107 lines
4.0 KiB
C
107 lines
4.0 KiB
C
/****************************************************************************
|
|
* boards/arm/kinetis/freedom-k64f/src/k64_usbdev.c
|
|
*
|
|
* Copyright (C) 2016 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.
|
|
*
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Included Files
|
|
****************************************************************************/
|
|
|
|
#include <nuttx/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 "arm_arch.h"
|
|
#include "kinetis.h"
|
|
#include "freedom-k64f.h"
|
|
|
|
/****************************************************************************
|
|
* Public Functions
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Name: k64_usbinitialize
|
|
*
|
|
* Description:
|
|
* Called to setup USB-related GPIO pins for the FREEDOM-K64F board.
|
|
* There is not really anything that needs to be done here for this
|
|
* board as it has dedicated USB pins.
|
|
*
|
|
****************************************************************************/
|
|
|
|
void k64_usbinitialize(void)
|
|
{
|
|
}
|
|
|
|
/****************************************************************************
|
|
* Name: kinetis_usbpullup
|
|
*
|
|
* Description:
|
|
* If USB is supported and the board supports a pullup via GPIO (for USB
|
|
* software connect and disconnect), then the board software must provide
|
|
* kinetis_usbpullup.
|
|
* See include/nuttx/usb/usbdev.h for additional description of this
|
|
* method. Alternatively, if no pull-up GPIO the following EXTERN can be
|
|
* redefined to be NULL.
|
|
*
|
|
****************************************************************************/
|
|
|
|
int kinetis_usbpullup(FAR struct usbdev_s *dev, bool enable)
|
|
{
|
|
usbtrace(TRACE_DEVPULLUP, (uint16_t)enable);
|
|
return OK;
|
|
}
|
|
|
|
/****************************************************************************
|
|
* Name: kinetis_usbsuspend
|
|
*
|
|
* Description:
|
|
* Board logic must provide the kinetis_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.
|
|
*
|
|
****************************************************************************/
|
|
|
|
void kinetis_usbsuspend(FAR struct usbdev_s *dev, bool resume)
|
|
{
|
|
uinfo("resume: %d\n", resume);
|
|
}
|