feat(backlight): add PWM parameters configuration (#188)

CHANGELOG.md

@@ -1,6 +1,10 @@
 # ChangeLog
 
-## v1.0.2 - 2025-03-24
+## v1.0.2 - 2025-04-23
+
+### Enhancements:
+
+* feat(backlight): add PWM parameters configuration (#188)
 
 ### Bugfixes:
 
@@ -9,6 +13,7 @@
 * fix(docs): update README
 * fix(conf): update comments of custom config file
 * fix(examples): enable CPU 240M and task WDT default in esp_idf/lvgl_v8_port
+* fix(lcd): fix ST7701 mirror issue
 
 ## v1.0.1 - 2025-03-13
 

esp_panel_board_custom_conf.h

@@ -476,6 +476,22 @@
     #define ESP_PANEL_BOARD_BACKLIGHT_IO        (38)    // Output GPIO pin number
     #define ESP_PANEL_BOARD_BACKLIGHT_ON_LEVEL  (1)     // Active level, 0: low, 1: high
 
+#if ESP_PANEL_BOARD_BACKLIGHT_TYPE == ESP_PANEL_BACKLIGHT_TYPE_PWM_LEDC
+    /**
+     * @brief PWM parameters configuration
+     */
+    #define ESP_PANEL_BOARD_BACKLIGHT_PWM_FREQ_HZ   (5000)  // LEDC timer frequency.
+                                                            // Different backlight driver chips may have different
+                                                            // frequency limits, please refer to the datasheet of
+                                                            // the specific chip.
+                                                            // https://github.com/esp-arduino-libs/ESP32_Display_Panel/issues/188
+
+    #define ESP_PANEL_BOARD_BACKLIGHT_PWM_DUTY_RESOLUTION  (10) // LEDC timer duty resolution.
+                                                                // The frequency and duty resolution of the LEDC timer
+                                                                // need to be properly matched, please refer to:
+                                                                // https://docs.espressif.com/projects/esp-idf/en/latest/esp32/api-reference/peripherals/ledc.html#supported-range-of-frequency-and-duty-resolutions
+#endif
+
 #elif ESP_PANEL_BOARD_BACKLIGHT_TYPE == ESP_PANEL_BACKLIGHT_TYPE_CUSTOM
 
     /**
@@ -735,8 +751,8 @@
  * 3. Patch version mismatch: No impact on functionality
  */
 #define ESP_PANEL_BOARD_CUSTOM_FILE_VERSION_MAJOR 1
-#define ESP_PANEL_BOARD_CUSTOM_FILE_VERSION_MINOR 0
-#define ESP_PANEL_BOARD_CUSTOM_FILE_VERSION_PATCH 2
+#define ESP_PANEL_BOARD_CUSTOM_FILE_VERSION_MINOR 1
+#define ESP_PANEL_BOARD_CUSTOM_FILE_VERSION_PATCH 0
 
 #endif // ESP_PANEL_BOARD_DEFAULT_USE_CUSTOM
 

examples/arduino/board/board_static_config/esp_panel_board_custom_conf.h

@@ -476,6 +476,22 @@
     #define ESP_PANEL_BOARD_BACKLIGHT_IO        (38)    // Output GPIO pin number
     #define ESP_PANEL_BOARD_BACKLIGHT_ON_LEVEL  (1)     // Active level, 0: low, 1: high
 
+#if ESP_PANEL_BOARD_BACKLIGHT_TYPE == ESP_PANEL_BACKLIGHT_TYPE_PWM_LEDC
+    /**
+     * @brief PWM parameters configuration
+     */
+    #define ESP_PANEL_BOARD_BACKLIGHT_PWM_FREQ_HZ   (5000)  // LEDC timer frequency.
+                                                            // Different backlight driver chips may have different
+                                                            // frequency limits, please refer to the datasheet of
+                                                            // the specific chip.
+                                                            // https://github.com/esp-arduino-libs/ESP32_Display_Panel/issues/188
+
+    #define ESP_PANEL_BOARD_BACKLIGHT_PWM_DUTY_RESOLUTION  (10) // LEDC timer duty resolution.
+                                                                // The frequency and duty resolution of the LEDC timer
+                                                                // need to be properly matched, please refer to:
+                                                                // https://docs.espressif.com/projects/esp-idf/en/latest/esp32/api-reference/peripherals/ledc.html#supported-range-of-frequency-and-duty-resolutions
+#endif
+
 #elif ESP_PANEL_BOARD_BACKLIGHT_TYPE == ESP_PANEL_BACKLIGHT_TYPE_CUSTOM
 
     /**
@@ -735,8 +751,8 @@
  * 3. Patch version mismatch: No impact on functionality
  */
 #define ESP_PANEL_BOARD_CUSTOM_FILE_VERSION_MAJOR 1
-#define ESP_PANEL_BOARD_CUSTOM_FILE_VERSION_MINOR 0
-#define ESP_PANEL_BOARD_CUSTOM_FILE_VERSION_PATCH 2
+#define ESP_PANEL_BOARD_CUSTOM_FILE_VERSION_MINOR 1
+#define ESP_PANEL_BOARD_CUSTOM_FILE_VERSION_PATCH 0
 
 #endif // ESP_PANEL_BOARD_DEFAULT_USE_CUSTOM
 

examples/arduino/gui/lvgl_v8/simple_port/esp_panel_board_custom_conf.h

@@ -476,6 +476,22 @@
     #define ESP_PANEL_BOARD_BACKLIGHT_IO        (38)    // Output GPIO pin number
     #define ESP_PANEL_BOARD_BACKLIGHT_ON_LEVEL  (1)     // Active level, 0: low, 1: high
 
+#if ESP_PANEL_BOARD_BACKLIGHT_TYPE == ESP_PANEL_BACKLIGHT_TYPE_PWM_LEDC
+    /**
+     * @brief PWM parameters configuration
+     */
+    #define ESP_PANEL_BOARD_BACKLIGHT_PWM_FREQ_HZ   (5000)  // LEDC timer frequency.
+                                                            // Different backlight driver chips may have different
+                                                            // frequency limits, please refer to the datasheet of
+                                                            // the specific chip.
+                                                            // https://github.com/esp-arduino-libs/ESP32_Display_Panel/issues/188
+
+    #define ESP_PANEL_BOARD_BACKLIGHT_PWM_DUTY_RESOLUTION  (10) // LEDC timer duty resolution.
+                                                                // The frequency and duty resolution of the LEDC timer
+                                                                // need to be properly matched, please refer to:
+                                                                // https://docs.espressif.com/projects/esp-idf/en/latest/esp32/api-reference/peripherals/ledc.html#supported-range-of-frequency-and-duty-resolutions
+#endif
+
 #elif ESP_PANEL_BOARD_BACKLIGHT_TYPE == ESP_PANEL_BACKLIGHT_TYPE_CUSTOM
 
     /**
@@ -735,8 +751,8 @@
  * 3. Patch version mismatch: No impact on functionality
  */
 #define ESP_PANEL_BOARD_CUSTOM_FILE_VERSION_MAJOR 1
-#define ESP_PANEL_BOARD_CUSTOM_FILE_VERSION_MINOR 0
-#define ESP_PANEL_BOARD_CUSTOM_FILE_VERSION_PATCH 2
+#define ESP_PANEL_BOARD_CUSTOM_FILE_VERSION_MINOR 1
+#define ESP_PANEL_BOARD_CUSTOM_FILE_VERSION_PATCH 0
 
 #endif // ESP_PANEL_BOARD_DEFAULT_USE_CUSTOM
 

examples/arduino/gui/lvgl_v8/simple_rotation/esp_panel_board_custom_conf.h

@@ -476,6 +476,22 @@
     #define ESP_PANEL_BOARD_BACKLIGHT_IO        (38)    // Output GPIO pin number
     #define ESP_PANEL_BOARD_BACKLIGHT_ON_LEVEL  (1)     // Active level, 0: low, 1: high
 
+#if ESP_PANEL_BOARD_BACKLIGHT_TYPE == ESP_PANEL_BACKLIGHT_TYPE_PWM_LEDC
+    /**
+     * @brief PWM parameters configuration
+     */
+    #define ESP_PANEL_BOARD_BACKLIGHT_PWM_FREQ_HZ   (5000)  // LEDC timer frequency.
+                                                            // Different backlight driver chips may have different
+                                                            // frequency limits, please refer to the datasheet of
+                                                            // the specific chip.
+                                                            // https://github.com/esp-arduino-libs/ESP32_Display_Panel/issues/188
+
+    #define ESP_PANEL_BOARD_BACKLIGHT_PWM_DUTY_RESOLUTION  (10) // LEDC timer duty resolution.
+                                                                // The frequency and duty resolution of the LEDC timer
+                                                                // need to be properly matched, please refer to:
+                                                                // https://docs.espressif.com/projects/esp-idf/en/latest/esp32/api-reference/peripherals/ledc.html#supported-range-of-frequency-and-duty-resolutions
+#endif
+
 #elif ESP_PANEL_BOARD_BACKLIGHT_TYPE == ESP_PANEL_BACKLIGHT_TYPE_CUSTOM
 
     /**
@@ -735,8 +751,8 @@
  * 3. Patch version mismatch: No impact on functionality
  */
 #define ESP_PANEL_BOARD_CUSTOM_FILE_VERSION_MAJOR 1
-#define ESP_PANEL_BOARD_CUSTOM_FILE_VERSION_MINOR 0
-#define ESP_PANEL_BOARD_CUSTOM_FILE_VERSION_PATCH 2
+#define ESP_PANEL_BOARD_CUSTOM_FILE_VERSION_MINOR 1
+#define ESP_PANEL_BOARD_CUSTOM_FILE_VERSION_PATCH 0
 
 #endif // ESP_PANEL_BOARD_DEFAULT_USE_CUSTOM
 

examples/arduino/gui/lvgl_v8/squareline_port/esp_panel_board_custom_conf.h

@@ -476,6 +476,22 @@
     #define ESP_PANEL_BOARD_BACKLIGHT_IO        (38)    // Output GPIO pin number
     #define ESP_PANEL_BOARD_BACKLIGHT_ON_LEVEL  (1)     // Active level, 0: low, 1: high
 
+#if ESP_PANEL_BOARD_BACKLIGHT_TYPE == ESP_PANEL_BACKLIGHT_TYPE_PWM_LEDC
+    /**
+     * @brief PWM parameters configuration
+     */
+    #define ESP_PANEL_BOARD_BACKLIGHT_PWM_FREQ_HZ   (5000)  // LEDC timer frequency.
+                                                            // Different backlight driver chips may have different
+                                                            // frequency limits, please refer to the datasheet of
+                                                            // the specific chip.
+                                                            // https://github.com/esp-arduino-libs/ESP32_Display_Panel/issues/188
+
+    #define ESP_PANEL_BOARD_BACKLIGHT_PWM_DUTY_RESOLUTION  (10) // LEDC timer duty resolution.
+                                                                // The frequency and duty resolution of the LEDC timer
+                                                                // need to be properly matched, please refer to:
+                                                                // https://docs.espressif.com/projects/esp-idf/en/latest/esp32/api-reference/peripherals/ledc.html#supported-range-of-frequency-and-duty-resolutions
+#endif
+
 #elif ESP_PANEL_BOARD_BACKLIGHT_TYPE == ESP_PANEL_BACKLIGHT_TYPE_CUSTOM
 
     /**
@@ -735,8 +751,8 @@
  * 3. Patch version mismatch: No impact on functionality
  */
 #define ESP_PANEL_BOARD_CUSTOM_FILE_VERSION_MAJOR 1
-#define ESP_PANEL_BOARD_CUSTOM_FILE_VERSION_MINOR 0
-#define ESP_PANEL_BOARD_CUSTOM_FILE_VERSION_PATCH 2
+#define ESP_PANEL_BOARD_CUSTOM_FILE_VERSION_MINOR 1
+#define ESP_PANEL_BOARD_CUSTOM_FILE_VERSION_PATCH 0
 
 #endif // ESP_PANEL_BOARD_DEFAULT_USE_CUSTOM
 

examples/arduino/gui/lvgl_v8/squareline_wifi_clock/esp_panel_board_custom_conf.h

@@ -476,6 +476,22 @@
     #define ESP_PANEL_BOARD_BACKLIGHT_IO        (38)    // Output GPIO pin number
     #define ESP_PANEL_BOARD_BACKLIGHT_ON_LEVEL  (1)     // Active level, 0: low, 1: high
 
+#if ESP_PANEL_BOARD_BACKLIGHT_TYPE == ESP_PANEL_BACKLIGHT_TYPE_PWM_LEDC
+    /**
+     * @brief PWM parameters configuration
+     */
+    #define ESP_PANEL_BOARD_BACKLIGHT_PWM_FREQ_HZ   (5000)  // LEDC timer frequency.
+                                                            // Different backlight driver chips may have different
+                                                            // frequency limits, please refer to the datasheet of
+                                                            // the specific chip.
+                                                            // https://github.com/esp-arduino-libs/ESP32_Display_Panel/issues/188
+
+    #define ESP_PANEL_BOARD_BACKLIGHT_PWM_DUTY_RESOLUTION  (10) // LEDC timer duty resolution.
+                                                                // The frequency and duty resolution of the LEDC timer
+                                                                // need to be properly matched, please refer to:
+                                                                // https://docs.espressif.com/projects/esp-idf/en/latest/esp32/api-reference/peripherals/ledc.html#supported-range-of-frequency-and-duty-resolutions
+#endif
+
 #elif ESP_PANEL_BOARD_BACKLIGHT_TYPE == ESP_PANEL_BACKLIGHT_TYPE_CUSTOM
 
     /**
@@ -735,8 +751,8 @@
  * 3. Patch version mismatch: No impact on functionality
  */
 #define ESP_PANEL_BOARD_CUSTOM_FILE_VERSION_MAJOR 1
-#define ESP_PANEL_BOARD_CUSTOM_FILE_VERSION_MINOR 0
-#define ESP_PANEL_BOARD_CUSTOM_FILE_VERSION_PATCH 2
+#define ESP_PANEL_BOARD_CUSTOM_FILE_VERSION_MINOR 1
+#define ESP_PANEL_BOARD_CUSTOM_FILE_VERSION_PATCH 0
 
 #endif // ESP_PANEL_BOARD_DEFAULT_USE_CUSTOM
 

examples/platformio/lvgl_v8_port/src/esp_panel_board_custom_conf.h

@@ -476,6 +476,22 @@
     #define ESP_PANEL_BOARD_BACKLIGHT_IO        (38)    // Output GPIO pin number
     #define ESP_PANEL_BOARD_BACKLIGHT_ON_LEVEL  (1)     // Active level, 0: low, 1: high
 
+#if ESP_PANEL_BOARD_BACKLIGHT_TYPE == ESP_PANEL_BACKLIGHT_TYPE_PWM_LEDC
+    /**
+     * @brief PWM parameters configuration
+     */
+    #define ESP_PANEL_BOARD_BACKLIGHT_PWM_FREQ_HZ   (5000)  // LEDC timer frequency.
+                                                            // Different backlight driver chips may have different
+                                                            // frequency limits, please refer to the datasheet of
+                                                            // the specific chip.
+                                                            // https://github.com/esp-arduino-libs/ESP32_Display_Panel/issues/188
+
+    #define ESP_PANEL_BOARD_BACKLIGHT_PWM_DUTY_RESOLUTION  (10) // LEDC timer duty resolution.
+                                                                // The frequency and duty resolution of the LEDC timer
+                                                                // need to be properly matched, please refer to:
+                                                                // https://docs.espressif.com/projects/esp-idf/en/latest/esp32/api-reference/peripherals/ledc.html#supported-range-of-frequency-and-duty-resolutions
+#endif
+
 #elif ESP_PANEL_BOARD_BACKLIGHT_TYPE == ESP_PANEL_BACKLIGHT_TYPE_CUSTOM
 
     /**
@@ -735,8 +751,8 @@
  * 3. Patch version mismatch: No impact on functionality
  */
 #define ESP_PANEL_BOARD_CUSTOM_FILE_VERSION_MAJOR 1
-#define ESP_PANEL_BOARD_CUSTOM_FILE_VERSION_MINOR 0
-#define ESP_PANEL_BOARD_CUSTOM_FILE_VERSION_PATCH 2
+#define ESP_PANEL_BOARD_CUSTOM_FILE_VERSION_MINOR 1
+#define ESP_PANEL_BOARD_CUSTOM_FILE_VERSION_PATCH 0
 
 #endif // ESP_PANEL_BOARD_DEFAULT_USE_CUSTOM
 

src/board/custom/Kconfig.board_custom.backlight

@@ -57,6 +57,23 @@ if ESP_PANEL_BOARD_USE_BACKLIGHT
                 Active level for backlight control.
     endmenu
 
+    menu "PWM parameters"
+        depends on ESP_PANEL_BOARD_BACKLIGHT_TYPE_PWM_LEDC
+
+        config ESP_PANEL_BOARD_BACKLIGHT_PWM_FREQ_HZ
+            int "Frequency"
+            default 5000
+            help
+                Frequency for PWM control.
+
+        config ESP_PANEL_BOARD_BACKLIGHT_PWM_DUTY_RESOLUTION
+            int "Duty resolution"
+            default 10
+            range 1 20
+            help
+                Duty resolution for PWM control.
+    endmenu
+
     config ESP_PANEL_BOARD_BACKLIGHT_IDLE_OFF
         bool "Idle off"
         default n

src/board/custom/esp_panel_board_kconfig_custom_backlight.h

@@ -42,6 +42,26 @@
             #error "Missing configuration: ESP_PANEL_BOARD_BACKLIGHT_ON_LEVEL"
         #endif
     #endif
+
+    #if (ESP_PANEL_BOARD_BACKLIGHT_TYPE == ESP_PANEL_BACKLIGHT_TYPE_PWM_LEDC)
+        #ifndef ESP_PANEL_BOARD_BACKLIGHT_PWM_FREQ_HZ
+            #ifdef CONFIG_ESP_PANEL_BOARD_BACKLIGHT_PWM_FREQ_HZ
+                #define ESP_PANEL_BOARD_BACKLIGHT_PWM_FREQ_HZ CONFIG_ESP_PANEL_BOARD_BACKLIGHT_PWM_FREQ_HZ
+            #else
+                #define ESP_PANEL_BOARD_BACKLIGHT_PWM_FREQ_HZ 5000      // Keep the backward compatibility
+            #endif
+        #endif
+    #endif
+
+    #if (ESP_PANEL_BOARD_BACKLIGHT_TYPE == ESP_PANEL_BACKLIGHT_TYPE_PWM_LEDC)
+        #ifndef ESP_PANEL_BOARD_BACKLIGHT_PWM_DUTY_RESOLUTION
+            #ifdef CONFIG_ESP_PANEL_BOARD_BACKLIGHT_PWM_DUTY_RESOLUTION
+                #define ESP_PANEL_BOARD_BACKLIGHT_PWM_DUTY_RESOLUTION CONFIG_ESP_PANEL_BOARD_BACKLIGHT_PWM_DUTY_RESOLUTION
+            #else
+                #define ESP_PANEL_BOARD_BACKLIGHT_PWM_DUTY_RESOLUTION 10    // Keep the backward compatibility
+            #endif
+        #endif
+    #endif
 #endif
 
 #ifndef ESP_PANEL_BOARD_BACKLIGHT_IDLE_OFF

src/board/esp_panel_board_default_config.cpp

@@ -293,6 +293,10 @@ const BoardConfig ESP_PANEL_BOARD_DEFAULT_CONFIG = {
         },
     #elif ESP_PANEL_BOARD_BACKLIGHT_TYPE == ESP_PANEL_BACKLIGHT_TYPE_PWM_LEDC
         .config = BacklightPWM_LEDC::Config{
+            .ledc_timer = BacklightPWM_LEDC::LEDC_TimerPartialConfig{
+                .freq_hz = ESP_PANEL_BOARD_BACKLIGHT_PWM_FREQ_HZ,
+                .duty_resolution = ESP_PANEL_BOARD_BACKLIGHT_PWM_DUTY_RESOLUTION,
+            },
             .ledc_channel = BacklightPWM_LEDC::LEDC_ChannelPartialConfig{
                 .io_num = ESP_PANEL_BOARD_BACKLIGHT_IO,
                 .on_level = ESP_PANEL_BOARD_BACKLIGHT_ON_LEVEL,

src/board/supported/jingcai/BOARD_JINGCAI_ESP32_4848S040C_I_Y_3.h

@@ -345,6 +345,23 @@
     #define ESP_PANEL_BOARD_BACKLIGHT_IO        (38)    // Output GPIO pin number
     #define ESP_PANEL_BOARD_BACKLIGHT_ON_LEVEL  (1)     // Active level, 0: low, 1: high
 
+
+#if ESP_PANEL_BOARD_BACKLIGHT_TYPE == ESP_PANEL_BACKLIGHT_TYPE_PWM_LEDC
+    /**
+     * @brief PWM parameters configuration
+     */
+    #define ESP_PANEL_BOARD_BACKLIGHT_PWM_FREQ_HZ   (1000)  // LEDC timer frequency.
+                                                            // Different backlight driver chips may have different
+                                                            // frequency limits, please refer to the datasheet of
+                                                            // the specific chip.
+                                                            // https://github.com/esp-arduino-libs/ESP32_Display_Panel/issues/188
+
+    #define ESP_PANEL_BOARD_BACKLIGHT_PWM_DUTY_RESOLUTION  (10) // LEDC timer duty resolution.
+                                                                // The frequency and duty resolution of the LEDC timer
+                                                                // need to be properly matched, please refer to:
+                                                                // https://docs.espressif.com/projects/esp-idf/en/latest/esp32/api-reference/peripherals/ledc.html#supported-range-of-frequency-and-duty-resolutions
+#endif
+
 #endif // ESP_PANEL_BOARD_BACKLIGHT_TYPE
 
 /**
@@ -381,7 +398,7 @@
  * 3. Patch version mismatch: No impact on functionality
  */
 #define ESP_PANEL_BOARD_CUSTOM_FILE_VERSION_MAJOR 1
-#define ESP_PANEL_BOARD_CUSTOM_FILE_VERSION_MINOR 0
+#define ESP_PANEL_BOARD_CUSTOM_FILE_VERSION_MINOR 1
 #define ESP_PANEL_BOARD_CUSTOM_FILE_VERSION_PATCH 0
 
 // *INDENT-ON*

src/drivers/lcd/port/esp_lcd_st7701_rgb.c

@@ -348,9 +348,20 @@ static esp_err_t panel_st7701_mirror(esp_lcd_panel_t *panel, bool mirror_x, bool
         } else {
             st7701->madctl_val &= ~LCD_CMD_ML_BIT;
         }
+
+        // Enable the Command2 BK0
+        ESP_RETURN_ON_ERROR(esp_lcd_panel_io_tx_param(io, ST7701_CMD_CND2BKxSEL, (uint8_t []) {
+            ST7701_CMD_BKxSEL_BYTE0, ST7701_CMD_BKxSEL_BYTE1, ST7701_CMD_BKxSEL_BYTE2, ST7701_CMD_BKxSEL_BYTE3,
+                                     ST7701_CMD_BKxSEL_BK0 | ST7701_CMD_CN2_BIT,
+        }, 5), TAG, "send command failed");
         ESP_RETURN_ON_ERROR(esp_lcd_panel_io_tx_param(io, ST7701_CMD_SDIR, (uint8_t[]) {
             sdir_val,
         }, 1), TAG, "send command failed");;
+
+        // Disable Command2
+        ESP_RETURN_ON_ERROR(esp_lcd_panel_io_tx_param(io, ST7701_CMD_CND2BKxSEL, (uint8_t []) {
+            ST7701_CMD_BKxSEL_BYTE0, ST7701_CMD_BKxSEL_BYTE1, ST7701_CMD_BKxSEL_BYTE2, ST7701_CMD_BKxSEL_BYTE3, 0,
+        }, 5), TAG, "send command failed");
         ESP_RETURN_ON_ERROR(esp_lcd_panel_io_tx_param(io, LCD_CMD_MADCTL, (uint8_t[]) {
             st7701->madctl_val,
         }, 1), TAG, "send command failed");;

src/esp_panel_versions.h

@@ -17,8 +17,8 @@
 
 /* File `esp_panel_board_custom_conf.h` */
 #define ESP_PANEL_BOARD_CUSTOM_VERSION_MAJOR 1
-#define ESP_PANEL_BOARD_CUSTOM_VERSION_MINOR 0
-#define ESP_PANEL_BOARD_CUSTOM_VERSION_PATCH 2
+#define ESP_PANEL_BOARD_CUSTOM_VERSION_MINOR 1
+#define ESP_PANEL_BOARD_CUSTOM_VERSION_PATCH 0
 
 /* File `esp_panel_board_supported_conf.h` */
 #define ESP_PANEL_BOARD_SUPPORTED_VERSION_MAJOR 1

tools/check_file_version.py

@@ -7,6 +7,7 @@
 
 exclude_dirs = [
     './build',
+    './examples/platformio/lvgl_v8_port/.pio'
 ]
 internal_version_file = 'src/esp_panel_versions.h'
 include_files = [