arch/risc-v/src/mpfs/mpfs_usb.h

/****************************************************************************
 * arch/risc-v/src/mpfs/mpfs_usb.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 __ARCH_RISCV_SRC_MPFS_MPFS_USB_H
#define __ARCH_RISCV_SRC_MPFS_MPFS_USB_H

/****************************************************************************
 * Included Files
 ****************************************************************************/

#include <nuttx/config.h>
#include <sys/types.h>
#include <stdbool.h>

#include "chip.h"

/****************************************************************************
 * Public Function Prototypes
 ****************************************************************************/

#ifndef __ASSEMBLY__

#undef EXTERN
#if defined(__cplusplus)
#define EXTERN extern "C"
extern "C"
{
#else
#define EXTERN extern
#endif

/****************************************************************************
 * Name: mpfs_usbinitialize
 *
 * Description:
 *   This is called in the board startup phase.  This prepares the software
 *   ready for the later phase.
 *
 * Input Parameters:
 *   None
 *
 * Returned Value:
 *   None
 *
 ****************************************************************************/

void mpfs_usbinitialize(void);

/****************************************************************************
 * Name: mpfs_vbus_detect
 *
 * Description:
 *   Read the VBUS state from the USB OTG controller.
 *
 * Input Parameters:
 *   None
 *
 * Returned Value:
 *   true if VBUS is valid; false otherwise
 *
 ****************************************************************************/

bool mpfs_vbus_detect(void);

#undef EXTERN
#if defined(__cplusplus)
}
#endif

#endif /* __ASSEMBLY__ */
#endif /* __ARCH_RISCV_SRC_MPFS_MPFS_USB_H */