nuttx/boards/arm/samd2l2/circuit-express/src/sam_usb.c
2021-05-16 11:35:51 -03:00

88 lines
2.8 KiB
C

/****************************************************************************
* boards/arm/samd2l2/circuit-express/src/sam_usb.c
*
* 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.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <sys/types.h>
#include <stdint.h>
#include <stdbool.h>
#include <sched.h>
#include <errno.h>
#include <assert.h>
#include <debug.h>
#include <nuttx/usb/usbdev.h>
#include <nuttx/usb/usbhost.h>
#include <nuttx/usb/usbdev_trace.h>
#include "debug.h"
#include "chip.h"
#include "sam_port.h"
#include "saml_periphclks.h"
#include "circuit_express.h"
#if defined(CONFIG_SAMD2L2_USB)
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: sam_usbinitialize
*
* Description:
* Called from sam_boot very early in initialization to setup
* USB-related GPIO pins for the Circuit Express board.
*
* USB Ports
* The SAML21 features USB device and host:
*
*
****************************************************************************/
void weak_function sam_usbinitialize(void)
{
}
/****************************************************************************
* Name: sam_usbsuspend
*
* Description:
* Board logic must provide the sam_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.
*
****************************************************************************/
#ifdef CONFIG_USBDEV
void sam_usb_suspend(FAR struct usbdev_s *dev, bool resume)
{
uinfo("board: resume: %d\n", resume);
}
#endif
#endif /* CONFIG_SAMDL_USB */