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nsh_usbtrace.c
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nsh_usbtrace.c
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/****************************************************************************
* apps/nshlib/nsh_usbtrace.c
*
* Copyright (C) 2014 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 <stdio.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 */