incubator-nuttx/include/nuttx/usb/composite.h

187 lines
7.1 KiB
C

/************************************************************************************
* include/nuttx/usb/composite.h
*
* Copyright (C) 2008-2011 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name NuttX nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
****************************************************************************/
#ifndef __INCLUDE_NUTTX_USB_COMPOSITE_H
#define __INCLUDE_NUTTX_USB_COMPOSITE_H
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#ifdef CONFIG_USBDEV_COMPOSITE
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/* Configuration ************************************************************/
/* CONFIG_USBDEV_COMPOSITE
* Enables USB composite device support
* CONFIG_CDCACM_COMPOSITE
* Configure the CDC serial driver as part of a composite driver
* (only if CONFIG_USBDEV_COMPOSITE is also defined)
* CONFIG_COMPOSITE_COMPOSITE
* Configure the mass storage driver as part of a composite driver
* (only if CONFIG_USBDEV_COMPOSITE is also defined)
* CONFIG_COMPOSITE_EP0MAXPACKET
* Max packet size for endpoint 0
* CONFIG_COMPOSITE_VENDORID and CONFIG_COMPOSITE_VENDORSTR
* The vendor ID code/string
* CONFIG_COMPOSITE_PRODUCTID and CONFIG_COMPOSITE_PRODUCTSTR
* The product ID code/string
* CONFIG_COMPOSITE_SERIALSTR
* Device serial number string
* CONFIG_COMPOSITE_CONFIGSTR
* Configuration string
* CONFIG_COMPOSITE_VERSIONNO
* Interface version number.
*/
/****************************************************************************
* Public Types
****************************************************************************/
/****************************************************************************
* Public Data
****************************************************************************/
#undef EXTERN
#if defined(__cplusplus)
#define EXTERN extern "C"
extern "C" {
#else
#define EXTERN extern
#endif
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: composite_initialize
*
* Description:
* Register USB composite device as configured. This function will call
* board-specific implementations in order to obtain the class objects for
* each of the members of the composite (see board_mscclassobject(),
* board_cdcclassobjec(), ...)
*
* Input Parameter:
* None
*
* Returned Value:
* A non-NULL "handle" is returned on success. This handle may be used
* later with composite_uninitialize() in order to removed the composite
* device. This handle is the (untyped) internal representation of the
* the class driver instance.
*
* NULL is returned on any failure.
*
****************************************************************************/
EXTERN FAR void *composite_initialize(void);
/****************************************************************************
* Name: composite_uninitialize
*
* Description:
* Un-initialize the USB composite driver. The handle is the USB composite
* class' device object as was returned by composite_initialize(). This
* function will call board-specific implementations in order to free the
* class objects for each of the members of the composite (see
* board_mscuninitialize(), board_cdcuninitialize(), ...)
*
* Input Parameters:
* handle - The handle returned by a previous call to composite_initialize().
*
* Returned Value:
* None
*
***************************************************************************/
EXTERN void composite_uninitialize(FAR void *handle);
/****************************************************************************
* Name: composite_initialize
*
* Description:
* Register USB composite device as configured. This function will call
* board-specific implementations in order to obtain the class objects for
* each of the members of the composite (see board_mscclassobject(),
* board_cdcclassobjec(), ...)
*
* Input Parameter:
* None
*
* Returned Value:
* A non-NULL "handle" is returned on success. This handle may be used
* later with composite_uninitialize() in order to removed the composite
* device. This handle is the (untyped) internal representation of the
* the class driver instance.
*
* NULL is returned on any failure.
*
****************************************************************************/
EXTERN FAR void *composite_initialize(void);
/****************************************************************************
* Name: composite_ep0submit
*
* Description:
* Members of the composite cannot send on EP0 directly because EP0 is
* is "owned" by the composite device. Instead, when configured as members
* of a composite device, those classes should call this method so that
* the composite device can send on EP0 onbehalf of the class.
*
****************************************************************************/
struct usbdevclass_driver_s;
struct usbdev_s;
struct usbdev_req_s;
EXTERN int composite_ep0submit(FAR struct usbdevclass_driver_s *driver,
FAR struct usbdev_s *dev,
FAR struct usbdev_req_s *ctrlreq);
#undef EXTERN
#if defined(__cplusplus)
}
#endif
#endif /* CONFIG_USBDEV_COMPOSITE */
#endif /* __INCLUDE_NUTTX_USB_COMPOSITE_H */