C++ refactoring (#91)

TactilityHeadless/Source/hal/Configuration.h

@@ -0,0 +1,58 @@
+#pragma once
+
+#include "Power.h"
+#include "hal/sdcard/Sdcard.h"
+#include "hal/i2c/I2c.h"
+
+namespace tt::hal {
+
+typedef bool (*InitPower)();
+typedef bool (*InitHardware)();
+typedef bool (*InitLvgl)();
+
+typedef void (*SetBacklightDuty)(uint8_t);
+typedef struct {
+    /** Set backlight duty */
+    _Nullable SetBacklightDuty setBacklightDuty;
+} Display;
+
+typedef struct {
+    /**
+     * Called before I2C/SPI/etc is initialized.
+     * Used for powering on the peripherals manually.
+     */
+    const InitPower _Nullable initPower = nullptr;
+
+    /**
+     * Called after I2C/SPI/etc is initialized.
+     * This can be used to communicate with built-in peripherals such as an I2C keyboard.
+     */
+    const InitHardware _Nullable initHardware = nullptr;
+
+    /**
+     * Create and initialize all LVGL devices. (e.g. display, touch, keyboard)
+     */
+    const InitLvgl _Nullable initLvgl;
+
+    /**
+     * Display HAL functionality.
+     */
+    const Display display;
+
+    /**
+     * An optional SD card interface.
+     */
+    const sdcard::SdCard* _Nullable sdcard;
+
+    /**
+     * An optional power interface for battery or other power delivery.
+     */
+    const Power* _Nullable power;
+
+    /**
+     * A list of i2c devices (can be empty, but preferably accurately represents the device capabilities)
+     */
+    const std::vector<i2c::Configuration> i2c;
+} Configuration;
+
+} // namespace