incubator-nuttx/drivers/usbhost/usbhost_registry.h

73 lines
2.6 KiB
C

/****************************************************************************
* drivers/usbhost/usbhost_registry.h
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
****************************************************************************/
#ifndef __DRIVERS_USBHOST_USBHOST_REGISTRY_H
#define __DRIVERS_USBHOST_USBHOST_REGISTRY_H
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <nuttx/usb/usbhost.h>
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/* Configuration ************************************************************/
/****************************************************************************
* Public Types
****************************************************************************/
/****************************************************************************
* Public Data
****************************************************************************/
#undef EXTERN
#if defined(__cplusplus)
# define EXTERN extern "C"
extern "C"
{
#else
# define EXTERN extern
#endif
/* g_classregistry is a singly-linked list of class ID information added by
* calls to usbhost_registerclass(). Since this list is accessed from USB
* host controller interrupt handling logic, accesses to this list must be
* protected by disabling interrupts.
*/
EXTERN struct usbhost_registry_s *g_classregistry;
/****************************************************************************
* Public Function Prototypes
****************************************************************************/
#undef EXTERN
#if defined(__cplusplus)
}
#endif
#endif /* #define __DRIVERS_USBHOST_USBHOST_REGISTRY_H */