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diff --git a/apps/examples/usbterm/usbterm.h b/apps/examples/usbterm/usbterm.h
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+/****************************************************************************
+ * examples/usbterm/usbterm.h
+ *
+ *   Copyright (C) 2011-2012 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.
+ *
+ ****************************************************************************/
+
+#ifndef __APPS_EXAMPLES_USBTERM_USBTERM_H
+#define __APPS_EXAMPLES_USBTERM_USBTERM_H
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+
+#include <stdint.h>
+#include <stdbool.h>
+#include <semaphore.h>
+
+/****************************************************************************
+ * Definitions
+ ****************************************************************************/
+/* Configuration ************************************************************/
+
+#ifndef CONFIG_EXAMPLES_USBTERM_BUFLEN
+#  define CONFIG_EXAMPLES_USBTERM_BUFLEN 256
+#endif
+
+#ifdef CONFIG_EXAMPLES_USBTERM_TRACEINIT
+#  define TRACE_INIT_BITS       (TRACE_INIT_BIT)
+#else
+#  define TRACE_INIT_BITS       (0)
+#endif
+
+#define TRACE_ERROR_BITS        (TRACE_DEVERROR_BIT|TRACE_CLSERROR_BIT)
+
+#ifdef CONFIG_EXAMPLES_USBTERM_TRACECLASS
+#  define TRACE_CLASS_BITS      (TRACE_CLASS_BIT|TRACE_CLASSAPI_BIT|TRACE_CLASSSTATE_BIT)
+#else
+#  define TRACE_CLASS_BITS      (0)
+#endif
+
+#ifdef CONFIG_EXAMPLES_USBTERM_TRACETRANSFERS
+#  define TRACE_TRANSFER_BITS   (TRACE_OUTREQQUEUED_BIT|TRACE_INREQQUEUED_BIT|TRACE_READ_BIT|\
+                                 TRACE_WRITE_BIT|TRACE_COMPLETE_BIT)
+#else
+#  define TRACE_TRANSFER_BITS   (0)
+#endif
+
+#ifdef CONFIG_EXAMPLES_USBTERM_TRACECONTROLLER
+#  define TRACE_CONTROLLER_BITS (TRACE_EP_BIT|TRACE_DEV_BIT)
+#else
+#  define TRACE_CONTROLLER_BITS (0)
+#endif
+
+#ifdef CONFIG_EXAMPLES_USBTERM_TRACEINTERRUPTS
+#  define TRACE_INTERRUPT_BITS  (TRACE_INTENTRY_BIT|TRACE_INTDECODE_BIT|TRACE_INTEXIT_BIT)
+#else
+#  define TRACE_INTERRUPT_BITS  (0)
+#endif
+
+#define TRACE_BITSET            (TRACE_INIT_BITS|TRACE_ERROR_BITS|TRACE_CLASS_BITS|\
+                                 TRACE_TRANSFER_BITS|TRACE_CONTROLLER_BITS|TRACE_INTERRUPT_BITS)
+
+#ifdef CONFIG_CDCACM
+#  define USBTERM_DEVNAME "/dev/ttyACM0"
+#else
+#  define USBTERM_DEVNAME "/dev/ttyUSB0"
+#endif
+
+/* Debug ********************************************************************/
+
+#ifdef CONFIG_CPP_HAVE_VARARGS
+#  ifdef CONFIG_DEBUG
+#    define message(...) lib_rawprintf(__VA_ARGS__)
+#    define trmessage    lib_rawprintf
+#  else
+#    define message(...) printf(__VA_ARGS__)
+#    define trmessage    printf
+#  endif
+#else
+#  ifdef CONFIG_DEBUG
+#    define message      lib_lowprintf
+#    define trmessage    lib_lowprintf
+#  else
+#    define message      printf
+#    define trmessage    printf
+#  endif
+#endif
+
+#define IOBUFFER_SIZE 256
+
+/****************************************************************************
+ * Public Types
+ ****************************************************************************/
+
+/* All USB terminal state data is packaged in a single structure to minimize
+ * name conflicts with other global symbols -- a poor man's name space.
+ */
+
+struct usbterm_globals_s
+{
+  FILE     *instream;  /* Stream for incoming USB data */
+  FILE     *outstream; /* Stream for outgoing USB data */
+  pthread_t listener;  /* USB terminal listener thread */
+  bool      peer;      /* True: A peer is connected to the serial port on
+                        * the remote host */
+
+  /* Buffers for incoming and outgoing data */
+
+  char     inbuffer[CONFIG_EXAMPLES_USBTERM_BUFLEN];
+  char     outbuffer[CONFIG_EXAMPLES_USBTERM_BUFLEN];
+};
+
+/****************************************************************************
+ * Public Variables
+ ****************************************************************************/
+
+/* USB terminal state data */
+
+extern struct usbterm_globals_s g_usbterm;
+
+/****************************************************************************
+ * Public Function Prototypes
+ ****************************************************************************/
+/****************************************************************************
+ * Name:
+ *
+ * Description:
+ *   If CONFIG_EXAMPLES_USBTERM_DEVINIT is defined, then the example will
+ *   call this user provided function as part of its initialization.
+ *
+ ****************************************************************************/
+
+#ifdef CONFIG_EXAMPLES_USBTERM_DEVINIT
+int usbterm_devinit(void);
+#endif
+
+/****************************************************************************
+ * Name:
+ *
+ * Description:
+ *   If CONFIG_EXAMPLES_USBTERM_DEVINIT is defined, then the example will
+ *   call this user provided function as part of its termination sequeunce.
+ *
+ ****************************************************************************/
+
+#ifdef CONFIG_EXAMPLES_USBTERM_DEVINIT
+void usbterm_devuninit(void);
+#endif
+
+#endif /* __APPS_EXAMPLES_USBTERM_USBTERM_H */