text: /****************************************************************************
   *
   *   Copyright (C) 2016 PX4 Development Team. All rights reserved.
   *
   * 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 PX4 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.
   *
   ****************************************************************************/
  
  /**
   * @file px4fmu_usb.c
   *
   * Board-specific USB functions.
   */
  
  /************************************************************************************
   * Included Files
   ************************************************************************************/
  
  #include <px4_platform_common/px4_config.h>
  
  #include <sys/types.h>
  #include <stdint.h>
  #include <stdbool.h>
  #include <debug.h>
  
  #include <nuttx/usb/usbdev.h>
  #include <nuttx/usb/usbdev_trace.h>
  
  #include <up_arch.h>
  #include <chip.h>
  #include <stm32_gpio.h>
  #include <stm32_otg.h>
  #include "board_config.h"
  
  /************************************************************************************
   * Definitions
   ************************************************************************************/
  
  /************************************************************************************
   * Private Functions
   ************************************************************************************/
  
  /************************************************************************************
   * Public Functions
   ************************************************************************************/
  
  /************************************************************************************
   * Name: stm32_usbinitialize
   *
   * Description:
   *   Called to setup USB-related GPIO pins for the PX4FMU board.
   *
   ************************************************************************************/
  
  __EXPORT void stm32_usbinitialize(void)
  {
  	/* The OTG FS has an internal soft pull-up */
  
  	/* Configure the OTG FS VBUS sensing GPIO, Power On, and Overcurrent GPIOs */
  
  #ifdef CONFIG_STM32H7_OTGFS
  	stm32_configgpio(GPIO_OTGFS_VBUS);
  #endif
  }
  
  /************************************************************************************
   * Name:  stm32_usbsuspend
   *
   * Description:
   *   Board logic must provide the stm32_usbsuspend logic if the USBDEV driver is
   *   used.  This function is called whenever the USB enters or leaves suspend mode.
   *   This is an opportunity for the board logic to shutdown clocks, power, etc.
   *   while the USB is suspended.
   *
   ************************************************************************************/
  
  __EXPORT void stm32_usbsuspend(FAR struct usbdev_s *dev, bool resume)
  {
  	uinfo("resume: %d\n", resume);
  }
  