New board: Elecrow CrowPanel Avance 2.8" (#224)

- Added new board
- Extracted ST7789 driver and backlight PWM driver into separate subprojects
- Refactored T-Deck to use the shared driver modules
- Fix bug in WiFi service: searching for APs was broken

.github/workflows/build-firmware.yml

@@ -18,6 +18,15 @@ jobs:
         with:
           board_id: cyd-2432S024c
           arch: esp32
+  elecrow-crowpanel-advance-28:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: "Build"
+        uses: ./.github/actions/build-firmware
+        with:
+          board_id: elecrow-crowpanel-advance-28
+          arch: esp32s3
   lilygo-tdeck:
     runs-on: ubuntu-latest
     steps:

App/CMakeLists.txt

@@ -12,6 +12,7 @@ if (DEFINED ENV{ESP_IDF_VERSION})
 
     if("${IDF_TARGET}" STREQUAL "esp32s3")
         list(APPEND BOARD_COMPONENTS
+            ElecrowCrowpanelAdvance28
             LilygoTdeck
             M5stackCoreS3
             UnPhone

App/Kconfig

@@ -13,6 +13,14 @@ menu "Tactility App"
             bool "Custom"
         config TT_BOARD_CYD_2432S024C
             bool "CYD 2432S024C"
+        config TT_BOARD_ELECROW_CROWPANEL_ADVANCE_28
+            bool "Elecrow CrowPanel Advance 2.8"
+        config TT_BOARD_ELECROW_CROWPANEL_ADVANCE_35
+            bool "Elecrow CrowPanel Advance 3.5"
+        config TT_BOARD_ELECROW_CROWPANEL_BASIC_28
+            bool "Elecrow CrowPanel Basic 2.8"
+        config TT_BOARD_ELECROW_CROWPANEL_BASIC_35
+            bool "Elecrow CrowPanel Basic 3.5"
         config TT_BOARD_LILYGO_TDECK
             bool "LilyGo T-Deck"
         config TT_BOARD_M5STACK_CORE2

App/Source/Boards.h

@@ -10,6 +10,9 @@
 #elif defined(CONFIG_TT_BOARD_CYD_2432S024C)
 #include "CYD2432S024C.h"
 #define TT_BOARD_HARDWARE &cyd_2432S024c_config
+#elif (defined(CONFIG_TT_BOARD_ELECROW_CROWPANEL_ADVANCE_28))
+#define TT_BOARD_HARDWARE &crowpanel_advance_28
+#include "CrowPanelAdvance28.h"
 #elif defined(CONFIG_TT_BOARD_M5STACK_CORE2)
 #include "M5stackCore2.h"
 #define TT_BOARD_HARDWARE &m5stack_core2

Boards/ElecrowCrowpanelAdvance28/CMakeLists.txt

@@ -0,0 +1,7 @@
+file(GLOB_RECURSE SOURCE_FILES Source/*.c*)
+
+idf_component_register(
+    SRCS ${SOURCE_FILES}
+    INCLUDE_DIRS "Source"
+    REQUIRES Tactility esp_lvgl_port esp_lcd esp_lcd_touch_ft5x06 ST7789 PwmBacklight driver esp_adc
+)

Boards/ElecrowCrowpanelAdvance28/Source/CrowPanelAdvance28.cpp

@@ -0,0 +1,150 @@
+#include "PwmBacklight.h"
+#include "Tactility/lvgl/LvglSync.h"
+#include "hal/CrowPanelDisplay.h"
+#include "hal/CrowPanelDisplayConstants.h"
+#include "hal/CrowPanelSdCard.h"
+
+#include <Tactility/hal/Configuration.h>
+
+#define CROWPANEL_SPI_TRANSFER_SIZE_LIMIT (CROWPANEL_LCD_HORIZONTAL_RESOLUTION * CROWPANEL_LCD_SPI_TRANSFER_HEIGHT * (CROWPANEL_LCD_BITS_PER_PIXEL / 8))
+
+using namespace tt::hal;
+
+bool initBoot() {
+    return driver::pwmbacklight::init(GPIO_NUM_38);
+}
+
+extern const Configuration crowpanel_advance_28 = {
+    .initBoot = initBoot,
+    .createDisplay = createDisplay,
+    .sdcard = createSdCard(),
+    .i2c = {
+        // There is only 1 (internal for touch, and also serves as "I2C-OUT" port)
+        // Note: You could repurpose 1 or more UART interfaces as I2C interfaces
+        i2c::Configuration {
+            .name = "Main",
+            .port = I2C_NUM_0,
+            .initMode = i2c::InitMode::ByTactility,
+            .canReinit = false,
+            .hasMutableConfiguration = false,
+            .config = (i2c_config_t) {
+                .mode = I2C_MODE_MASTER,
+                .sda_io_num = GPIO_NUM_15,
+                .scl_io_num = GPIO_NUM_16,
+                .sda_pullup_en = true,
+                .scl_pullup_en = true,
+                .master = {
+                    .clk_speed = 400000
+                },
+                .clk_flags = 0
+            }
+        }
+    },
+    .spi {
+        // Display
+        spi::Configuration {
+            .device = SPI2_HOST,
+            .dma = SPI_DMA_DISABLED,
+            .config = {
+                .mosi_io_num = GPIO_NUM_39,
+                .miso_io_num = GPIO_NUM_NC,
+                .sclk_io_num = GPIO_NUM_42,
+                .quadwp_io_num = GPIO_NUM_NC,
+                .quadhd_io_num = GPIO_NUM_NC,
+                .data4_io_num = 0,
+                .data5_io_num = 0,
+                .data6_io_num = 0,
+                .data7_io_num = 0,
+                .data_io_default_level = false,
+                .max_transfer_sz = CROWPANEL_SPI_TRANSFER_SIZE_LIMIT,
+                .flags = 0,
+                .isr_cpu_id = ESP_INTR_CPU_AFFINITY_AUTO,
+                .intr_flags = 0
+            },
+            .initMode = spi::InitMode::ByTactility,
+            .canReinit = false,
+            .hasMutableConfiguration = false,
+            .lock = tt::lvgl::getSyncLock() // esp_lvgl_port owns the lock for the display
+        },
+        // SD card
+        spi::Configuration {
+            .device = SPI3_HOST,
+            .dma = SPI_DMA_CH_AUTO,
+            .config = {
+                .mosi_io_num = GPIO_NUM_6,
+                .miso_io_num = GPIO_NUM_4,
+                .sclk_io_num = GPIO_NUM_5,
+                .quadwp_io_num = GPIO_NUM_NC,
+                .quadhd_io_num = GPIO_NUM_NC,
+                .data4_io_num = 0,
+                .data5_io_num = 0,
+                .data6_io_num = 0,
+                .data7_io_num = 0,
+                .data_io_default_level = false,
+                .max_transfer_sz = 32768,
+                .flags = 0,
+                .isr_cpu_id = ESP_INTR_CPU_AFFINITY_AUTO,
+                .intr_flags = 0
+            },
+            .initMode = spi::InitMode::ByTactility,
+            .canReinit = false,
+            .hasMutableConfiguration = false,
+            .lock = nullptr // No custom lock needed
+        }
+    },
+    .uart {
+        // "UART0-IN"
+        uart::Configuration {
+            .port = UART_NUM_1,
+            .initMode = uart::InitMode::Disabled, // Manual init
+            .canReinit = true,
+            .hasMutableConfiguration = false,
+            .rxPin = GPIO_NUM_44,
+            .txPin = GPIO_NUM_43,
+            .rtsPin = GPIO_NUM_NC,
+            .ctsPin = GPIO_NUM_NC,
+            .rxBufferSize = 1024,
+            .txBufferSize = 1024,
+            .config = {
+                .baud_rate = 115200,
+                .data_bits = UART_DATA_8_BITS,
+                .parity    = UART_PARITY_DISABLE,
+                .stop_bits = UART_STOP_BITS_1,
+                .flow_ctrl = UART_HW_FLOWCTRL_DISABLE,
+                .rx_flow_ctrl_thresh = 0,
+                .source_clk = UART_SCLK_DEFAULT,
+                .flags = {
+                    .allow_pd = 0,
+                    .backup_before_sleep = 0,
+                }
+            }
+        },
+        // "UART1-OUT"
+        uart::Configuration {
+            .port = UART_NUM_1,
+            .initMode = uart::InitMode::Disabled, // Manual init
+            .canReinit = true,
+            .hasMutableConfiguration = false,
+            .rxPin = GPIO_NUM_18,
+            .txPin = GPIO_NUM_17,
+            .rtsPin = GPIO_NUM_NC,
+            .ctsPin = GPIO_NUM_NC,
+            .rxBufferSize = 1024,
+            .txBufferSize = 1024,
+            .config = {
+                .baud_rate = 115200,
+                .data_bits = UART_DATA_8_BITS,
+                .parity    = UART_PARITY_DISABLE,
+                .stop_bits = UART_STOP_BITS_1,
+                .flow_ctrl = UART_HW_FLOWCTRL_DISABLE,
+                .rx_flow_ctrl_thresh = 0,
+                .source_clk = UART_SCLK_DEFAULT,
+                .flags = {
+                    .allow_pd = 0,
+                    .backup_before_sleep = 0,
+                }
+            }
+        }
+    },
+    .gps = {}
+};

Boards/ElecrowCrowpanelAdvance28/Source/CrowPanelAdvance28.h

@@ -0,0 +1,5 @@
+#pragma once
+
+#include <Tactility/hal/Configuration.h>
+
+extern const tt::hal::Configuration crowpanel_advance_28;

Boards/ElecrowCrowpanelAdvance28/Source/hal/CrowPanelDisplay.cpp

@@ -0,0 +1,27 @@
+#include "CrowPanelDisplay.h"
+#include "CrowPanelDisplayConstants.h"
+#include "CrowPanelTouch.h"
+
+#include <St7789Display.h>
+#include <PwmBacklight.h>
+
+#include <Tactility/Log.h>
+
+#define TAG "crowpanel_display"
+
+std::shared_ptr<tt::hal::display::DisplayDevice> createDisplay() {
+    auto touch = std::make_shared<CrowPanelTouch>();
+
+    auto configuration = std::make_unique<St7789Display::Configuration>(
+        CROWPANEL_LCD_SPI_HOST,
+        CROWPANEL_LCD_PIN_CS,
+        CROWPANEL_LCD_PIN_DC,
+        320,
+        240,
+        touch
+    );
+
+    configuration->backlightDutyFunction = driver::pwmbacklight::setBacklightDuty;
+
+    return std::make_shared<St7789Display>(std::move(configuration));
+}

Boards/ElecrowCrowpanelAdvance28/Source/hal/CrowPanelDisplay.h

@@ -0,0 +1,40 @@
+#pragma once
+
+#include "Tactility/hal/display/DisplayDevice.h"
+#include <esp_lcd_types.h>
+#include <lvgl.h>
+
+class CrowPanelDisplay : public tt::hal::display::DisplayDevice {
+
+private:
+
+    esp_lcd_panel_io_handle_t ioHandle = nullptr;
+    esp_lcd_panel_handle_t panelHandle = nullptr;
+    lv_display_t* displayHandle = nullptr;
+    bool poweredOn = false;
+
+public:
+
+    std::string getName() const final { return "ST7789"; }
+    std::string getDescription() const final { return "SPI display"; }
+
+    bool start() override;
+
+    bool stop() override;
+
+    void setPowerOn(bool turnOn) override;
+    bool isPoweredOn() const override { return poweredOn; };
+    bool supportsPowerControl() const override { return true; }
+
+    std::shared_ptr<tt::hal::touch::TouchDevice> _Nullable createTouch() override;
+
+    void setBacklightDuty(uint8_t backlightDuty) override;
+    bool supportsBacklightDuty() const override { return true; }
+
+    void setGammaCurve(uint8_t index) override;
+    uint8_t getGammaCurveCount() const override { return 4; };
+
+    lv_display_t* _Nullable getLvglDisplay() const override { return displayHandle; }
+};
+
+std::shared_ptr<tt::hal::display::DisplayDevice> createDisplay();

Boards/ElecrowCrowpanelAdvance28/Source/hal/CrowPanelDisplayConstants.h

@@ -0,0 +1,17 @@
+#pragma once
+
+#define CROWPANEL_LCD_SPI_HOST SPI2_HOST
+#define CROWPANEL_LCD_PIN_CS GPIO_NUM_40
+#define CROWPANEL_LCD_PIN_DC GPIO_NUM_41 // RS
+#define CROWPANEL_LCD_HORIZONTAL_RESOLUTION 320
+#define CROWPANEL_LCD_VERTICAL_RESOLUTION 240
+#define CROWPANEL_LCD_BITS_PER_PIXEL 16
+#define CROWPANEL_LCD_SPI_TRANSFER_HEIGHT (CROWPANEL_LCD_VERTICAL_RESOLUTION / 10)
+
+// Backlight (PWM)
+#define CROWPANEL_LCD_BACKLIGHT_LEDC_TIMER LEDC_TIMER_0
+#define CROWPANEL_LCD_BACKLIGHT_LEDC_MODE LEDC_LOW_SPEED_MODE
+#define CROWPANEL_LCD_BACKLIGHT_LEDC_CHANNEL LEDC_CHANNEL_0
+#define CROWPANEL_LCD_BACKLIGHT_LEDC_DUTY_RES LEDC_TIMER_8_BIT
+#define CROWPANEL_LCD_BACKLIGHT_LEDC_FREQUENCY (4000)
+

Boards/ElecrowCrowpanelAdvance28/Source/hal/CrowPanelSdCard.cpp

@@ -0,0 +1,29 @@
+#include "CrowPanelSdCard.h"
+
+#include <Tactility/lvgl/LvglSync.h>
+#include <Tactility/hal/sdcard/SpiSdCardDevice.h>
+
+#include <esp_vfs_fat.h>
+
+using tt::hal::sdcard::SpiSdCardDevice;
+
+#define CROWPANEL_SDCARD_PIN_CS GPIO_NUM_7
+
+std::shared_ptr<SdCardDevice> createSdCard() {
+    auto* configuration = new SpiSdCardDevice::Config(
+        CROWPANEL_SDCARD_PIN_CS,
+        GPIO_NUM_NC,
+        GPIO_NUM_NC,
+        GPIO_NUM_NC,
+        SdCardDevice::MountBehaviour::AtBoot,
+        tt::lvgl::getSyncLock(),
+        {},
+        SPI3_HOST
+    );
+
+    auto* sdcard = (SdCardDevice*) new SpiSdCardDevice(
+        std::unique_ptr<SpiSdCardDevice::Config>(configuration)
+    );
+
+    return std::shared_ptr<SdCardDevice>(sdcard);
+}

Boards/ElecrowCrowpanelAdvance28/Source/hal/CrowPanelSdCard.h

@@ -0,0 +1,7 @@
+#pragma once
+
+#include "Tactility/hal/sdcard/SdCardDevice.h"
+
+using tt::hal::sdcard::SdCardDevice;
+
+std::shared_ptr<SdCardDevice> createSdCard();

Boards/ElecrowCrowpanelAdvance28/Source/hal/CrowPanelTouch.cpp

@@ -0,0 +1,85 @@
+#include "CrowPanelTouch.h"
+#include "esp_lcd_touch_ft5x06.h"
+
+#include <Tactility/Log.h>
+#include <esp_err.h>
+#include <esp_lvgl_port.h>
+
+#define TAG "crowpanel_touch"
+
+// Touch (GT911)
+#define CROWPANEL_TOUCH_I2C_BUS_HANDLE I2C_NUM_0
+#define CROWPANEL_TOUCH_X_MAX 240
+#define CROWPANEL_TOUCH_Y_MAX 320
+
+bool CrowPanelTouch::start(lv_display_t* display) {
+    esp_lcd_panel_io_i2c_config_t io_config = ESP_LCD_TOUCH_IO_I2C_FT5x06_CONFIG();
+
+    if (esp_lcd_new_panel_io_i2c(CROWPANEL_TOUCH_I2C_BUS_HANDLE, &io_config, &ioHandle) != ESP_OK) {
+        TT_LOG_E(TAG, "touch io i2c creation failed");
+        return false;
+    }
+
+    esp_lcd_touch_config_t config = {
+        .x_max = CROWPANEL_TOUCH_X_MAX,
+        .y_max = CROWPANEL_TOUCH_Y_MAX,
+        .rst_gpio_num = GPIO_NUM_NC, // GPIO_NUM_48,
+        .int_gpio_num = GPIO_NUM_NC, // GPIO_NUM_47,
+        .levels = {
+            .reset = 0,
+            .interrupt = 0,
+        },
+        .flags = {
+            .swap_xy = 1,
+            .mirror_x = 1,
+            .mirror_y = 0,
+        },
+        .process_coordinates = nullptr,
+        .interrupt_callback = nullptr,
+        .user_data = nullptr,
+        .driver_data = nullptr
+    };
+
+    if (esp_lcd_touch_new_i2c_ft5x06(ioHandle, &config, &touchHandle) != ESP_OK) {
+        TT_LOG_E(TAG, "GT911 driver init failed");
+        cleanup();
+        return false;
+    }
+
+    const lvgl_port_touch_cfg_t touch_cfg = {
+        .disp = display,
+        .handle = touchHandle,
+    };
+
+    TT_LOG_I(TAG, "Adding touch to LVGL");
+    deviceHandle = lvgl_port_add_touch(&touch_cfg);
+    if (deviceHandle == nullptr) {
+        TT_LOG_E(TAG, "Adding touch failed");
+        cleanup();
+        return false;
+    }
+
+    return true;
+}
+
+bool CrowPanelTouch::stop() {
+    cleanup();
+    return true;
+}
+
+void CrowPanelTouch::cleanup() {
+    if (deviceHandle != nullptr) {
+        lv_indev_delete(deviceHandle);
+        deviceHandle = nullptr;
+    }
+
+    if (touchHandle != nullptr) {
+        esp_lcd_touch_del(touchHandle);
+        touchHandle = nullptr;
+    }
+
+    if (ioHandle != nullptr) {
+        esp_lcd_panel_io_del(ioHandle);
+        ioHandle = nullptr;
+    }
+}

Boards/ElecrowCrowpanelAdvance28/Source/hal/CrowPanelTouch.h

@@ -0,0 +1,25 @@
+#pragma once
+
+#include "Tactility/hal/touch/TouchDevice.h"
+#include <Tactility/TactilityCore.h>
+#include <esp_lcd_panel_io_interface.h>
+#include <esp_lcd_touch.h>
+
+class CrowPanelTouch : public tt::hal::touch::TouchDevice {
+
+private:
+
+    std::string getName() const final { return "GT911"; }
+    std::string getDescription() const final { return "I2C Touch Driver"; }
+
+    esp_lcd_panel_io_handle_t _Nullable ioHandle = nullptr;
+    esp_lcd_touch_handle_t _Nullable touchHandle = nullptr;
+    lv_indev_t* _Nullable deviceHandle = nullptr;
+    void cleanup();
+
+public:
+
+    bool start(lv_display_t* display) override;
+    bool stop() override;
+    lv_indev_t* _Nullable getLvglIndev() override { return deviceHandle; }
+};

Boards/LilygoTdeck/CMakeLists.txt

@@ -3,5 +3,5 @@ file(GLOB_RECURSE SOURCE_FILES Source/*.c*)
 idf_component_register(
     SRCS ${SOURCE_FILES}
     INCLUDE_DIRS "Source"
-    REQUIRES Tactility esp_lvgl_port esp_lcd esp_lcd_touch_gt911 driver esp_adc
+    REQUIRES Tactility esp_lvgl_port esp_lcd esp_lcd_touch_gt911 ST7789 PwmBacklight driver esp_adc
 )

Boards/LilygoTdeck/Source/Init.cpp

@@ -1,4 +1,5 @@
-#include <driver/gpio.h>
+#include "PwmBacklight.h"
+
 #include <Tactility/TactilityCore.h>
 
 #define TAG "tdeck"
@@ -33,5 +34,10 @@ bool tdeckInit() {
         return false;
     }
 
+    if (!driver::pwmbacklight::init(GPIO_NUM_42)) {
+        TT_LOG_E(TAG, "Backlight init failed");
+        return false;
+    }
+
     return true;
 }

Boards/LilygoTdeck/Source/hal/TdeckDisplay.cpp

@@ -2,237 +2,26 @@
 #include "TdeckDisplayConstants.h"
 #include "TdeckTouch.h"
 
-#include <Tactility/Log.h>
+#include <PwmBacklight.h>
-#include <Tactility/TactilityCore.h>
+#include <St7789Display.h>
 
-#include <esp_lcd_panel_commands.h>
-#include <driver/ledc.h>
 #include <driver/spi_master.h>
-#include <esp_err.h>
-#include <esp_lcd_panel_ops.h>
-#include <esp_lcd_panel_vendor.h>
-#include <esp_lvgl_port.h>
 
 #define TAG "tdeck_display"
 
-static bool isBacklightInitialized = false;
-
-static bool initBacklight() {
-    TT_LOG_I(TAG, "Init backlight");
-    ledc_timer_config_t ledc_timer = {
-        .speed_mode = TDECK_LCD_BACKLIGHT_LEDC_MODE,
-        .duty_resolution = TDECK_LCD_BACKLIGHT_LEDC_DUTY_RES,
-        .timer_num = TDECK_LCD_BACKLIGHT_LEDC_TIMER,
-        .freq_hz = TDECK_LCD_BACKLIGHT_LEDC_FREQUENCY,
-        .clk_cfg = LEDC_AUTO_CLK,
-        .deconfigure = false
-    };
-
-    if (ledc_timer_config(&ledc_timer) != ESP_OK) {
-        TT_LOG_E(TAG, "Backlight led timer config failed");
-        return false;
-    }
-
-    return true;
-}
-
-static bool setBacklight(uint8_t duty) {
-    ledc_channel_config_t ledc_channel = {
-        .gpio_num = TDECK_LCD_PIN_BACKLIGHT,
-        .speed_mode = TDECK_LCD_BACKLIGHT_LEDC_MODE,
-        .channel = TDECK_LCD_BACKLIGHT_LEDC_CHANNEL,
-        .intr_type = LEDC_INTR_DISABLE,
-        .timer_sel = TDECK_LCD_BACKLIGHT_LEDC_TIMER,
-        .duty = duty,
-        .hpoint = 0,
-        .sleep_mode = LEDC_SLEEP_MODE_NO_ALIVE_NO_PD,
-        .flags = {
-            .output_invert = 0
-        }
-    };
-
-    // Setting the config in the timer init and then calling ledc_set_duty() doesn't work when
-    // the app is running. For an unknown reason we have to call this config method every time:
-    return ledc_channel_config(&ledc_channel) == ESP_OK;
-}
-
-bool TdeckDisplay::start() {
-    TT_LOG_I(TAG, "Starting");
-
-    const esp_lcd_panel_io_spi_config_t panel_io_config = {
-        .cs_gpio_num = TDECK_LCD_PIN_CS,
-        .dc_gpio_num = TDECK_LCD_PIN_DC,
-        .spi_mode = 0,
-        .pclk_hz = TDECK_LCD_SPI_FREQUENCY,
-        .trans_queue_depth = 10,
-        .on_color_trans_done = nullptr,
-        .user_ctx = nullptr,
-        .lcd_cmd_bits = 8,
-        .lcd_param_bits = 8,
-        .cs_ena_pretrans = 0,
-        .cs_ena_posttrans = 0,
-        .flags = {
-            .dc_high_on_cmd = 0,
-            .dc_low_on_data = 0,
-            .dc_low_on_param = 0,
-            .octal_mode = 0,
-            .quad_mode = 0,
-            .sio_mode = 1,
-            .lsb_first = 0,
-            .cs_high_active = 0,
-        }
-    };
-
-    if (esp_lcd_new_panel_io_spi((esp_lcd_spi_bus_handle_t)TDECK_LCD_SPI_HOST, &panel_io_config, &ioHandle) != ESP_OK) {
-        TT_LOG_E(TAG, "Failed to create panel IO");
-        return false;
-    }
-
-    const esp_lcd_panel_dev_config_t panel_config = {
-        .reset_gpio_num = GPIO_NUM_NC,
-        .rgb_ele_order = LCD_RGB_ELEMENT_ORDER_RGB,
-        .data_endian = LCD_RGB_DATA_ENDIAN_LITTLE,
-        .bits_per_pixel = TDECK_LCD_BITS_PER_PIXEL,
-        .flags = {
-            .reset_active_high = 0
-        },
-        .vendor_config = nullptr
-    };
-
-    if (esp_lcd_new_panel_st7789(ioHandle, &panel_config, &panelHandle) != ESP_OK) {
-        TT_LOG_E(TAG, "Failed to create panel");
-        return false;
-    }
-
-    if (esp_lcd_panel_reset(panelHandle) != ESP_OK) {
-        TT_LOG_E(TAG, "Failed to reset panel");
-        return false;
-    }
-
-    if (esp_lcd_panel_init(panelHandle) != ESP_OK) {
-        TT_LOG_E(TAG, "Failed to init panel");
-        return false;
-    }
-
-    if (esp_lcd_panel_invert_color(panelHandle, true) != ESP_OK) {
-        TT_LOG_E(TAG, "Failed to init panel");
-        return false;
-    }
-
-    if (esp_lcd_panel_swap_xy(panelHandle, true) != ESP_OK) {
-        TT_LOG_E(TAG, "Failed to swap XY ");
-        return false;
-    }
-
-    if (esp_lcd_panel_mirror(panelHandle, true, false) != ESP_OK) {
-        TT_LOG_E(TAG, "Failed to mirror panel");
-        return false;
-    }
-
-    if (esp_lcd_panel_disp_on_off(panelHandle, true) != ESP_OK) {
-        TT_LOG_E(TAG, "Failed to turn display on");
-        return false;
-    }
-
-    const lvgl_port_display_cfg_t disp_cfg = {
-        .io_handle = ioHandle,
-        .panel_handle = panelHandle,
-        .control_handle = nullptr,
-        .buffer_size = TDECK_LCD_HORIZONTAL_RESOLUTION * TDECK_LCD_DRAW_BUFFER_HEIGHT,
-        .double_buffer = false, // Disable to free up memory
-        .trans_size = 0,
-        .hres = TDECK_LCD_HORIZONTAL_RESOLUTION,
-        .vres = TDECK_LCD_VERTICAL_RESOLUTION,
-        .monochrome = false,
-        .rotation = {
-            .swap_xy = true,
-            .mirror_x = true,
-            .mirror_y = false,
-        },
-        .color_format = LV_COLOR_FORMAT_RGB565,
-        .flags = {
-            .buff_dma = true,
-            .buff_spiram = false,
-            .sw_rotate = false,
-            .swap_bytes = false,
-            .full_refresh = false,
-            .direct_mode = false
-        }
-    };
-
-    displayHandle = lvgl_port_add_disp(&disp_cfg);
-    TT_LOG_I(TAG, "Finished");
-    return displayHandle != nullptr;
-}
-
-bool TdeckDisplay::stop() {
-    assert(displayHandle != nullptr);
-
-    lvgl_port_remove_disp(displayHandle);
-
-    if (esp_lcd_panel_del(panelHandle) != ESP_OK) {
-        return false;
-    }
-
-    if (esp_lcd_panel_io_del(ioHandle) != ESP_OK) {
-        return false;
-    }
-
-    displayHandle = nullptr;
-    return true;
-
-}
-
-void TdeckDisplay::setPowerOn(bool turnOn) {
-    if (esp_lcd_panel_disp_on_off(panelHandle, turnOn) != ESP_OK) {
-        TT_LOG_E(TAG, "Failed to turn display on/off");
-    } else {
-        poweredOn = turnOn;
-    }
-}
-
-std::shared_ptr<tt::hal::touch::TouchDevice> _Nullable TdeckDisplay::createTouch() {
-    return std::make_shared<TdeckTouch>();
-}
-
-void TdeckDisplay::setBacklightDuty(uint8_t backlightDuty) {
-    if (!isBacklightInitialized) {
-        tt_check(initBacklight());
-        isBacklightInitialized = true;
-    }
-
-    if (!setBacklight(backlightDuty)) {
-        TT_LOG_E(TAG, "Failed to configure display backlight");
-    }
-}
-
-void TdeckDisplay::setGammaCurve(uint8_t index) {
-    uint8_t gamma_curve;
-    switch (index) {
-        case 0:
-            gamma_curve = 0x01;
-            break;
-        case 1:
-            gamma_curve = 0x04;
-            break;
-        case 2:
-            gamma_curve = 0x02;
-            break;
-        case 3:
-            gamma_curve = 0x08;
-            break;
-        default:
-            return;
-    }
-    const uint8_t param[] = {
-        gamma_curve
-    };
-
-    if (esp_lcd_panel_io_tx_param(ioHandle , LCD_CMD_GAMSET, param, 1) != ESP_OK) {
-        TT_LOG_E(TAG, "Failed to set gamma");
-    }
-}
-
 std::shared_ptr<tt::hal::display::DisplayDevice> createDisplay() {
-    return std::make_shared<TdeckDisplay>();
+    auto touch = std::make_shared<TdeckTouch>();
+
+    auto configuration = std::make_unique<St7789Display::Configuration>(
+        TDECK_LCD_SPI_HOST,
+        TDECK_LCD_PIN_CS,
+        TDECK_LCD_PIN_DC,
+        320,
+        240,
+        touch
+    );
+
+    configuration->backlightDutyFunction = driver::pwmbacklight::setBacklightDuty;
+
+    return std::make_shared<St7789Display>(std::move(configuration));
 }

Boards/LilygoTdeck/Source/hal/TdeckDisplay.h

@@ -15,7 +15,7 @@ private:
 
 public:
 
-    std::string getName() const final { return "ST7780"; }
+    std::string getName() const final { return "ST7789"; }
     std::string getDescription() const final { return "SPI display"; }
 
     bool start() override;

Boards/LilygoTdeck/Source/hal/TdeckDisplayConstants.h

@@ -3,18 +3,7 @@
 #define TDECK_LCD_SPI_HOST SPI2_HOST
 #define TDECK_LCD_PIN_CS GPIO_NUM_12
 #define TDECK_LCD_PIN_DC GPIO_NUM_11 // RS
-#define TDECK_LCD_PIN_BACKLIGHT GPIO_NUM_42
-#define TDECK_LCD_SPI_FREQUENCY 80000000
 #define TDECK_LCD_HORIZONTAL_RESOLUTION 320
 #define TDECK_LCD_VERTICAL_RESOLUTION 240
 #define TDECK_LCD_BITS_PER_PIXEL 16
-#define TDECK_LCD_DRAW_BUFFER_HEIGHT (TDECK_LCD_VERTICAL_RESOLUTION / 10)
 #define TDECK_LCD_SPI_TRANSFER_HEIGHT (TDECK_LCD_VERTICAL_RESOLUTION / 10)
-
-// Backlight (PWM)
-#define TDECK_LCD_BACKLIGHT_LEDC_TIMER LEDC_TIMER_0
-#define TDECK_LCD_BACKLIGHT_LEDC_MODE LEDC_LOW_SPEED_MODE
-#define TDECK_LCD_BACKLIGHT_LEDC_CHANNEL LEDC_CHANNEL_0
-#define TDECK_LCD_BACKLIGHT_LEDC_DUTY_RES LEDC_TIMER_8_BIT
-#define TDECK_LCD_BACKLIGHT_LEDC_FREQUENCY (4000)
-

Boards/LilygoTdeck/Source/hal/TdeckTouch.cpp

@@ -41,7 +41,7 @@ bool TdeckTouch::start(lv_display_t* display) {
     };
 
     if (esp_lcd_touch_new_i2c_gt911(ioHandle, &config, &touchHandle) != ESP_OK) {
-        TT_LOG_E(TAG, "GT199 driver init failed");
+        TT_LOG_E(TAG, "GT911 driver init failed");
         cleanup();
         return false;
     }

Buildscripts/build-and-release-all.sh

@@ -14,6 +14,9 @@ function releaseSdk() {
 
 SECONDS=0
 
+build elecrow-crowpanel-advance-28
+release elecrow-crowpanel-advance-28
+
 build lilygo-tdeck
 release lilygo-tdeck
 

CMakeLists.txt

@@ -42,6 +42,7 @@ if (DEFINED ENV{ESP_IDF_VERSION})
 
     # Non-ESP32-S3 boards
     if(NOT "${IDF_TARGET}" STREQUAL "esp32s3")
+        set(EXCLUDE_COMPONENTS "ElecrowCrowpanelAdvance28")
         set(EXCLUDE_COMPONENTS "LilygoTdeck")
         set(EXCLUDE_COMPONENTS "M5stackCoreS3")
         set(EXCLUDE_COMPONENTS "UnPhone")

Drivers/PwmBacklight/CMakeLists.txt

@@ -0,0 +1,5 @@
+idf_component_register(
+    SRC_DIRS "Source"
+    INCLUDE_DIRS "Source"
+    REQUIRES TactilityCore driver
+)

Drivers/PwmBacklight/README.md

@@ -0,0 +1,3 @@
+# PWM Backlight Driver
+
+A very basic driver to control an LCD panel backlight with a PWM signal.

Drivers/PwmBacklight/Source/PwmBacklight.cpp

@@ -0,0 +1,62 @@
+#include <Tactility/Log.h>
+#include <driver/ledc.h>
+#include <driver/gpio.h>
+
+#define TAG "pwm_backlight"
+
+namespace driver::pwmbacklight {
+
+static bool isBacklightInitialized = false;
+static gpio_num_t backlightPin = GPIO_NUM_NC;
+
+bool init(gpio_num_t pin) {
+    backlightPin = pin;
+
+    TT_LOG_I(TAG, "Init");
+    ledc_timer_config_t ledc_timer = {
+        .speed_mode = LEDC_LOW_SPEED_MODE,
+        .duty_resolution = LEDC_TIMER_8_BIT,
+        .timer_num = LEDC_TIMER_0,
+        .freq_hz = 4000,
+        .clk_cfg = LEDC_AUTO_CLK,
+        .deconfigure = false
+    };
+
+    if (ledc_timer_config(&ledc_timer) != ESP_OK) {
+        TT_LOG_E(TAG, "Timer config failed");
+        return false;
+    }
+
+    ledc_channel_config_t ledc_channel = {
+        .gpio_num = backlightPin,
+        .speed_mode = LEDC_LOW_SPEED_MODE,
+        .channel = LEDC_CHANNEL_0,
+        .intr_type = LEDC_INTR_DISABLE,
+        .timer_sel = LEDC_TIMER_0,
+        .duty = 0,
+        .hpoint = 0,
+        .sleep_mode = LEDC_SLEEP_MODE_NO_ALIVE_NO_PD,
+        .flags = {
+            .output_invert = 0
+        }
+    };
+
+    if (ledc_channel_config(&ledc_channel) != ESP_OK) {
+        TT_LOG_E(TAG, "Channel config failed");
+    }
+
+    isBacklightInitialized = true;
+
+    return true;
+}
+
+bool setBacklightDuty(uint8_t duty) {
+    if (!isBacklightInitialized) {
+        TT_LOG_E(TAG, "Not initialized");
+        return false;
+    }
+    return ledc_set_duty(LEDC_LOW_SPEED_MODE, LEDC_CHANNEL_0, duty) == ESP_OK &&
+    ledc_update_duty(LEDC_LOW_SPEED_MODE, LEDC_CHANNEL_0) == ESP_OK;
+}
+
+}

Drivers/PwmBacklight/Source/PwmBacklight.h

@@ -0,0 +1,11 @@
+#pragma once
+
+#include <driver/gpio.h>
+
+namespace driver::pwmbacklight {
+
+bool init(gpio_num_t pin);
+
+void setBacklightDuty(uint8_t duty);
+
+}

Drivers/ST7789/CMakeLists.txt

@@ -0,0 +1,5 @@
+idf_component_register(
+    SRC_DIRS "Source"
+    INCLUDE_DIRS "Source"
+    REQUIRES Tactility esp_lvgl_port esp_lcd driver
+)

Drivers/ST7789/README.md

@@ -0,0 +1,3 @@
+# ST7789
+
+A basic ESP32 LVGL driver for ST7789 displays.

Drivers/ST7789/Source/St7789Display.cpp

@@ -0,0 +1,180 @@
+#include "St7789Display.h"
+
+#include <Tactility/Log.h>
+
+#include <esp_lcd_panel_commands.h>
+#include <esp_lcd_panel_dev.h>
+#include <esp_lcd_panel_st7789.h>
+#include <esp_lvgl_port.h>
+
+#define TAG "st7789"
+
+bool St7789Display::start() {
+    TT_LOG_I(TAG, "Starting");
+
+    const esp_lcd_panel_io_spi_config_t panel_io_config = {
+        .cs_gpio_num = configuration->csPin,
+        .dc_gpio_num = configuration->dcPin,
+        .spi_mode = 0,
+        .pclk_hz = configuration->pixelClockFrequency,
+        .trans_queue_depth = configuration->transactionQueueDepth,
+        .on_color_trans_done = nullptr,
+        .user_ctx = nullptr,
+        .lcd_cmd_bits = 8,
+        .lcd_param_bits = 8,
+        .cs_ena_pretrans = 0,
+        .cs_ena_posttrans = 0,
+        .flags = {
+            .dc_high_on_cmd = 0,
+            .dc_low_on_data = 0,
+            .dc_low_on_param = 0,
+            .octal_mode = 0,
+            .quad_mode = 0,
+            .sio_mode = 1,
+            .lsb_first = 0,
+            .cs_high_active = 0
+        }
+    };
+
+    if (esp_lcd_new_panel_io_spi(configuration->spiBusHandle, &panel_io_config, &ioHandle) != ESP_OK) {
+        TT_LOG_E(TAG, "Failed to create panel");
+        return false;
+    }
+
+    const esp_lcd_panel_dev_config_t panel_config = {
+        .reset_gpio_num = configuration->resetPin,
+        .rgb_ele_order = LCD_RGB_ELEMENT_ORDER_RGB,
+        .data_endian = LCD_RGB_DATA_ENDIAN_LITTLE,
+        .bits_per_pixel = 16,
+        .flags = {
+            .reset_active_high = false
+        },
+        .vendor_config = nullptr
+    };
+
+    if (esp_lcd_new_panel_st7789(ioHandle, &panel_config, &panelHandle) != ESP_OK) {
+        TT_LOG_E(TAG, "Failed to create panel");
+        return false;
+    }
+
+    if (esp_lcd_panel_reset(panelHandle) != ESP_OK) {
+        TT_LOG_E(TAG, "Failed to reset panel");
+        return false;
+    }
+
+    if (esp_lcd_panel_init(panelHandle) != ESP_OK) {
+        TT_LOG_E(TAG, "Failed to init panel");
+        return false;
+    }
+
+    if (esp_lcd_panel_invert_color(panelHandle, true) != ESP_OK) {
+        TT_LOG_E(TAG, "Failed to set panel to invert");
+        return false;
+    }
+
+    if (esp_lcd_panel_swap_xy(panelHandle, true) != ESP_OK) {
+        TT_LOG_E(TAG, "Failed to swap XY ");
+        return false;
+    }
+
+    if (esp_lcd_panel_mirror(panelHandle, true, false) != ESP_OK) {
+        TT_LOG_E(TAG, "Failed to set panel to mirror");
+        return false;
+    }
+
+    if (esp_lcd_panel_disp_on_off(panelHandle, true) != ESP_OK) {
+        TT_LOG_E(TAG, "Failed to turn display on");
+        return false;
+    }
+    uint32_t buffer_size;
+    if (configuration->bufferSize == 0) {
+        buffer_size = configuration->horizontalResolution * configuration->verticalResolution / 10;
+    } else {
+        buffer_size = configuration->bufferSize;
+    }
+
+    const lvgl_port_display_cfg_t disp_cfg = {
+        .io_handle = ioHandle,
+        .panel_handle = panelHandle,
+        .control_handle = nullptr,
+        .buffer_size = buffer_size,
+        .double_buffer = false,
+        .trans_size = 0,
+        .hres = configuration->horizontalResolution,
+        .vres = configuration->verticalResolution,
+        .monochrome = false,
+        .rotation = {
+            .swap_xy = true,
+            .mirror_x = true,
+            .mirror_y = false,
+        },
+        .color_format = LV_COLOR_FORMAT_RGB565,
+        .flags = {
+            .buff_dma = true,
+            .buff_spiram = false,
+            .sw_rotate = false,
+            .swap_bytes = false,
+            .full_refresh = false,
+            .direct_mode = false
+        }
+    };
+
+    displayHandle = lvgl_port_add_disp(&disp_cfg);
+
+    TT_LOG_I(TAG, "Finished");
+    return displayHandle != nullptr;
+}
+
+bool St7789Display::stop() {
+    assert(displayHandle != nullptr);
+
+    lvgl_port_remove_disp(displayHandle);
+
+    if (esp_lcd_panel_del(panelHandle) != ESP_OK) {
+        return false;
+    }
+
+    if (esp_lcd_panel_io_del(ioHandle) != ESP_OK) {
+        return false;
+    }
+
+    displayHandle = nullptr;
+    return true;
+}
+
+/**
+ * Note:
+ * The datasheet implies this should work, but it doesn't:
+ * https://www.digikey.com/htmldatasheets/production/1640716/0/0/1/ILI9341-Datasheet.pdf
+ *
+ * This repo claims it only has 1 curve:
+ * https://github.com/brucemack/hello-ili9341
+ *
+ * I'm leaving it in as I'm not sure if it's just my hardware that's problematic.
+ */
+void St7789Display::setGammaCurve(uint8_t index) {
+    uint8_t gamma_curve;
+    switch (index) {
+        case 0:
+            gamma_curve = 0x01;
+            break;
+        case 1:
+            gamma_curve = 0x04;
+            break;
+        case 2:
+            gamma_curve = 0x02;
+            break;
+        case 3:
+            gamma_curve = 0x08;
+            break;
+        default:
+            return;
+    }
+    const uint8_t param[] = {
+        gamma_curve
+    };
+
+    if (esp_lcd_panel_io_tx_param(ioHandle , LCD_CMD_GAMSET, param, 1) != ESP_OK) {
+        TT_LOG_E(TAG, "Failed to set gamma");
+    }
+}

Drivers/ST7789/Source/St7789Display.h

@@ -0,0 +1,84 @@
+#pragma once
+
+#include "Tactility/hal/display/DisplayDevice.h"
+
+#include <driver/spi_common.h>
+#include <driver/gpio.h>
+#include <esp_lcd_panel_io.h>
+#include <esp_lcd_types.h>
+#include <functional>
+#include <lvgl.h>
+
+class St7789Display final : public tt::hal::display::DisplayDevice {
+
+public:
+
+    class Configuration {
+
+    public:
+
+        Configuration(
+            esp_lcd_spi_bus_handle_t spi_bus_handle,
+            gpio_num_t csPin,
+            gpio_num_t dcPin,
+            unsigned int horizontalResolution,
+            unsigned int verticalResolution,
+            std::shared_ptr<tt::hal::touch::TouchDevice> touch
+        ) : spiBusHandle(spi_bus_handle),
+            csPin(csPin),
+            dcPin(dcPin),
+            horizontalResolution(horizontalResolution),
+            verticalResolution(verticalResolution),
+            touch(std::move(touch))
+        {}
+
+        esp_lcd_spi_bus_handle_t spiBusHandle;
+        gpio_num_t csPin;
+        gpio_num_t dcPin;
+        gpio_num_t resetPin = GPIO_NUM_NC;
+        unsigned int pixelClockFrequency = 80'000'000; // Hertz
+        size_t transactionQueueDepth = 10;
+        unsigned int horizontalResolution;
+        unsigned int verticalResolution;
+        uint32_t bufferSize = 0; // Size in pixel count. 0 means default, which is 1/10 of the screen size
+        std::shared_ptr<tt::hal::touch::TouchDevice> touch;
+        std::function<void(uint8_t)> _Nullable backlightDutyFunction = nullptr;
+    };
+
+private:
+
+    std::unique_ptr<Configuration> configuration;
+    esp_lcd_panel_io_handle_t ioHandle = nullptr;
+    esp_lcd_panel_handle_t panelHandle = nullptr;
+    lv_display_t* displayHandle = nullptr;
+
+public:
+
+    explicit St7789Display(std::unique_ptr<Configuration> inConfiguration) : configuration(std::move(inConfiguration)) {
+        assert(configuration != nullptr);
+    }
+
+    std::string getName() const final { return "ST7789"; }
+    std::string getDescription() const final { return "ST7789 display"; }
+
+    bool start() final;
+
+    bool stop() final;
+
+    std::shared_ptr<tt::hal::touch::TouchDevice> _Nullable createTouch() final { return configuration->touch; }
+
+    void setBacklightDuty(uint8_t backlightDuty) final {
+        if (configuration->backlightDutyFunction != nullptr) {
+            configuration->backlightDutyFunction(backlightDuty);
+        }
+    }
+
+    bool supportsBacklightDuty() const final { return configuration->backlightDutyFunction != nullptr; }
+
+    void setGammaCurve(uint8_t index) final;
+    uint8_t getGammaCurveCount() const final { return 4; };
+
+    lv_display_t* _Nullable getLvglDisplay() const final { return displayHandle; }
+};
+
+std::shared_ptr<tt::hal::display::DisplayDevice> createDisplay();

Tactility/Source/app/boot/Boot.cpp

@@ -43,7 +43,11 @@ private:
         assert(hal_display != nullptr);
         if (hal_display->supportsBacklightDuty()) {
             int32_t backlight_duty = app::display::getBacklightDuty();
+            TT_LOG_I(TAG, "backlight %ld", backlight_duty);
             hal_display->setBacklightDuty(backlight_duty);
+        } else {
+
+            TT_LOG_I(TAG, "no backlight");
         }
 
         if (hal::usb::isUsbBootMode()) {

TactilityHeadless/Include/Tactility/hal/sdcard/SpiSdCardDevice.h

@@ -26,7 +26,7 @@ public:
             gpio_num_t spiPinWp,
             gpio_num_t spiPinInt,
             MountBehaviour mountBehaviourAtBoot,
-            std::shared_ptr<Lock> lockable = std::make_shared<Mutex>(),
+            std::shared_ptr<Lock> lock = std::make_shared<Mutex>(),
             std::vector<gpio_num_t> csPinWorkAround = std::vector<gpio_num_t>(),
             spi_host_device_t spiHost = SPI2_HOST,
             int spiFrequencyKhz = SDMMC_FREQ_DEFAULT
@@ -36,11 +36,11 @@ public:
             spiPinWp(spiPinWp),
             spiPinInt(spiPinInt),
             mountBehaviourAtBoot(mountBehaviourAtBoot),
-            lockable(std::move(lockable)),
+            lock(std::move(lock)),
             csPinWorkAround(std::move(csPinWorkAround)),
             spiHost(spiHost)
         {
-            assert(this->lockable != nullptr);
+            assert(this->lock != nullptr);
         }
 
         int spiFrequencyKhz;
@@ -49,7 +49,7 @@ public:
         gpio_num_t spiPinWp; // Write-protect
         gpio_num_t spiPinInt; // Interrupt
         SdCardDevice::MountBehaviour mountBehaviourAtBoot;
-        std::shared_ptr<Lock> _Nullable lockable;
+        std::shared_ptr<Lock> _Nullable lock;
         std::vector<gpio_num_t> csPinWorkAround;
         spi_host_device_t spiHost;
         bool formatOnMountFailed = false;
@@ -80,7 +80,7 @@ public:
     bool unmount() final;
     std::string getMountPath() const final { return mountPath; }
 
-    Lock& getLock() const final { return *config->lockable; }
+    Lock& getLock() const final { return *config->lock; }
 
     State getState() const override;
 

TactilityHeadless/Source/hal/sdcard/SpiSdCard.cpp

@@ -134,8 +134,8 @@ SdCardDevice::State SpiSdCardDevice::getState() const {
      * Writing and reading to the bus from 2 devices at the same time causes crashes.
      * This work-around ensures that this check is only happening when LVGL isn't rendering.
      */
-    if (config->lockable) {
+    if (config->lock) {
-        bool locked = config->lockable->lock(50); // TODO: Refactor to a more reliable locking mechanism
+        bool locked = config->lock->lock(50); // TODO: Refactor to a more reliable locking mechanism
         if (!locked) {
             TT_LOG_E(TAG, LOG_MESSAGE_MUTEX_LOCK_FAILED_FMT, "LVGL");
             return State::Unknown;
@@ -144,8 +144,8 @@ SdCardDevice::State SpiSdCardDevice::getState() const {
 
     bool result = sdmmc_get_status(card) == ESP_OK;
 
-    if (config->lockable) {
+    if (config->lock) {
-        config->lockable->unlock();
+        config->lock->unlock();
     }
 
     if (result) {

TactilityHeadless/Source/service/wifi/WifiEsp.cpp

@@ -381,7 +381,7 @@ static bool copy_scan_list(std::shared_ptr<Wifi> wifi) {
     }
 
     auto lock = wifi->dataMutex.asScopedLock();
-    if (lock.lock()) {
+    if (!lock.lock()) {
         return false;
     }
 

sdkconfig.board.elecrow-crowpanel-advance-28

@@ -0,0 +1,55 @@
+# Software defaults
+# Increase stack size for WiFi (fixes crash after scan)
+CONFIG_ESP_SYSTEM_EVENT_TASK_STACK_SIZE=3072
+CONFIG_LV_FONT_MONTSERRAT_14=y
+CONFIG_LV_FONT_MONTSERRAT_18=y
+CONFIG_LV_USE_USER_DATA=y
+CONFIG_LV_USE_FS_STDIO=y
+CONFIG_LV_FS_STDIO_LETTER=65
+CONFIG_LV_FS_STDIO_PATH=""
+CONFIG_LV_FS_STDIO_CACHE_SIZE=4096
+CONFIG_LV_USE_LODEPNG=y
+CONFIG_LV_USE_BUILTIN_MALLOC=n
+CONFIG_LV_USE_CLIB_MALLOC=y
+CONFIG_LV_USE_MSGBOX=n
+CONFIG_LV_USE_SPINNER=n
+CONFIG_LV_USE_WIN=n
+CONFIG_LV_USE_SNAPSHOT=y
+CONFIG_FREERTOS_HZ=1000
+CONFIG_FREERTOS_TASK_NOTIFICATION_ARRAY_ENTRIES=2
+CONFIG_FREERTOS_SMP=n
+CONFIG_FREERTOS_UNICORE=n
+CONFIG_FREERTOS_TIMER_TASK_STACK_DEPTH=4096
+CONFIG_FREERTOS_USE_TRACE_FACILITY=y
+CONFIG_PARTITION_TABLE_CUSTOM=y
+CONFIG_PARTITION_TABLE_CUSTOM_FILENAME="partitions.csv"
+CONFIG_PARTITION_TABLE_FILENAME="partitions.csv"
+CONFIG_ELF_LOADER_CUSTOMER_SYMBOLS=y
+CONFIG_FATFS_LFN_HEAP=y
+CONFIG_FATFS_VOLUME_COUNT=3
+
+# Hardware: Main
+CONFIG_TT_BOARD_ELECROW_CROWPANEL_ADVANCE_28=y
+CONFIG_TT_BOARD_NAME="CrowPanel Advance 2.8"
+CONFIG_TT_BOARD_ID="crowpanel-advance-28"
+CONFIG_IDF_EXPERIMENTAL_FEATURES=y
+CONFIG_IDF_TARGET="esp32s3"
+CONFIG_ESP_DEFAULT_CPU_FREQ_MHZ_240=y
+CONFIG_ESP32_DEFAULT_CPU_FREQ_240=y
+CONFIG_ESPTOOLPY_FLASHSIZE_16MB=y
+CONFIG_FLASHMODE_QIO=y
+# Hardware: SPI RAM
+CONFIG_ESP32S3_SPIRAM_SUPPORT=y
+CONFIG_SPIRAM_MODE_OCT=y
+CONFIG_SPIRAM_SPEED_120M=y
+CONFIG_SPIRAM_USE_MALLOC=y
+CONFIG_SPIRAM_TRY_ALLOCATE_WIFI_LWIP=y
+# SPI Flash (can set back to 80MHz after ESP-IDF bug is resolved)
+CONFIG_ESPTOOLPY_FLASHFREQ_120M=y
+# LVGL
+# TODO: Update DPI
+CONFIG_LV_DPI_DEF=139
+CONFIG_LV_DISP_DEF_REFR_PERIOD=10
+# USB
+CONFIG_TINYUSB_MSC_ENABLED=y
+CONFIG_TINYUSB_MSC_MOUNT_PATH="/sdcard"