/*
             LUFA Library
     Copyright (C) Dean Camera, 2010.
              
  dean [at] fourwalledcubicle [dot] com
      www.fourwalledcubicle.com
*/

/*
  Copyright 2010  Dean Camera (dean [at] fourwalledcubicle [dot] com)

  Permission to use, copy, modify, distribute, and sell this 
  software and its documentation for any purpose is hereby granted
  without fee, provided that the above copyright notice appear in 
  all copies and that both that the copyright notice and this
  permission notice and warranty disclaimer appear in supporting 
  documentation, and that the name of the author not be used in 
  advertising or publicity pertaining to distribution of the 
  software without specific, written prior permission.

  The author disclaim all warranties with regard to this
  software, including all implied warranties of merchantability
  and fitness.  In no event shall the author be liable for any
  special, indirect or consequential damages or any damages
  whatsoever resulting from loss of use, data or profits, whether
  in an action of contract, negligence or other tortious action,
  arising out of or in connection with the use or performance of
  this software.
*/

/** \file
 *
 *  Header file for DualVirtualSerial.c.
 */

#ifndef _DUAL_VIRTUALSERIAL_H_
#define _DUAL_VIRTUALSERIAL_H_

	/* Includes: */
		#include <avr/io.h>
		#include <avr/wdt.h>
		#include <avr/power.h>
		#include <avr/interrupt.h>
		#include <string.h>

		#include "Descriptors.h"

		#include <LUFA/Version.h>
		#include <LUFA/Drivers/USB/USB.h>
		#include <LUFA/Drivers/Board/Joystick.h>
		#include <LUFA/Drivers/Board/LEDs.h>

	/* Macros: */
		/** CDC Class specific request to get the current virtual serial port configuration settings. */
		#define REQ_GetLineEncoding       0x21

		/** CDC Class specific request to set the current virtual serial port configuration settings. */
		#define REQ_SetLineEncoding       0x20

		/** CDC Class specific request to set the current virtual serial port handshake line states. */
		#define REQ_SetControlLineState   0x22

		/** LED mask for the library LED driver, to indicate that the USB interface is not ready. */
		#define LEDMASK_USB_NOTREADY      LEDS_LED1

		/** LED mask for the library LED driver, to indicate that the USB interface is enumerating. */
		#define LEDMASK_USB_ENUMERATING  (LEDS_LED2 | LEDS_LED3)

		/** LED mask for the library LED driver, to indicate that the USB interface is ready. */
		#define LEDMASK_USB_READY        (LEDS_LED2 | LEDS_LED4)

		/** LED mask for the library LED driver, to indicate that an error has occurred in the USB interface. */
		#define LEDMASK_USB_ERROR        (LEDS_LED1 | LEDS_LED3)

	/* Type Defines: */
		/** Type define for the virtual serial port line encoding settings, for storing the current USART configuration
		 *  as set by the host via a class specific request.
		 */
		typedef struct
		{
			uint32_t BaudRateBPS; /**< Baud rate of the virtual serial port, in bits per second */
			uint8_t  CharFormat; /**< Character format of the virtual serial port, a value from the
			                      *   CDCDevice_CDC_LineCodingFormats_t enum
			                      */
			uint8_t  ParityType; /**< Parity setting of the virtual serial port, a value from the
			                      *   CDCDevice_LineCodingParity_t enum
			                      */
			uint8_t  DataBits; /**< Bits of data per character of the virtual serial port */
		} CDC_Line_Coding_t;
		
	/* Enums: */
		/** Enum for the possible line encoding formats of a virtual serial port. */
		enum CDCDevice_CDC_LineCodingFormats_t
		{
			OneStopBit          = 0, /**< Each frame contains one stop bit */
			OneAndAHalfStopBits = 1, /**< Each frame contains one and a half stop bits */
			TwoStopBits         = 2, /**< Each frame contains two stop bits */
		};
		
		/** Enum for the possible line encoding parity settings of a virtual serial port. */
		enum CDCDevice_LineCodingParity_t
		{
			Parity_None         = 0, /**< No parity bit mode on each frame */
			Parity_Odd          = 1, /**< Odd parity bit mode on each frame */
			Parity_Even         = 2, /**< Even parity bit mode on each frame */
			Parity_Mark         = 3, /**< Mark parity bit mode on each frame */
			Parity_Space        = 4, /**< Space parity bit mode on each frame */
		};

	/* Function Prototypes: */
		void CDC1_Task(void);
		void CDC2_Task(void);
		void SetupHardware(void);

		void EVENT_USB_Device_Connect(void);
		void EVENT_USB_Device_Disconnect(void);
		void EVENT_USB_Device_ConfigurationChanged(void);
		void EVENT_USB_Device_UnhandledControlRequest(void);
		
#endif
