Tab5 audio, I2C improvements, UiDensity moved to lvgl-module and cleanup (#506)

- UiDensity moved to lvgl-module
- Deleted tt_hal and tt_hal_gpio (breaks apps, but will fix those right after merging)
- Added I2C 8 bit register operations
- Added device.properties to simulator
- Improved Tab5 hardware init, implement audio
- Add README.md to kernel

Buildscripts/properties.cmake

@@ -21,3 +21,59 @@ function(GET_PROPERTY_FILE_CONTENT PROPERTY_FILE RESULT_VAR)
     set(${RESULT_VAR} "${file_content}" PARENT_SCOPE)
 endfunction()
 
+function(READ_PROPERTIES_TO_MAP PROPERTY_FILE RESULT_VAR)
+    get_filename_component(PROPERTY_FILE_ABS ${PROPERTY_FILE} ABSOLUTE)
+    if (NOT EXISTS ${PROPERTY_FILE_ABS})
+        message(FATAL_ERROR "Property file not found: ${PROPERTY_FILE}")
+    endif ()
+
+    file(STRINGS ${PROPERTY_FILE_ABS} lines)
+    set(current_section "")
+    set(map_content "")
+
+    foreach(line IN LISTS lines)
+        string(STRIP "${line}" line)
+        if (line STREQUAL "" OR line MATCHES "^#")
+            continue()
+        endif ()
+
+        if (line MATCHES "^\\[.*\\]$")
+            set(current_section "${line}")
+        elseif (line MATCHES "^([^=]+)=(.*)$")
+            set(key "${CMAKE_MATCH_1}")
+            set(value "${CMAKE_MATCH_2}")
+            string(STRIP "${key}" key)
+            string(STRIP "${value}" value)
+            # Remove optional quotes from value
+            if (value MATCHES "^\"(.*)\"$")
+                set(value "${CMAKE_MATCH_1}")
+            endif ()
+
+            list(APPEND map_content "${current_section}${key}" "${value}")
+        endif ()
+    endforeach()
+
+    set(${RESULT_VAR} "${map_content}" PARENT_SCOPE)
+endfunction()
+
+function(GET_VALUE_FROM_MAP MAP_VAR KEY_NAME RESULT_VAR)
+    list(FIND ${MAP_VAR} "${KEY_NAME}" key_index)
+    if (key_index EQUAL -1)
+        set(${RESULT_VAR} "" PARENT_SCOPE)
+        return()
+    endif ()
+
+    math(EXPR value_index "${key_index} + 1")
+    list(GET ${MAP_VAR} ${value_index} value)
+    set(${RESULT_VAR} "${value}" PARENT_SCOPE)
+endfunction()
+
+function(KEY_EXISTS_IN_MAP MAP_VAR KEY_NAME RESULT_VAR)
+    list(FIND ${MAP_VAR} "${KEY_NAME}" key_index)
+    if (key_index EQUAL -1)
+        set(${RESULT_VAR} FALSE PARENT_SCOPE)
+    else ()
+        set(${RESULT_VAR} TRUE PARENT_SCOPE)
+    endif ()
+endfunction()
+

Devices/heltec-wifi-lora-32-v3/Source/Configuration.cpp

@@ -44,6 +44,5 @@ static std::vector<std::shared_ptr<tt::hal::Device>> createDevices() {
 
 extern const Configuration hardwareConfiguration = {
     .initBoot = initBoot,
-    .uiDensity = UiDensity::Compact,
     .createDevices = createDevices
 };

Devices/heltec-wifi-lora-32-v3/device.properties

@@ -26,3 +26,4 @@ infoMessage=Due to the small size of the screen, the icons don't render properly
 theme=Mono
 colorDepth=16
 uiScale=70
+uiDensity=compact

Devices/lilygo-tdisplay/Source/Configuration.cpp

@@ -19,6 +19,5 @@ static std::vector<std::shared_ptr<tt::hal::Device>> createDevices() {
 
 extern const Configuration hardwareConfiguration = {
     .initBoot = initBoot,
-    .uiDensity = UiDensity::Compact,
     .createDevices = createDevices
 };

Devices/lilygo-tdisplay/device.properties

@@ -20,4 +20,4 @@ dpi=242
 
 [lvgl]
 colorDepth=16
-
+uiDensity=compact

Devices/lilygo-tdongle-s3/Source/Configuration.cpp

@@ -16,6 +16,5 @@ static std::vector<std::shared_ptr<tt::hal::Device>> createDevices() {
 
 extern const Configuration hardwareConfiguration = {
     .initBoot = initBoot,
-    .uiDensity = UiDensity::Compact,
     .createDevices = createDevices
 };

Devices/lilygo-tdongle-s3/device.properties

@@ -21,3 +21,4 @@ dpi=186
 
 [lvgl]
 colorDepth=16
+uiDensity=compact

Devices/m5stack-cardputer-adv/Source/Configuration.cpp

@@ -28,6 +28,5 @@ static DeviceVector createDevices() {
 
 extern const Configuration hardwareConfiguration = {
     .initBoot = initBoot,
-    .uiDensity = UiDensity::Compact,
     .createDevices = createDevices
 };

Devices/m5stack-cardputer-adv/device.properties

@@ -20,3 +20,4 @@ dpi=139
 
 [lvgl]
 colorDepth=16
+uiDensity=compact

Devices/m5stack-cardputer/Source/Configuration.cpp

@@ -26,6 +26,5 @@ static DeviceVector createDevices() {
 
 extern const Configuration hardwareConfiguration = {
     .initBoot = initBoot,
-    .uiDensity = UiDensity::Compact,
     .createDevices = createDevices
 };

Devices/m5stack-cardputer/device.properties

@@ -20,3 +20,4 @@ dpi=139
 
 [lvgl]
 colorDepth=16
+uiDensity=compact

Devices/m5stack-stickc-plus/Source/Configuration.cpp

@@ -25,6 +25,5 @@ static DeviceVector createDevices() {
 
 extern const Configuration hardwareConfiguration = {
     .initBoot = initBoot,
-    .uiDensity = UiDensity::Compact,
     .createDevices = createDevices
 };

Devices/m5stack-stickc-plus/device.properties

@@ -20,3 +20,4 @@ dpi=242
 
 [lvgl]
 colorDepth=16
+uiDensity=compact

Devices/m5stack-stickc-plus2/Source/Configuration.cpp

@@ -28,6 +28,5 @@ static DeviceVector createDevices() {
 
 extern const Configuration hardwareConfiguration = {
     .initBoot = initBoot,
-    .uiDensity = UiDensity::Compact,
     .createDevices = createDevices
 };

Devices/m5stack-stickc-plus2/device.properties

@@ -22,3 +22,4 @@ dpi=242
 
 [lvgl]
 colorDepth=16
+uiDensity=compact

Devices/m5stack-tab5/Source/Configuration.cpp

@@ -2,12 +2,14 @@
 #include "devices/SdCard.h"
 #include <driver/gpio.h>
 
+#include <tactility/drivers/i2c_controller.h>
+
 #include <Tactility/hal/Configuration.h>
 #include <Tactility/hal/i2c/I2c.h>
 
 using namespace tt::hal;
 
-static const auto LOGGER = tt::Logger("Tab5");
+static constexpr auto* TAG = "Tab5";
 
 static DeviceVector createDevices() {
     return {
@@ -16,7 +18,7 @@ static DeviceVector createDevices() {
     };
 }
 
-static bool initBoot() {
+static error_t initPower(::Device* i2c_controller) {
     /*
      PI4IOE5V6408-1 (0x43)
      - Bit 0: RF internal/external switch
@@ -63,26 +65,106 @@ static bool initBoot() {
     };
 
     constexpr auto IO_EXPANDER1_ADDRESS = 0x43;
-    if (!i2c::masterWriteRegisterArray(I2C_NUM_0, IO_EXPANDER1_ADDRESS, reg_data_io1_1, sizeof(reg_data_io1_1))) {
+    auto error = i2c_controller_write_register_array(i2c_controller, IO_EXPANDER1_ADDRESS, reg_data_io1_1, sizeof(reg_data_io1_1), pdMS_TO_TICKS(100));
-        LOGGER.error("IO expander 1 init failed in phase 1");
+    if (error != ERROR_NONE) {
-        return false;
+        LOG_E(TAG, "IO expander 1 init failed in phase 1");
+        return ERROR_UNDEFINED;
     }
 
     constexpr auto IO_EXPANDER2_ADDRESS = 0x44;
-    if (!i2c::masterWriteRegisterArray(I2C_NUM_0, IO_EXPANDER2_ADDRESS, reg_data_io2, sizeof(reg_data_io2))) {
+    error = i2c_controller_write_register_array(i2c_controller, IO_EXPANDER2_ADDRESS, reg_data_io2, sizeof(reg_data_io2), pdMS_TO_TICKS(100));
-        LOGGER.error("IO expander 2 init failed");
+    if (error != ERROR_NONE) {
-        return false;
+        LOG_E(TAG, "IO expander 2 init failed");
+        return ERROR_UNDEFINED;
     }
 
     // The M5Stack code applies this, but it's not known why
     // TODO: Remove and test it extensively
     tt::kernel::delayTicks(10);
 
-    if (!i2c::masterWriteRegisterArray(I2C_NUM_0, IO_EXPANDER1_ADDRESS, reg_data_io1_2, sizeof(reg_data_io1_2))) {
+    error = i2c_controller_write_register_array(i2c_controller, IO_EXPANDER1_ADDRESS, reg_data_io1_2, sizeof(reg_data_io1_2), pdMS_TO_TICKS(100));
-        LOGGER.error("IO expander 1 init failed in phase 2");
+    if (error != ERROR_NONE) {
+        LOG_E(TAG, "IO expander 1 init failed in phase 2");
+        return ERROR_UNDEFINED;
+    }
+
+    return ERROR_NONE;
+}
+
+static error_t initSound(::Device* i2c_controller) {
+    // Init data from M5Unified:
+    // https://github.com/m5stack/M5Unified/blob/master/src/M5Unified.cpp
+    static constexpr uint8_t ES8388_I2C_ADDR = 0x10;
+    static constexpr uint8_t ENABLED_BULK_DATA[] = {
+        0, 0x80, // RESET/ CSM POWER ON
+        0, 0x00,
+        0, 0x00,
+        0, 0x0E,
+        1, 0x00,
+        2, 0x0A, // CHIP POWER: power up all
+        3, 0xFF, // ADC POWER: power down all
+        4, 0x3C, // DAC POWER: power up and LOUT1/ROUT1/LOUT2/ROUT2 enable
+        5, 0x00, // ChipLowPower1
+        6, 0x00, // ChipLowPower2
+        7, 0x7C, // VSEL
+        8, 0x00, // set I2S slave mode
+        // reg9-22 == adc
+        23, 0x18, // I2S format (16bit)
+        24, 0x00, // I2S MCLK ratio (128)
+        25, 0x20, // DAC unmute
+        26, 0x00, // LDACVOL 0x00~0xC0
+        27, 0x00, // RDACVOL 0x00~0xC0
+        28, 0x08, // enable digital click free power up and down
+        29, 0x00,
+        38, 0x00, // DAC CTRL16
+        39, 0xB8, // LEFT Ch MIX
+        42, 0xB8, // RIGHTCh MIX
+        43, 0x08, // ADC and DAC separate
+        45, 0x00, //   0x00=1.5k VREF analog output / 0x10=40kVREF analog output
+        46, 0x21,
+        47, 0x21,
+        48, 0x21,
+        49, 0x21
+    };
+
+    error_t error = i2c_controller_write_register_array(
+        i2c_controller,
+        ES8388_I2C_ADDR,
+        ENABLED_BULK_DATA,
+        sizeof(ENABLED_BULK_DATA),
+        pdMS_TO_TICKS(1000)
+    );
+    if (error != ERROR_NONE) {
+        LOG_E(TAG, "Failed to enable ES8388: %s", error_to_string(error));
+        return error;
+    }
+
+    constexpr auto IO_EXPANDER1_ADDRESS = 0x43;
+    constexpr auto AMP_REGISTER = 0x05;
+    // Note: to disable the amplifier, reset the bits
+    error = i2c_controller_register8_set_bits(i2c_controller, IO_EXPANDER1_ADDRESS, AMP_REGISTER, 0b00000010, pdMS_TO_TICKS(100));
+    if (error != ERROR_NONE) {
+        LOG_E(TAG, "Failed to enable amplifier: %s", error_to_string(error));
+        return error;
+    }
+
+    return ERROR_NONE;
+}
+
+static bool initBoot() {
+    auto* i2c0 = device_find_by_name("i2c0");
+    check(i2c0, "i2c0 not found");
+
+    auto error = initPower(i2c0);
+    if (error != ERROR_NONE) {
         return false;
     }
 
+    error = initSound(i2c0);
+    if (error != ERROR_NONE) {
+        LOG_E(TAG, "Failed to enable ES8388");
+    }
+
     return true;
 }
 

Devices/m5stack-tab5/m5stack,tab5.dts

@@ -3,6 +3,7 @@
 #include <tactility/bindings/root.h>
 #include <tactility/bindings/esp32_gpio.h>
 #include <tactility/bindings/esp32_i2c.h>
+#include <tactility/bindings/esp32_i2s.h>
 #include <tactility/bindings/esp32_spi.h>
 
 / {
@@ -14,7 +15,7 @@
 		gpio-count = <57>;
 	};
 
-	i2c_internal {
+	i2c_internal: i2c0 {
 		compatible = "espressif,esp32-i2c";
 		port = <I2C_NUM_0>;
 		clock-frequency = <400000>;
@@ -22,7 +23,7 @@
 		pin-scl = <&gpio0 32 GPIO_FLAG_NONE>;
 	};
 
-	i2c_port_a {
+	i2c_port_a: i2c1 {
 		compatible = "espressif,esp32-i2c";
 		port = <I2C_NUM_1>;
 		clock-frequency = <400000>;
@@ -37,4 +38,15 @@
 		pin-miso = <&gpio0 39 GPIO_FLAG_NONE>;
 		pin-sclk = <&gpio0 43 GPIO_FLAG_NONE>;
 	};
+
+	// ES8388 and ES7210
+	i2s0 {
+		compatible = "espressif,esp32-i2s";
+		port = <I2S_NUM_0>;
+		pin-bclk = <&gpio0 27 GPIO_FLAG_NONE>;
+		pin-ws = <&gpio0 29 GPIO_FLAG_NONE>;
+		pin-data-out = <&gpio0 26 GPIO_FLAG_NONE>;
+		pin-data-in = <&gpio0 28 GPIO_FLAG_NONE>;
+		pin-mclk = <&gpio0 30 GPIO_FLAG_NONE>;
+	};
 };

Devices/simulator/device.properties

@@ -0,0 +1,13 @@
+[general]
+vendor=Simulator
+name=Tab5Simulator
+
+[apps]
+launcherAppId=Launcher
+
+[hardware]
+target=POSIX
+
+[lvgl]
+colorDepth=16
+fontSize=14

Devices/waveshare-esp32-s3-geek/Source/Configuration.cpp

@@ -21,6 +21,5 @@ static bool initBoot() {
 
 extern const Configuration hardwareConfiguration = {
     .initBoot = initBoot,
-    .uiDensity = UiDensity::Compact,
     .createDevices = createDevices
 };

Devices/waveshare-esp32-s3-geek/device.properties

@@ -23,6 +23,7 @@ dpi=143
 
 [lvgl]
 colorDepth=16
+uiDensity=compact
 
 [sdkconfig]
 # Fix error "PSRAM space not enough for the Flash instructions" on boot:

Devices/waveshare-s3-lcd-13/Source/Configuration.cpp

@@ -20,6 +20,5 @@ static bool initBoot() {
 
 extern const Configuration hardwareConfiguration = {
     .initBoot = initBoot,
-    .uiDensity = UiDensity::Compact,
     .createDevices = createDevices
 };

Devices/waveshare-s3-lcd-13/device.properties

@@ -23,3 +23,4 @@ dpi=261
 
 [lvgl]
 colorDepth=16
+uiDensity=compact

Devices/waveshare-s3-touch-lcd-128/Source/Configuration.cpp

@@ -20,6 +20,5 @@ static bool initBoot() {
 
 extern const Configuration hardwareConfiguration = {
     .initBoot = initBoot,
-    .uiDensity = UiDensity::Compact,
     .createDevices = createDevices
 };

Devices/waveshare-s3-touch-lcd-128/device.properties

@@ -23,6 +23,7 @@ dpi=265
 
 [lvgl]
 colorDepth=16
+uiDensity=compact
 
 [sdkconfig]
 # Fix error "PSRAM space not enough for the Flash instructions" on boot:

Devices/waveshare-s3-touch-lcd-147/Source/Configuration.cpp

@@ -16,6 +16,5 @@ static std::vector<std::shared_ptr<tt::hal::Device>> createDevices() {
 
 extern const Configuration hardwareConfiguration = {
     .initBoot = initBoot,
-    .uiDensity = UiDensity::Compact,
     .createDevices = createDevices
 };

Devices/waveshare-s3-touch-lcd-147/device.properties

@@ -26,3 +26,4 @@ warningMessage=Touch doesn't work yet
 
 [lvgl]
 colorDepth=16
+uiDensity=compact

Modules/lvgl-module/CMakeLists.txt

@@ -1,7 +1,7 @@
 cmake_minimum_required(VERSION 3.20)
 
 # ####################################
-# Read properties
+# Read sdkconfig properties
 # ####################################
 
 include("${CMAKE_CURRENT_LIST_DIR}/../../Buildscripts/properties.cmake")
@@ -33,6 +33,34 @@ message(" - statusbar: ${statusbar_symbol_size}")
 message(" - launcher: ${launcher_symbol_size}")
 message(" - shared: ${shared_symbol_size}")
 
+# ####################################
+# Read device properties
+# ####################################
+
+# Load device.properties as a map
+get_property(TACTILITY_DEVICE_ID GLOBAL PROPERTY TACTILITY_DEVICE_ID)
+READ_PROPERTIES_TO_MAP(
+    "${CMAKE_CURRENT_LIST_DIR}/../../Devices/${TACTILITY_DEVICE_ID}/device.properties"
+    device_properties
+)
+# Read UI density
+GET_VALUE_FROM_MAP(device_properties "[lvgl]uiDensity" ui_density)
+# Define UiDensity enum value
+if (ui_density)
+    if (ui_density STREQUAL "default")
+        set(ui_density_variable "LVGL_UI_DENSITY_DEFAULT")
+    elseif (ui_density STREQUAL "compact")
+        set(ui_density_variable "LVGL_UI_DENSITY_COMPACT")
+    else ()
+        message(FATAL_ERROR "Invalid [lvgl]uiDensity: '${ui_density}'. Must be either 'default' or 'compact'")
+    endif ()
+    message("UI density set to '${ui_density}' via properties")
+else ()
+    set(ui_density "default")
+    set(ui_density_variable "LVGL_UI_DENSITY_DEFAULT")
+    message("UI density set to default: ${ui_density}")
+endif ()
+
 # ####################################
 # Create module
 # ####################################
@@ -66,17 +94,22 @@ tactility_add_module(lvgl-module
 tactility_get_module_name("lvgl-module" MODULE_NAME)
 
 target_compile_definitions(${MODULE_NAME} PUBLIC
+    # Ensure it loads <lvgl.h>
     "-DLV_LVGL_H_INCLUDE_SIMPLE"
+    # Text fonts
     "-DTT_LVGL_TEXT_FONT_SMALL_SIZE=${font_size_small}"
     "-DTT_LVGL_TEXT_FONT_SMALL_SYMBOL=lv_font_montserrat_${font_size_small}"
     "-DTT_LVGL_TEXT_FONT_DEFAULT_SIZE=${font_size_default}"
     "-DTT_LVGL_TEXT_FONT_DEFAULT_SYMBOL=lv_font_montserrat_${font_size_default}"
     "-DTT_LVGL_TEXT_FONT_LARGE_SIZE=${font_size_large}"
     "-DTT_LVGL_TEXT_FONT_LARGE_SYMBOL=lv_font_montserrat_${font_size_large}"
+    # Icon fonts
     "-DTT_LVGL_STATUSBAR_FONT_ICON_SIZE=${statusbar_symbol_size}"
     "-DTT_LVGL_STATUSBAR_FONT_ICON_SYMBOL=material_symbols_statusbar_${statusbar_symbol_size}"
     "-DTT_LVGL_LAUNCHER_FONT_ICON_SIZE=${launcher_symbol_size}"
     "-DTT_LVGL_LAUNCHER_FONT_ICON_SYMBOL=material_symbols_launcher_${launcher_symbol_size}"
     "-DTT_LVGL_SHARED_FONT_ICON_SIZE=${shared_symbol_size}"
     "-DTT_LVGL_SHARED_FONT_ICON_SYMBOL=material_symbols_shared_${shared_symbol_size}"
+    # UiDensity
+    "-DTT_LVGL_UI_DENSITY=${ui_density_variable}"
 )

Modules/lvgl-module/include/tactility/lvgl_module.h

@@ -16,6 +16,14 @@ extern "C" {
 #include <stdint.h>
 #include <stdbool.h>
 
+/** Affects LVGL widget style */
+enum UiDensity {
+    /** Ideal for very small non-touch screen devices (e.g. Waveshare S3 LCD 1.3") */
+    LVGL_UI_DENSITY_COMPACT,
+    /** Nothing was changed in the LVGL UI/UX */
+    LVGL_UI_DENSITY_DEFAULT
+};
+
 /**
  * @brief The LVGL module instance.
  */
@@ -86,6 +94,14 @@ void lvgl_unlock(void);
  */
 bool lvgl_is_running(void);
 
+/**
+ * @brief Gets the desired UI density for the target hardware.
+ * The density is defined in the `device.properties` of a hardware device.
+ * This setting is read by CMakeLists.txt and passed as a target compile definition of the LVGL module.
+ * @return the UI density
+ */
+enum UiDensity lvgl_get_ui_density(void);
+
 #ifdef __cplusplus
 }
 #endif

Modules/lvgl-module/source/arch/lvgl_posix.c

@@ -10,7 +10,7 @@
 
 #include <lvgl.h>
 
-#include "tactility/lvgl_module.h"
+#include <tactility/lvgl_module.h>
 
 extern struct LvglModuleConfig lvgl_module_config;
 

Modules/lvgl-module/source/module.c

@@ -60,6 +60,10 @@ bool lvgl_is_running() {
     return is_running;
 }
 
+enum UiDensity lvgl_get_ui_density(void) {
+    return TT_LVGL_UI_DENSITY;
+}
+
 struct Module lvgl_module = {
     .name = "lvgl",
     .start = start,

Modules/lvgl-module/source/symbols.c

@@ -11,6 +11,7 @@ const struct ModuleSymbol lvgl_module_symbols[] = {
     DEFINE_MODULE_SYMBOL(lvgl_try_lock),
     DEFINE_MODULE_SYMBOL(lvgl_unlock),
     DEFINE_MODULE_SYMBOL(lvgl_is_running),
+    DEFINE_MODULE_SYMBOL(lvgl_get_ui_density),
     // lvgl_fonts
     DEFINE_MODULE_SYMBOL(lvgl_get_shared_icon_font),
     DEFINE_MODULE_SYMBOL(lvgl_get_shared_icon_font_height),

Platforms/platform-esp32/source/drivers/esp32_i2c.cpp

@@ -237,7 +237,7 @@ static error_t stop(Device* device) {
     return ERROR_NONE;
 }
 
-const static I2cControllerApi esp32_i2c_api = {
+static constexpr I2cControllerApi ESP32_I2C_API = {
     .read = read,
     .write = write,
     .write_read = write_read,
@@ -245,14 +245,14 @@ const static I2cControllerApi esp32_i2c_api = {
     .write_register = write_register
 };
 
-extern struct Module platform_module;
+extern Module platform_module;
 
 Driver esp32_i2c_driver = {
     .name = "esp32_i2c",
     .compatible = (const char*[]) { "espressif,esp32-i2c", nullptr },
     .start_device = start,
     .stop_device = stop,
-    .api = (void*)&esp32_i2c_api,
+    .api = &ESP32_I2C_API,
     .device_type = &I2C_CONTROLLER_TYPE,
     .owner = &platform_module,
     .internal = nullptr

Tactility/Include/Tactility/hal/Configuration.h

@@ -12,23 +12,12 @@ typedef std::vector<std::shared_ptr<Device>> DeviceVector;
 
 typedef std::shared_ptr<Device> (*CreateDevice)();
 
-/** Affects LVGL widget style */
-enum class UiDensity {
-    /** Ideal for very small non-touch screen devices (e.g. Waveshare S3 LCD 1.3") */
-    Compact,
-    /** Nothing was changed in the LVGL UI/UX */
-    Default
-};
-
 struct Configuration {
     /**
      * Used for powering on the peripherals manually.
      */
     const InitBoot initBoot = nullptr;
 
-    /** Modify LVGL widget size */
-    const UiDensity uiDensity = UiDensity::Default;
-
     const std::function<DeviceVector()> createDevices = [] { return DeviceVector(); };
 };
 

Tactility/Source/app/display/Display.cpp

@@ -12,6 +12,7 @@
 #include <Tactility/settings/DisplaySettings.h>
 
 #include <lvgl.h>
+#include <tactility/lvgl_module.h>
 
 namespace tt::app::display {
 
@@ -122,7 +123,7 @@ public:
 
     void onShow(AppContext& app, lv_obj_t* parent) override {
         displaySettings = settings::display::loadOrGetDefault();
-        auto ui_density = hal::getConfiguration()->uiDensity;
+        auto ui_density = lvgl_get_ui_density();
 
         lv_obj_set_flex_flow(parent, LV_FLEX_FLOW_COLUMN);
         lv_obj_set_style_pad_row(parent, 0, LV_STATE_DEFAULT);
@@ -144,7 +145,7 @@ public:
             lv_obj_set_size(brightness_wrapper, LV_PCT(100), LV_SIZE_CONTENT);
             lv_obj_set_style_pad_hor(brightness_wrapper, 0, LV_STATE_DEFAULT);
             lv_obj_set_style_border_width(brightness_wrapper, 0, LV_STATE_DEFAULT);
-            if (ui_density != hal::UiDensity::Compact) {
+            if (ui_density != LVGL_UI_DENSITY_COMPACT) {
                 lv_obj_set_style_pad_ver(brightness_wrapper, 4, LV_STATE_DEFAULT);
             }
 
@@ -168,7 +169,7 @@ public:
             lv_obj_set_size(gamma_wrapper, LV_PCT(100), LV_SIZE_CONTENT);
             lv_obj_set_style_pad_hor(gamma_wrapper, 0, LV_STATE_DEFAULT);
             lv_obj_set_style_border_width(gamma_wrapper, 0, LV_STATE_DEFAULT);
-            if (ui_density != hal::UiDensity::Compact) {
+            if (ui_density != LVGL_UI_DENSITY_COMPACT) {
                 lv_obj_set_style_pad_ver(gamma_wrapper, 4, LV_STATE_DEFAULT);
             }
 

Tactility/Source/app/launcher/Launcher.cpp

@@ -12,13 +12,14 @@
 
 #include <tactility/lvgl_fonts.h>
 #include <tactility/lvgl_icon_launcher.h>
+#include <tactility/lvgl_module.h>
 
 namespace tt::app::launcher {
 
 static const auto LOGGER = Logger("Launcher");
 
-static uint32_t getButtonPadding(hal::UiDensity density, uint32_t buttonSize) {
+static uint32_t getButtonPadding(UiDensity density, uint32_t buttonSize) {
-    if (density == hal::UiDensity::Compact) {
+    if (density == LVGL_UI_DENSITY_COMPACT) {
         return 0;
     } else {
         return buttonSize / 8;
@@ -27,7 +28,7 @@ static uint32_t getButtonPadding(hal::UiDensity density, uint32_t buttonSize) {
 
 class LauncherApp final : public App {
 
-    static lv_obj_t* createAppButton(lv_obj_t* parent, hal::UiDensity uiDensity, const char* imageFile, const char* appId, int32_t itemMargin, bool isLandscape) {
+    static lv_obj_t* createAppButton(lv_obj_t* parent, UiDensity uiDensity, const char* imageFile, const char* appId, int32_t itemMargin, bool isLandscape) {
         const auto button_size = lvgl_get_launcher_icon_font_height();
         const auto button_padding = getButtonPadding(uiDensity, button_size);
         auto* apps_button = lv_button_create(parent);
@@ -119,7 +120,7 @@ public:
     void onShow(AppContext& app, lv_obj_t* parent) override {
         auto* buttons_wrapper = lv_obj_create(parent);
 
-        auto ui_density = hal::getConfiguration()->uiDensity;
+        auto ui_density = lvgl_get_ui_density();
         const auto button_size = lvgl_get_launcher_icon_font_height();
         const auto button_padding = getButtonPadding(ui_density, button_size);
         const auto total_button_size = button_size + (button_padding * 2);

Tactility/Source/app/systeminfo/SystemInfo.cpp

@@ -1,19 +1,20 @@
 #include <Tactility/TactilityConfig.h>
 #include <Tactility/lvgl/LvglSync.h>
 #include <Tactility/lvgl/Toolbar.h>
-
 #include <Tactility/hal/sdcard/SdCardDevice.h>
 #include <Tactility/Tactility.h>
 #include <Tactility/Timer.h>
 
 #include <algorithm>
+#include <cstring>
 #include <format>
 #include <lvgl.h>
-#include <tactility/lvgl_fonts.h>
-#include <tactility/hal/Device.h>
-#include <tactility/lvgl_icon_shared.h>
 #include <utility>
-#include <cstring>
+
+#include <tactility/hal/Device.h>
+#include <tactility/lvgl_fonts.h>
+#include <tactility/lvgl_icon_shared.h>
+#include <tactility/lvgl_module.h>
 
 #ifdef ESP_PLATFORM
 #include <esp_vfs_fat.h>
@@ -150,7 +151,7 @@ static MemoryBarWidgets createMemoryBar(lv_obj_t* parent, const char* label) {
     lv_obj_set_width(bottom_label, LV_PCT(100));
     lv_obj_set_style_text_align(bottom_label, LV_TEXT_ALIGN_RIGHT, 0);
 
-    if (hal::getConfiguration()->uiDensity == hal::UiDensity::Compact) {
+    if (lvgl_get_ui_density() == LVGL_UI_DENSITY_COMPACT) {
         lv_obj_set_style_pad_bottom(bottom_label, 2, LV_STATE_DEFAULT);
     } else {
         lv_obj_set_style_pad_bottom(bottom_label, 12, LV_STATE_DEFAULT);

Tactility/Source/app/trackball/TrackballSettings.cpp

@@ -1,13 +1,13 @@
 #ifdef ESP_PLATFORM
 
-#include <Tactility/Tactility.h>
-
-#include <Tactility/settings/TrackballSettings.h>
-#include <Tactility/lvgl/Toolbar.h>
-
 #include <lvgl.h>
 
 #include <tactility/lvgl_icon_shared.h>
+#include <tactility/lvgl_module.h>
+
+#include <Tactility/Tactility.h>
+#include <Tactility/settings/TrackballSettings.h>
+#include <Tactility/lvgl/Toolbar.h>
 
 // Forward declare driver functions
 namespace trackball {
@@ -109,7 +109,7 @@ class TrackballSettingsApp final : public App {
 public:
     void onShow(AppContext& app, lv_obj_t* parent) override {
         tbSettings = settings::trackball::loadOrGetDefault();
-        auto ui_density = hal::getConfiguration()->uiDensity;
+        auto ui_density = lvgl_get_ui_density();
         updated = false;
 
         lv_obj_set_flex_flow(parent, LV_FLEX_FLOW_COLUMN);
@@ -154,7 +154,7 @@ public:
         lv_obj_set_size(enc_sens_wrapper, LV_PCT(100), LV_SIZE_CONTENT);
         lv_obj_set_style_pad_hor(enc_sens_wrapper, 0, LV_STATE_DEFAULT);
         lv_obj_set_style_border_width(enc_sens_wrapper, 0, LV_STATE_DEFAULT);
-        if (ui_density != hal::UiDensity::Compact) {
+        if (ui_density != LVGL_UI_DENSITY_COMPACT) {
             lv_obj_set_style_pad_ver(enc_sens_wrapper, 4, LV_STATE_DEFAULT);
         }
 
@@ -178,7 +178,7 @@ public:
         lv_obj_set_size(ptr_sens_wrapper, LV_PCT(100), LV_SIZE_CONTENT);
         lv_obj_set_style_pad_hor(ptr_sens_wrapper, 0, LV_STATE_DEFAULT);
         lv_obj_set_style_border_width(ptr_sens_wrapper, 0, LV_STATE_DEFAULT);
-        if (ui_density != hal::UiDensity::Compact) {
+        if (ui_density != LVGL_UI_DENSITY_COMPACT) {
             lv_obj_set_style_pad_ver(ptr_sens_wrapper, 4, LV_STATE_DEFAULT);
         }
 

Tactility/Source/app/wifimanage/View.cpp

@@ -1,5 +1,10 @@
-#include <Tactility/network/HttpdReq.h>
+#include <format>
+#include <string>
+#include <set>
 
+#include <tactility/lvgl_module.h>
+
+#include <Tactility/network/HttpdReq.h>
 #include <Tactility/app/wifimanage/View.h>
 #include <Tactility/app/wifimanage/WifiManagePrivate.h>
 #include <Tactility/Logger.h>
@@ -9,10 +14,6 @@
 #include <Tactility/service/wifi/WifiSettings.h>
 #include <Tactility/Tactility.h>
 
-#include <format>
-#include <string>
-#include <set>
-
 namespace tt::app::wifimanage {
 
 static const auto LOGGER = Logger("WifiManageView");
@@ -162,7 +163,7 @@ void View::updateNetworkList() {
     lv_obj_add_event_cb(enable_on_boot_switch, onEnableOnBootSwitchChanged, LV_EVENT_VALUE_CHANGED, bindings);
     lv_obj_add_event_cb(enable_on_boot_wrapper, onEnableOnBootParentClicked, LV_EVENT_SHORT_CLICKED, enable_on_boot_switch);
 
-    if (hal::getConfiguration()->uiDensity == hal::UiDensity::Compact) {
+    if (lvgl_get_ui_density() == LVGL_UI_DENSITY_COMPACT) {
         lv_obj_set_style_pad_ver(enable_on_boot_wrapper, 2, LV_STATE_DEFAULT);
     } else {
         lv_obj_set_style_pad_ver(enable_on_boot_wrapper, 8, LV_STATE_DEFAULT);

Tactility/Source/lvgl/Statusbar.cpp

@@ -14,6 +14,7 @@
 
 #include <tactility/check.h>
 #include <tactility/lvgl_fonts.h>
+#include <tactility/lvgl_module.h>
 
 #include <lvgl.h>
 
@@ -172,8 +173,8 @@ lv_obj_t* statusbar_create(lv_obj_t* parent) {
     lv_obj_set_flex_flow(obj, LV_FLEX_FLOW_ROW);
     lv_obj_set_flex_align(obj, LV_FLEX_ALIGN_CENTER, LV_FLEX_ALIGN_CENTER, LV_FLEX_ALIGN_CENTER);
     auto icon_size = lvgl_get_statusbar_icon_font_height();
-    auto ui_density = hal::getConfiguration()->uiDensity;
+    auto ui_density = lvgl_get_ui_density();
-    auto icon_padding = (ui_density != hal::UiDensity::Compact) ? static_cast<uint32_t>(icon_size * 0.2f) : 2;
+    auto icon_padding = (ui_density != LVGL_UI_DENSITY_COMPACT) ? static_cast<uint32_t>(icon_size * 0.2f) : 2;
     lv_obj_set_style_pad_column(obj, icon_padding, LV_STATE_DEFAULT);
 
     statusbar->time = lv_label_create(obj);

Tactility/Source/lvgl/Toolbar.cpp

@@ -2,41 +2,43 @@
 
 #include <Tactility/Tactility.h>
 #include <Tactility/lvgl/Toolbar.h>
+
 #include <Tactility/lvgl/Spinner.h>
 #include <Tactility/service/loader/Loader.h>
 
 #include <tactility/check.h>
 #include <tactility/lvgl_fonts.h>
+#include <tactility/lvgl_module.h>
 
 namespace tt::lvgl {
 
-static uint32_t getToolbarHeight(hal::UiDensity uiDensity) {
+static uint32_t getToolbarHeight(UiDensity uiDensity) {
-    if (uiDensity == hal::UiDensity::Compact) {
+    if (uiDensity == LVGL_UI_DENSITY_COMPACT) {
         return lvgl_get_text_font_height(FONT_SIZE_DEFAULT) * 1.4f;
     } else {
         return lvgl_get_text_font_height(FONT_SIZE_LARGE) * 2.2f;
     }
 }
 
-static const _lv_font_t* getToolbarFont(hal::UiDensity uiDensity) {
+static const _lv_font_t* getToolbarFont(UiDensity uiDensity) {
-    if (uiDensity == hal::UiDensity::Compact) {
+    if (uiDensity == LVGL_UI_DENSITY_COMPACT) {
         return lvgl_get_text_font(FONT_SIZE_DEFAULT);
     } else {
         return lvgl_get_text_font(FONT_SIZE_LARGE);
     }
 }
 
-static uint32_t getActionIconPadding(hal::UiDensity ui_density) {
+static uint32_t getActionIconPadding(UiDensity uiDensity) {
-    auto toolbar_height = getToolbarHeight(ui_density);
+    auto toolbar_height = getToolbarHeight(uiDensity);
     // Minimal 8 pixels total padding for selection/animation (4+4 pixels)
-    return (ui_density != hal::UiDensity::Compact) ? (uint32_t)(toolbar_height * 0.2f) : 8;
+    return (uiDensity != LVGL_UI_DENSITY_COMPACT) ? (uint32_t)(toolbar_height * 0.2f) : 8;
 }
 
 /**
  * Helps with button expansion and also with vertical alignment of content,
  * as the parent flex doesn't allow for vertical alignment
  */
-static lv_obj_t* create_action_wrapper(lv_obj_t* parent, hal::UiDensity ui_density) {
+static lv_obj_t* create_action_wrapper(lv_obj_t* parent, UiDensity ui_density) {
     auto* wrapper = lv_obj_create(parent);
     auto toolbar_height = getToolbarHeight(ui_density);
     lv_obj_set_size(wrapper, LV_SIZE_CONTENT, toolbar_height);
@@ -89,7 +91,7 @@ static void toolbar_constructor(const lv_obj_class_t* class_p, lv_obj_t* obj) {
 }
 
 lv_obj_t* toolbar_create(lv_obj_t* parent, const std::string& title) {
-    auto ui_density = hal::getConfiguration()->uiDensity;
+    auto ui_density = lvgl_get_ui_density();
     auto toolbar_height = getToolbarHeight(ui_density);
     toolbar_class.height_def = toolbar_height;
     lv_obj_t* obj = lv_obj_class_create_obj(&toolbar_class, parent);
@@ -109,7 +111,7 @@ lv_obj_t* toolbar_create(lv_obj_t* parent, const std::string& title) {
     auto* close_button_wrapper = create_action_wrapper(obj, ui_density);
 
     toolbar->close_button = lv_button_create(close_button_wrapper);
-    if (ui_density == hal::UiDensity::Compact) {
+    if (ui_density == LVGL_UI_DENSITY_COMPACT) {
         lv_obj_set_style_bg_opa(toolbar->close_button, LV_OPA_TRANSP, LV_STATE_DEFAULT);
     }
 
@@ -121,8 +123,8 @@ lv_obj_t* toolbar_create(lv_obj_t* parent, const std::string& title) {
     lv_obj_align(toolbar->close_button_image, LV_ALIGN_CENTER, 0, 0);
 
     auto* title_wrapper = lv_obj_create(obj);
-    uint32_t title_left_padding = (ui_density != hal::UiDensity::Compact) ? icon_padding : 2;
+    uint32_t title_left_padding = (ui_density != LVGL_UI_DENSITY_COMPACT) ? icon_padding : 2;
-    uint32_t title_right_padding = (ui_density != hal::UiDensity::Compact) ? (icon_padding / 2) : 2;
+    uint32_t title_right_padding = (ui_density != LVGL_UI_DENSITY_COMPACT) ? (icon_padding / 2) : 2;
     lv_obj_set_size(title_wrapper, LV_SIZE_CONTENT, LV_PCT(100));
     lv_obj_set_style_bg_opa(title_wrapper, 0, LV_STATE_DEFAULT);
     lv_obj_set_style_pad_left(title_wrapper, title_left_padding, LV_STATE_DEFAULT);
@@ -179,7 +181,7 @@ lv_obj_t* toolbar_add_button_action(lv_obj_t* obj, const char* imageOrButton, bo
     check(toolbar->action_count < TOOLBAR_ACTION_LIMIT, "max actions reached");
     toolbar->action_count++;
 
-    auto ui_density = hal::getConfiguration()->uiDensity;
+    auto ui_density = lvgl_get_ui_density();
     auto toolbar_height = getToolbarHeight(ui_density);
 
     auto* wrapper = create_action_wrapper(toolbar->action_container, ui_density);
@@ -190,7 +192,7 @@ lv_obj_t* toolbar_add_button_action(lv_obj_t* obj, const char* imageOrButton, bo
     lv_obj_set_size(action_button, toolbar_height - padding, toolbar_height - padding);
     lv_obj_set_style_pad_all(action_button, 0, LV_STATE_DEFAULT);
     lv_obj_align(action_button, LV_ALIGN_CENTER, 0, 0);
-    if (ui_density == hal::UiDensity::Compact) {
+    if (ui_density == LVGL_UI_DENSITY_COMPACT) {
         lv_obj_set_style_bg_opa(action_button, LV_OPA_TRANSP, LV_STATE_DEFAULT);
     }
 
@@ -219,7 +221,7 @@ lv_obj_t* toolbar_add_text_button_action(lv_obj_t* obj, const char* text, lv_eve
 lv_obj_t* toolbar_add_switch_action(lv_obj_t* obj) {
     auto* toolbar = reinterpret_cast<Toolbar*>(obj);
 
-    auto ui_density = hal::getConfiguration()->uiDensity;
+    auto ui_density = lvgl_get_ui_density();
     auto* wrapper = create_action_wrapper(toolbar->action_container, ui_density);
     lv_obj_set_style_pad_hor(wrapper, 4, LV_STATE_DEFAULT);
 
@@ -231,7 +233,7 @@ lv_obj_t* toolbar_add_switch_action(lv_obj_t* obj) {
 lv_obj_t* toolbar_add_spinner_action(lv_obj_t* obj) {
     auto* toolbar = reinterpret_cast<Toolbar*>(obj);
 
-    auto ui_density = hal::getConfiguration()->uiDensity;
+    auto ui_density = lvgl_get_ui_density();
     auto* wrapper = create_action_wrapper(toolbar->action_container, ui_density);
 
     auto* spinner = spinner_create(wrapper);

Tactility/Source/lvgl/wrappers/button.cpp

@@ -1,9 +1,9 @@
 #ifdef ESP_PLATFORM
 
-#include <Tactility/Tactility.h>
-
 #include <lvgl.h>
 
+#include <tactility/lvgl_module.h>
+
 extern "C" {
 
 extern lv_obj_t* __real_lv_button_create(lv_obj_t* parent);
@@ -11,7 +11,7 @@ extern lv_obj_t* __real_lv_button_create(lv_obj_t* parent);
 lv_obj_t* __wrap_lv_button_create(lv_obj_t* parent) {
     auto button = __real_lv_button_create(parent);
 
-    if (tt::hal::getConfiguration()->uiDensity == tt::hal::UiDensity::Compact) {
+    if (lvgl_get_ui_density() == LVGL_UI_DENSITY_COMPACT) {
         lv_obj_set_style_pad_all(button, 2, LV_STATE_DEFAULT);
         lv_obj_set_style_radius(button, 3, LV_STATE_DEFAULT);
     }

Tactility/Source/lvgl/wrappers/dropdown.cpp

@@ -1,9 +1,9 @@
 #ifdef ESP_PLATFORM
 
-#include <Tactility/Tactility.h>
-
 #include <lvgl.h>
 
+#include <tactility/lvgl_module.h>
+
 extern "C" {
 
 extern lv_obj_t* __real_lv_dropdown_create(lv_obj_t* parent);
@@ -11,7 +11,7 @@ extern lv_obj_t* __real_lv_dropdown_create(lv_obj_t* parent);
 lv_obj_t* __wrap_lv_dropdown_create(lv_obj_t* parent) {
     auto dropdown = __real_lv_dropdown_create(parent);
 
-    if (tt::hal::getConfiguration()->uiDensity == tt::hal::UiDensity::Compact) {
+    if (lvgl_get_ui_density() == LVGL_UI_DENSITY_COMPACT) {
         lv_obj_set_style_pad_all(dropdown, 2, LV_STATE_DEFAULT);
     }
 

Tactility/Source/lvgl/wrappers/list.cpp

@@ -1,9 +1,9 @@
 #ifdef ESP_PLATFORM
 
-#include <Tactility/Tactility.h>
-
 #include <lvgl.h>
 
+#include <tactility/lvgl_module.h>
+
 extern "C" {
 
 extern lv_obj_t* __real_lv_list_create(lv_obj_t* parent);
@@ -12,7 +12,7 @@ extern lv_obj_t* __real_lv_list_add_button(lv_obj_t* list, const void* icon, con
 lv_obj_t* __wrap_lv_list_create(lv_obj_t* parent) {
     auto* list = __real_lv_list_create(parent);
 
-    if (tt::hal::getConfiguration()->uiDensity == tt::hal::UiDensity::Compact) {
+    if (lvgl_get_ui_density() == LVGL_UI_DENSITY_COMPACT) {
         lv_obj_set_style_pad_row(list, 2, LV_STATE_DEFAULT);
         lv_obj_set_style_pad_column(list, 2, LV_STATE_DEFAULT);
         lv_obj_set_style_pad_all(list, 2, LV_STATE_DEFAULT);
@@ -24,7 +24,7 @@ lv_obj_t* __wrap_lv_list_create(lv_obj_t* parent) {
 lv_obj_t* __wrap_lv_list_add_button(lv_obj_t* list, const void* icon, const char* txt) {
     auto* button = __real_lv_list_add_button(list, icon, txt);
 
-    if (tt::hal::getConfiguration()->uiDensity == tt::hal::UiDensity::Compact) {
+    if (lvgl_get_ui_density() == LVGL_UI_DENSITY_COMPACT) {
         lv_obj_set_style_pad_ver(button, 2, LV_STATE_DEFAULT);
     }
 

Tactility/Source/lvgl/wrappers/obj.cpp

@@ -1,9 +1,9 @@
 #ifdef ESP_PLATFORM
 
-#include <Tactility/Tactility.h>
-
 #include <lvgl.h>
 
+#include <tactility/lvgl_module.h>
+
 extern "C" {
 
 extern void __real_lv_obj_set_flex_flow(lv_obj_t* obj, lv_flex_flow_t flow);
@@ -12,14 +12,14 @@ extern lv_obj_t* __real_lv_obj_create(lv_obj_t* parent);
 void __wrap_lv_obj_set_flex_flow(lv_obj_t* obj, lv_flex_flow_t flow) {
     __real_lv_obj_set_flex_flow(obj, flow);
 
-    if (tt::hal::getConfiguration()->uiDensity == tt::hal::UiDensity::Compact) {
+    if (lvgl_get_ui_density() == LVGL_UI_DENSITY_COMPACT) {
         lv_obj_set_style_pad_gap(obj, 4, LV_STATE_DEFAULT);
     }
 }
 
 lv_obj_t* __wrap_lv_obj_create(lv_obj_t* parent) {
     auto obj = __real_lv_obj_create(parent);
-    if (tt::hal::getConfiguration()->uiDensity == tt::hal::UiDensity::Compact) {
+    if (lvgl_get_ui_density() == LVGL_UI_DENSITY_COMPACT) {
         lv_obj_set_style_pad_all(obj, 2, LV_STATE_DEFAULT);
         lv_obj_set_style_pad_gap(obj, 2, LV_STATE_DEFAULT);
         lv_obj_set_style_radius(obj, 3, LV_STATE_DEFAULT);

Tactility/Source/lvgl/wrappers/switch.cpp

@@ -1,9 +1,9 @@
 #ifdef ESP_PLATFORM
 
-#include <Tactility/Tactility.h>
-
 #include <lvgl.h>
 
+#include <tactility/lvgl_module.h>
+
 extern "C" {
 
 extern lv_obj_t* __real_lv_switch_create(lv_obj_t* parent);
@@ -11,7 +11,7 @@ extern lv_obj_t* __real_lv_switch_create(lv_obj_t* parent);
 lv_obj_t* __wrap_lv_switch_create(lv_obj_t* parent) {
     auto widget = __real_lv_switch_create(parent);
 
-    if (tt::hal::getConfiguration()->uiDensity == tt::hal::UiDensity::Compact) {
+    if (lvgl_get_ui_density() == LVGL_UI_DENSITY_COMPACT) {
         lv_obj_set_style_size(widget, 25, 15, LV_STATE_DEFAULT);
     }
 

Tactility/Source/lvgl/wrappers/textarea.cpp

@@ -1,8 +1,10 @@
 #ifdef ESP_PLATFORM
 
-#include <Tactility/app/App.h>
+#include <lvgl.h>
+
+#include <tactility/lvgl_module.h>
+
 #include <Tactility/service/gui/GuiService.h>
-#include <Tactility/Tactility.h>
 
 extern "C" {
 
@@ -11,7 +13,7 @@ extern lv_obj_t* __real_lv_textarea_create(lv_obj_t* parent);
 lv_obj_t* __wrap_lv_textarea_create(lv_obj_t* parent) {
     auto textarea = __real_lv_textarea_create(parent);
 
-    if (tt::hal::getConfiguration()->uiDensity == tt::hal::UiDensity::Compact) {
+    if (lvgl_get_ui_density() == LVGL_UI_DENSITY_COMPACT) {
         lv_obj_set_style_pad_all(textarea, 2, LV_STATE_DEFAULT);
     }
 

TactilityC/Include/tt_hal.h

@@ -1,32 +0,0 @@
-#pragma once
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-/** Affects LVGL widget style */
-typedef enum {
-    /** Ideal for very small non-touch screen devices (e.g. Waveshare S3 LCD 1.3") */
-    UiDensityCompact,
-    /** Nothing was changed in the LVGL UI/UX */
-    UiDensityDefault
-} UiDensity;
-
-/** @deprecated use UiDensity */
-typedef enum {
-    UiScaleSmallest, // UiDensityCompact
-    UiScaleDefault // UiDensityDefault
-} UiScale;
-
-/**
- * @deprecated Use UiDensity
- * @return the UI scaling setting for this device.
- */
-UiScale tt_hal_configuration_get_ui_scale();
-
-/** @return the UI scaling setting for this device. */
-UiDensity tt_hal_configuration_get_ui_density();
-
-#ifdef __cplusplus
-}
-#endif

TactilityC/Source/tt_hal.cpp

@@ -1,18 +0,0 @@
-#include "tt_hal.h"
-
-#include <Tactility/Tactility.h>
-#include <Tactility/hal/Configuration.h>
-
-extern "C" {
-
-UiDensity tt_hal_configuration_get_ui_density() {
-    auto density = tt::hal::getConfiguration()->uiDensity;
-    return static_cast<UiDensity>(density);
-}
-
-UiScale tt_hal_configuration_get_ui_scale() {
-    auto density = tt::hal::getConfiguration()->uiDensity;
-    return static_cast<UiScale>(density);
-}
-
-}

TactilityC/Source/tt_hal_gpio.cpp

@@ -1,18 +0,0 @@
-#include "tt_hal_gpio.h"
-#include <Tactility/hal/gpio/Gpio.h>
-#include <tactility/device.h>
-#include <tactility/drivers/gpio_controller.h>
-
-extern "C" {
-
-using namespace tt::hal;
-
-bool tt_hal_gpio_get_level(GpioPin pin) {
-    return false;
-}
-
-int tt_hal_gpio_get_pin_count() {
-    return 0;
-}
-
-}

TactilityC/Source/tt_init.cpp

@@ -5,10 +5,8 @@
 #include "tt_app_selectiondialog.h"
 #include "tt_bundle.h"
 #include "tt_gps.h"
-#include "tt_hal.h"
 #include "tt_hal_device.h"
 #include "tt_hal_display.h"
-#include "tt_hal_gpio.h"
 #include "tt_hal_touch.h"
 #include "tt_hal_uart.h"
 #include <tt_lock.h>
@@ -272,8 +270,6 @@ const esp_elfsym main_symbols[] {
     ESP_ELFSYM_EXPORT(tt_bundle_put_string),
     ESP_ELFSYM_EXPORT(tt_gps_has_coordinates),
     ESP_ELFSYM_EXPORT(tt_gps_get_coordinates),
-    ESP_ELFSYM_EXPORT(tt_hal_configuration_get_ui_scale),
-    ESP_ELFSYM_EXPORT(tt_hal_configuration_get_ui_density),
     ESP_ELFSYM_EXPORT(tt_hal_device_find),
     ESP_ELFSYM_EXPORT(tt_hal_display_driver_alloc),
     ESP_ELFSYM_EXPORT(tt_hal_display_driver_draw_bitmap),
@@ -284,8 +280,6 @@ const esp_elfsym main_symbols[] {
     ESP_ELFSYM_EXPORT(tt_hal_display_driver_lock),
     ESP_ELFSYM_EXPORT(tt_hal_display_driver_unlock),
     ESP_ELFSYM_EXPORT(tt_hal_display_driver_supported),
-    ESP_ELFSYM_EXPORT(tt_hal_gpio_get_level),
-    ESP_ELFSYM_EXPORT(tt_hal_gpio_get_pin_count),
     ESP_ELFSYM_EXPORT(tt_hal_touch_driver_supported),
     ESP_ELFSYM_EXPORT(tt_hal_touch_driver_alloc),
     ESP_ELFSYM_EXPORT(tt_hal_touch_driver_free),

TactilityKernel/README.md

@@ -0,0 +1,21 @@
+# TactilityKernel
+
+TactilityKernel is the core component of the Tactility project, providing a hardware abstraction layer (HAL) and essential kernel services for embedded systems.
+
+## Features
+
+- **Device and Driver Model**: A flexible system for managing hardware devices and their corresponding drivers.
+- **Peripheral Support**: Standard interfaces for common peripherals:
+    - GPIO (General Purpose Input/Output)
+    - I2C (Inter-Integrated Circuit)
+    - I2S (Inter-IC Sound)
+    - SPI (Serial Peripheral Interface)
+    - UART (Universal Asynchronous Receiver-Transmitter)
+- **Concurrency Primitives**: Built-in support for multi-threaded environments, including:
+    - Threads and Dispatchers
+    - Mutexes and Recursive Mutexes
+    - Event Groups
+    - Timers
+- **Module System**: Support for loadable modules that can export symbols and provide runtime-extensible functionality.
+- **Device Tree Integration**: Utilizes a devicetree-like system for hardware configuration and initialization.
+- **Cross-Platform**: Designed to run on both embedded platforms (such as ESP32) and desktop environments (Linux) for simulation and testing.

TactilityKernel/include/tactility/drivers/i2c_controller.h

@@ -163,6 +163,50 @@ error_t i2c_controller_write_register_array(struct Device* device, uint8_t addre
  */
 error_t i2c_controller_has_device_at_address(struct Device* device, uint8_t address, TickType_t timeout);
 
+/**
+ * @brief Sets the value of an 8-bit register of an I2C device.
+ * @param[in] device the I2C controller device
+ * @param[in] address the 7-bit I2C address of the slave device
+ * @param[in] reg the register address to set
+ * @param[in] value the value to set the register to
+ * @param[in] timeout the maximum time to wait for the operation to complete
+ * @retval ERROR_NONE when the write operation was successful
+ */
+error_t i2c_controller_register8_set(struct Device* device, uint8_t address, uint8_t reg, uint8_t value, TickType_t timeout);
+
+/**
+ * @brief Gets the value of an 8-bit register of an I2C device.
+ * @param[in] device the I2C controller device
+ * @param[in] address the 7-bit I2C address of the slave device
+ * @param[in] reg the register address to get
+ * @param[out] value a pointer to the variable to store the register value
+ * @param[in] timeout the maximum time to wait for the operation to complete
+ * @retval ERROR_NONE when the read operation was successful
+ */
+error_t i2c_controller_register8_get(struct Device* device, uint8_t address, uint8_t reg, uint8_t* value, TickType_t timeout);
+
+/**
+ * @brief Sets specific bits in an 8-bit register of an I2C device.
+ * @param[in] device the I2C controller device
+ * @param[in] address the 7-bit I2C address of the slave device
+ * @param[in] reg the register address
+ * @param[in] bits_to_set a bitmask of bits to set (set to 1)
+ * @param[in] timeout the maximum time to wait for the operation to complete
+ * @retval ERROR_NONE when the operation was successful
+ */
+error_t i2c_controller_register8_set_bits(struct Device* device, uint8_t address, uint8_t reg, uint8_t bits_to_set, TickType_t timeout);
+
+/**
+ * @brief Resets specific bits in an 8-bit register of an I2C device.
+ * @param[in] device the I2C controller device
+ * @param[in] address the 7-bit I2C address of the slave device
+ * @param[in] reg the register address
+ * @param[in] bits_to_reset a bitmask of bits to reset (set to 0)
+ * @param[in] timeout the maximum time to wait for the operation to complete
+ * @retval ERROR_NONE when the operation was successful
+ */
+error_t i2c_controller_register8_reset_bits(struct Device* device, uint8_t address, uint8_t reg, uint8_t bits_to_reset, TickType_t timeout);
+
 extern const struct DeviceType I2C_CONTROLLER_TYPE;
 
 #ifdef __cplusplus

TactilityKernel/source/drivers/i2c_controller.cpp

@@ -31,6 +31,34 @@ error_t i2c_controller_write_register(Device* device, uint8_t address, uint8_t r
     return I2C_DRIVER_API(driver)->write_register(device, address, reg, data, dataSize, timeout);
 }
 
+error_t i2c_controller_register8_set(Device* device, uint8_t address, uint8_t reg, uint8_t value, TickType_t timeout) {
+    const auto* driver = device_get_driver(device);
+    return I2C_DRIVER_API(driver)->write_register(device, address, reg, &value, 1, timeout);
+}
+
+error_t i2c_controller_register8_get(Device* device, uint8_t address, uint8_t reg, uint8_t* value, TickType_t timeout) {
+    const auto* driver = device_get_driver(device);
+    return I2C_DRIVER_API(driver)->read_register(device, address, reg, value, 1, timeout);
+}
+
+error_t i2c_controller_register8_set_bits(Device* device, uint8_t address, uint8_t reg, uint8_t bits_to_set, TickType_t timeout) {
+    const auto* driver = device_get_driver(device);
+    uint8_t data = 0;
+    auto error = I2C_DRIVER_API(driver)->read_register(device, address, reg, &data, 1, timeout);
+    if (error != ERROR_NONE) return error;
+    data |= bits_to_set;
+    return I2C_DRIVER_API(driver)->write_register(device, address, reg, &data, 1, timeout);
+}
+
+error_t i2c_controller_register8_reset_bits(Device* device, uint8_t address, uint8_t reg, uint8_t bits_to_reset, TickType_t timeout) {
+    const auto* driver = device_get_driver(device);
+    uint8_t data = 0;
+    auto error = I2C_DRIVER_API(driver)->read_register(device, address, reg, &data, 1, timeout);
+    if (error != ERROR_NONE) return error;
+    data &= ~bits_to_reset;
+    return I2C_DRIVER_API(driver)->write_register(device, address, reg, &data, 1, timeout);
+}
+
 error_t i2c_controller_write_register_array(Device* device, uint8_t address, const uint8_t* data, uint16_t dataSize, TickType_t timeout) {
     const auto* driver = device_get_driver(device);
     if (dataSize % 2 != 0) {

TactilityKernel/source/kernel_symbols.c

@@ -80,6 +80,10 @@ const struct ModuleSymbol KERNEL_SYMBOLS[] = {
     DEFINE_MODULE_SYMBOL(i2c_controller_write_register),
     DEFINE_MODULE_SYMBOL(i2c_controller_write_register_array),
     DEFINE_MODULE_SYMBOL(i2c_controller_has_device_at_address),
+    DEFINE_MODULE_SYMBOL(i2c_controller_register8_set),
+    DEFINE_MODULE_SYMBOL(i2c_controller_register8_get),
+    DEFINE_MODULE_SYMBOL(i2c_controller_register8_set_bits),
+    DEFINE_MODULE_SYMBOL(i2c_controller_register8_reset_bits),
     DEFINE_MODULE_SYMBOL(I2C_CONTROLLER_TYPE),
     // drivers/i2s_controller
     DEFINE_MODULE_SYMBOL(i2s_controller_read),
@@ -94,6 +98,7 @@ const struct ModuleSymbol KERNEL_SYMBOLS[] = {
     DEFINE_MODULE_SYMBOL(spi_controller_lock),
     DEFINE_MODULE_SYMBOL(spi_controller_try_lock),
     DEFINE_MODULE_SYMBOL(spi_controller_unlock),
+    DEFINE_MODULE_SYMBOL(SPI_CONTROLLER_TYPE),
     // drivers/uart_controller
     DEFINE_MODULE_SYMBOL(uart_controller_open),
     DEFINE_MODULE_SYMBOL(uart_controller_close),