feat: 支持通过 UDP 接收网速数据并显示在界面上。

Reviewed-on: #7

.gitignore

@@ -2,3 +2,5 @@ build/
 sdkconfig
 sdkconfig.old
 .vscode/
+managed_components/
+.DS_Store

CMakeLists.txt

@@ -4,7 +4,5 @@
 # CMakeLists in this exact order for cmake to work correctly
 cmake_minimum_required(VERSION 3.5)
 
-set(EXTRA_COMPONENT_DIRS $ENV{IDF_PATH}/examples/common_components/led_strip)
-
 include($ENV{IDF_PATH}/tools/cmake/project.cmake)
 project(display-ambient-light-board)

dependencies.lock

@@ -0,0 +1,21 @@
+dependencies:
+  espressif/mdns:
+    component_hash: 3f3bf8ff67ec99dde4e935637af087ebc899b9fee396ffa1c9138d3775f1aca4
+    source:
+      service_url: https://api.components.espressif.com/
+      type: service
+    version: 1.0.9
+  idf:
+    component_hash: null
+    source:
+      type: idf
+    version: 5.0.1
+  lvgl/lvgl:
+    component_hash: 0f2006e7b800eee17b73ed4f92ffbaa76d61c02ba4779ec9efbcd5f453bb0102
+    source:
+      service_url: https://api.components.espressif.com/
+      type: service
+    version: 8.3.6~1
+manifest_hash: 9a88337b9db92c26041847f5fd4efc58df1dcf0e9c6b8758da96aaac2e63c2a2
+target: esp32c3
+version: 1.0.0

docs/udp.md

@@ -0,0 +1,36 @@
+# 基于 UDP 的上、下位机通讯规则
+
+## 报文格式
+
+开始的一个字节是命令，剩余字节是数据。缓冲区长度设为 1024 字节，所以单个 UDP 报文的数据最多为 1023 字节。
+
+## 命令
+
+### 上位机在线 `1`
+
+### 更新灯带颜色 `2`
+
+| 数据 | 长度（字节） | 说明 |
+| --- | --- | --- |
+| 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 |
+
+### 更新灯带基本颜色校准 `5`
+
+| 数据 | 长度（字节） | 说明 |
+| --- | --- | --- |
+| 颜色 | 3 | R、G、B 亮度上限 |

main/CMakeLists.txt

@@ -1,2 +1,24 @@
-idf_component_register(SRCS "hw-ms03.c" "apds_9960.c" "pca9555.c" "i2c.c" "asr_pro.c" "ci_03t.c" "ui_input.c" "ambient_light.c" "temperature.c" "embedded_display.c" "mqtt.c" "main.c" "wifi.c" "light.c" "mqtt.c"
+idf_component_register(
-                    INCLUDE_DIRS ".")
+  SRCS
+    "service_discovery.c"
+    "app_nvs.c"
+    "ch1116.c"
+    # "apds_9960.c"
+    "pca9555.c"
+    "i2c.c"
+    "asr_pro.c"
+    "ci_03t.c"
+    "ui_input.c"
+    # "ambient_light.c"
+    # "temperature.c"
+    #
+    "desktop.c"
+    "main.c"
+    "wifi.c"
+    "light.c"
+    "led_strip_encoder/led_strip_encoder.c"
+    "gui.c"
+    "net_gateway_monitor.c"
+    "app_icon_8.c"
+  INCLUDE_DIRS "."
+)

main/ambient_light.c

@@ -120,9 +120,9 @@ void ambient_light_fetch(void* arg) {
   uint16_t als_ch0_raw;
   uint16_t als_ch1_raw;
   uint16_t proximity_raw;
-  char als_ch0_str[10];
+  char als_ch0_str[20];
-  char als_ch1_str[10];
+  char als_ch1_str[20];
-  char proximity_str[10];
+  char proximity_str[20];
   uint8_t als_ch0_buffer[] = {0, 0};
   uint8_t als_ch1_buffer[] = {0, 0};
   uint8_t proximity_buffer[] = {0, 0};

main/apds_9960.c

@@ -1,11 +1,12 @@
 #include <stdio.h>
 #include <stdlib.h>
 
+#include "ch1116.c"
 #include "common.h"
 #include "driver/gpio.h"
 #include "driver/i2c.h"
-#include "embedded_display.c"
 #include "esp_log.h"
+#include "esp_timer.h"
 #include "freertos/FreeRTOS.h"
 #include "i2c.c"
 
@@ -128,7 +129,7 @@
 
 #define APDS_9960_TAG "APDS-9960"
 
-static xQueueHandle apds_9960_int_evt_queue = NULL;
+static QueueHandle_t apds_9960_int_evt_queue = NULL;
 
 static int64_t last_apds_9960_int_time = 0;
 

main/app_icon_8.c

@@ -0,0 +1,183 @@
+/*******************************************************************************
+ * Size: 8 px
+ * Bpp: 1
+ * Opts:
+ ******************************************************************************/
+#pragma once
+
+#include "lvgl.h"
+
+#ifndef APP_ICON_8
+#define APP_ICON_8 1
+#endif
+
+#if APP_ICON_8
+
+/*-----------------
+ *    BITMAPS
+ *----------------*/
+
+/*Store the image of the glyphs*/
+static LV_ATTRIBUTE_LARGE_CONST const uint8_t glyph_bitmap[] = {
+    /* U+E1CB "" */
+    0x38, 0x31, 0x88, 0xfa, 0x49, 0x54, 0x44, 0x10, 0xf8,
+
+    /* U+E1CC "" */
+    0x80, 0x1f, 0xa, 0x22, 0x6b, 0xd4, 0x44, 0xd0, 0xc8, 0x1,
+
+    /* U+E29E "" */
+    0xe, 0x4, 0xa8, 0x32, 0x18, 0xe, 0xd, 0x8c, 0x7c,
+
+    /* U+F1EB "" */
+    0x1e, 0x18, 0x68, 0x4, 0x78, 0x21, 0x0, 0x0, 0xc0, 0x0,
+
+    /* U+F6AA "" */
+    0xc0,
+
+    /* U+F6AB "" */
+    0x79, 0x8, 0x1, 0x80,
+
+    /* U+F354 "" */
+    0x38, 0x28, 0x28, 0x28, 0xee, 0x82, 0x44, 0x28, 0x10,
+
+    /* U+F357 "" */
+    0x8, 0x14, 0x22, 0x41, 0x77, 0x14, 0x14, 0x14, 0x1c,
+
+    /* U+F354 "" */
+    0x31, 0x45, 0x37, 0x85, 0x23, 0x0,
+
+    /* U+F357 "" */
+    0x31, 0x28, 0x7b, 0x30, 0xc3, 0x0};
+
+/*---------------------
+ *  GLYPH DESCRIPTION
+ *--------------------*/
+
+static const lv_font_fmt_txt_glyph_dsc_t glyph_dsc[] = {
+    {.bitmap_index = 0,
+     .adv_w = 0,
+     .box_w = 0,
+     .box_h = 0,
+     .ofs_x = 0,
+     .ofs_y = 0} /* id = 0 reserved */,
+    {.bitmap_index = 0,
+     .adv_w = 160,
+     .box_w = 10,
+     .box_h = 7,
+     .ofs_x = 0,
+     .ofs_y = 0},
+    {.bitmap_index = 9,
+     .adv_w = 160,
+     .box_w = 10,
+     .box_h = 8,
+     .ofs_x = 0,
+     .ofs_y = -1},
+    {.bitmap_index = 19,
+     .adv_w = 128,
+     .box_w = 9,
+     .box_h = 8,
+     .ofs_x = 0,
+     .ofs_y = -1},
+    {.bitmap_index = 28,
+     .adv_w = 160,
+     .box_w = 10,
+     .box_h = 8,
+     .ofs_x = 0,
+     .ofs_y = -1},
+    {.bitmap_index = 38,
+     .adv_w = 32,
+     .box_w = 2,
+     .box_h = 2,
+     .ofs_x = 4,
+     .ofs_y = -1},
+    {.bitmap_index = 39,
+     .adv_w = 112,
+     .box_w = 7,
+     .box_h = 4,
+     .ofs_x = 2,
+     .ofs_y = 0},
+    {.bitmap_index = 48,
+     .adv_w = 96,
+     .box_w = 6,
+     .box_h = 7,
+     .ofs_x = 0,
+     .ofs_y = 0},
+    {.bitmap_index = 54,
+     .adv_w = 96,
+     .box_w = 6,
+     .box_h = 7,
+     .ofs_x = 0,
+     .ofs_y = -1}
+
+};
+
+/*---------------------
+ *  CHARACTER MAPPING
+ *--------------------*/
+
+static const uint16_t unicode_list_0[] = {0x0,    0x1,    0xd3,
+                                          0x1020, 0x14df, 0x14e0};
+
+/*Collect the unicode lists and glyph_id offsets*/
+static const lv_font_fmt_txt_cmap_t cmaps[] = {
+    {.range_start = 57803,
+     .range_length = 5345,
+     .glyph_id_start = 1,
+     .unicode_list = unicode_list_0,
+     .glyph_id_ofs_list = NULL,
+     .list_length = 6,
+     .type = LV_FONT_FMT_TXT_CMAP_SPARSE_TINY}};
+
+/*--------------------
+ *  ALL CUSTOM DATA
+ *--------------------*/
+
+#if LV_VERSION_CHECK(8, 0, 0)
+/*Store all the custom data of the font*/
+static lv_font_fmt_txt_glyph_cache_t cache;
+static const lv_font_fmt_txt_dsc_t font_dsc = {
+#else
+static lv_font_fmt_txt_dsc_t font_dsc = {
+#endif
+    .glyph_bitmap = glyph_bitmap,
+    .glyph_dsc = glyph_dsc,
+    .cmaps = cmaps,
+    .kern_dsc = NULL,
+    .kern_scale = 0,
+    .cmap_num = 1,
+    .bpp = 1,
+    .kern_classes = 0,
+    .bitmap_format = 0,
+#if LV_VERSION_CHECK(8, 0, 0)
+    .cache = &cache
+#endif
+};
+
+/*-----------------
+ *  PUBLIC FONT
+ *----------------*/
+
+/*Initialize a public general font descriptor*/
+#if LV_VERSION_CHECK(8, 0, 0)
+const lv_font_t app_icon_8 = {
+#else
+lv_font_t app_icon_8 = {
+#endif
+    .get_glyph_dsc =
+        lv_font_get_glyph_dsc_fmt_txt, /*Function pointer to get glyph's data*/
+    .get_glyph_bitmap =
+        lv_font_get_bitmap_fmt_txt, /*Function pointer to get glyph's bitmap*/
+    .line_height = 8, /*The maximum line height required by the font*/
+    .base_line = 1,   /*Baseline measured from the bottom of the line*/
+#if !(LVGL_VERSION_MAJOR == 6 && LVGL_VERSION_MINOR == 0)
+    .subpx = LV_FONT_SUBPX_NONE,
+#endif
+#if LV_VERSION_CHECK(7, 4, 0) || LVGL_VERSION_MAJOR >= 8
+    .underline_position = -1,
+    .underline_thickness = 0,
+#endif
+    .dsc = &font_dsc /*The custom font data. Will be accessed by
+                        `get_glyph_bitmap/dsc` */
+};
+
+#endif /*#if APP_ICON_8*/

main/app_nvs.c

@@ -0,0 +1,19 @@
+#pragma once
+
+#include <stdio.h>
+
+#include "esp_system.h"
+#include "freertos/FreeRTOS.h"
+#include "freertos/task.h"
+#include "nvs.h"
+#include "nvs_flash.h"
+
+void app_nvs_init() {
+  esp_err_t err = nvs_flash_init();
+  if (err == ESP_ERR_NVS_NO_FREE_PAGES ||
+      err == ESP_ERR_NVS_NEW_VERSION_FOUND) {
+    ESP_ERROR_CHECK(nvs_flash_erase());
+    err = nvs_flash_init();
+  }
+  ESP_ERROR_CHECK(err);
+}

main/ch1116.c

@@ -0,0 +1,269 @@
+#pragma once
+
+#include <string.h>
+
+#include "driver/gpio.h"
+#include "driver/i2c.h"
+#include "esp_err.h"
+#include "esp_log.h"
+#include "freertos/task.h"
+#include "sdkconfig.h"  // generated by "make menuconfig"
+
+#define CH1116_TAG "CH1116"
+
+#define SDA_PIN GPIO_NUM_4
+#define SCL_PIN GPIO_NUM_5
+
+#define CH1116_WIDTH 128
+#define CH1116_HEIGHT 64
+
+#define CH1116_ADDRESS 0x3C  // 011110+SA0 - 0x3C or 0x3D
+
+// CH1116 Control
+
+#define CH1116_CONTROL_BYTE_COMMAND_SINGLE 0x80
+#define CH1116_CONTROL_BYTE_COMMAND_STREAM 0x00
+#define CH1116_CONTROL_BYTE_DATA_SINGLE 0xC0
+#define CH1116_CONTROL_BYTE_DATA_STREAM 0x40
+
+// CH1116 Config Commands
+
+#define CH1116_DISPLAY_OFF 0xAE  // #13
+
+#define CH1116_LOWER_COLUMN_ADDRESS 0x02   // #1 0x02-0x0F
+#define CH1116_HIGHER_COLUMN_ADDRESS 0x10  // #2 0x10-0x1F
+
+#define CH1116_DISPLAY_START_LINE 0x40  // #3
+
+#define CH1116_PAGE_ADDRESS 0xB0  // #18 0xB0-0xB7
+
+#define CH1116_CONTRACT_CONTROL 0x81      // #10
+#define CH1116_CONTRACT_CONTROL_128 0xCF  // #10
+
+#define CH1116_SEGMENT_REMAP 0xA1  // #12   ADC=1 (right)
+
+#define CH1116_NORMAL_DISPLAY 0xA6  // #14
+
+#define CH1116_MULTIPLEX_RATIO 0xA8  // #15
+#define CH1116_MULTIPLEX_RATIO_1_64 0x3F
+
+// VCC Generated by Internal DC/DC Circuit
+#define CH1116_CHARGE_PUMP_ENABLE 0xAD               // #16
+#define CH1116_CHARGE_PUMP_ENABLE_INTERNAL_VCC 0x8B  // #16
+
+#define CH1116_CHARGE_PUMP_VOLTAGE_9V 0x33  // #8
+
+#define CH1116_COM_SCAN_DIRECTION 0xC8  // #19
+
+#define CH1116_DISPLAY_OFFSET 0xD3    // #20
+#define CH1116_DISPLAY_OFFSET_0 0x00  // #20
+
+#define CH1116_SET_OSC_DIVISION 0xD5    // #21
+#define CH1116_SET_OSC_DIVISION_1 0x80  // #21
+
+#define CH1116_SET_PRE_CHARGE_PERIOD 0xD9    // #22
+#define CH1116_SET_PRE_CHARGE_PERIOD_1 0x1F  // #22
+
+#define CH1116_SET_COM_PINS 0xDA    // #23
+#define CH1116_SET_COM_PINS_1 0x12  // #23
+
+#define CH1116_SET_VCOMH 0xDB    // #24
+#define CH1116_SET_VCOMH_1 0x40  // #24
+
+#define CH1116_DISPLAY_ON 0xAF  // #13
+
+void ch1116_init() {
+  esp_err_t err;
+
+  i2c_cmd_handle_t cmd = i2c_cmd_link_create();
+
+  i2c_master_start(cmd);
+  i2c_master_write_byte(cmd, (CH1116_ADDRESS << 1) | I2C_MASTER_WRITE, true);
+
+  i2c_master_write_byte(cmd, CH1116_CONTROL_BYTE_COMMAND_STREAM, true);
+
+  i2c_master_write_byte(cmd, CH1116_DISPLAY_OFF, true);
+
+  i2c_master_write_byte(cmd, CH1116_LOWER_COLUMN_ADDRESS, true);
+  i2c_master_write_byte(cmd, CH1116_HIGHER_COLUMN_ADDRESS, true);
+
+  i2c_master_write_byte(cmd, CH1116_DISPLAY_START_LINE, true);
+
+  i2c_master_write_byte(cmd, CH1116_PAGE_ADDRESS, true);
+
+  i2c_master_write_byte(cmd, CH1116_CONTRACT_CONTROL, true);
+  i2c_master_write_byte(cmd, CH1116_CONTRACT_CONTROL_128, true);
+
+  i2c_master_write_byte(cmd, CH1116_SEGMENT_REMAP, true);
+
+  i2c_master_write_byte(cmd, CH1116_NORMAL_DISPLAY, true);
+
+  i2c_master_write_byte(cmd, CH1116_MULTIPLEX_RATIO, true);
+  i2c_master_write_byte(cmd, CH1116_MULTIPLEX_RATIO_1_64, true);
+
+  i2c_master_write_byte(cmd, CH1116_CHARGE_PUMP_ENABLE, true);
+  i2c_master_write_byte(cmd, CH1116_CHARGE_PUMP_ENABLE_INTERNAL_VCC, true);
+
+  i2c_master_write_byte(cmd, CH1116_CHARGE_PUMP_VOLTAGE_9V, true);
+
+  i2c_master_write_byte(cmd, CH1116_COM_SCAN_DIRECTION, true);
+
+  i2c_master_write_byte(cmd, CH1116_DISPLAY_OFFSET, true);
+  i2c_master_write_byte(cmd, CH1116_DISPLAY_OFFSET_0, true);
+
+  i2c_master_write_byte(cmd, CH1116_SET_OSC_DIVISION, true);
+  i2c_master_write_byte(cmd, CH1116_SET_OSC_DIVISION_1, true);
+
+  i2c_master_write_byte(cmd, CH1116_SET_PRE_CHARGE_PERIOD, true);
+  i2c_master_write_byte(cmd, CH1116_SET_PRE_CHARGE_PERIOD_1, true);
+
+  i2c_master_write_byte(cmd, CH1116_SET_COM_PINS, true);
+  i2c_master_write_byte(cmd, CH1116_SET_COM_PINS_1, true);
+
+  i2c_master_write_byte(cmd, CH1116_SET_VCOMH, true);
+  i2c_master_write_byte(cmd, CH1116_SET_VCOMH_1, true);
+
+  i2c_master_write_byte(cmd, CH1116_DISPLAY_ON, true);
+
+  i2c_master_stop(cmd);
+
+  err = i2c_master_cmd_begin(I2C_NUM_0, cmd, 10 / portTICK_PERIOD_MS);
+  if (err == ESP_OK) {
+    ESP_LOGI(CH1116_TAG, "OLED configured successfully");
+  } else {
+    ESP_LOGE(CH1116_TAG, "OLED configuration failed. code: %s",
+             esp_err_to_name(err));
+  }
+  i2c_cmd_link_delete(cmd);
+}
+
+void task_ch1116_display_pattern(void *ignore) {
+  i2c_cmd_handle_t cmd;
+
+  for (uint8_t i = 0; i < 8; i++) {
+    cmd = i2c_cmd_link_create();
+    i2c_master_start(cmd);
+    i2c_master_write_byte(cmd, (CH1116_ADDRESS << 1) | I2C_MASTER_WRITE, true);
+    i2c_master_write_byte(cmd, CH1116_CONTROL_BYTE_COMMAND_SINGLE, true);
+    i2c_master_write_byte(cmd, 0xB0 | i, true);
+    i2c_master_write_byte(cmd, CH1116_CONTROL_BYTE_DATA_STREAM, true);
+    for (uint8_t j = 0; j < 132; j++) {
+      i2c_master_write_byte(cmd, 0xFF >> (j % 8), true);
+    }
+    i2c_master_stop(cmd);
+    i2c_master_cmd_begin(I2C_NUM_0, cmd, 10 / portTICK_PERIOD_MS);
+    i2c_cmd_link_delete(cmd);
+  }
+}
+
+void task_ch1116_display_clear(void *ignore) {
+  i2c_cmd_handle_t cmd;
+
+  uint8_t zero[132];
+  memset(zero, 0, 132);
+  for (uint8_t i = 0; i < 8; i++) {
+    cmd = i2c_cmd_link_create();
+    i2c_master_start(cmd);
+    i2c_master_write_byte(cmd, (CH1116_ADDRESS << 1) | I2C_MASTER_WRITE, true);
+    i2c_master_write_byte(cmd, CH1116_CONTROL_BYTE_COMMAND_SINGLE, true);
+    i2c_master_write_byte(cmd, 0xB0 | i, true);
+
+    i2c_master_write_byte(cmd, CH1116_CONTROL_BYTE_DATA_STREAM, true);
+    i2c_master_write(cmd, zero, 132, true);
+    i2c_master_stop(cmd);
+    i2c_master_cmd_begin(I2C_NUM_0, cmd, 10 / portTICK_PERIOD_MS);
+    i2c_cmd_link_delete(cmd);
+  }
+
+  cmd = i2c_cmd_link_create();
+  i2c_master_start(cmd);
+  i2c_master_write_byte(cmd, CH1116_CONTROL_BYTE_COMMAND_STREAM, true);
+  i2c_master_write_byte(cmd, 0x00, true);  // reset column
+  i2c_master_write_byte(cmd, 0x10, true);
+  i2c_master_write_byte(cmd, 0xB0, true);  // reset page
+  i2c_master_stop(cmd);
+  i2c_master_cmd_begin(I2C_NUM_0, cmd, 10 / portTICK_PERIOD_MS);
+  i2c_cmd_link_delete(cmd);
+}
+
+static esp_err_t ch1116_draw_bitmap(int x_start, int y_start, int x_end,
+                                    int y_end, const void *color_data) {
+  assert((x_start < x_end) && (y_start < y_end) &&
+         "start position must be smaller than end position");
+
+  // one page contains 8 rows (COMs)
+  uint8_t page_start = y_start / 8;
+  uint8_t page_end = y_end / 8;
+  // define an area of frame memory where MCU can access
+
+  esp_err_t err;
+
+  i2c_cmd_handle_t cmd;
+
+  uint8_t *color_data_ptr = (uint8_t *)color_data;
+  uint16_t page_data_size = (x_end - x_start + 1);
+
+  // ESP_LOGI(CH1116_TAG, "y_start: %d, y_end: %d, page_start: %d, page_end:
+  // %d",
+  //          y_start, y_end, page_start, page_end);
+  // ESP_LOGI(CH1116_TAG, "x_start: %d, x_end: %d, page_data_size: %d", x_start,
+  //          x_end, page_data_size);
+
+  for (int page = page_start; page <= page_end; page++) {
+    cmd = i2c_cmd_link_create();
+
+    i2c_master_start(cmd);
+    i2c_master_write_byte(cmd, (CH1116_ADDRESS << 1) | I2C_MASTER_WRITE, true);
+
+    // set cursor position
+    i2c_master_write_byte(cmd, CH1116_CONTROL_BYTE_COMMAND_STREAM, true);
+    i2c_master_write_byte(cmd, CH1116_LOWER_COLUMN_ADDRESS | (x_start & 0x0f),
+                          true);
+    i2c_master_write_byte(cmd, CH1116_HIGHER_COLUMN_ADDRESS | (x_start >> 4),
+                          true);
+    i2c_master_write_byte(cmd, CH1116_PAGE_ADDRESS | (page & 0x0f), true);
+
+    i2c_master_stop(cmd);
+
+    err = i2c_master_cmd_begin(I2C_NUM_0, cmd, 10 / portTICK_PERIOD_MS);
+    if (err != ESP_OK) {
+      i2c_cmd_link_delete(cmd);
+      return err;
+    }
+    i2c_cmd_link_delete(cmd);
+
+    // write page data
+    cmd = i2c_cmd_link_create();
+
+    i2c_master_start(cmd);
+    i2c_master_write_byte(cmd, (CH1116_ADDRESS << 1) | I2C_MASTER_WRITE, true);
+
+    i2c_master_write_byte(cmd, CH1116_CONTROL_BYTE_DATA_STREAM, true);
+    i2c_master_write(cmd, color_data_ptr, page_data_size, true);
+
+    i2c_master_stop(cmd);
+
+    err = i2c_master_cmd_begin(I2C_NUM_0, cmd, 10 / portTICK_PERIOD_MS);
+
+    // ESP_LOG_BUFFER_HEXDUMP(CH1116_TAG, color_data_ptr, page_data_size,
+    //                        ESP_LOG_INFO);
+
+    color_data_ptr += page_data_size;
+
+    if (err != ESP_OK) {
+      i2c_cmd_link_delete(cmd);
+      return err;
+    }
+    i2c_cmd_link_delete(cmd);
+  }
+
+  return ESP_OK;
+}
+
+void ch1116_main(void) {
+  ch1116_init();
+
+  task_ch1116_display_pattern(NULL);
+  // vTaskDelay(1000 / portTICK_PERIOD_MS);
+  // task_ch1116_display_clear(NULL);
+}

main/desktop.c

@@ -0,0 +1,304 @@
+#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;
+
+          case 3:  // computer brightness changed
+            if (rx_buffer[1] == 0) {
+              display1_brightness.value = rx_buffer[2];
+            } else if (rx_buffer[1] == 1) {
+              display2_brightness.value = rx_buffer[2];
+            }
+            break;
+
+          case 4:  // computer volume changed
+            computer_volume.value = rx_buffer[1];
+            break;
+
+          case 5:  // color correction changed
+            ESP_LOGD(UDP_SERVER_TAG, "Color correction changed");
+            led_strip_set_color_calibration((float)rx_buffer[1] / 255,
+                                            (float)rx_buffer[2] / 255,
+                                            (float)rx_buffer[3] / 255);
+            break;
+
+          default:
+            ESP_LOG_BUFFER_HEXDUMP(UDP_SERVER_TAG, rx_buffer, len,
+                                   ESP_LOG_INFO);
+            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/embedded_display.c

@@ -1,145 +0,0 @@
-#pragma once
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include "codetab.h"
-#include "config_key.h"
-#include "driver/i2c.h"
-#include "esp_log.h"
-#include "i2c.c"
-
-#define Brightness 0xCF
-#define X_WIDTH 128
-#define Y_WIDTH 64
-
-void i2cWriteByte(uint8_t reg, uint8_t data) {
-  i2c_cmd_handle_t cmd = i2c_cmd_link_create();
-  i2c_master_start(cmd);
-  i2c_master_write_byte(cmd, SSD1306_ADDRESS << 1 | I2C_MASTER_WRITE, true);
-  i2c_master_write_byte(cmd, reg, true);
-  i2c_master_write_byte(cmd, data, true);
-  i2c_master_stop(cmd);
-  i2c_master_cmd_begin(I2C_MASTER_NUM, cmd, 1000 / portTICK_PERIOD_MS);
-  i2c_cmd_link_delete(cmd);
-}
-
-void i2cWriteCommand(uint8_t data) { i2cWriteByte(0x00, data); }
-
-void i2cWriteData(uint8_t data) { i2cWriteByte(0x40, data); }
-
-void display_fill(uint8_t bmpData) {
-  for (int y = 0; y < 8; y++) {
-    i2cWriteCommand(0xB0 + y);
-    i2cWriteCommand(0x01);
-    i2cWriteCommand(0x10);
-    for (int x = 0; x < X_WIDTH; x++) {
-      i2cWriteData(bmpData);
-    }
-  }
-}
-void display_fill_rect(uint8_t x0, uint8_t y0, uint8_t x1, uint8_t y1,
-                       uint8_t bmpData) {
-  for (int y = y0; y < y1; y++) {
-    i2cWriteCommand(0xB0 + y);
-    i2cWriteCommand(0x01);
-    i2cWriteCommand(0x10);
-    for (int x = x0; x < x1; x++) {
-      i2cWriteData(bmpData);
-    }
-  }
-}
-
-void display_set_pos(uint8_t x, uint8_t y) {
-  i2cWriteCommand(0xB0 + y);
-  i2cWriteCommand(((x & 0xF0) >> 4) | 0x10);
-  i2cWriteCommand((x & 0x0F) | 0x01);
-}
-
-void display_print8_str(uint8_t x, uint8_t y, char str[]) {
-  if (!is_embedded_display_online) {
-    return;
-  }
-  uint8_t c;
-  for (uint8_t ch, ci = 0; ch = str[ci], ch != '\0'; ci++, x += 8) {
-    c = ch - 0x20;
-    display_set_pos(x, y);
-    for (uint8_t cx = 0; cx < 8; cx++) {
-      i2cWriteData(F8X16[c * 16 + cx]);
-    }
-    display_set_pos(x, y + 1);
-    for (uint8_t cx = 0; cx < 8; cx++) {
-      i2cWriteData(F8X16[c * 16 + cx + 8]);
-    };
-  }
-}
-
-void init_display() {
-  if (is_embedded_display_online == 0) {
-    ESP_LOGE("display", "display is offline");
-    return;
-  }
-
-  i2cWriteCommand(0xAE);  // display off
-  i2cWriteCommand(0x00);  // set lower column address
-  i2cWriteCommand(0x10);  // set higher column address
-  i2cWriteCommand(0x40);  // set start line address
-  i2cWriteCommand(0x81);  // set contrast control register
-  i2cWriteCommand(0xCF);  // set contrast
-  i2cWriteCommand(0xA1);  // set segment re-map
-  i2cWriteCommand(0xC8);  // set COM output scan direction
-  i2cWriteCommand(0xA6);  // set normal display
-  i2cWriteCommand(0xA8);  // set multiplex ratio(1 to 64)
-  i2cWriteCommand(0x3F);  // 1/64 duty
-  i2cWriteCommand(0xD3);  // set display offset
-  i2cWriteCommand(0x00);  // not offset
-  i2cWriteCommand(0xD5);  // set display clock divide ratio/oscillator frequency
-  i2cWriteCommand(0x80);  // set divide ratio
-  i2cWriteCommand(0xD9);  // set pre-charge period
-  i2cWriteCommand(0xF1);  // set pre-charge voltage
-  i2cWriteCommand(0xDA);  // set com pins hardware configuration
-  i2cWriteCommand(0x12);
-  i2cWriteCommand(0xDB);  // set vcomh
-  i2cWriteCommand(0x40);  // 0.77*vcc
-  i2cWriteCommand(0x20);  // set memory addressing mode
-  i2cWriteCommand(0x02);  // set page addressing mode
-  i2cWriteCommand(0x8D);  // set charge pump enable/disable
-  i2cWriteCommand(0x14);  // set(0x10) disable
-  i2cWriteCommand(0xAF);  // display on
-
-  display_fill(0x00);
-  display_set_pos(0, 0);
-}
-
-void gui_update_config_uint8(uint8_t key, uint8_t value) {
-  char changing_str[12] = "NC";
-  switch (key) {
-    case ui_input_key_display_0_brightness:
-      sprintf(changing_str, "Dis0: % 3d", value);
-      break;
-    case ui_input_key_display_1_brightness:
-      sprintf(changing_str, "Dis1: % 3d", value);
-      break;
-    case ui_input_key_computer_volume:
-      sprintf(changing_str, "CVol: % 3d", value);
-      break;
-    case ui_input_key_display_ambient_lighting_level:
-      sprintf(changing_str, "ALLv: % 3d", value);
-      break;
-    case ui_input_key_display_ambient_lighting_mode:
-      sprintf(changing_str, "ALMd: % 3d", value);
-      break;
-    case ui_input_key_display_0_mode:
-      sprintf(changing_str, "Dis0M: % 2d", value);
-      break;
-    case ui_input_key_display_1_mode:
-      sprintf(changing_str, "Dis1M: % 2d", value);
-      break;
-
-    default:
-      strcpy(changing_str, "NC");
-      break;
-  }
-  display_fill_rect(0, 6, 128, 8, 0);
-  display_print8_str(8, 6, changing_str);
-}

main/gui.c

@@ -0,0 +1,578 @@
+#pragma once
+
+#include <stdio.h>
+
+#include "app_icon_8.c"
+#include "ch1116.c"
+#include "driver/i2c.h"
+#include "esp_err.h"
+#include "esp_log.h"
+#include "esp_timer.h"
+#include "fonts/app_10.c"
+#include "freertos/FreeRTOS.h"
+#include "freertos/task.h"
+#include "lvgl.h"
+
+static const char *GUI_TAG = "LVGL_GUI";
+
+#define I2C_HOST 0
+
+#define EXAMPLE_LCD_PIXEL_CLOCK_HZ (400 * 1000)
+
+#define EXAMPLE_LCD_H_RES CH1116_WIDTH
+#define EXAMPLE_LCD_V_RES CH1116_HEIGHT
+
+#define EXAMPLE_LVGL_TICK_PERIOD_MS 2
+
+// EF 9A AA
+#define APP_WIFI_WEAK_SYMBOL "\xEF\x9A\xAA"
+// EF 9A AB
+#define APP_WIFI_FAIR_SYMBOL "\xEF\x9A\xAB"
+//	EF 87 AB
+#define APP_WIFI_GOOD_SYMBOL "\xEF\x87\xAB"
+
+// EE 87 8B
+#define APP_CONNECTED_SYMBOL "\xEE\x87\x8B"
+// EE 87 8C
+#define APP_DISCONNECTED_SYMBOL "\xEE\x87\x8C"
+
+// EE 8A 9E
+#define APP_TIMER_SYMBOL "\xEE\x8A\x9E"
+// EF 8D 97
+#define APP_UP_SYMBOL "\xEF\x8D\x97"
+// EF 8D 94
+#define APP_DOWN_SYMBOL "\xEF\x8D\x94"
+
+#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,
+                                  lv_color_t *color_map) {
+  int offsetx1 = area->x1;
+  int offsetx2 = area->x2;
+  int offsety1 = area->y1;
+  int offsety2 = area->y2;
+  // copy a buffer's content to a specific area of the display
+  ch1116_draw_bitmap(offsetx1, offsety1, offsetx2, offsety2, color_map);
+  lv_disp_flush_ready(drv);
+}
+
+static void example_lvgl_set_px_cb(lv_disp_drv_t *disp_drv, uint8_t *buf,
+                                   lv_coord_t buf_w, lv_coord_t x, lv_coord_t y,
+                                   lv_color_t color, lv_opa_t opa) {
+  uint16_t byte_index = x + ((y >> 3) * buf_w);
+  uint8_t bit_index = y & 0x7;
+
+  if ((color.full == 0) && (LV_OPA_TRANSP != opa)) {
+    buf[byte_index] |= (1 << bit_index);
+  } else {
+    buf[byte_index] &= ~(1 << bit_index);
+  }
+}
+
+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;
+
+static lv_obj_t *timer_label;
+static lv_anim_t timer_animate;
+
+static lv_obj_t *desktop_label;
+static lv_anim_t desktop_animate;
+
+value_setting_panel_t *value_setting_panel = NULL;
+static bool panel_locked = false;
+
+static lv_obj_t *scr;
+
+typedef struct gui_network_speed_panel_s {
+  lv_obj_t *panel;
+  lv_obj_t *direct_upload_label;
+  lv_obj_t *direct_download_label;
+  lv_obj_t *proxy_upload_label;
+  lv_obj_t *proxy_download_label;
+} gui_network_speed_panel_t;
+
+static gui_network_speed_panel_t *gui_network_speed_panel = NULL;
+
+static void example_lvgl_rounder(lv_disp_drv_t *disp_drv, lv_area_t *area) {
+  area->y1 = area->y1 & (~0x7);
+  area->y2 = area->y2 | 0x7;
+}
+
+static void example_increase_lvgl_tick(void *arg) {
+  /* Tell LVGL how many milliseconds has elapsed */
+  lv_tick_inc(EXAMPLE_LVGL_TICK_PERIOD_MS);
+}
+
+static void set_value(void *bar, int32_t v) {
+  lv_bar_set_value(bar, v, LV_ANIM_OFF);
+}
+
+static void set_visible(void *obj, int32_t v) {
+  if (v) {
+    lv_obj_clear_flag(obj, LV_OBJ_FLAG_HIDDEN);
+  } else {
+    lv_obj_add_flag(obj, LV_OBJ_FLAG_HIDDEN);
+  }
+}
+
+static void set_obj_blink_animate(lv_obj_t *obj, lv_anim_t *a) {
+  lv_anim_init(a);
+  lv_anim_set_exec_cb(a, set_visible);
+  lv_anim_set_time(a, 100);
+  lv_anim_set_playback_time(a, 100);
+  lv_anim_set_playback_delay(a, 200);
+  lv_anim_set_repeat_delay(a, 200);
+  lv_anim_set_values(a, 0, 1);
+  lv_anim_set_var(a, obj);
+  lv_anim_set_repeat_count(a, LV_ANIM_REPEAT_INFINITE);
+  lv_anim_start(a);
+}
+
+static void change_wifi_icon(void *obj, int32_t v) {
+  switch (v) {
+    case 0:
+      lv_label_set_text(obj, APP_WIFI_WEAK_SYMBOL);
+      break;
+    case 1:
+      lv_label_set_text(obj, APP_WIFI_FAIR_SYMBOL);
+      break;
+    case 2:
+      lv_label_set_text(obj, APP_WIFI_GOOD_SYMBOL);
+      break;
+    default:
+      ESP_LOGW(GUI_TAG, "Unknown wifi strength: %ld", v);
+      break;
+  }
+}
+
+static void gui_set_wifi_connecting() {
+  lv_obj_clear_flag(wifi_label, LV_OBJ_FLAG_HIDDEN);
+
+  lv_anim_init(&wifi_animate);
+  lv_anim_set_exec_cb(&wifi_animate, change_wifi_icon);
+  lv_anim_set_time(&wifi_animate, 300);
+  lv_anim_set_repeat_delay(&wifi_animate, 300);
+  lv_anim_set_values(&wifi_animate, 0, 2);
+  lv_anim_set_var(&wifi_animate, wifi_label);
+  lv_anim_set_repeat_count(&wifi_animate, LV_ANIM_REPEAT_INFINITE);
+  lv_anim_start(&wifi_animate);
+}
+
+static void gui_set_wifi_connected() {
+  lv_anim_del(wifi_label, NULL);
+  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);
+}
+
+static void gui_set_wifi_disconnected() {
+  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_WEAK_SYMBOL);
+}
+
+static void gui_set_server_connecting() {
+  set_obj_blink_animate(desktop_label, &desktop_animate);
+}
+
+static void gui_set_server_connected() {
+  lv_anim_del(desktop_label, NULL);
+  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);
+}
+
+static void gui_set_server_disconnected() {
+  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_DISCONNECTED_SYMBOL);
+}
+
+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;
+
+  lv_obj_t *obj = lv_event_get_target(e);
+
+  lv_draw_label_dsc_t label_dsc;
+  lv_draw_label_dsc_init(&label_dsc);
+  label_dsc.font = &lv_font_montserrat_10;
+
+  char buf[8];
+  lv_snprintf(buf, sizeof(buf), "%ld", lv_bar_get_value(obj));
+
+  lv_point_t txt_size;
+  lv_txt_get_size(&txt_size, buf, label_dsc.font, label_dsc.letter_space,
+                  label_dsc.line_space, LV_COORD_MAX, label_dsc.flag);
+
+  lv_coord_t txt_x;
+  /*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_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_label, lv_color_black(), LV_PART_MAIN);
+  }
+
+  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(GUI_PANEL_TIMEOUT_US / 1000 / portTICK_PERIOD_MS);
+  for (;;) {
+    if (!panel_locked &&
+        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));
+
+  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->panel, 5, LV_PART_MAIN);
+  lv_obj_set_style_pad_all(value_setting_panel->panel, 2, LV_PART_MAIN);
+
+  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_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_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_panel->bar, gui_bar_value_update_cb,
+                      LV_EVENT_DRAW_PART_END, NULL);
+
+  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) {
+  panel_locked = true;
+  gui_create_value_setting_panel();
+  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);
+  panel_locked = false;
+}
+
+static void gui_change_display_brightness(int8_t display_index,
+                                          int32_t target_value) {
+  panel_locked = true;
+  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);
+  panel_locked = false;
+}
+
+static void gui_change_volume_level(int32_t target_value) {
+  panel_locked = true;
+  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);
+  panel_locked = false;
+}
+
+static void gui_network_speed_human_readable(uint64_t *speed, char *str) {
+  if (*speed > 1024 * 1024 * 1024) {
+    float v = (float)*speed / 1024.0f / 1024.0f / 1024.0f;
+    if (v >= 1000) {
+      sprintf(str, "% 5.0f GB/s", v);
+    } else if (v >= 100) {
+      sprintf(str, "% 5.1f GB/s", v);
+    } else {
+      sprintf(str, "% 5.2f GB/s", v);
+    }
+  } else if (*speed > 1024 * 1024) {
+    float v = (float)*speed / 1024.0f / 1024.0f;
+    if (v >= 1000) {
+      sprintf(str, "% 5.0f MB/s", v);
+    } else if (v >= 100) {
+      sprintf(str, "% 5.1f MB/s", v);
+    } else {
+      sprintf(str, "% 5.2f MB/s", v);
+    }
+  } else if (*speed > 1024) {
+    float v = (float)*speed / 1024.0f;
+    if (v >= 1000) {
+      sprintf(str, "% 5.0f KB/s", v);
+    } else if (v >= 100) {
+      sprintf(str, "% 5.1f KB/s", v);
+    } else {
+      sprintf(str, "% 5.2f KB/s", v);
+    }
+  } else {
+    sprintf(str, "% 5d B/s", (uint8_t)*speed);
+  }
+}
+
+static void gui_update_network_label_style(lv_obj_t *label, uint64_t *speed) {
+  if (*speed > 1024 * 1024 * 50 / 8) {  // 50 Mbps
+    lv_obj_set_style_bg_color(label, lv_color_black(), LV_PART_MAIN);
+    lv_obj_set_style_text_color(label, lv_color_white(), LV_PART_MAIN);
+  } else {
+    lv_obj_set_style_bg_color(label, lv_color_white(), LV_PART_MAIN);
+    lv_obj_set_style_text_color(label, lv_color_black(), LV_PART_MAIN);
+  }
+}
+
+static void gui_change_network_speed(uint64_t *direct_upload_speed,
+                                     uint64_t *direct_download_speed,
+                                     uint64_t *proxy_upload_speed,
+                                     uint64_t *proxy_download_speed) {
+  if (gui_network_speed_panel == NULL) {
+    return;
+  }
+  static char str[32];
+
+  strcpy(str, APP_UP_SYMBOL);
+  gui_network_speed_human_readable(direct_upload_speed, &str[3]);
+  lv_label_set_text(gui_network_speed_panel->direct_upload_label, str);
+  gui_network_speed_human_readable(proxy_upload_speed, &str[3]);
+  lv_label_set_text(gui_network_speed_panel->proxy_upload_label, str);
+
+  strcpy(str, APP_DOWN_SYMBOL);
+  gui_network_speed_human_readable(direct_download_speed, &str[3]);
+  lv_label_set_text(gui_network_speed_panel->direct_download_label, str);
+  gui_network_speed_human_readable(proxy_download_speed, &str[3]);
+  lv_label_set_text(gui_network_speed_panel->proxy_download_label, str);
+
+  gui_update_network_label_style(gui_network_speed_panel->direct_upload_label,
+                                 direct_upload_speed);
+  gui_update_network_label_style(gui_network_speed_panel->direct_download_label,
+                                 direct_download_speed);
+  gui_update_network_label_style(gui_network_speed_panel->proxy_upload_label,
+                                 proxy_upload_speed);
+  gui_update_network_label_style(gui_network_speed_panel->proxy_download_label,
+                                 proxy_download_speed);
+}
+
+static void gui_init_network_speed(lv_obj_t *scr) {
+  gui_network_speed_panel =
+      (gui_network_speed_panel_t *)malloc(sizeof(gui_network_speed_panel_t));
+
+  gui_network_speed_panel->panel = lv_obj_create(scr);
+  lv_obj_set_size(gui_network_speed_panel->panel, 128, 40);
+  lv_obj_align(gui_network_speed_panel->panel, LV_ALIGN_BOTTOM_MID, 0, 0);
+  lv_obj_set_style_bg_color(gui_network_speed_panel->panel, lv_color_white(),
+                            LV_PART_MAIN);
+  lv_obj_set_style_border_color(gui_network_speed_panel->panel,
+                                lv_color_black(), LV_PART_MAIN);
+  lv_obj_set_style_border_width(gui_network_speed_panel->panel, 1,
+                                LV_PART_MAIN);
+  lv_obj_set_style_radius(gui_network_speed_panel->panel, 5, LV_PART_MAIN);
+  lv_obj_set_style_pad_hor(gui_network_speed_panel->panel, 1, LV_PART_MAIN);
+  lv_obj_set_style_pad_ver(gui_network_speed_panel->panel, 1, LV_PART_MAIN);
+
+  gui_network_speed_panel->direct_upload_label =
+      lv_label_create(gui_network_speed_panel->panel);
+  lv_obj_align(gui_network_speed_panel->direct_upload_label, LV_ALIGN_TOP_LEFT,
+               0, 0);
+  lv_obj_set_style_text_font(gui_network_speed_panel->direct_upload_label,
+                             &app_10, LV_PART_MAIN);
+  lv_label_set_text(gui_network_speed_panel->direct_upload_label,
+                    APP_UP_SYMBOL " 0.00 KB/s");
+  lv_obj_set_style_bg_opa(gui_network_speed_panel->direct_upload_label,
+                          LV_OPA_COVER, LV_PART_MAIN);
+
+  gui_network_speed_panel->direct_download_label =
+      lv_label_create(gui_network_speed_panel->panel);
+  lv_obj_align(gui_network_speed_panel->direct_download_label,
+               LV_ALIGN_BOTTOM_LEFT, 0, 0);
+  lv_obj_set_style_text_font(gui_network_speed_panel->direct_download_label,
+                             &app_10, LV_PART_MAIN);
+  lv_label_set_text(gui_network_speed_panel->direct_download_label,
+                    APP_DOWN_SYMBOL " 0.00 KB/s");
+  lv_obj_set_style_bg_opa(gui_network_speed_panel->direct_download_label,
+                          LV_OPA_COVER, LV_PART_MAIN);
+
+  gui_network_speed_panel->proxy_upload_label =
+      lv_label_create(gui_network_speed_panel->panel);
+  lv_obj_align(gui_network_speed_panel->proxy_upload_label, LV_ALIGN_TOP_RIGHT,
+               0, 0);
+  lv_obj_set_style_text_font(gui_network_speed_panel->proxy_upload_label,
+                             &app_10, LV_PART_MAIN);
+  lv_label_set_text(gui_network_speed_panel->proxy_upload_label,
+                    APP_UP_SYMBOL " 0.00 KB/s");
+  lv_obj_set_style_bg_opa(gui_network_speed_panel->proxy_upload_label,
+                          LV_OPA_COVER, LV_PART_MAIN);
+
+  gui_network_speed_panel->proxy_download_label =
+      lv_label_create(gui_network_speed_panel->panel);
+  lv_obj_align(gui_network_speed_panel->proxy_download_label,
+               LV_ALIGN_BOTTOM_RIGHT, 0, 0);
+  lv_obj_set_style_text_font(gui_network_speed_panel->proxy_download_label,
+                             &app_10, LV_PART_MAIN);
+  lv_label_set_text(gui_network_speed_panel->proxy_download_label,
+                    APP_DOWN_SYMBOL " 0.00 KB/s");
+  lv_obj_set_style_bg_opa(gui_network_speed_panel->proxy_download_label,
+                          LV_OPA_COVER, LV_PART_MAIN);
+}
+
+void gui_status_bar_create(lv_obj_t *scr) {
+  // wifi icon
+  wifi_label = lv_label_create(scr);
+  lv_label_set_long_mode(wifi_label, LV_LABEL_LONG_SCROLL_CIRCULAR);
+  lv_label_set_text(wifi_label, APP_WIFI_GOOD_SYMBOL);
+  lv_obj_set_width(wifi_label, 10);
+  lv_obj_align(wifi_label, LV_ALIGN_OUT_TOP_LEFT, 0, 0);
+  lv_obj_set_style_text_color(wifi_label, lv_color_black(), LV_PART_MAIN);
+  lv_obj_set_style_text_font(wifi_label, &app_icon_8, LV_PART_MAIN);
+  lv_obj_add_flag(wifi_label, LV_OBJ_FLAG_HIDDEN);
+
+  // timer icon
+  timer_label = lv_label_create(scr);
+  lv_label_set_long_mode(timer_label, LV_LABEL_LONG_SCROLL_CIRCULAR);
+  lv_label_set_text(timer_label, APP_TIMER_SYMBOL);
+  lv_obj_set_width(timer_label, 10);
+  lv_obj_align(timer_label, LV_ALIGN_OUT_TOP_LEFT, 12, 0);
+  lv_obj_set_style_text_color(timer_label, lv_color_black(), LV_PART_MAIN);
+  lv_obj_set_style_text_font(timer_label, &app_icon_8, LV_PART_MAIN);
+  lv_obj_add_flag(timer_label, LV_OBJ_FLAG_HIDDEN);
+
+  // desktop icon
+  desktop_label = lv_label_create(scr);
+  lv_label_set_long_mode(desktop_label, LV_LABEL_LONG_SCROLL_CIRCULAR);
+  lv_label_set_text(desktop_label, APP_CONNECTED_SYMBOL);
+  lv_obj_set_width(desktop_label, 10);
+  lv_obj_align(desktop_label, LV_ALIGN_OUT_TOP_LEFT, 24, 0);
+  lv_obj_set_style_text_color(desktop_label, lv_color_black(), LV_PART_MAIN);
+  lv_obj_set_style_text_font(desktop_label, &app_icon_8, LV_PART_MAIN);
+  lv_obj_add_flag(desktop_label, LV_OBJ_FLAG_HIDDEN);
+}
+
+void example_lvgl_demo_ui(lv_disp_t *disp) {
+  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 Ivan Li!");
+  lv_obj_set_width(label, 120);
+  lv_obj_align(label, LV_ALIGN_BOTTOM_RIGHT, 0, 0);
+
+  gui_status_bar_create(scr);
+  gui_init_network_speed(scr);
+}
+
+static void gui_tick(void *pvParameters) {
+  while (1) {
+    // raise the task priority of LVGL and/or reduce the handler period can
+    // improve the performance
+    vTaskDelay(pdMS_TO_TICKS(10));
+    // The task running lv_timer_handler should have lower priority than that
+    // running `lv_tick_inc`
+    lv_timer_handler();
+  }
+}
+
+void gui_main(void) {
+  static lv_disp_draw_buf_t
+      disp_buf;  // contains internal graphic buffer(s) called draw buffer(s)
+  static lv_disp_drv_t disp_drv;  // contains callback functions
+
+  ESP_LOGI(GUI_TAG, "Initialize LVGL library");
+  lv_init();
+  // alloc draw buffers used by LVGL
+  // it's recommended to choose the size of the draw buffer(s) to be at least
+  // 1/10 screen sized
+  lv_color_t *buf1 = malloc(EXAMPLE_LCD_H_RES * 20 * sizeof(lv_color_t));
+  assert(buf1);
+  lv_color_t *buf2 = malloc(EXAMPLE_LCD_H_RES * 20 * sizeof(lv_color_t));
+  assert(buf2);
+  // initialize LVGL draw buffers
+  lv_disp_draw_buf_init(&disp_buf, buf1, buf2, EXAMPLE_LCD_H_RES * 20);
+
+  ESP_LOGI(GUI_TAG, "Register display driver to LVGL");
+  lv_disp_drv_init(&disp_drv);
+  disp_drv.hor_res = EXAMPLE_LCD_H_RES;
+  disp_drv.ver_res = EXAMPLE_LCD_V_RES;
+  disp_drv.flush_cb = example_lvgl_flush_cb;
+  disp_drv.draw_buf = &disp_buf;
+  disp_drv.rounder_cb = example_lvgl_rounder;
+  disp_drv.set_px_cb = example_lvgl_set_px_cb;
+  lv_disp_t *disp = lv_disp_drv_register(&disp_drv);
+
+  ESP_LOGI(GUI_TAG, "Install LVGL tick timer");
+  // Tick interface for LVGL (using esp_timer to generate 2ms periodic event)
+  const esp_timer_create_args_t lvgl_tick_timer_args = {
+      .callback = &example_increase_lvgl_tick, .name = "lvgl_tick"};
+  esp_timer_handle_t lvgl_tick_timer = NULL;
+  ESP_ERROR_CHECK(esp_timer_create(&lvgl_tick_timer_args, &lvgl_tick_timer));
+  ESP_ERROR_CHECK(esp_timer_start_periodic(lvgl_tick_timer,
+                                           EXAMPLE_LVGL_TICK_PERIOD_MS * 1000));
+
+  ESP_LOGI(GUI_TAG, "Display LVGL Scroll Text");
+  example_lvgl_demo_ui(disp);
+
+  xTaskCreate(gui_tick, "gui_tick", 4096, (void *)NULL, 5, NULL);
+}

main/hw-ms03.c

@@ -1,27 +0,0 @@
-#pragma once
-#include "driver/gpio.h"
-#include "freeRTOS/FreeRTOS.h"
-
-#define HW_MS03_INT_GPIO 6
-#define BEEP_GPIO 7
-
-void hw_ms03_int_handler(void *arg) {
-  gpio_set_level(BEEP_GPIO, gpio_get_level(HW_MS03_INT_GPIO));
-}
-
-void hw_ms03_init() {
-  gpio_config_t io_conf = {};
-
-  io_conf.mode = GPIO_MODE_INPUT;
-  io_conf.pull_up_en = 0;
-  io_conf.pull_down_en = 1;
-  io_conf.intr_type = GPIO_INTR_ANYEDGE;
-  io_conf.pin_bit_mask = 1ULL << HW_MS03_INT_GPIO;
-  gpio_config(&io_conf);
-  io_conf.mode = GPIO_MODE_OUTPUT;
-  io_conf.pin_bit_mask = 1ULL << BEEP_GPIO;
-  io_conf.pull_down_en = 0;
-  gpio_config(&io_conf);
-
-  gpio_isr_handler_add(HW_MS03_INT_GPIO, hw_ms03_int_handler, NULL);
-}

main/i2c.c

@@ -54,7 +54,7 @@ uint8_t i2c_check_slave_exists(uint8_t address) {
   i2c_master_start(cmd);
   i2c_master_write_byte(cmd, (address << 1) | I2C_MASTER_WRITE, ACK_CHECK_EN);
   i2c_master_stop(cmd);
-  esp_err_t ret = i2c_master_cmd_begin(I2C_NUM_0, cmd, 50 / portTICK_RATE_MS);
+  esp_err_t ret = i2c_master_cmd_begin(I2C_NUM_0, cmd, 50 / portTICK_PERIOD_MS);
   i2c_cmd_link_delete(cmd);
 
   if (ret == ESP_OK) {

main/idf_component.yml

@@ -0,0 +1,18 @@
+## IDF Component Manager Manifest File
+dependencies:
+  lvgl/lvgl: "^8.3.6~1"
+  espressif/mdns: "^1.0.9"
+  ## Required IDF version
+  idf:
+    version: ">=5.0.1"
+  # # Put list of dependencies here
+  # # For components maintained by Espressif:
+  # component: "~1.0.0"
+  # # For 3rd party components:
+  # username/component: ">=1.0.0,<2.0.0"
+  # username2/component2:
+  #   version: "~1.0.0"
+  #   # For transient dependencies `public` flag can be set.
+  #   # `public` flag doesn't have an effect dependencies of the `main` component.
+  #   # All dependencies of `main` are public by default.
+  #   public: true

main/led_strip_encoder/led_strip_encoder.c

@@ -0,0 +1,141 @@
+/*
+ * SPDX-FileCopyrightText: 2021-2022 Espressif Systems (Shanghai) CO LTD
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include "led_strip_encoder.h"
+
+#include "esp_check.h"
+
+static const char *TAG = "led_encoder";
+
+typedef struct {
+  rmt_encoder_t base;
+  rmt_encoder_t *bytes_encoder;
+  rmt_encoder_t *copy_encoder;
+  int state;
+  rmt_symbol_word_t reset_code;
+} rmt_led_strip_encoder_t;
+
+static size_t rmt_encode_led_strip(rmt_encoder_t *encoder,
+                                   rmt_channel_handle_t channel,
+                                   const void *primary_data, size_t data_size,
+                                   rmt_encode_state_t *ret_state) {
+  rmt_led_strip_encoder_t *led_encoder =
+      __containerof(encoder, rmt_led_strip_encoder_t, base);
+  rmt_encoder_handle_t bytes_encoder = led_encoder->bytes_encoder;
+  rmt_encoder_handle_t copy_encoder = led_encoder->copy_encoder;
+  rmt_encode_state_t session_state = 0;
+  rmt_encode_state_t state = 0;
+  size_t encoded_symbols = 0;
+  switch (led_encoder->state) {
+    case 0:  // send RGB data
+      encoded_symbols += bytes_encoder->encode(
+          bytes_encoder, channel, primary_data, data_size, &session_state);
+      if (session_state & RMT_ENCODING_COMPLETE) {
+        led_encoder->state =
+            1;  // switch to next state when current encoding session finished
+      }
+      if (session_state & RMT_ENCODING_MEM_FULL) {
+        state |= RMT_ENCODING_MEM_FULL;
+        goto out;  // yield if there's no free space for encoding artifacts
+      }
+    // fall-through
+    case 1:  // send reset code
+      encoded_symbols +=
+          copy_encoder->encode(copy_encoder, channel, &led_encoder->reset_code,
+                               sizeof(led_encoder->reset_code), &session_state);
+      if (session_state & RMT_ENCODING_COMPLETE) {
+        led_encoder->state = 0;  // back to the initial encoding session
+        state |= RMT_ENCODING_COMPLETE;
+      }
+      if (session_state & RMT_ENCODING_MEM_FULL) {
+        state |= RMT_ENCODING_MEM_FULL;
+        goto out;  // yield if there's no free space for encoding artifacts
+      }
+  }
+out:
+  *ret_state = state;
+  return encoded_symbols;
+}
+
+static esp_err_t rmt_del_led_strip_encoder(rmt_encoder_t *encoder) {
+  rmt_led_strip_encoder_t *led_encoder =
+      __containerof(encoder, rmt_led_strip_encoder_t, base);
+  rmt_del_encoder(led_encoder->bytes_encoder);
+  rmt_del_encoder(led_encoder->copy_encoder);
+  free(led_encoder);
+  return ESP_OK;
+}
+
+static esp_err_t rmt_led_strip_encoder_reset(rmt_encoder_t *encoder) {
+  rmt_led_strip_encoder_t *led_encoder =
+      __containerof(encoder, rmt_led_strip_encoder_t, base);
+  rmt_encoder_reset(led_encoder->bytes_encoder);
+  rmt_encoder_reset(led_encoder->copy_encoder);
+  led_encoder->state = 0;
+  return ESP_OK;
+}
+
+esp_err_t rmt_new_led_strip_encoder(const led_strip_encoder_config_t *config,
+                                    rmt_encoder_handle_t *ret_encoder) {
+  esp_err_t ret = ESP_OK;
+  rmt_led_strip_encoder_t *led_encoder = NULL;
+  ESP_GOTO_ON_FALSE(config && ret_encoder, ESP_ERR_INVALID_ARG, err, TAG,
+                    "invalid argument");
+  led_encoder = calloc(1, sizeof(rmt_led_strip_encoder_t));
+  ESP_GOTO_ON_FALSE(led_encoder, ESP_ERR_NO_MEM, err, TAG,
+                    "no mem for led strip encoder");
+  led_encoder->base.encode = rmt_encode_led_strip;
+  led_encoder->base.del = rmt_del_led_strip_encoder;
+  led_encoder->base.reset = rmt_led_strip_encoder_reset;
+  // different led strip might have its own timing requirements, following
+  // parameter is for WS2812
+  rmt_bytes_encoder_config_t bytes_encoder_config = {
+      .bit0 =
+          {
+              .level0 = 1,
+              .duration0 = 0.3 * config->resolution / 1000000,  // T0H=0.3us
+              .level1 = 0,
+              .duration1 = 0.9 * config->resolution / 1000000,  // T0L=0.9us
+          },
+      .bit1 =
+          {
+              .level0 = 1,
+              .duration0 = 0.9 * config->resolution / 1000000,  // T1H=0.9us
+              .level1 = 0,
+              .duration1 = 0.3 * config->resolution / 1000000,  // T1L=0.3us
+          },
+      .flags.msb_first = 1  // WS2812 transfer bit order: G7...G0R7...R0B7...B0
+  };
+  ESP_GOTO_ON_ERROR(
+      rmt_new_bytes_encoder(&bytes_encoder_config, &led_encoder->bytes_encoder),
+      err, TAG, "create bytes encoder failed");
+  rmt_copy_encoder_config_t copy_encoder_config = {};
+  ESP_GOTO_ON_ERROR(
+      rmt_new_copy_encoder(&copy_encoder_config, &led_encoder->copy_encoder),
+      err, TAG, "create copy encoder failed");
+
+  uint32_t reset_ticks = config->resolution / 1000000 * 50 /
+                         2;  // reset code duration defaults to 50us
+  led_encoder->reset_code = (rmt_symbol_word_t){
+      .level0 = 0,
+      .duration0 = reset_ticks,
+      .level1 = 0,
+      .duration1 = reset_ticks,
+  };
+  *ret_encoder = &led_encoder->base;
+  return ESP_OK;
+err:
+  if (led_encoder) {
+    if (led_encoder->bytes_encoder) {
+      rmt_del_encoder(led_encoder->bytes_encoder);
+    }
+    if (led_encoder->copy_encoder) {
+      rmt_del_encoder(led_encoder->copy_encoder);
+    }
+    free(led_encoder);
+  }
+  return ret;
+}

main/led_strip_encoder/led_strip_encoder.h

@@ -0,0 +1,38 @@
+/*
+ * SPDX-FileCopyrightText: 2021-2022 Espressif Systems (Shanghai) CO LTD
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+#pragma once
+
+#include <stdint.h>
+
+#include "driver/rmt_encoder.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * @brief Type of led strip encoder configuration
+ */
+typedef struct {
+  uint32_t resolution; /*!< Encoder resolution, in Hz */
+} led_strip_encoder_config_t;
+
+/**
+ * @brief Create RMT encoder for encoding LED strip pixels into RMT symbols
+ *
+ * @param[in] config Encoder configuration
+ * @param[out] ret_encoder Returned encoder handle
+ * @return
+ *      - ESP_ERR_INVALID_ARG for any invalid arguments
+ *      - ESP_ERR_NO_MEM out of memory when creating led strip encoder
+ *      - ESP_OK if creating encoder successfully
+ */
+esp_err_t rmt_new_led_strip_encoder(const led_strip_encoder_config_t *config,
+                                    rmt_encoder_handle_t *ret_encoder);
+
+#ifdef __cplusplus
+}
+#endif

main/light.c

@@ -1,25 +1,22 @@
-/* RMT example -- RGB LED Strip
-
-   This example code is in the Public Domain (or CC0 licensed, at your option.)
-
-   Unless required by applicable law or agreed to in writing, this
-   software is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
-   CONDITIONS OF ANY KIND, either express or implied.
-*/
 #pragma once
-#include "driver/rmt.h"
+#include <string.h>
+
+#include "driver/rmt_tx.h"
 #include "esp_log.h"
+#include "esp_system.h"
 #include "freertos/FreeRTOS.h"
 #include "freertos/task.h"
-#include "led_strip.h"
+#include "led_strip_encoder/led_strip_encoder.h"
+#include "nvs.h"
+#include "nvs_flash.h"
 #include "sdkconfig.h"
 
 static const char *LIGHT_TAG = "DisplayAmbientLight_Light";
 
-#define RMT_TX_CHANNEL RMT_CHANNEL_0
 #define RMT_TX_GPIO 1
 #define STRIP_LED_NUMBER CONFIG_NUMBER_OF_LEDS
 #define EXAMPLE_CHASE_SPEED_MS (10)
+#define RMT_LED_STRIP_RESOLUTION_HZ 10000000
 
 typedef enum light_mode_e {
   light_mode_init = 0,
@@ -31,11 +28,21 @@ typedef enum light_mode_e {
   light_mode_off = 6,
 } light_mode_t;
 
-led_strip_t *light_led_strip;
+rmt_channel_handle_t led_chan = NULL;
+static uint8_t led_strip_pixels[STRIP_LED_NUMBER * 3];
+rmt_encoder_handle_t led_encoder = NULL;
+rmt_transmit_config_t tx_config = {
+    .loop_count = 0,  // no transfer loop
+};
+
 light_mode_t light_mode;
 float display_ambient_light_brightness = 1;
 uint8_t display_ambient_lighting_level = 255;
 
+float led_strip_red_calibration = 1.0;
+float led_strip_green_calibration = 1.0;
+float led_strip_blue_calibration = 1.0;
+
 void led_strip_fade_in_light_level(void *pvParameter) {
   float target = (float)display_ambient_lighting_level / 255.0;
   float step_length = (target - display_ambient_light_brightness) / 40.0;
@@ -55,6 +62,78 @@ void led_strip_set_brightness(uint8_t level) {
 
   xTaskCreate(led_strip_fade_in_light_level, "LED_STRIP_FADE_IN_LIGHT_LEVEL",
               4096, NULL, 1, NULL);
+
+  nvs_handle_t nvs_handle;
+  esp_err_t err = nvs_open("storage", NVS_READWRITE, &nvs_handle);
+  err = nvs_set_u8(nvs_handle, "brightness", level);
+  if (err != ESP_OK) {
+    ESP_LOGW(LIGHT_TAG, "Error (%s) saving light level!\n",
+             esp_err_to_name(err));
+    nvs_close(nvs_handle);
+    return;
+  }
+  err = nvs_commit(nvs_handle);
+  if (err != ESP_OK) {
+    ESP_LOGW(LIGHT_TAG, "Error (%s) saving light level!\n",
+             esp_err_to_name(err));
+  }
+  nvs_close(nvs_handle);
+}
+
+void led_strip_set_color_calibration(float red, float green, float blue) {
+  led_strip_red_calibration = red;
+  led_strip_green_calibration = green;
+  led_strip_blue_calibration = blue;
+
+  ESP_LOGI(LIGHT_TAG, "Calibration: %f %f %f", red, green, blue);
+
+  nvs_handle_t local_nvs_handle;
+
+  esp_err_t err = nvs_open("storage", NVS_READWRITE, &local_nvs_handle);
+
+  if (err != ESP_OK) {
+    ESP_LOGW(LIGHT_TAG, "Error (%s) opening NVS handle!\n",
+             esp_err_to_name(err));
+    return;
+  }
+
+  err = nvs_set_u8(local_nvs_handle, "calibration_r", (uint32_t)(red * 255));
+  if (err != ESP_OK) {
+    nvs_close(local_nvs_handle);
+    ESP_LOGW(LIGHT_TAG, "Error (%s) write calibration_r failed!",
+             esp_err_to_name(err));
+    return;
+  }
+  err = nvs_set_u8(local_nvs_handle, "calibration_g", (uint8_t)(green * 255));
+  if (err != ESP_OK) {
+    nvs_close(local_nvs_handle);
+    ESP_LOGW(LIGHT_TAG, "Error (%s) calibration_g failed!",
+             esp_err_to_name(err));
+    return;
+  }
+  err = nvs_set_u8(local_nvs_handle, "calibration_b", (uint8_t)(blue * 255));
+  if (err != ESP_OK) {
+    nvs_close(local_nvs_handle);
+    ESP_LOGW(LIGHT_TAG, "Error (%s) calibration_b failed!",
+             esp_err_to_name(err));
+    return;
+  }
+
+  err = nvs_commit(local_nvs_handle);
+  if (err != ESP_OK) {
+    ESP_LOGW(LIGHT_TAG, "Error (%s) save led_strip_red_calibration failed!",
+             esp_err_to_name(err));
+  }
+
+  nvs_close(local_nvs_handle);
+}
+
+void light_strip_transmit_task(void *pvParameter) {
+  while (1) {
+    ESP_ERROR_CHECK(rmt_transmit(led_chan, led_encoder, led_strip_pixels,
+                                 sizeof(led_strip_pixels), &tx_config));
+    vTaskDelay(pdMS_TO_TICKS(10));
+  }
 }
 
 /**
@@ -110,68 +189,111 @@ void led_strip_hsv2rgb(uint32_t h, uint32_t s, uint32_t v, uint32_t *r,
   }
 }
 
-void update_desktop_connection_state() {
+// void update_desktop_connection_state() {
-  static uint8_t tick = 0;
+//   static uint8_t tick = 0;
 
-  bool beat = tick / 10 % 2 ? 1 : 0;
+//   bool beat = tick / 10 % 2 ? 1 : 0;
 
-  switch (light_mode) {
+//   switch (light_mode) {
-    case light_mode_desktop_online:
+//     case light_mode_desktop_online:
-      if (beat) {
+//       if (beat) {
-        ESP_ERROR_CHECK(
+//         led_strip_pixels[0] = 0;
-            light_led_strip->set_pixel(light_led_strip, 0, 10, 10, 10));
+//         led_strip_pixels[1] = 0;
-      }
+//         led_strip_pixels[2] = 0;
-      ESP_ERROR_CHECK(
+//       }
-          light_led_strip->set_pixel(light_led_strip, 1, 10, 10, 10));
+//       led_strip_pixels[3] = 10
-      ESP_ERROR_CHECK(
+//       break;
-          light_led_strip->set_pixel(light_led_strip, 2, 10, 10, 10));
+//     case light_mode_mqtt_connected:
-      break;
+//       if (beat) {
-    case light_mode_mqtt_connected:
+//         ESP_ERROR_CHECK(
-      if (beat) {
+//             light_led_strip->set_pixel(light_led_strip, 0, 10, 10, 10));
-        ESP_ERROR_CHECK(
+//         ESP_ERROR_CHECK(
-            light_led_strip->set_pixel(light_led_strip, 0, 10, 10, 10));
+//             light_led_strip->set_pixel(light_led_strip, 1, 10, 10, 10));
-        ESP_ERROR_CHECK(
+//       }
-            light_led_strip->set_pixel(light_led_strip, 1, 10, 10, 10));
+//       ESP_ERROR_CHECK(
-      }
+//           light_led_strip->set_pixel(light_led_strip, 2, 22, 22, 22));
-      ESP_ERROR_CHECK(
+//       break;
-          light_led_strip->set_pixel(light_led_strip, 2, 22, 22, 22));
+//     case light_mode_idle:
-      break;
+//       if (beat) {
-    case light_mode_idle:
+//         ESP_ERROR_CHECK(
-      if (beat) {
+//             light_led_strip->set_pixel(light_led_strip, 0, 77, 77, 77));
-        ESP_ERROR_CHECK(
+//         ESP_ERROR_CHECK(
-            light_led_strip->set_pixel(light_led_strip, 0, 77, 77, 77));
+//             light_led_strip->set_pixel(light_led_strip, 1, 77, 77, 77));
-        ESP_ERROR_CHECK(
+//         ESP_ERROR_CHECK(
-            light_led_strip->set_pixel(light_led_strip, 1, 77, 77, 77));
+//             light_led_strip->set_pixel(light_led_strip, 2, 77, 77, 77));
-        ESP_ERROR_CHECK(
+//       }
-            light_led_strip->set_pixel(light_led_strip, 2, 77, 77, 77));
+//       break;
-      }
+//     default:
-      break;
+//       break;
-    default:
+//   }
-      break;
-  }
 
-  tick++;
+//   tick++;
-}
+// }
 
 void light_for_init() {
   ESP_LOGI(LIGHT_TAG, "light_for_init");
-  ESP_ERROR_CHECK(light_led_strip->clear(light_led_strip, 100));
 
-  uint32_t red = 0, green = 0, blue = 0;
+  memset(led_strip_pixels, 0, sizeof(led_strip_pixels));
-  int8_t i = 0;
+
+  nvs_handle local_nvs_handle;
+  esp_err_t err = nvs_open("storage", NVS_READWRITE, &local_nvs_handle);
+  if (err != ESP_OK) {
+    ESP_LOGW(LIGHT_TAG, "Error (%s) opening NVS handle!", esp_err_to_name(err));
+  }
+
+  uint8_t r = 255, g = 255, b = 255;
+  uint8_t brightness = 200;
+  err = nvs_get_u8(local_nvs_handle, "calibration_r", &r);
+  if (err != ESP_OK) {
+    ESP_LOGW(LIGHT_TAG, "Error (%s) reading calibration_r!",
+             esp_err_to_name(err));
+  }
+  err = nvs_get_u8(local_nvs_handle, "calibration_g", &g);
+  if (err != ESP_OK) {
+    ESP_LOGW(LIGHT_TAG, "Error (%s) reading calibration_g!",
+             esp_err_to_name(err));
+  }
+  err = nvs_get_u8(local_nvs_handle, "calibration_b", &b);
+  if (err != ESP_OK) {
+    ESP_LOGW(LIGHT_TAG, "Error (%s) reading calibration_b!",
+             esp_err_to_name(err));
+  }
+  err = nvs_get_u8(local_nvs_handle, "brightness", &brightness);
+  if (err != ESP_OK) {
+    ESP_LOGW(LIGHT_TAG, "Error (%s) reading brightness!", esp_err_to_name(err));
+  }
+
+  nvs_close(local_nvs_handle);
+
+  // set brightness
+  led_strip_set_brightness(brightness);
+
+  // play init light
+  float r_f = (float)r / 255.0;
+  float g_f = (float)g / 255.0;
+  float b_f = (float)b / 255.0;
+
+  uint8_t init_r, init_g, init_b;
 
   do {
-    for (; i < 100; i++) {
+    for (uint8_t i = 0; i < 200; i++) {
+      init_r = (uint8_t)(r_f * (float)i);
+      init_g = (uint8_t)(g_f * (float)i);
+      init_b = (uint8_t)(b_f * (float)i);
+
       for (int j = 0; j < STRIP_LED_NUMBER; j++) {
-        led_strip_hsv2rgb(0, 0, i, &red, &green, &blue);
+        led_strip_pixels[j * 3 + 0] = init_g;
-        ESP_ERROR_CHECK(
+        led_strip_pixels[j * 3 + 1] = init_r;
-            light_led_strip->set_pixel(light_led_strip, j, red, green, blue));
+        led_strip_pixels[j * 3 + 2] = init_b;
       }
-      ESP_ERROR_CHECK(light_led_strip->refresh(light_led_strip, 100));
+
-      vTaskDelay(pdMS_TO_TICKS(10));
+      vTaskDelay(pdMS_TO_TICKS(20));
     }
     vTaskDelay(pdMS_TO_TICKS(100));
   } while (light_mode == light_mode_init);
+
+  led_strip_set_color_calibration((float)r / 255.0, (float)g / 255.0,
+                                  (float)b / 255.0);
 }
 
 void light_for_connecting_wifi() {
@@ -180,11 +302,21 @@ void light_for_connecting_wifi() {
   int8_t tick_tock = 0;
 
   do {
-    ESP_ERROR_CHECK(
+    if (tick_tock) {
-        light_led_strip->set_pixel(light_led_strip, tick_tock, 150, 150, 0));
+      led_strip_pixels[0] = 150;
-    ESP_ERROR_CHECK(light_led_strip->set_pixel(light_led_strip,
+      led_strip_pixels[1] = 150;
-                                               (tick_tock + 1) % 2, 0, 200, 0));
+      led_strip_pixels[2] = 0;
-    ESP_ERROR_CHECK(light_led_strip->refresh(light_led_strip, 100));
+      led_strip_pixels[3] = 200;
+      led_strip_pixels[4] = 0;
+      led_strip_pixels[5] = 0;
+    } else {
+      led_strip_pixels[0] = 200;
+      led_strip_pixels[1] = 0;
+      led_strip_pixels[2] = 0;
+      led_strip_pixels[3] = 150;
+      led_strip_pixels[4] = 150;
+      led_strip_pixels[5] = 0;
+    }
     tick_tock = !tick_tock;
     vTaskDelay(pdMS_TO_TICKS(200));
   } while (light_mode == light_mode_connection_wifi);
@@ -192,7 +324,10 @@ void light_for_connecting_wifi() {
 
 void light_for_idle() {
   ESP_LOGI(LIGHT_TAG, "light_for_idle");
-  ESP_ERROR_CHECK(light_led_strip->clear(light_led_strip, 100));
+
+  memset(led_strip_pixels, 0, sizeof(led_strip_pixels));
+  ESP_ERROR_CHECK(rmt_transmit(led_chan, led_encoder, led_strip_pixels,
+                               sizeof(led_strip_pixels), &tx_config));
 
   uint32_t red = 0, green = 0, blue = 0;
   uint16_t step_length = 360 / STRIP_LED_NUMBER;
@@ -206,22 +341,21 @@ void light_for_idle() {
       // Build RGB values
       led_strip_hsv2rgb(hue, 50, 30, &red, &green, &blue);
 
-      red = red * display_ambient_light_brightness;
+      led_strip_pixels[j * 3 + 0] = green * display_ambient_light_brightness *
-      green = green * display_ambient_light_brightness;
+                                    led_strip_green_calibration;
-      blue = blue * display_ambient_light_brightness;
+      led_strip_pixels[j * 3 + 1] =
-      // Write RGB values to strip driver
+          red * display_ambient_light_brightness * led_strip_red_calibration;
-      ESP_ERROR_CHECK(
+      led_strip_pixels[j * 3 + 2] =
-          light_led_strip->set_pixel(light_led_strip, j, red, green, blue));
+          blue * display_ambient_light_brightness * led_strip_blue_calibration;
     }
-    update_desktop_connection_state();
+    // update_desktop_connection_state();
-    ESP_ERROR_CHECK(light_led_strip->refresh(light_led_strip, 100));
     vTaskDelay(pdMS_TO_TICKS(10));
   }
 }
 
 void light_strip_running_task(void *pv_parameters) {
   while (true) {
-    if (!light_led_strip) {
+    if (!led_chan) {
       ESP_LOGE(LIGHT_TAG, "install WS2812 driver failed 2");
     }
     switch (light_mode) {
@@ -245,47 +379,76 @@ void light_strip_running_task(void *pv_parameters) {
 }
 
 void light_init_strip() {
-  rmt_config_t config = RMT_DEFAULT_CONFIG_TX(RMT_TX_GPIO, RMT_TX_CHANNEL);
+  rmt_tx_channel_config_t tx_chan_config = {
-  // set counter clock to 40MHz
+      .clk_src = RMT_CLK_SRC_DEFAULT,  // select source clock
-  config.clk_div = 2;
+      .gpio_num = RMT_TX_GPIO,
+      .mem_block_symbols =
+          64,  // increase the block size can make the LED less flickering
+      .resolution_hz = RMT_LED_STRIP_RESOLUTION_HZ,
+      .trans_queue_depth = 4,  // set the number of transactions that can be
+                               // pending in the background
+  };
+  ESP_ERROR_CHECK(rmt_new_tx_channel(&tx_chan_config, &led_chan));
 
-  ESP_ERROR_CHECK(rmt_config(&config));
+  ESP_LOGI(LIGHT_TAG, "Install led strip encoder");
-  ESP_ERROR_CHECK(rmt_driver_install(config.channel, 0, 0));
 
-  // install ws2812 driver
+  led_strip_encoder_config_t encoder_config = {
-  led_strip_config_t strip_config = LED_STRIP_DEFAULT_CONFIG(
+      .resolution = RMT_LED_STRIP_RESOLUTION_HZ,
-      STRIP_LED_NUMBER, (led_strip_dev_t)config.channel);
+  };
-  light_led_strip = led_strip_new_rmt_ws2812(&strip_config);
+  ESP_ERROR_CHECK(rmt_new_led_strip_encoder(&encoder_config, &led_encoder));
-  if (!light_led_strip) {
+
-    ESP_LOGE(LIGHT_TAG, "install WS2812 driver failed");
+  ESP_LOGI(LIGHT_TAG, "Enable RMT TX channel");
-  }
+  ESP_ERROR_CHECK(rmt_enable(led_chan));
-  // Clear LED strip (turn off all LEDs)
+
-  ESP_ERROR_CHECK(light_led_strip->clear(light_led_strip, 100));
+  ESP_LOGI(LIGHT_TAG, "Start LED rainbow chase");
-  // Show simple rainbow chasing pattern
-  ESP_LOGI(LIGHT_TAG, "LED Rainbow Chase Start");
 
   light_mode = light_mode_init;
 
   xTaskCreate(light_strip_running_task, "LIGHT_STRIP_RUNNING_TASK", 4096, NULL,
               1, NULL);
+
+  xTaskCreate(light_strip_transmit_task, "LIGHT_STRIP_TRANSMIT_TASK", 4096,
+              NULL, 1, NULL);
 }
 
 void light_play_colors(uint16_t len, uint8_t *buffer) {
-  light_mode = light_mode_desktop_sending_colors;
+  // light_mode = light_mode_desktop_sending_colors;
 
-  for (uint16_t led_index = 0, buffer_cursor = 0;
+  // uint16_t black_count = 0;  // count of black pixels. r/g/b <= 10
-       led_index < STRIP_LED_NUMBER && buffer_cursor < len;
+
-       led_index++, buffer_cursor += 3) {
+  // for (uint16_t led_index = 0, buffer_cursor = 0;
-    uint8_t r = (uint8_t)((float)buffer[buffer_cursor] *
+  //      led_index < STRIP_LED_NUMBER && buffer_cursor < len;
-                          display_ambient_light_brightness),
+  //      led_index++, buffer_cursor += 3) {
-            g = (uint8_t)((float)buffer[buffer_cursor + 1] *
+  //   uint8_t r = (uint8_t)((float)buffer[buffer_cursor] *
-                          display_ambient_light_brightness),
+  //                         display_ambient_light_brightness *
-            b = (uint8_t)((float)buffer[buffer_cursor + 2] *
+  //                         led_strip_red_calibration),
-                          display_ambient_light_brightness);
+  //           g = (uint8_t)((float)buffer[buffer_cursor + 1] *
-    ESP_ERROR_CHECK(
+  //                         display_ambient_light_brightness *
-        light_led_strip->set_pixel(light_led_strip, led_index, r, g, b));
+  //                         led_strip_green_calibration),
-  }
+  //           b = (uint8_t)((float)buffer[buffer_cursor + 2] *
-  ESP_ERROR_CHECK(light_led_strip->refresh(light_led_strip, 100));
+  //                         display_ambient_light_brightness *
+  //                         led_strip_blue_calibration);
+  //   if (r <= 7 && g <= 7 && b <= 7) {
+  //     black_count++;
+  //   }
+  //   led_strip_pixels[led_index * 3 + 0] = g;
+  //   led_strip_pixels[led_index * 3 + 1] = r;
+  //   led_strip_pixels[led_index * 3 + 2] = b;
+  // }
+
+  // if (black_count > STRIP_LED_NUMBER / 5 * 4) {
+  //   uint8_t r = (uint8_t)((float)50 * display_ambient_light_brightness *
+  //                         led_strip_red_calibration),
+  //           g = (uint8_t)((float)40 * display_ambient_light_brightness *
+  //                         led_strip_green_calibration),
+  //           b = (uint8_t)((float)20 * display_ambient_light_brightness *
+  //                         led_strip_blue_calibration);
+  //   for (uint16_t led_index = 0; led_index < STRIP_LED_NUMBER; led_index++) {
+  //     led_strip_pixels[led_index * 3 + 0] = g;
+  //     led_strip_pixels[led_index * 3 + 1] = r;
+  //     led_strip_pixels[led_index * 3 + 2] = b;
+  //   }
+  // }
   vTaskDelay(pdMS_TO_TICKS(10));
 }
 
@@ -293,3 +456,53 @@ void light_play(light_mode_t mode) {
   ESP_LOGI(LIGHT_TAG, "light_play: %d", mode);
   light_mode = mode;
 }
+
+void set_display_ambient_light_colors(uint16_t offset, uint8_t *sub_pixels,
+                                      uint16_t len) {
+  // ESP_LOGI(LIGHT_TAG, "set_display_ambient_light_colors: offset: %d\t len:
+  // %d",
+  //          offset, len);
+  light_mode = light_mode_desktop_sending_colors;
+
+  uint16_t black_count = 0;  // count of black pixels. r/g/b <= 7
+
+  uint16_t global_end = len + offset * 3;
+
+  if (global_end > STRIP_LED_NUMBER * 3) {
+    global_end = STRIP_LED_NUMBER * 3;
+  }
+
+  for (uint16_t global_index = offset * 3, local_index = 0;
+       global_index < global_end; global_index += 3, local_index += 3) {
+    uint8_t r = (uint8_t)((float)sub_pixels[local_index + 0] *
+                          display_ambient_light_brightness *
+                          led_strip_red_calibration),
+            g = (uint8_t)((float)sub_pixels[local_index + 1] *
+                          display_ambient_light_brightness *
+                          led_strip_green_calibration),
+            b = (uint8_t)((float)sub_pixels[local_index + 2] *
+                          display_ambient_light_brightness *
+                          led_strip_blue_calibration);
+    if (r <= 7 && g <= 7 && b <= 7) {
+      black_count++;
+    }
+    led_strip_pixels[global_index + 0] = g;
+    led_strip_pixels[global_index + 1] = r;
+    led_strip_pixels[global_index + 2] = b;
+  }
+
+  if (black_count == len / 3) {
+    uint8_t r = (uint8_t)((float)10 * display_ambient_light_brightness *
+                          led_strip_red_calibration),
+            g = (uint8_t)((float)7 * display_ambient_light_brightness *
+                          led_strip_green_calibration),
+            b = (uint8_t)((float)7 * display_ambient_light_brightness *
+                          led_strip_blue_calibration);
+    for (uint16_t global_index = offset * 3; global_index < global_end;
+         global_index += 3) {
+      led_strip_pixels[global_index + 0] = g;
+      led_strip_pixels[global_index + 1] = r;
+      led_strip_pixels[global_index + 2] = b;
+    }
+  }
+}

main/main.c

@@ -1,53 +1,69 @@
-#include "apds_9960.c"
+// #include "apds_9960.c"
+#include "app_nvs.c"
+#include "ch1116.c"
 #include "ci_03t.c"
-#include "embedded_display.c"
 #include "esp_log.h"
 #include "freertos/FreeRTOS.h"
 #include "freertos/task.h"
-#include "hw-ms03.c"
+#include "gui.c"
 #include "i2c.c"
 #include "light.c"
-#include "mqtt.c"
+// #include "mqtt.c"
-#include "pca9555.c"
+// #include "pca9555.c"
 #include "sdkconfig.h"
-#include "temperature.c"
+#include "service_discovery.c"
+// #include "temperature.c"
+#include "desktop.c"
+#include "net_gateway_monitor.c"
 #include "ui_input.c"
 #include "wifi.c"
 
-static const char *TAG = "DisplayAmbientLight";
+static const char *APP_TAG = "DisplayAmbientLight";
 
 void app_main(void) {
+  app_nvs_init();
   light_init_strip();
 
   gpio_install_isr_service(0);
   init_i2c();
   i2c_check_slaves();
 
-  init_display();
+  ch1116_main();
-  display_print8_str(0, 0, "Ambient Light");
+  gui_main();
-  // hw_ms03_init();
+
-  // ci_03t_init();
+  gui_set_wifi_connecting();
-  apds_9960_init();
+  gui_set_server_connecting();
-  apds_9960_auto_fetch();
+
-  auto_fetch_temperature();
+  // display_print8_str(0, 0, "Ambient Light");
+
+  ci_03t_init();
+  // apds_9960_init();
+  // apds_9960_auto_fetch();
+  // auto_fetch_temperature();
   pca9555_init();
   ui_input_init();
-  xTaskCreate(mqtt_publish_ui_input, "mqtt_publish_ui_input", 2048, NULL, 10,
+  // xTaskCreate(mqtt_publish_ui_input, "mqtt_publish_ui_input", 2048, NULL, 10,
-              NULL);
+  //             NULL);
-  vTaskDelay(pdMS_TO_TICKS(10));
+  // vTaskDelay(pdMS_TO_TICKS(10));
   light_play(light_mode_connection_wifi);
   if (connect_wifi()) {
+    gui_set_wifi_connected();
     light_play(light_mode_idle);
+  } else {
+    gui_set_wifi_disconnected();
   }
-  vTaskDelay(pdMS_TO_TICKS(1000));
+  udp_server_init();
-  mqtt_app_start();
+  net_gateway_monitor_init();
-  if (waiting_for_mqtt_connected()) {
+  service_discovery_init();
-    light_play(light_mode_mqtt_connected);
+  // vTaskDelay(pdMS_TO_TICKS(1000));
-  }
+  // mqtt_app_start();
-  if (waiting_for_desktop_online()) {
+  // if (waiting_for_mqtt_connected()) {
-    light_play(light_mode_desktop_online);
+  //   light_play(light_mode_mqtt_connected);
-  }
+  // }
-  while (waiting_and_get_colors()) {
+  // if (waiting_for_desktop_online()) {
-    light_play_colors(NUMBER_OF_LEDS * 3, mqtt_colors_buffer);
+  //   light_play(light_mode_desktop_online);
-  }
+  // }
+  // while (waiting_and_get_colors()) {
+  //   light_play_colors(NUMBER_OF_LEDS * 3, mqtt_colors_buffer);
+  // }
 }

main/mqtt.c

@@ -1,281 +0,0 @@
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include "cJSON.h"
-#include "ci_03t.c"
-#include "embedded_display.c"
-#include "esp_bit_defs.h"
-#include "esp_event.h"
-#include "esp_log.h"
-#include "esp_system.h"
-#include "freertos/FreeRTOS.h"
-#include "freertos/event_groups.h"
-#include "freertos/queue.h"
-#include "freertos/semphr.h"
-#include "freertos/task.h"
-#include "mqtt_client.h"
-#include "ui_input.c"
-
-#define MQTT_BROKER_URL CONFIG_MQTT_BROKER_URL
-#define NUMBER_OF_LEDS CONFIG_NUMBER_OF_LEDS
-
-#define MQTT_FAILED_BIT BIT0
-#define MQTT_CONNECTED_BIT BIT1
-#define MQTT_DISCONNECTED_BIT BIT2
-#define MQTT_DESKTOP_ONLINE_BIT BIT3
-#define MQTT_DESKTOP_OFFLINE_BIT BIT4
-#define MQTT_DESKTOP_SENDING_BIT BIT5
-#define MQTT_COLORS_STAND_BY_BIT BIT6
-
-#define MQTT_BOARD_KEY_PREFIX "display-ambient-light/board/"
-#define MQTT_DESKTOP_KEY_PREFIX "display-ambient-light/desktop/"
-#define MQTT_ONLINE_SUFFIX "online"
-#define MQTT_COLORS_SUFFIX "colors"
-#define MQTT_CMD_SUFFIX "cmd"
-#define MQTT_ALL_SUFFIX "#"
-
-#define MQTT_KEY_BOARD_ONLINE MQTT_BOARD_KEY_PREFIX MQTT_ONLINE_SUFFIX
-#define MQTT_KEY_DISPLAY_BRIGHTNESS_INPUT MQTT_BOARD_KEY_PREFIX "brightness"
-#define MQTT_KEY_DESKTOP_ONLINE MQTT_DESKTOP_KEY_PREFIX MQTT_ONLINE_SUFFIX
-#define MQTT_KEY_DESKTOP_COLORS MQTT_DESKTOP_KEY_PREFIX MQTT_COLORS_SUFFIX
-#define MQTT_KEY_DESKTOP_ALL MQTT_DESKTOP_KEY_PREFIX MQTT_ALL_SUFFIX
-
-#define MQTT_KEY_BOARD_CMD MQTT_BOARD_KEY_PREFIX MQTT_CMD_SUFFIX
-#define MQTT_KEY_DESKTOP_DISPLAY_0_BRIGHTNESS \
-  MQTT_DESKTOP_KEY_PREFIX "display0/brightness"
-#define MQTT_KEY_DESKTOP_DISPLAY_1_BRIGHTNESS \
-  MQTT_DESKTOP_KEY_PREFIX "display1/brightness"
-
-static const char *MQTT_TAG = "DisplayAmbientLight_MQTT";
-
-static EventGroupHandle_t s_mqtt_event_group;
-static xQueueHandle mqtt_cmd_event = NULL;
-static esp_mqtt_client_handle_t client = NULL;
-
-typedef struct colors {
-  uint8_t *buffer;
-  uint8_t number;
-} s_colors_t;
-
-static uint8_t *mqtt_colors_buffer;
-
-static void log_error_if_nonzero(const char *message, int error_code) {
-  if (error_code != 0) {
-    ESP_LOGE(MQTT_TAG, "Last error %s: 0x%x", message, error_code);
-  }
-}
-
-static void mqtt_event_handler(void *handler_args, esp_event_base_t base,
-                               int32_t event_id, void *event_data) {
-  ESP_LOGD(MQTT_TAG, "Event dispatched from event loop base=%s, event_id=%d",
-           base, event_id);
-  esp_mqtt_event_handle_t event = event_data;
-  client = event->client;
-  int msg_id;
-  switch ((esp_mqtt_event_id_t)event_id) {
-    case MQTT_EVENT_CONNECTED:
-      ESP_LOGI(MQTT_TAG, "MQTT_EVENT_CONNECTED");
-      xEventGroupSetBits(s_mqtt_event_group, MQTT_CONNECTED_BIT);
-      msg_id = esp_mqtt_client_publish(client, MQTT_KEY_BOARD_ONLINE, "ONLINE",
-                                       0, 1, 0);
-      ESP_LOGI(MQTT_TAG, "sent publish successful, msg_id=%d", msg_id);
-      esp_mqtt_client_subscribe(client, MQTT_KEY_DESKTOP_ALL, 1);
-      break;
-    case MQTT_EVENT_DISCONNECTED:
-      ESP_LOGI(MQTT_TAG, "MQTT_EVENT_DISCONNECTED");
-      xEventGroupSetBits(s_mqtt_event_group, MQTT_DISCONNECTED_BIT);
-      break;
-
-    case MQTT_EVENT_SUBSCRIBED:
-      ESP_LOGI(MQTT_TAG, "MQTT_EVENT_SUBSCRIBED, msg_id=%d", event->msg_id);
-      break;
-    case MQTT_EVENT_UNSUBSCRIBED:
-      ESP_LOGI(MQTT_TAG, "MQTT_EVENT_UNSUBSCRIBED, msg_id=%d", event->msg_id);
-      break;
-    case MQTT_EVENT_PUBLISHED:
-      ESP_LOGI(MQTT_TAG, "MQTT_EVENT_PUBLISHED, msg_id=%d", event->msg_id);
-      break;
-    case MQTT_EVENT_DATA:
-      // ESP_LOGI(MQTT_TAG, "MQTT_EVENT_DATA");
-      if (strncmp(event->topic, MQTT_KEY_DESKTOP_ONLINE, event->topic_len) ==
-          0) {
-        xEventGroupSetBits(s_mqtt_event_group, MQTT_DESKTOP_ONLINE_BIT);
-      } else if (strncmp(event->topic, MQTT_KEY_DESKTOP_COLORS,
-                         event->topic_len) == 0) {
-        // printf("LEN=%d, DATA=%.*s\r\n", event->data_len, event->data_len,
-        //        event->data);
-        memcpy(mqtt_colors_buffer, event->data,
-               MIN(event->data_len, NUMBER_OF_LEDS * 3));
-        xEventGroupSetBits(s_mqtt_event_group,
-                           MQTT_DESKTOP_SENDING_BIT | MQTT_COLORS_STAND_BY_BIT);
-      } else {
-        if (strncmp(event->topic, MQTT_KEY_DESKTOP_DISPLAY_0_BRIGHTNESS,
-                    event->topic_len) == 0) {
-          s_ui_input_t mqtt_event = {
-              .key = ui_input_key_display_0_brightness,
-              .value = (uint16_t)(event->data[0] << 8 | event->data[1]),
-          };
-          xQueueSend(mqtt_cmd_event, &mqtt_event, NULL);
-        } else if (strncmp(event->topic, MQTT_KEY_DESKTOP_DISPLAY_1_BRIGHTNESS,
-                           event->topic_len) == 0) {
-          s_ui_input_t mqtt_event = {
-              .key = ui_input_key_display_1_brightness,
-              .value = (uint16_t)(event->data[0] << 8 | event->data[1]),
-          };
-          xQueueSend(mqtt_cmd_event, &mqtt_event, NULL);
-        } else {
-          printf("TOPIC=%.*s\r\n", event->topic_len, event->topic);
-          printf("DATA=%.*s\r\n", event->data_len, event->data);
-        }
-      }
-      break;
-    case MQTT_EVENT_ERROR:
-      ESP_LOGI(MQTT_TAG, "MQTT_EVENT_ERROR");
-      xEventGroupSetBits(s_mqtt_event_group, MQTT_FAILED_BIT);
-      if (event->error_handle->error_type == MQTT_ERROR_TYPE_TCP_TRANSPORT) {
-        log_error_if_nonzero("reported from esp-tls",
-                             event->error_handle->esp_tls_last_esp_err);
-        log_error_if_nonzero("reported from tls stack",
-                             event->error_handle->esp_tls_stack_err);
-        log_error_if_nonzero("captured as transport's socket errno",
-                             event->error_handle->esp_transport_sock_errno);
-        ESP_LOGI(MQTT_TAG, "Last errno string (%s)",
-                 strerror(event->error_handle->esp_transport_sock_errno));
-      }
-      break;
-    default:
-      ESP_LOGI(MQTT_TAG, "Other event id:%d", event->event_id);
-      break;
-  }
-}
-
-static void mqtt_cmd_event_handler(void *arg) {
-  s_ui_input_t event;
-
-  for (;;) {
-    if (xQueueReceive(mqtt_cmd_event, &event, portMAX_DELAY)) {
-      ESP_LOGI(MQTT_TAG, "mqtt_cmd_event_handler");
-
-      gui_update_config_uint8(ui_input_key_display_0_brightness,
-                              (uint8_t)(event.value & 0xFF));
-      switch (event.key) {
-        case ui_input_key_display_0_brightness: {
-          ESP_LOGI(MQTT_TAG, "ui_input_key_display_0_brightness %x",
-                   event.value);
-          uint8_t data[] = {0x02, (uint8_t)(event.value & 0xFF)};
-          ci_03t_send_data(data, sizeof(data));
-          break;
-        }
-        case ui_input_key_display_1_brightness: {
-          ESP_LOGI(MQTT_TAG, "ui_input_key_display_0_brightness %x",
-                   event.value);
-          uint8_t data[] = {0x03, (uint8_t)(event.value & 0xFF)};
-          ci_03t_send_data(data, sizeof(data));
-          break;
-        }
-        default:
-          break;
-      }
-    }
-  }
-}
-
-static void mqtt_app_start() {
-  mqtt_colors_buffer = (uint8_t *)malloc(sizeof(uint8_t) * NUMBER_OF_LEDS * 3);
-  s_mqtt_event_group = xEventGroupCreate();
-  mqtt_cmd_event = xQueueCreate(10, sizeof(s_ui_input_t));
-  xTaskCreate(mqtt_cmd_event_handler, "mqtt_cmd_event", 2048, NULL, 10, NULL);
-
-  const esp_mqtt_client_config_t mqtt_cfg = {
-      .uri = MQTT_BROKER_URL,
-  };
-  esp_mqtt_client_handle_t client = esp_mqtt_client_init(&mqtt_cfg);
-  esp_mqtt_client_register_event(client, ESP_EVENT_ANY_ID, mqtt_event_handler,
-                                 client);
-  esp_mqtt_client_start(client);
-}
-
-static bool waiting_for_mqtt_connected() {
-  EventBits_t bits = xEventGroupWaitBits(s_mqtt_event_group,
-                                         MQTT_CONNECTED_BIT | MQTT_FAILED_BIT,
-                                         pdFALSE, pdFALSE, portMAX_DELAY);
-
-  if (bits & MQTT_CONNECTED_BIT) {
-    return 1;
-  } else if (bits & MQTT_FAILED_BIT) {
-    ESP_LOGE(MQTT_TAG, "BBB Failed to connect to MQTT.");
-    return 0;
-  } else {
-    ESP_LOGE(MQTT_TAG, "UNEXPECTED EVENT");
-    return 0;
-  }
-}
-static bool waiting_for_desktop_online() {
-  EventBits_t bits = xEventGroupWaitBits(
-      s_mqtt_event_group, MQTT_DESKTOP_ONLINE_BIT | MQTT_DESKTOP_SENDING_BIT,
-      pdFALSE, pdFALSE, portMAX_DELAY);
-
-  if (bits & MQTT_DESKTOP_ONLINE_BIT) {
-    return 1;
-  } else if (bits & MQTT_DESKTOP_SENDING_BIT) {
-    return 1;
-  } else {
-    ESP_LOGE(MQTT_TAG, "UNEXPECTED EVENT");
-    return 0;
-  }
-}
-static bool waiting_for_desktop_sending_colors() {
-  EventBits_t bits =
-      xEventGroupWaitBits(s_mqtt_event_group, MQTT_DESKTOP_SENDING_BIT, pdFALSE,
-                          pdFALSE, portMAX_DELAY);
-
-  ESP_LOGE(MQTT_TAG, "MQTT_DESKTOP_SENDING_BIT");
-
-  if (bits & MQTT_DESKTOP_SENDING_BIT) {
-    return 1;
-  } else {
-    ESP_LOGE(MQTT_TAG, "UNEXPECTED EVENT");
-    return 0;
-  }
-}
-static bool waiting_and_get_colors() {
-  EventBits_t bits =
-      xEventGroupWaitBits(s_mqtt_event_group, MQTT_COLORS_STAND_BY_BIT, pdFALSE,
-                          pdFALSE, portMAX_DELAY);
-  if (bits & MQTT_COLORS_STAND_BY_BIT) {
-    xEventGroupClearBits(s_mqtt_event_group, MQTT_COLORS_STAND_BY_BIT);
-    return 1;
-  } else {
-    ESP_LOGE(MQTT_TAG, "UNEXPECTED EVENT");
-    return 0;
-  }
-}
-
-static void mqtt_publish_ui_input(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:
-        case ui_input_key_display_1_brightness: {
-          cJSON *publish_json_root, *brightness;
-          publish_json_root = cJSON_CreateObject();
-          cJSON_AddNumberToObject(
-              publish_json_root, "display_index",
-              ui_input_key_display_0_brightness == input.key ? 0 : 1);
-          cJSON_AddItemToObject(publish_json_root, "brightness",
-                                brightness = cJSON_CreateObject());
-          cJSON_AddNumberToObject(brightness, "Relative", input.value);
-          char *publish_str = cJSON_Print(publish_json_root);
-          cJSON_Delete(publish_json_root);
-          esp_mqtt_client_publish(client, MQTT_KEY_DISPLAY_BRIGHTNESS_INPUT,
-                                  publish_str, 0, 1, 0);
-        } break;
-
-        default:
-          break;
-      }
-    }
-  }
-}

main/net_gateway_monitor.c

@@ -0,0 +1,147 @@
+#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 "lwip/err.h"
+#include "lwip/sockets.h"
+#include "lwip/sys.h"
+
+#define NET_GATEWAY_MONITOR_UDP_PORT 23043
+#define NET_GATEWAY_MONITOR_SERVER_ADDR 0xC0A81F05  // 192.168.31.5
+#define NET_GATEWAY_MONITOR_SERVER_PORT 17890
+
+static const char *NET_GATEWAY_MONITOR_TAG = "NET_GATE_MONITOR";
+static int net_gateway_monitor_socket = -1;
+
+static void net_gateway_monitor_request_task(void *pvParameters) {
+  int sock = net_gateway_monitor_socket;
+  struct sockaddr_in server_addr;
+  server_addr.sin_addr.s_addr = htonl(NET_GATEWAY_MONITOR_SERVER_ADDR);
+  server_addr.sin_family = AF_INET;
+  server_addr.sin_port = htons(NET_GATEWAY_MONITOR_SERVER_PORT);
+  while (sock == net_gateway_monitor_socket) {
+    int err = sendto(net_gateway_monitor_socket, "ping", 4, 0, &server_addr,
+                     sizeof(server_addr));
+    if (err < 0) {
+      ESP_LOGE(NET_GATEWAY_MONITOR_TAG,
+               "Error occurred during sending: errno %d. sock: %d", errno,
+               net_gateway_monitor_socket);
+    }
+    vTaskDelay(5000 / portTICK_PERIOD_MS);
+  }
+  vTaskDelete(NULL);
+}
+
+static void net_gateway_monitor_run_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;
+  struct sockaddr_in server_addr;
+
+  while (1) {
+    dest_addr.sin_addr.s_addr = htonl(INADDR_ANY);
+    dest_addr.sin_family = AF_INET;
+    dest_addr.sin_port = htons(NET_GATEWAY_MONITOR_UDP_PORT);
+    ip_protocol = IPPROTO_IP;
+
+    server_addr.sin_addr.s_addr = htonl(NET_GATEWAY_MONITOR_SERVER_ADDR);
+    server_addr.sin_family = AF_INET;
+    server_addr.sin_port = htons(NET_GATEWAY_MONITOR_SERVER_PORT);
+
+    net_gateway_monitor_socket = socket(addr_family, SOCK_DGRAM, ip_protocol);
+    if (net_gateway_monitor_socket < 0) {
+      ESP_LOGE(NET_GATEWAY_MONITOR_TAG,
+               "Unable to create socket: errno %d. sock: %d", errno,
+               net_gateway_monitor_socket);
+      break;
+    }
+    ESP_LOGI(NET_GATEWAY_MONITOR_TAG, "Socket created");
+
+    // Set timeout
+    struct timeval timeout;
+    timeout.tv_sec = 10;
+    timeout.tv_usec = 0;
+    setsockopt(net_gateway_monitor_socket, SOL_SOCKET, SO_RCVTIMEO, &timeout,
+               sizeof timeout);
+
+    int err = bind(net_gateway_monitor_socket, (struct sockaddr *)&dest_addr,
+                   sizeof(dest_addr));
+    if (err < 0) {
+      ESP_LOGE(NET_GATEWAY_MONITOR_TAG,
+               "Socket unable to bind: errno %d. sock: %d", errno,
+               net_gateway_monitor_socket);
+      net_gateway_monitor_socket = -1;
+      vTaskDelay(1000 / portTICK_PERIOD_MS);
+      continue;
+    }
+    // err = connect(net_gateway_monitor_socket, (struct sockaddr
+    // *)&server_addr,
+    //               sizeof(server_addr));
+    if (err < 0) {
+      ESP_LOGE(NET_GATEWAY_MONITOR_TAG,
+               "Socket unable to connect: errno %d. sock: %d", errno,
+               net_gateway_monitor_socket);
+      net_gateway_monitor_socket = -1;
+      vTaskDelay(1000 / portTICK_PERIOD_MS);
+      continue;
+    }
+
+    ESP_LOGI(NET_GATEWAY_MONITOR_TAG, "Socket bound, port %d",
+             NET_GATEWAY_MONITOR_UDP_PORT);
+
+    xTaskCreate(net_gateway_monitor_request_task, "net_gateway_monitor_request",
+                1024, NULL, 5, NULL);
+
+    while (1) {
+      uint8_t from_len = sizeof(server_addr);
+      // ESP_LOGI(NET_GATEWAY_MONITOR_TAG, "Waiting for data");
+      int len =
+          recv(net_gateway_monitor_socket, rx_buffer, sizeof(rx_buffer) - 1, 0);
+      // Error occurred during receiving
+      if (len < 0) {
+        if (errno == EAGAIN) {
+          continue;
+        }
+        ESP_LOGE(NET_GATEWAY_MONITOR_TAG, "recvfrom failed: errno %d. len: %d",
+                 errno, len);
+      }
+      // Data received
+      else {
+        // Get the sender's ip address as string
+        inet_ntoa_r(server_addr.sin_addr, addr_str, sizeof(addr_str) - 1);
+
+        rx_buffer[len] = 0;  // Null-terminate whatever we received and treat
+                             // like a string...
+        gui_change_network_speed(
+            (uint64_t *)&rx_buffer[0], (uint64_t *)&rx_buffer[8],
+            (uint64_t *)&rx_buffer[16], (uint64_t *)&rx_buffer[24]);
+      }
+
+      if (net_gateway_monitor_socket != -1 && len < 0) {
+        ESP_LOGE(NET_GATEWAY_MONITOR_TAG,
+                 "Shutting down socket and restarting...");
+        shutdown(net_gateway_monitor_socket, 0);
+        close(net_gateway_monitor_socket);
+        break;
+      }
+    }
+  }
+  vTaskDelete(NULL);
+}
+
+static void net_gateway_monitor_init() {
+  ESP_LOGI(NET_GATEWAY_MONITOR_TAG, "Start net gateway monitor");
+  xTaskCreate(net_gateway_monitor_run_task, "net_gateway_monitor_run", 4096,
+              (void *)AF_INET, 5, NULL);
+}

main/pca9555.c

@@ -3,7 +3,6 @@
 #include <stdlib.h>
 
 #include "driver/i2c.h"
-#include "embedded_display.c"
 #include "esp_log.h"
 #include "i2c.c"
 
@@ -79,19 +78,15 @@ void pca9555_fetch(void* arg) {
   esp_err_t error;
   uint8_t buff;
   char disp_str[17];
-  display_fill_rect(0, 6, 128, 8, 0x00);
   for (;;) {
     error = pca9555_read_one_input(PCA95555_CMD_INPUT_PORT_1, &buff);
     if (error != ESP_OK) {
       ESP_LOGW(PCA_9555_TAG, "read failed. %x", error);
     } else {
-      sprintf(disp_str, "IO0: 0x%2x  ", buff);
-      display_print8_str(8, 6, disp_str);
       ESP_LOGD(PCA_9555_TAG, "IO0: 0x%2x", buff);
     }
     vTaskDelay(pdMS_TO_TICKS(10));
   }
-  display_fill_rect(0, 6, 128, 8, 0x00);
 }
 
 void pca9555_auto_fetch() {

main/service_discovery.c

@@ -0,0 +1,28 @@
+#pragma once
+
+#include "esp_err.h"
+#include "esp_log.h"
+#include "mdns.h"
+
+static const char *SERVICE_DISCOVERY_TAG = "SERVICE_DISCOVERY_TAG";
+
+static void service_discovery_init() {  // 初始化 mDNS 服务
+  esp_err_t err = mdns_init();
+  if (err) {
+    ESP_LOGE(SERVICE_DISCOVERY_TAG, "MDNS Init failed: %d\n", err);
+    return;
+  }
+
+  // 设置 hostname
+  mdns_hostname_set("ambient-light-board");
+  // 设置默认实例
+  mdns_instance_name_set("ivan");
+  // 添加服务
+  mdns_service_add(NULL, "_ambient_light", "_udp", 23042, NULL, 0);
+  mdns_service_add(NULL, "_http", "_tcp", 80, NULL, 0);
+
+  // 注意：必须先添加服务，然后才能设置其属性
+  // web 服务器使用自定义的实例名
+  mdns_service_instance_name_set("_ambientlight_web", "_tcp",
+                                 "Ambient Light Board Web Server");
+}

main/temperature.c

@@ -22,7 +22,7 @@
 void fetch_temperature(void* arg) {
   esp_err_t error;
   float temperature = DEFAULT_TEMPERATURE;
-  char temperature_str[10];
+  char temperature_str[20];
   uint8_t temperature_buffer[] = {0, 0};
   display_fill_rect(0, 0, 128, 2, 0x00);
   for (;;) {

main/ui_input.c

@@ -6,10 +6,10 @@
 
 #include "config_key.h"
 #include "driver/gpio.h"
-#include "embedded_display.c"
 #include "freertos/FreeRTOS.h"
 #include "freertos/queue.h"
 #include "freertos/task.h"
+#include "gui.c"
 #include "light.c"
 #include "pca9555.c"
 
@@ -34,8 +34,8 @@
 
 static const char *UI_INPUT_TAG = "UiInput";
 
-static xQueueHandle ui_input_event = NULL;
+static QueueHandle_t ui_input_event = NULL;
-static xQueueHandle ui_input_raw_event = NULL;
+static QueueHandle_t ui_input_raw_event = NULL;
 
 typedef struct encoder_state {
   e_ui_input_raw_key_t key;
@@ -51,7 +51,10 @@ static encoder_state_t encoder_1_state = {.key = ui_input_raw_key_encoder_1,
 
 uint8_t level_byte;
 int8_t delta = 0;
-char changing_str[12] = "NC";
+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);
@@ -59,7 +62,7 @@ static void IRAM_ATTR gpio_isr_handler(void *arg) {
 
 static void ui_input_update_embedded_display(void *arg) {
   s_ui_input_t input;
-  char changing_str[12] = "NC";
+  char changing_str[20] = "NC";
   for (;;) {
     if (xQueueReceive(ui_input_event, &input, portMAX_DELAY)) {
       switch (input.key) {
@@ -73,7 +76,6 @@ static void ui_input_update_embedded_display(void *arg) {
           sprintf(changing_str, "CVol: % 3d", input.value);
           break;
         case ui_input_key_display_ambient_lighting_level:
-          sprintf(changing_str, "ALLv: % 3d", display_ambient_lighting_level);
           break;
         case ui_input_key_display_ambient_lighting_mode:
           sprintf(changing_str, "ALMd: % 3d", input.value);
@@ -89,8 +91,8 @@ static void ui_input_update_embedded_display(void *arg) {
           strcpy(changing_str, "NC");
           break;
       }
-      display_fill_rect(0, 6, 128, 8, 0);
+
-      display_print8_str(8, 6, changing_str);
+      ESP_LOGI(UI_INPUT_TAG, "%s", changing_str);
     }
   }
 }
@@ -151,20 +153,47 @@ static void encoder_value_change(encoder_state_t *state) {
 
   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) {
@@ -193,13 +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,
+  // xTaskCreate(ui_input_update_embedded_display, "ui_input_event", 2048, NULL,
-              10, NULL);
+  //             10, NULL);
   xTaskCreate(ui_input_raw_handler, "ui_input_event", 2048, NULL, 10, NULL);
 }

main/wifi.c

@@ -151,14 +151,7 @@ bool wifi_init_sta(void) {
 }
 
 bool connect_wifi(void) {
-  // Initialize NVS
+  //! Should init NVS before wifi init
-  esp_err_t ret = nvs_flash_init();
-  if (ret == ESP_ERR_NVS_NO_FREE_PAGES ||
-      ret == ESP_ERR_NVS_NEW_VERSION_FOUND) {
-    ESP_ERROR_CHECK(nvs_flash_erase());
-    ret = nvs_flash_init();
-  }
-  ESP_ERROR_CHECK(ret);
 
   ESP_LOGI(WIFI_TAG, "ESP_WIFI_MODE_STA");
   return wifi_init_sta();