#pragma once

#include <stdint.h>
#include <avr/pgmspace.h>
#include <LUFA/Drivers/USB/USB.h>

/* Macros: */
/** Endpoint address of the CDC device-to-host notification IN endpoint. */
#define CDC_NOTIFICATION_EPADDR        (ENDPOINT_DIR_IN  | 2)

/** Endpoint address of the CDC device-to-host data IN endpoint. */
#define CDC_TX_EPADDR                  (ENDPOINT_DIR_IN  | 3)

/** Endpoint address of the CDC host-to-device data OUT endpoint. */
#define CDC_RX_EPADDR                  (ENDPOINT_DIR_OUT | 4)

/** Size in bytes of the CDC device-to-host notification IN endpoint. */
#define CDC_NOTIFICATION_EPSIZE        8

/** Size in bytes of the CDC data IN and OUT endpoints. */
#define CDC_TXRX_EPSIZE                16

/* Type Defines: */
	/** Type define for the device configuration descriptor structure. This must be defined in the
	 *  application code, as the configuration descriptor contains several sub-descriptors which
	 *  vary between devices, and which describe the device's usage to the host.
	 */
	typedef struct
	{
		USB_Descriptor_Configuration_Header_t    Config;

		// CDC Control Interface
		USB_Descriptor_Interface_t               CDC_CCI_Interface;
		USB_CDC_Descriptor_FunctionalHeader_t    CDC_Functional_Header;
		USB_CDC_Descriptor_FunctionalACM_t       CDC_Functional_ACM;
		USB_CDC_Descriptor_FunctionalUnion_t     CDC_Functional_Union;
		USB_Descriptor_Endpoint_t                CDC_NotificationEndpoint;

		// CDC Data Interface
		USB_Descriptor_Interface_t               CDC_DCI_Interface;
		USB_Descriptor_Endpoint_t                CDC_DataOutEndpoint;
		USB_Descriptor_Endpoint_t                CDC_DataInEndpoint;
	} USB_Descriptor_Configuration_t;

/* Function Prototypes: */
	uint16_t CALLBACK_USB_GetDescriptor(const uint16_t wValue,
	                                    const uint8_t wIndex,
	                                    const void** const DescriptorAddress)
	                                    ATTR_WARN_UNUSED_RESULT ATTR_NON_NULL_PTR_ARG(3);



void	cdc_serial_init(void);
avrSerial*
	cdc_serial_get(void);

uint8_t	cdc_serial_connected(void);