Merge TactilityHeadless into Tactility (#263)

There currently is no practical use to have TactilityHeadless as a subproject. I'm merging it with the Tactility project.

Tactility/Include/Tactility/hal/Configuration.h

@@ -0,0 +1,58 @@
+#pragma once
+
+#include "Tactility/hal/gps/GpsDevice.h"
+#include "Tactility/hal/sdcard/SdCardDevice.h"
+#include "Tactility/hal/spi/Spi.h"
+#include "Tactility/hal/uart/Uart.h"
+#include "i2c/I2c.h"
+
+namespace tt::hal {
+
+typedef bool (*InitBoot)();
+
+namespace display { class DisplayDevice; }
+namespace keyboard { class KeyboardDevice; }
+namespace power { class PowerDevice; }
+
+typedef std::shared_ptr<display::DisplayDevice> (*CreateDisplay)();
+typedef std::shared_ptr<keyboard::KeyboardDevice> (*CreateKeyboard)();
+typedef std::shared_ptr<power::PowerDevice> (*CreatePower)();
+
+enum class LvglInit {
+    Default,
+    None
+};
+
+struct Configuration {
+    /**
+     * Called before I2C/SPI/etc is initialized.
+     * Used for powering on the peripherals manually.
+     */
+    const InitBoot _Nullable initBoot = nullptr;
+
+    /** Init behaviour: default (esp_lvgl_port for ESP32, nothing for PC) or None (nothing on any platform). Only used in Tactility, not in TactilityHeadless. */
+    const LvglInit lvglInit = LvglInit::Default;
+
+    /** Display HAL functionality. */
+    const CreateDisplay _Nullable createDisplay = nullptr;
+
+    /** Keyboard HAL functionality. */
+    const CreateKeyboard _Nullable createKeyboard = nullptr;
+
+    /** An optional SD card interface. */
+    const std::shared_ptr<sdcard::SdCardDevice> _Nullable sdcard = nullptr;
+
+    /** An optional power interface for battery or other power delivery. */
+    const CreatePower _Nullable power = nullptr;
+
+    /** A list of I2C interface configurations */
+    const std::vector<i2c::Configuration> i2c = {};
+
+    /** A list of SPI interface configurations */
+    const std::vector<spi::Configuration> spi = {};
+
+    /** A list of UART interface configurations */
+    const std::vector<uart::Configuration> uart = {};
+};
+
+} // namespace