_value(value_setting_panel->bar, target_value, LV_ANIM_ON);
+}
 
-  lv_style_set_bg_color(&style_bar, lv_color_white());
-  lv_style_set_border_width(&style_bar, 1);
-  lv_style_set_border_color(&style_bar, lv_color_black());
-  lv_style_set_pad_hor(&style_bar, 4);
-  lv_style_set_pad_ver(&style_bar, 2);
-
-  static lv_style_t style_indic;
-  lv_style_init(&style_indic);
-
-  lv_style_set_bg_color(&style_indic, lv_color_black());
-
-  lv_obj_t *bar = lv_bar_create(src);
-  lv_obj_set_size(bar, 100, 10);
-  lv_obj_center(bar);
-  lv_obj_add_style(bar, &style_bar, LV_PART_MAIN);
-  lv_obj_add_style(bar, &style_indic, LV_PART_INDICATOR);
-  lv_bar_set_range(bar, 0, 100);
-  lv_bar_set_value(bar, 0, LV_ANIM_ON);
-
-  lv_anim_t a;
-  lv_anim_init(&a);
-  lv_anim_set_exec_cb(&a, set_value);
-  lv_anim_set_time(&a, 3000);
-  lv_anim_set_playback_time(&a, 3000);
-  lv_anim_set_var(&a, bar);
-  lv_anim_set_values(&a, 0, 50);
-  lv_anim_set_repeat_count(&a, LV_ANIM_REPEAT_INFINITE);
-  lv_anim_start(&a);
+static void gui_change_volume_level(int32_t target_value) {
+  gui_create_value_setting_panel();
+  lv_label_set_text(value_setting_panel->label, "Volume Level");
+  lv_bar_set_range(value_setting_panel->bar, 0, 100);
+  lv_bar_set_value(value_setting_panel->bar, target_value, LV_ANIM_ON);
 }
 
 void gui_status_bar_create(lv_obj_t *scr) {
@@ -334,15 +357,11 @@ void example_lvgl_demo_ui(lv_disp_t *disp) {
   lv_label_set_long_mode(label,
                          LV_LABEL_LONG_SCROLL_CIRCULAR); /* Circular scroll
                                                           */
-  lv_label_set_text(label, "Hello Espressif, Hello LVGL.");
+  lv_label_set_text(label, "Hello Ivan Li!");
   lv_obj_set_width(label, 120);
   lv_obj_align(label, LV_ALIGN_BOTTOM_RIGHT, 0, 0);
 
-  lv_example_bar_6(scr);
-
   gui_status_bar_create(scr);
-
-  gui_create_value_setting_panel();
 }
 
 static void gui_tick(void *pvParameters) {

main/lvgl_demo_ui.c

@@ -1,19 +0,0 @@
-/*
- * SPDX-FileCopyrightText: 2021-2022 Espressif Systems (Shanghai) CO LTD
- *
- * SPDX-License-Identifier: CC0-1.0
- */
-
-#include "lvgl.h"
-
-void example_lvgl_demo_ui(lv_disp_t *disp) {
-  lv_obj_t *scr = lv_disp_get_scr_act(disp);
-
-  lv_obj_t *label = lv_label_create(scr);
-  lv_label_set_long_mode(label,
-                         LV_LABEL_LONG_SCROLL_CIRCULAR); /* Circular scroll
-                                                          */
-  lv_label_set_text(label, "Hello Espressif, Hello LVGL.");
-  lv_obj_set_width(label, 120);
-  lv_obj_align(label, LV_ALIGN_TOP_MID, 0, 0);
-}

main/main.c

@@ -13,7 +13,7 @@
 #include "sdkconfig.h"
 #include "service_discovery.c"
 // #include "temperature.c"
-#include "udp_server.c"
+#include "desktop.c"
 #include "ui_input.c"
 #include "wifi.c"
 

main/udp_server.c

@@ -1,159 +0,0 @@
-#include <lwip/netdb.h>
-#include <string.h>
-#include <sys/param.h>
-
-#include "esp_err.h"
-#include "esp_event.h"
-#include "esp_log.h"
-#include "esp_netif.h"
-#include "esp_system.h"
-#include "esp_wifi.h"
-#include "freertos/FreeRTOS.h"
-#include "freertos/task.h"
-#include "gui.c"
-#include "light.c"
-#include "lwip/err.h"
-#include "lwip/sockets.h"
-#include "lwip/sys.h"
-#include "nvs_flash.h"
-
-#define UDP_PORT 23042
-
-static const char *UDP_SERVER_TAG = "UDP_SERVER";
-
-static bool desktop_connected = false;
-static uint64_t last_desktop_ping_at = 0;
-
-static void udp_server_task(void *pvParameters) {
-  char rx_buffer[1024];
-  char addr_str[128];
-  int addr_family = (int)pvParameters;
-  int ip_protocol = 0;
-  struct sockaddr_in6 dest_addr;
-
-  while (1) {
-    if (addr_family == AF_INET) {
-      struct sockaddr_in *dest_addr_ip4 = (struct sockaddr_in *)&dest_addr;
-      dest_addr_ip4->sin_addr.s_addr = htonl(INADDR_ANY);
-      dest_addr_ip4->sin_family = AF_INET;
-      dest_addr_ip4->sin_port = htons(UDP_PORT);
-      ip_protocol = IPPROTO_IP;
-    }
-
-    int sock = socket(addr_family, SOCK_DGRAM, ip_protocol);
-    if (sock < 0) {
-      ESP_LOGE(UDP_SERVER_TAG, "Unable to create socket: errno %d. sock: %d",
-               errno, sock);
-      break;
-    }
-    ESP_LOGI(UDP_SERVER_TAG, "Socket created");
-
-    // Set timeout
-    struct timeval timeout;
-    timeout.tv_sec = 10;
-    timeout.tv_usec = 0;
-    setsockopt(sock, SOL_SOCKET, SO_RCVTIMEO, &timeout, sizeof timeout);
-
-    int err = bind(sock, (struct sockaddr *)&dest_addr, sizeof(dest_addr));
-    if (err < 0) {
-      ESP_LOGE(UDP_SERVER_TAG, "Socket unable to bind: errno %d. sock: %d",
-               errno, sock);
-    }
-    ESP_LOGI(UDP_SERVER_TAG, "Socket bound, port %d", UDP_PORT);
-
-    struct sockaddr_storage source_addr;  // Large enough for both IPv4 or IPv6
-    socklen_t socklen = sizeof(source_addr);
-
-    while (1) {
-      // ESP_LOGI(UDP_SERVER_TAG, "Waiting for data");
-      int len = recvfrom(sock, rx_buffer, sizeof(rx_buffer) - 1, 0,
-                         (struct sockaddr *)&source_addr, &socklen);
-      // Error occurred during receiving
-      if (len < 0) {
-        if (errno == EAGAIN) {
-          continue;
-        }
-        ESP_LOGE(UDP_SERVER_TAG, "recvfrom failed: errno %d. len: %d", errno,
-                 len);
-      }
-      // Data received
-      else {
-        // Get the sender's ip address as string
-        if (source_addr.ss_family == PF_INET) {
-          inet_ntoa_r(((struct sockaddr_in *)&source_addr)->sin_addr, addr_str,
-                      sizeof(addr_str) - 1);
-
-          rx_buffer[len] = 0;  // Null-terminate whatever we received and treat
-                               // like a string...
-
-          switch (rx_buffer[0]) {
-            case 1:
-              last_desktop_ping_at = esp_timer_get_time();
-              sendto(sock, rx_buffer, 1, 0, (struct sockaddr *)&source_addr,
-                     sizeof(source_addr));
-              break;
-
-            case 2:
-              set_display_ambient_light_colors(
-                  ((uint16_t)rx_buffer[1] << 8 | (uint16_t)rx_buffer[2]),
-                  (uint8_t *)&(rx_buffer[3]), len - 3);
-              break;
-
-            default:
-
-              ESP_LOGI(UDP_SERVER_TAG, "%s", rx_buffer);
-              break;
-          }
-
-          int err =
-              sendto(sock, rx_buffer, len, 0, (struct sockaddr *)&source_addr,
-                     sizeof(source_addr));
-          if (err < 0) {
-            ESP_LOGI(UDP_SERVER_TAG, "Received %d bytes from %s:", len,
-                     addr_str);
-            ESP_LOGE(UDP_SERVER_TAG,
-                     "Error occurred during sending: errno %d. sock: %d", errno,
-                     sock);
-            shutdown(sock, 0);
-            close(sock);
-            break;
-          }
-        }
-      }
-
-      if (sock != -1 && len < 0) {
-        ESP_LOGE(UDP_SERVER_TAG, "Shutting down socket and restarting...");
-        shutdown(sock, 0);
-        close(sock);
-        break;
-      }
-    }
-  }
-  vTaskDelete(NULL);
-}
-
-static void change_desktop_connection_status(bool connected) {
-  desktop_connected = connected;
-  if (connected) {
-    gui_set_server_connected();
-  } else {
-    gui_set_server_disconnected();
-  }
-}
-
-static void desktop_online_check_task(void *pvParameters) {
-  while (1) {
-    if (esp_timer_get_time() - last_desktop_ping_at > 5000000) {  // 2 seconds
-      change_desktop_connection_status(false);
-    } else {
-      change_desktop_connection_status(true);
-    }
-    vTaskDelay(1000 / portTICK_PERIOD_MS);
-  }
-}
-
-void udp_server_init(void) {
-  xTaskCreate(udp_server_task, "udp_server", 4096, (void *)AF_INET, 5, NULL);
-  xTaskCreate(desktop_online_check_task, "desktop_online_check", 4096, NULL, 10,
-              NULL);
-}

main/ui_input.c

@@ -51,6 +51,10 @@ static encoder_state_t encoder_1_state = {.key = ui_input_raw_key_encoder_1,
 
 uint8_t level_byte;
 int8_t delta = 0;
+int64_t ec0_last_time = 0;
+int64_t ec1_last_time = 0;
+int64_t ec0_interval = 0;
+int64_t ec1_interval = 0;
 
 static void IRAM_ATTR gpio_isr_handler(void *arg) {
   xQueueSendFromISR(ui_input_raw_event, NULL, NULL);
@@ -87,6 +91,8 @@ static void ui_input_update_embedded_display(void *arg) {
           strcpy(changing_str, "NC");
           break;
       }
+
+      ESP_LOGI(UI_INPUT_TAG, "%s", changing_str);
     }
   }
 }
@@ -145,25 +151,49 @@ static void encoder_value_change(encoder_state_t *state) {
     return;
   }
 
-  ESP_LOGI(UI_INPUT_TAG, "key: %d, delta: %d", state->key, delta);
-
   s_ui_input_t event = {.value = delta};
   if (state->key == ui_input_raw_key_encoder_0) {
+    ec0_interval = esp_timer_get_time() - ec0_last_time;
+    if (ec0_interval < 10000) {  // 100ms
+      event.value = event.value * 5;
+    } else if (ec0_interval < 20000) {  // 100ms
+      event.value = event.value * 4;
+    } else if (ec0_interval < 50000) {  // 100ms
+      event.value = event.value * 3;
+    } else if (ec0_interval < 100000) {  // 100ms
+      event.value = event.value * 2;
+    }
+    ec0_last_time = esp_timer_get_time();
+
     if (state->value & 1) {
       event.key = ui_input_key_computer_volume;
     } else {
-      event.key = ui_input_key_display_0_brightness;
+      event.key = ui_input_key_display_1_brightness;
     }
   } else if (state->key == ui_input_raw_key_encoder_1) {
     if (state->value & 1) {
+      ec1_interval = esp_timer_get_time() - ec1_last_time;
+      if (ec1_interval < 20000) {  // 100ms
+        event.value = event.value * 7;
+      } else if (ec1_interval < 30000) {  // 100ms
+        event.value = event.value * 5;
+      } else if (ec1_interval < 40000) {  // 100ms
+        event.value = event.value * 3;
+      } else if (ec1_interval < 50000) {
+        event.value = event.value * 2;
+      }
+      ec1_last_time = esp_timer_get_time();
+
       event.key = ui_input_key_display_ambient_lighting_level;
-      led_strip_set_brightness(display_ambient_lighting_level + delta);
+      led_strip_set_brightness(display_ambient_lighting_level + event.value);
       gui_change_strip_level(display_ambient_lighting_level);
     } else {
-      event.key = ui_input_key_display_1_brightness;
+      event.key = ui_input_key_display_0_brightness;
     }
   }
   xQueueSend(ui_input_event, &event, NULL);
+  ESP_LOGD(UI_INPUT_TAG, "key: %d, delta: %d. delay: %lld, %lld", state->key,
+           event.value, ec0_interval, ec1_interval);
 }
 
 static void ui_input_raw_handler(void *arg) {
@@ -192,13 +222,13 @@ void ui_input_init(void) {
   gpio_config(&io_conf);
 
   // start encoder task
-  ui_input_event = xQueueCreate(10, sizeof(s_ui_input_t));
+  ui_input_event = xQueueCreate(5, sizeof(s_ui_input_t));
   ui_input_raw_event = xQueueCreate(10, 0);
 
   // hook isr handler for specific gpio pin
   gpio_isr_handler_add(ENCODER_INT_GPIO, gpio_isr_handler, NULL);
 
-  xTaskCreate(ui_input_update_embedded_display, "ui_input_event", 2048, NULL,
-              10, NULL);
+  // xTaskCreate(ui_input_update_embedded_display, "ui_input_event", 2048, NULL,
+  //             10, NULL);
   xTaskCreate(ui_input_raw_handler, "ui_input_event", 2048, NULL, 10, NULL);
 }