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/*
LUFA Library
Copyright (C) Dean Camera, 2009.
dean [at] fourwalledcubicle [dot] com
www.fourwalledcubicle.com
*/
/*
Copyright 2009 Dean Camera (dean [at] fourwalledcubicle [dot] com)
Permission to use, copy, modify, and distribute this software
and its documentation for any purpose and without fee is hereby
granted, 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.
*/
/** \ingroup Group_USBClassCDC
* @defgroup Group_USBClassCDCHost CDC Class Host Mode Driver
*
* \section Sec_Dependencies Module Source Dependencies
* The following files must be built with any user project that uses this module:
* - LUFA/Drivers/USB/Class/Host/CDC.c
*
* \section Module Description
* Host Mode USB Class driver framework interface, for the CDC USB Class driver.
*
* @{
*/
#ifndef __CDC_CLASS_HOST_H__
#define __CDC_CLASS_HOST_H__
/* Includes: */
#include "../../USB.h"
#include "../Common/CDC.h"
/* Enable C linkage for C++ Compilers: */
#if defined(__cplusplus)
extern "C" {
#endif
/* Public Interface - May be used in end-application: */
/* Type Defines: */
/** Class state structure. An instance of this structure should be made within the user application,
* and passed to each of the CDC class driver functions as the CDCInterfaceInfo parameter. This
* stores each CDC interface's configuration and state information.
*/
typedef struct
{
const struct
{
uint8_t DataINPipeNumber; /**< Pipe number of the CDC interface's IN data pipe */
uint8_t DataOUTPipeNumber; /**< Pipe number of the CDC interface's OUT data pipe */
uint8_t NotificationPipeNumber; /**< Pipe number of the CDC interface's IN notification endpoint, if used */
} Config; /**< Config data for the USB class interface within the device. All elements in this section
* <b>must</b> be set or the interface will fail to enumerate and operate correctly.
*/
struct
{
bool Active; /**< Indicates if the current interface instance is connected to an attached device */
uint8_t ControlInterfaceNumber; /**< Interface index of the CDC-ACM control interface within the attached device */
uint16_t DataINPipeSize; /**< Size in bytes of the CDC interface's IN data pipe */
uint16_t DataOUTPipeSize; /**< Size in bytes of the CDC interface's OUT data pipe */
uint16_t NotificationPipeSize; /**< Size in bytes of the CDC interface's IN notification endpoint, if used */
struct
{
uint8_t HostToDevice; /**< Control line states from the host to device, as a set of CDC_CONTROL_LINE_OUT_*
* masks.
*/
uint8_t DeviceToHost; /**< Control line states from the device to host, as a set of CDC_CONTROL_LINE_IN_*
* masks.
*/
} ControlLineStates;
struct
{
bool Active; /**< Indicates if the interface is currently active, i.e. attached to the connected device */
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 */
} LineEncoding;
} State; /**< State data for the USB class interface within the device. All elements in this section
* <b>may</b> be set to initial values, but may also be ignored to default to sane values when
* the interface is enumerated.
*/
} USB_ClassInfo_CDC_Host_t;
/* Enums: */
enum
{
CDC_ENUMERROR_NoError = 0, /**< Configuration Descriptor was processed successfully */
CDC_ENUMERROR_InvalidConfigDescriptor = 1, /**< The device returned an invalid Configuration Descriptor */
CDC_ENUMERROR_NoCDCInterfaceFound = 2, /**< A compatible CDC interface was not found in the device's Configuration Descriptor */
CDC_ENUMERROR_EndpointsNotFound = 3, /**< Compatible CDC endpoints were not found in the device's CDC interface */
} CDCHost_EnumerationFailure_ErrorCodes_t;
/* Function Prototypes: */
void CDC_Host_USBTask(USB_ClassInfo_CDC_Host_t* CDCInterfaceInfo);
uint8_t CDC_Host_ConfigurePipes(USB_ClassInfo_CDC_Host_t* CDCInterfaceInfo, uint16_t ConfigDescriptorLength,
uint8_t* DeviceConfigDescriptor);
uint8_t CDC_Host_SetLineEncoding(USB_ClassInfo_CDC_Host_t* CDCInterfaceInfo);
uint8_t CDC_Host_SendControlLineStateChange(USB_ClassInfo_CDC_Host_t* CDCInterfaceInfo);
void CDC_Host_SendString(USB_ClassInfo_CDC_Host_t* CDCInterfaceInfo, char* Data, uint16_t Length);
void CDC_Host_SendByte(USB_ClassInfo_CDC_Host_t* CDCInterfaceInfo, uint8_t Data);
uint16_t CDC_Host_BytesReceived(USB_ClassInfo_CDC_Host_t* CDCInterfaceInfo);
uint8_t CDC_Host_ReceiveByte(USB_ClassInfo_CDC_Host_t* CDCInterfaceInfo);
/* Private Interface - For use in library only: */
#if !defined(__DOXYGEN__)
/* Macros: */
#define CDC_CONTROL_CLASS 0x02
#define CDC_CONTROL_SUBCLASS 0x02
#define CDC_CONTROL_PROTOCOL 0x01
#define CDC_DATA_CLASS 0x0A
#define CDC_DATA_SUBCLASS 0x00
#define CDC_DATA_PROTOCOL 0x00
#define CDC_FOUND_DATAPIPE_IN (1 << 0)
#define CDC_FOUND_DATAPIPE_OUT (1 << 1)
#define CDC_FOUND_DATAPIPE_NOTIFICATION (1 << 2)
/* Function Prototypes: */
#if defined(INCLUDE_FROM_CDC_CLASS_HOST_C)
void CDC_Host_Event_Stub(void);
void EVENT_CDC_Host_ControLineStateChanged(USB_ClassInfo_CDC_Host_t* CDCInterfaceInfo)
ATTR_WEAK ATTR_ALIAS(CDC_Host_Event_Stub);
static uint8_t DComp_CDC_Host_NextCDCControlInterface(void* CurrentDescriptor);
static uint8_t DComp_CDC_Host_NextCDCDataInterface(void* CurrentDescriptor);
static uint8_t DComp_CDC_Host_NextInterfaceCDCDataEndpoint(void* CurrentDescriptor);
#endif
#endif
/* Disable C linkage for C++ Compilers: */
#if defined(__cplusplus)
}
#endif
#endif
/** @} */
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