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Diffstat (limited to 'apps/nshlib/nsh_usbtrace.c')
-rw-r--r-- | apps/nshlib/nsh_usbtrace.c | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/apps/nshlib/nsh_usbtrace.c b/apps/nshlib/nsh_usbtrace.c new file mode 100644 index 000000000..09f4df7e6 --- /dev/null +++ b/apps/nshlib/nsh_usbtrace.c @@ -0,0 +1,127 @@ +/**************************************************************************** + * 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 + ****************************************************************************/ +/* Output USB trace data to the console device using printf() unless (1) + * debug is enabled, then we want to keep the trace output in sync with the + * debug output by using syslog()we are using a USB console. In that case, + * we don't want the trace output on the USB console; let's try sending it + * a SYSLOG device (hopefully one is set up!) + */ + +#if defined(CONFIG_DEBUG) || defined(HAVE_USB_CONSOLE) +# define trmessage syslog +#else +# define trmessage printf +#endif + +/**************************************************************************** + * 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 nsh_tracecallback(struct usbtrace_s *trace, void *arg) +{ + usbtrace_trprintf((trprintf_t)trmessage, 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) +{ + (void)usbtrace_enumerate(nsh_tracecallback, NULL); +} + +#endif /* CONFIG_NSH_USBDEV_TRACE */ |