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nsh_usbtrace.c
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/****************************************************************************
* apps/nshlib/nsh_usbtrace.c
*
* SPDX-License-Identifier: Apache-2.0
*
* 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 <stdarg.h>
#include <debug.h>
#include <nuttx/usb/usbdev_trace.h>
#ifdef CONFIG_NSH_USBDEV_TRACE
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/****************************************************************************
* Private Types
****************************************************************************/
/****************************************************************************
* Private Function Prototypes
****************************************************************************/
/****************************************************************************
* Private Data
****************************************************************************/
/****************************************************************************
* Public Data
****************************************************************************/
/****************************************************************************
* Private Functions
****************************************************************************/
/****************************************************************************
* Name: nsh_tracecallback
****************************************************************************/
/****************************************************************************
* Name: nsh_tracecallback
*
* Description:
* This is part of the USB trace logic
*
****************************************************************************/
static int usbtrace_syslog(FAR const char *fmt, ...)
{
va_list ap;
/* Let vsyslog do the real work */
va_start(ap, fmt);
vsyslog(LOG_INFO, fmt, ap);
va_end(ap);
return OK;
}
/****************************************************************************
* Name: nsh_tracecallback
*
* Description:
* This is part of the USB trace logic
*
****************************************************************************/
static int nsh_tracecallback(struct usbtrace_s *trace, void *arg)
{
usbtrace_trprintf(usbtrace_syslog, trace->event, trace->value);
return 0;
}
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: nsh_usbtrace
*
* Description:
* The function is called from the nsh_session() to dump USB data to the
* SYSLOG device.
*
* Input Parameters:
* None
*
* Returned Values:
* None
*
****************************************************************************/
void nsh_usbtrace(void)
{
usbtrace_enumerate(nsh_tracecallback, NULL);
}
#endif /* CONFIG_NSH_USBDEV_TRACE */