1f6d9bbd17
Add usb_fs driver so that userspace can directly transfer USB packets through the EP node. ADB, Fastboot, MTP will use usb_fs, these class driver only need to provide the descriptors and register the usb_fs device. Signed-off-by: zhangyuan21 <zhangyuan21@xiaomi.com> Signed-off-by: zhangyuan21 <zhangyuan21@xiaomi.com>
73 lines
2.5 KiB
C
73 lines
2.5 KiB
C
/****************************************************************************
|
|
* drivers/usbdev/usbdev_desc.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 <string.h>
|
|
|
|
#include <nuttx/usb/usbdev.h>
|
|
|
|
/****************************************************************************
|
|
* Public Functions
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Name: usbdev_copy_epdesc
|
|
*
|
|
* Description:
|
|
* Copies the requested Endpoint Description into the buffer given.
|
|
* Returns the number of Bytes filled in ( sizeof(struct usb_epdesc_s) ).
|
|
* This function is provided by various classes.
|
|
*
|
|
****************************************************************************/
|
|
|
|
void usbdev_copy_epdesc(FAR struct usb_epdesc_s *epdesc,
|
|
uint8_t epno, bool hispeed,
|
|
FAR const struct usbdev_epinfo_s *epinfo)
|
|
{
|
|
#ifndef CONFIG_USBDEV_DUALSPEED
|
|
UNUSED(hispeed);
|
|
#endif
|
|
|
|
memcpy(epdesc, &epinfo->desc, sizeof(struct usb_epdesc_s));
|
|
epdesc->addr |= epno;
|
|
|
|
#ifdef CONFIG_USBDEV_DUALSPEED
|
|
if (hispeed)
|
|
{
|
|
/* Maximum packet size (high speed) */
|
|
|
|
epdesc->mxpacketsize[0] = LSBYTE(epinfo->hssize);
|
|
epdesc->mxpacketsize[1] = MSBYTE(epinfo->hssize);
|
|
}
|
|
else
|
|
#endif
|
|
{
|
|
/* Maximum packet size (full speed) */
|
|
|
|
epdesc->mxpacketsize[0] = LSBYTE(epinfo->fssize);
|
|
epdesc->mxpacketsize[1] = MSBYTE(epinfo->fssize);
|
|
}
|
|
}
|