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184 lines
7.7 KiB
C
184 lines
7.7 KiB
C
/*
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LUFA Library
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Copyright (C) Dean Camera, 2009.
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dean [at] fourwalledcubicle [dot] com
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www.fourwalledcubicle.com
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*/
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/*
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Copyright 2009 Dean Camera (dean [at] fourwalledcubicle [dot] com)
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Permission to use, copy, modify, and distribute this software
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and its documentation for any purpose and without fee is hereby
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granted, provided that the above copyright notice appear in all
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copies and that both that the copyright notice and this
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permission notice and warranty disclaimer appear in supporting
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documentation, and that the name of the author not be used in
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advertising or publicity pertaining to distribution of the
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software without specific, written prior permission.
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The author disclaim all warranties with regard to this
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software, including all implied warranties of merchantability
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and fitness. In no event shall the author be liable for any
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special, indirect or consequential damages or any damages
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whatsoever resulting from loss of use, data or profits, whether
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in an action of contract, negligence or other tortious action,
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arising out of or in connection with the use or performance of
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this software.
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*/
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/** \file
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*
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* Header file for CDC.c.
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*/
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#ifndef _CDC_H_
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#define _CDC_H_
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/* Includes: */
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#include <avr/io.h>
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#include <avr/wdt.h>
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#include <avr/power.h>
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#include <string.h>
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#include "Descriptors.h"
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#include <LUFA/Version.h>
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#include <LUFA/Drivers/USB/USB.h>
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#include <LUFA/Drivers/Board/Joystick.h>
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#include <LUFA/Drivers/Board/LEDs.h>
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/* Macros: */
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/** CDC Class specific request to get the current virtual serial port configuration settings. */
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#define REQ_GetLineEncoding 0x21
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/** CDC Class specific request to set the current virtual serial port configuration settings. */
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#define REQ_SetLineEncoding 0x20
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/** CDC Class specific request to set the current virtual serial port handshake line states. */
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#define REQ_SetControlLineState 0x22
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/** Notification type constant for a change in the virtual serial port handshake line states, for
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* use with a USB_Notification_Header_t notification structure when sent to the host via the CDC
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* notification endpoint.
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*/
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#define NOTIF_SerialState 0x20
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/** Mask for the DTR handshake line for use with the REQ_SetControlLineState class specific request
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* from the host, to indicate that the DTR line state should be high.
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*/
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#define CONTROL_LINE_OUT_DTR (1 << 0)
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/** Mask for the RTS handshake line for use with the REQ_SetControlLineState class specific request
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* from the host, to indicate that theRTS line state should be high.
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*/
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#define CONTROL_LINE_OUT_RTS (1 << 1)
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/** Mask for the DCD handshake line for use with the a NOTIF_SerialState class specific notification
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* from the device to the host, to indicate that the DCD line state is currently high.
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*/
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#define CONTROL_LINE_IN_DCD (1 << 0)
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/** Mask for the DSR handshake line for use with the a NOTIF_SerialState class specific notification
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* from the device to the host, to indicate that the DSR line state is currently high.
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*/
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#define CONTROL_LINE_IN_DSR (1 << 1)
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/** Mask for the BREAK handshake line for use with the a NOTIF_SerialState class specific notification
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* from the device to the host, to indicate that the BREAK line state is currently high.
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*/
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#define CONTROL_LINE_IN_BREAK (1 << 2)
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/** Mask for the RING handshake line for use with the a NOTIF_SerialState class specific notification
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* from the device to the host, to indicate that the RING line state is currently high.
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*/
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#define CONTROL_LINE_IN_RING (1 << 3)
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/** Mask for use with the a NOTIF_SerialState class specific notification from the device to the host,
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* to indicate that a framing error has occurred on the virtual serial port.
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*/
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#define CONTROL_LINE_IN_FRAMEERROR (1 << 4)
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/** Mask for use with the a NOTIF_SerialState class specific notification from the device to the host,
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* to indicate that a parity error has occurred on the virtual serial port.
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*/
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#define CONTROL_LINE_IN_PARITYERROR (1 << 5)
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/** Mask for use with the a NOTIF_SerialState class specific notification from the device to the host,
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* to indicate that a data overrun error has occurred on the virtual serial port.
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*/
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#define CONTROL_LINE_IN_OVERRUNERROR (1 << 6)
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/** LED mask for the library LED driver, to indicate that the USB interface is not ready. */
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#define LEDMASK_USB_NOTREADY LEDS_LED1
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/** LED mask for the library LED driver, to indicate that the USB interface is enumerating. */
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#define LEDMASK_USB_ENUMERATING (LEDS_LED2 | LEDS_LED3)
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/** LED mask for the library LED driver, to indicate that the USB interface is ready. */
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#define LEDMASK_USB_READY (LEDS_LED2 | LEDS_LED4)
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/** LED mask for the library LED driver, to indicate that an error has occurred in the USB interface. */
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#define LEDMASK_USB_ERROR (LEDS_LED1 | LEDS_LED3)
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/* Type Defines: */
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/** Type define for the virtual serial port line encoding settings, for storing the current USART configuration
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* as set by the host via a class specific request.
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*/
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typedef struct
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{
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uint32_t BaudRateBPS; /**< Baud rate of the virtual serial port, in bits per second */
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uint8_t CharFormat; /**< Character format of the virtual serial port, a value from the
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* CDCDevice_CDC_LineCodingFormats_t enum
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*/
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uint8_t ParityType; /**< Parity setting of the virtual serial port, a value from the
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* CDCDevice_LineCodingParity_t enum
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*/
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uint8_t DataBits; /**< Bits of data per character of the virtual serial port */
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} CDC_Line_Coding_t;
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/** Type define for a CDC notification, sent to the host via the CDC notification endpoint to indicate a
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* change in the device state asynchronously.
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*/
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typedef struct
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{
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uint8_t NotificationType; /**< Notification type, a mask of REQDIR_*, REQTYPE_* and REQREC_* constants
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* from the library StdRequestType.h header
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*/
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uint8_t Notification; /**< Notification value, a NOTIF_* constant */
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uint16_t wValue; /**< Notification wValue, notification-specific */
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uint16_t wIndex; /**< Notification wIndex, notification-specific */
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uint16_t wLength; /**< Notification wLength, notification-specific */
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} USB_Notification_Header_t;
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/* Enums: */
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/** Enum for the possible line encoding formats of a virtual serial port. */
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enum CDCDevice_CDC_LineCodingFormats_t
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{
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OneStopBit = 0, /**< Each frame contains one stop bit */
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OneAndAHalfStopBits = 1, /**< Each frame contains one and a half stop bits */
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TwoStopBits = 2, /**< Each frame contains two stop bits */
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};
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/** Enum for the possible line encoding parity settings of a virtual serial port. */
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enum CDCDevice_LineCodingParity_t
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{
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Parity_None = 0, /**< No parity bit mode on each frame */
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Parity_Odd = 1, /**< Odd parity bit mode on each frame */
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Parity_Even = 2, /**< Even parity bit mode on each frame */
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Parity_Mark = 3, /**< Mark parity bit mode on each frame */
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Parity_Space = 4, /**< Space parity bit mode on each frame */
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};
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/* Function Prototypes: */
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void SetupHardware(void);
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void CDC_Task(void);
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void EVENT_USB_Connect(void);
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void EVENT_USB_Disconnect(void);
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void EVENT_USB_ConfigurationChanged(void);
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void EVENT_USB_UnhandledControlPacket(void);
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#endif
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