nuttx/boards/risc-v/mpfs/common/src/mpfs_usb.c
Eero Nurkkala 39d389545e risc-v/mpfs: usb: add composite support
This provides USB composite (CDC/ACM and Mass Storage) support
for mpfs board. In addition, a number of USB fixes are included:

 - Support for Setup Out packets
 - Proper support for larger than packet size writes
 - Finishing setup packets properly

Signed-off-by: Eero Nurkkala <eero.nurkkala@offcode.fi>
2022-06-09 20:44:40 +08:00

101 lines
2.9 KiB
C

/****************************************************************************
* boards/risc-v/mpfs/common/src/mpfs_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 <debug.h>
#include <errno.h>
#include <nuttx/usb/cdcacm.h>
#include <nuttx/usb/usbmonitor.h>
#include "mpfs_usb.h"
#include "board_config.h"
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: mpfs_board_usb_init
*
* Description:
* Configure the USB driver.
*
* Returned Value:
* Zero (OK) is returned on success; A negated errno value is returned
* to indicate the nature of any failure.
*
****************************************************************************/
int mpfs_board_usb_init(void)
{
int ret = OK;
mpfs_usbinitialize();
#if defined(CONFIG_CDCACM) && !defined(CONFIG_CDCACM_COMPOSITE)
ret = cdcacm_initialize(0, NULL);
if (ret != OK)
{
syslog(LOG_ERR,
"ERROR: Failed to register the CDC/ACM serial class: %d\n",
ret);
}
#endif
#ifdef CONFIG_USBDEV_COMPOSITE
#ifndef CONFIG_BOARDCTL_USBDEVCTRL
ret = board_composite_initialize(0);
if (ret != OK)
{
syslog(LOG_ERR, "Failed to initialize composite: %d\n", ret);
return ret;
}
if (board_composite_connect(0, 0) == NULL)
{
syslog(LOG_ERR, "Failed to connect composite: %d\n", ret);
return ret;
}
#endif /* !CONFIG_BOARDCTL_USBDEVCTRL */
#endif /* CONFIG_USBDEV_COMPOSITE */
#ifdef CONFIG_USBMONITOR
/* Start the USB Monitor */
syslog(LOG_INFO, "Starting USB Monitor\n");
ret = usbmonitor_start();
if (ret != OK)
{
syslog(LOG_ERR, "ERROR: Failed to start USB monitor: %d\n", ret);
return ret;
}
#endif
return ret;
}