Resync new repository with old repo r5166

git-svn-id: http://svn.code.sf.net/p/nuttx/code/trunk@5153 42af7a65-404d-4744-a932-0658087f49c3

apps/examples/nxconsole/Kconfig

@@ -0,0 +1,13 @@
+#
+# For a description of the syntax of this configuration file,
+# see misc/tools/kconfig-language.txt.
+#
+
+config EXAMPLES_NXCONSOLE
+	bool "NxConsole example"
+	default n
+	---help---
+		Enable the NxConsole example
+
+if EXAMPLES_NXCONSOLE
+endif

apps/examples/nxconsole/Makefile

@@ -0,0 +1,93 @@
+############################################################################
+# apps/examples/nxconsole/Makefile
+#
+#   Copyright (C) 2011 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.
+#
+############################################################################
+
+-include $(TOPDIR)/.config
+-include $(TOPDIR)/Make.defs
+include $(APPDIR)/Make.defs
+
+# NuttX NX Console Example.
+
+ASRCS		=
+CSRCS		= nxcon_main.c nxcon_toolbar.c nxcon_wndo.c nxcon_server.c
+
+AOBJS		= $(ASRCS:.S=$(OBJEXT))
+COBJS		= $(CSRCS:.c=$(OBJEXT))
+
+SRCS		= $(ASRCS) $(CSRCS)
+OBJS		= $(AOBJS) $(COBJS)
+
+ifeq ($(WINTOOL),y)
+  BIN		= "${shell cygpath -w  $(APPDIR)/libapps$(LIBEXT)}"
+else
+  BIN		= "$(APPDIR)/libapps$(LIBEXT)"
+endif
+
+ROOTDEPPATH	= --dep-path .
+
+# Common build
+
+VPATH		= 
+
+all: .built
+.PHONY: context clean depend distclean
+
+$(AOBJS): %$(OBJEXT): %.S
+	$(call ASSEMBLE, $<, $@)
+
+$(COBJS): %$(OBJEXT): %.c
+	$(call COMPILE, $<, $@)
+
+.built: $(OBJS)
+	@( for obj in $(OBJS) ; do \
+		$(call ARCHIVE, $(BIN), $${obj}); \
+	done ; )
+	@touch .built
+
+context:
+
+.depend: Makefile $(SRCS)
+	@$(MKDEP) $(ROOTDEPPATH) $(CC) -- $(CFLAGS) -- $(SRCS) >Make.dep
+	@touch $@
+
+depend: .depend
+
+clean:
+	@rm -f *.o *~ .*.swp .built
+	$(call CLEAN)
+
+distclean: clean
+	@rm -f Make.dep .depend
+
+-include Make.dep

apps/examples/nxconsole/nxcon_internal.h

@@ -0,0 +1,310 @@
+/****************************************************************************
+ * examples/nxconsole/nxcon_internal.h
+ *
+ *   Copyright (C) 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 __EXAMPLES_NXCONSOLE_NXCON_INTERNAL_H
+#define __EXAMPLES_NXCONSOLE_NXCON_INTERNAL_H
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+
+#include <stdint.h>
+#include <stdbool.h>
+#include <semaphore.h>
+
+#include <nuttx/rgbcolors.h>
+
+#include <nuttx/nx/nx.h>
+#include <nuttx/nx/nxglib.h>
+#include <nuttx/nx/nxtk.h>
+#include <nuttx/nx/nxconsole.h>
+
+/****************************************************************************
+ * Definitions
+ ****************************************************************************/
+/* Configuration ************************************************************/
+/* Need NX graphics support */
+
+#ifndef CONFIG_NX
+#  error "NX is not enabled (CONFIG_NX=y)"
+#endif
+
+/* Can't do the NxConsole example if the NxConsole driver is not built */
+
+#ifndef CONFIG_NXCONSOLE
+#  error "NxConsole is not enabled (CONFIG_NXCONSOLE=y)"
+#endif
+
+/* NxConsole requires NX Multi-user mode */
+
+#ifndef CONFIG_NX_MULTIUSER
+#  error "Multi-user NX support is required (CONFIG_NX_MULTIUSER=y)"
+#endif
+
+/* If there is no NSH console, then why are we running this example? */
+
+#ifndef CONFIG_NSH_CONSOLE
+#  warning "Expected CONFIG_NSH_CONSOLE=y"
+#endif
+
+/* The NSH telnet console requires networking support (and TCP/IP) */
+
+#ifndef CONFIG_NET
+#  undef CONFIG_NSH_TELNET
+#endif
+
+/* If not specified, assume that the hardware supports one video plane */
+
+#if CONFIG_NX_NPLANES != 1
+#  error "Only CONFIG_NX_NPLANES==1 supported"
+#endif
+
+#ifndef CONFIG_EXAMPLES_NXCON_VPLANE
+#  define CONFIG_EXAMPLES_NXCON_VPLANE 0
+#endif
+
+/* Pixel depth.  If none provided, pick the smallest enabled pixel depth */
+
+#ifndef CONFIG_EXAMPLES_NXCON_BPP
+#  if !defined(CONFIG_NX_DISABLE_1BPP)
+#    define CONFIG_EXAMPLES_NXCON_BPP 1
+#  elif !defined(CONFIG_NX_DISABLE_2BPP)
+#    define CONFIG_EXAMPLES_NXCON_BPP 2
+#  elif !defined(CONFIG_NX_DISABLE_4BPP)
+#    define CONFIG_EXAMPLES_NXCON_BPP 4
+#  elif !defined(CONFIG_NX_DISABLE_8BPP)
+#    define CONFIG_EXAMPLES_NXCON_BPP 8
+#  elif !defined(CONFIG_NX_DISABLE_16BPP)
+#    define CONFIG_EXAMPLES_NXCON_BPP 16
+//#elif !defined(CONFIG_NX_DISABLE_24BPP)
+//#    define CONFIG_NXCONSOLE_BPP 24
+#  elif !defined(CONFIG_NX_DISABLE_32BPP)
+#    define CONFIG_EXAMPLES_NXCON_BPP 32
+#  else
+#    error "No pixel depth provided"
+#  endif
+#endif
+
+/* Background color (default is darker royal blue) */
+
+#ifndef CONFIG_EXAMPLES_NXCON_BGCOLOR
+#  if CONFIG_EXAMPLES_NXCON_BPP == 24 || CONFIG_EXAMPLES_NXCON_BPP == 32
+#    define CONFIG_EXAMPLES_NXCON_BGCOLOR RGBTO24(39, 64, 139)
+#  elif CONFIG_EXAMPLES_NXCON_BPP == 16
+#    define CONFIG_EXAMPLES_NXCON_BGCOLOR RGBTO16(39, 64, 139)
+#  else
+#    define CONFIG_EXAMPLES_NXCON_BGCOLOR RGBTO8(39, 64, 139)
+# endif
+#endif
+
+/* Window color (lighter steel blue) */
+
+#ifndef CONFIG_EXAMPLES_NXCON_WCOLOR
+#  if CONFIG_EXAMPLES_NXCON_BPP == 24 || CONFIG_EXAMPLES_NXCON_BPP == 32
+#    define CONFIG_EXAMPLES_NXCON_WCOLOR RGBTO24(202, 225, 255)
+#  elif CONFIG_EXAMPLES_NXCON_BPP == 16
+#    define CONFIG_EXAMPLES_NXCON_WCOLOR RGBTO16(202, 225, 255)
+#  else
+#    define CONFIG_EXAMPLES_NXCON_WCOLOR RGBTO8(202, 225, 255)
+# endif
+#endif
+
+/* Toolbar color (medium grey) */
+
+#ifndef CONFIG_EXAMPLES_NXCON_TBCOLOR
+#  if CONFIG_EXAMPLES_NX_BPP == 24 || CONFIG_EXAMPLES_NX_BPP == 32
+#    define CONFIG_EXAMPLES_NXCON_TBCOLOR RGBTO24(188, 188, 188)
+#  elif CONFIG_EXAMPLES_NX_BPP == 16
+#    define CONFIG_EXAMPLES_NXCON_TBCOLOR RGBTO16(188, 188, 188)
+#  else
+#    define CONFIG_EXAMPLES_NXCON_TBCOLOR RGBTO8(188, 188, 188)
+#  endif
+#endif
+
+/* Font ID */
+
+#ifndef CONFIG_EXAMPLES_NXCON_FONTID
+#  define CONFIG_EXAMPLES_NXCON_FONTID NXFONT_DEFAULT
+#endif
+
+/* Font color */
+
+#ifndef CONFIG_EXAMPLES_NXCON_FONTCOLOR
+#  if CONFIG_EXAMPLES_NXCON_BPP == 24 || CONFIG_EXAMPLES_NXCON_BPP == 32
+#    define CONFIG_EXAMPLES_NXCON_FONTCOLOR RGBTO24(0, 0, 0)
+#  elif CONFIG_EXAMPLES_NXCON_BPP == 16
+#    define CONFIG_EXAMPLES_NXCON_FONTCOLOR RGBTO16(0, 0, 0)
+#  else
+#    define CONFIG_EXAMPLES_NXCON_FONTCOLOR RGBTO8(0, 0, 0)
+#  endif
+#endif
+
+/* Height of the toolbar */
+
+#ifndef CONFIG_EXAMPLES_NXCON_TOOLBAR_HEIGHT
+#  define CONFIG_EXAMPLES_NXCON_TOOLBAR_HEIGHT 16
+#endif
+
+/* Multi-user NX support */
+
+#ifdef CONFIG_DISABLE_MQUEUE
+#  error "The multi-threaded example requires MQ support (CONFIG_DISABLE_MQUEUE=n)"
+#endif
+#ifdef CONFIG_DISABLE_SIGNALS
+#  error "This example requires signal support (CONFIG_DISABLE_SIGNALS=n)"
+#endif
+#ifdef CONFIG_DISABLE_PTHREAD
+#  error "This example requires pthread support (CONFIG_DISABLE_PTHREAD=n)"
+#endif
+#ifndef CONFIG_NX_BLOCKING
+#  error "This example depends on CONFIG_NX_BLOCKING"
+#endif
+#ifndef CONFIG_EXAMPLES_NXCON_STACKSIZE
+#  define CONFIG_EXAMPLES_NXCON_STACKSIZE 2048
+#endif
+#ifndef CONFIG_EXAMPLES_NXCON_LISTENERPRIO
+#  define CONFIG_EXAMPLES_NXCON_LISTENERPRIO 100
+#endif
+#ifndef CONFIG_EXAMPLES_NXCON_CLIENTPRIO
+#  define CONFIG_EXAMPLES_NXCON_CLIENTPRIO 100
+#endif
+#ifndef CONFIG_EXAMPLES_NXCON_SERVERPRIO
+#  define CONFIG_EXAMPLES_NXCON_SERVERPRIO 120
+#endif
+#ifndef CONFIG_EXAMPLES_NXCON_NOTIFYSIGNO
+#  define CONFIG_EXAMPLES_NXCON_NOTIFYSIGNO 4
+#endif
+
+/* Graphics Device */
+
+#ifndef CONFIG_EXAMPLES_NXCON_DEVNO
+#  define CONFIG_EXAMPLES_NXCON_DEVNO 0
+#endif
+
+/* NX Console Device */
+
+#ifndef CONFIG_EXAMPLES_NXCON_MINOR
+#  define CONFIG_EXAMPLES_NXCON_MINOR 0
+#endif
+
+#ifndef CONFIG_EXAMPLES_NXCON_DEVNAME
+#  define CONFIG_EXAMPLES_NXCON_DEVNAME "/dev/nxcon0"
+#endif
+
+/* NxConsole task */
+
+#ifndef CONFIG_EXAMPLES_NXCONSOLE_PRIO
+#  define CONFIG_EXAMPLES_NXCONSOLE_PRIO SCHED_PRIORITY_DEFAULT
+#endif
+
+#ifndef CONFIG_EXAMPLES_NXCONSOLE_STACKSIZE
+#  define CONFIG_EXAMPLES_NXCONSOLE_STACKSIZE 2048
+#endif
+
+/* Debug ********************************************************************/
+
+#ifdef CONFIG_CPP_HAVE_VARARGS
+#  ifdef CONFIG_DEBUG
+#    define message(...) lib_lowprintf(__VA_ARGS__)
+#    define msgflush()
+#  else
+#    define message(...) printf(__VA_ARGS__)
+#    define msgflush() fflush(stdout)
+#  endif
+#else
+#  ifdef CONFIG_DEBUG
+#    define message lib_lowprintf
+#    define msgflush()
+#  else
+#    define message printf
+#    define msgflush() fflush(stdout)
+#  endif
+#endif
+
+/****************************************************************************
+ * Public Types
+ ****************************************************************************/
+
+/* All example global variables are retained in a structure to minimize
+ * the chance of name collisions.
+ */
+
+struct nxcon_state_s
+{
+  volatile bool         haveres;   /* True: Have screen resolution */
+  volatile bool         connected; /* True: Connected to server */
+  sem_t                 eventsem;  /* Control waiting for display events */
+  pid_t                 pid;       /* Console task ID */
+  NXHANDLE              hnx;       /* The connection handler */
+  NXTKWINDOW            hwnd;      /* The window */
+  NXCONSOLE             hdrvr;     /* The console driver */
+  struct nxcon_window_s wndo;      /* Describes the window */
+  nxgl_coord_t          xres;      /* Screen X resolution */
+  nxgl_coord_t          yres;      /* Screen Y resolution */
+  struct nxgl_size_s    wsize;     /* Window size */
+  struct nxgl_point_s   wpos;      /* Window position */
+};
+
+/****************************************************************************
+ * Public Variables
+ ****************************************************************************/
+/* All example global variables are retained in a structure to minimize
+ * the chance of name collisions.
+ */
+
+extern struct nxcon_state_s g_nxcon_vars;
+
+/* NX callback vtables */
+
+extern const struct nx_callback_s g_nxconcb;
+extern const struct nx_callback_s g_nxtoolcb;
+
+/****************************************************************************
+ * Public Function Prototypes
+ ****************************************************************************/
+/* Board-specific driver intiialization */
+
+#ifdef CONFIG_EXAMPLES_NXCON_EXTERNINIT
+extern FAR NX_DRIVERTYPE *up_nxdrvinit(unsigned int devno);
+#endif
+
+/* Server thread support */
+
+extern int nxcon_server(int argc, char *argv[]);
+extern FAR void *nxcon_listener(FAR void *arg);
+
+#endif /* __EXAMPLES_NXCONSOLE_NXCON_INTERNAL_H */

apps/examples/nxconsole/nxcon_main.c

@@ -0,0 +1,412 @@
+/****************************************************************************
+ * examples/nxconsole/nxcon_main.c
+ *
+ *   Copyright (C) 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.
+ *
+ ****************************************************************************/
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+
+#include <sys/types.h>
+
+#include <stdint.h>
+#include <stdbool.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <string.h>
+#include <errno.h>
+#include <debug.h>
+
+#ifdef CONFIG_NX_LCDDRIVER
+#  include <nuttx/lcd/lcd.h>
+#else
+#  include <nuttx/fb.h>
+#endif
+
+#include <nuttx/arch.h>
+#include <nuttx/nx/nx.h>
+#include <nuttx/nx/nxglib.h>
+#include <nuttx/nx/nxfonts.h>
+#include <nuttx/nx/nxconsole.h>
+
+#include <apps/nsh.h>
+
+#include "nxcon_internal.h"
+
+/****************************************************************************
+ * Pre-processor Definitions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Private Types
+ ****************************************************************************/
+
+/****************************************************************************
+ * Private Function Prototypes
+ ****************************************************************************/
+
+/****************************************************************************
+ * Private Data
+ ****************************************************************************/
+
+/****************************************************************************
+ * Public Data
+ ****************************************************************************/
+
+/* All example global variables are retained in a structure to minimize
+ * the chance of name collisions.
+ */
+
+struct nxcon_state_s g_nxcon_vars;
+
+/****************************************************************************
+ * Private Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: nxcon_initialize
+ ****************************************************************************/
+
+static int nxcon_initialize(void)
+{
+  struct sched_param param;
+  pthread_t thread;
+  pid_t servrid;
+  int ret;
+
+  /* Set the client task priority */
+
+  param.sched_priority = CONFIG_EXAMPLES_NXCON_CLIENTPRIO;
+  ret = sched_setparam(0, &param);
+  if (ret < 0)
+    {
+      message("nxcon_initialize: sched_setparam failed: %d\n" , ret);
+      return ERROR;
+    }
+
+  /* Start the server task */
+
+  message("nxcon_initialize: Starting nxcon_server task\n");
+  servrid = task_create("NX Server", CONFIG_EXAMPLES_NXCON_SERVERPRIO,
+                        CONFIG_EXAMPLES_NXCON_STACKSIZE, nxcon_server, NULL);
+  if (servrid < 0)
+    {
+      message("nxcon_initialize: Failed to create nxcon_server task: %d\n", errno);
+      return ERROR;
+    }
+
+  /* Wait a bit to let the server get started */
+
+  sleep(1);
+
+  /* Connect to the server */
+
+  g_nxcon_vars.hnx = nx_connect();
+  if (g_nxcon_vars.hnx)
+    {
+       pthread_attr_t attr;
+
+       /* Start a separate thread to listen for server events.  This is probably
+        * the least efficient way to do this, but it makes this example flow more
+        * smoothly.
+        */
+
+       (void)pthread_attr_init(&attr);
+       param.sched_priority = CONFIG_EXAMPLES_NXCON_LISTENERPRIO;
+       (void)pthread_attr_setschedparam(&attr, &param);
+       (void)pthread_attr_setstacksize(&attr, CONFIG_EXAMPLES_NXCON_STACKSIZE);
+
+       ret = pthread_create(&thread, &attr, nxcon_listener, NULL);
+       if (ret != 0)
+         {
+            printf("nxcon_initialize: pthread_create failed: %d\n", ret);
+            return ERROR;
+         }
+
+       /* Don't return until we are connected to the server */
+
+       while (!g_nxcon_vars.connected)
+         {
+           /* Wait for the listener thread to wake us up when we really
+            * are connected.
+            */
+
+           (void)sem_wait(&g_nxcon_vars.eventsem);
+         }
+    }
+  else
+    {
+      message("nxcon_initialize: nx_connect failed: %d\n", errno);
+      return ERROR;
+    }
+  return OK;
+}
+
+/****************************************************************************
+ * Name: nxcon_task
+ ****************************************************************************/
+
+static int nxcon_task(int argc, char **argv)
+{
+  /* If the console front end is selected, then run it on this thread */
+
+#ifdef CONFIG_NSH_CONSOLE
+  (void)nsh_consolemain(0, NULL);
+#endif
+
+  printf("nxcon_task: Unregister the NX console device\n");
+  (void)nxcon_unregister(g_nxcon_vars.hdrvr);
+
+  printf("nxcon_task: Close the window\n");
+  (void)nxtk_closewindow(g_nxcon_vars.hwnd);
+
+  /* Disconnect from the server */
+
+  printf("nxcon_task: Disconnect from the server\n");
+  nx_disconnect(g_nxcon_vars.hnx);
+
+  return EXIT_SUCCESS;
+}
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: nxcon_main
+ ****************************************************************************/
+
+int nxcon_main(int argc, char **argv)
+{
+  nxgl_mxpixel_t color;
+  int fd;
+  int ret;
+
+  /* General Initialization *************************************************/
+  /* Reset all global data */
+
+  message("nxcon_main: Started\n");
+  memset(&g_nxcon_vars, 0, sizeof(struct nxcon_state_s));
+
+  /* Call all C++ static constructors */
+
+#if defined(CONFIG_HAVE_CXX) && defined(CONFIG_HAVE_CXXINITIALIZE)
+  up_cxxinitialize();
+#endif
+
+  /* NSH Initialization *****************************************************/
+  /* Initialize the NSH library */
+
+  message("nxcon_main: Initialize NSH\n");
+  nsh_initialize();
+
+  /* If the Telnet console is selected as a front-end, then start the
+   * Telnet daemon.
+   */
+
+#ifdef CONFIG_NSH_TELNET
+  ret = nsh_telnetstart();
+  if (ret < 0)
+    {
+     /* The daemon is NOT running.  Report the the error then fail...
+      * either with the serial console up or just exiting.
+      */
+
+     fprintf(stderr, "ERROR: Failed to start TELNET daemon: %d\n", ret);
+   }
+#endif
+  /* NX Initialization ******************************************************/
+  /* Initialize NX */
+
+  message("nxcon_main: Initialize NX\n");
+  ret = nxcon_initialize();
+  message("nxcon_main: NX handle=%p\n", g_nxcon_vars.hnx);
+  if (!g_nxcon_vars.hnx || ret < 0)
+    {
+      message("nxcon_main: Failed to get NX handle: %d\n", errno);
+      goto errout;
+    }
+
+  /* Set the background to the configured background color */
+
+  message("nxcon_main: Set background color=%d\n", CONFIG_EXAMPLES_NXCON_BGCOLOR);
+  color = CONFIG_EXAMPLES_NXCON_BGCOLOR;
+  ret = nx_setbgcolor(g_nxcon_vars.hnx, &color);
+  if (ret < 0)
+    {
+      message("nxcon_main: nx_setbgcolor failed: %d\n", errno);
+      goto errout_with_nx;
+    }
+
+  /* Window Configuration ***************************************************/
+  /* Create a window */
+
+  message("nxcon_main: Create window\n");
+  g_nxcon_vars.hwnd = nxtk_openwindow(g_nxcon_vars.hnx, &g_nxconcb, NULL);
+  if (!g_nxcon_vars.hwnd)
+    {
+      message("nxcon_main: nxtk_openwindow failed: %d\n", errno);
+      goto errout_with_nx;
+    }
+  message("nxcon_main: hwnd=%p\n", g_nxcon_vars.hwnd);
+
+  /* Wait until we have the screen resolution.  We'll have this immediately
+   * unless we are dealing with the NX server.
+   */
+
+  while (!g_nxcon_vars.haveres)
+    {
+      (void)sem_wait(&g_nxcon_vars.eventsem);
+    }
+  message("nxcon_main: Screen resolution (%d,%d)\n", g_nxcon_vars.xres, g_nxcon_vars.yres);
+
+  /* Determine the size and position of the window */
+
+  g_nxcon_vars.wndo.wsize.w = g_nxcon_vars.xres / 2 + g_nxcon_vars.xres / 4;
+  g_nxcon_vars.wndo.wsize.h = g_nxcon_vars.yres / 2 + g_nxcon_vars.yres / 4;
+
+  g_nxcon_vars.wpos.x       = g_nxcon_vars.xres / 8;
+  g_nxcon_vars.wpos.y       = g_nxcon_vars.yres / 8;
+
+  /* Set the window position */
+
+  message("nxcon_main: Set window position to (%d,%d)\n",
+          g_nxcon_vars.wpos.x, g_nxcon_vars.wpos.y);
+
+  ret = nxtk_setposition(g_nxcon_vars.hwnd, &g_nxcon_vars.wpos);
+  if (ret < 0)
+    {
+      message("nxcon_main: nxtk_setposition failed: %d\n", errno);
+      goto errout_with_hwnd;
+    }
+
+  /* Set the window size */
+
+  message("nxcon_main: Set window size to (%d,%d)\n",
+          g_nxcon_vars.wndo.wsize.w, g_nxcon_vars.wndo.wsize.h);
+
+  ret = nxtk_setsize(g_nxcon_vars.hwnd, &g_nxcon_vars.wndo.wsize);
+  if (ret < 0)
+    {
+      message("nxcon_main: nxtk_setsize failed: %d\n", errno);
+      goto errout_with_hwnd;
+    }
+
+  /* Open the toolbar */
+
+  message("nxcon_main: Add toolbar to window\n");
+  ret = nxtk_opentoolbar(g_nxcon_vars.hwnd, CONFIG_EXAMPLES_NXCON_TOOLBAR_HEIGHT, &g_nxtoolcb, NULL);
+  if (ret < 0)
+    {
+      message("nxcon_main: nxtk_opentoolbar failed: %d\n", errno);
+      goto errout_with_hwnd;
+    }
+
+  /* Sleep a little bit to allow the server to catch up */
+ 
+  sleep(2);
+
+  /* NxConsole Configuration ************************************************/
+  /* Use the window to create an NX console */
+
+  g_nxcon_vars.wndo.wcolor[0] = CONFIG_EXAMPLES_NXCON_WCOLOR;
+  g_nxcon_vars.wndo.fcolor[0] = CONFIG_EXAMPLES_NXCON_FONTCOLOR;
+  g_nxcon_vars.wndo.fontid    = CONFIG_EXAMPLES_NXCON_FONTID;
+
+  g_nxcon_vars.hdrvr = nxtk_register(g_nxcon_vars.hwnd, &g_nxcon_vars.wndo, CONFIG_EXAMPLES_NXCON_MINOR);
+  if (!g_nxcon_vars.hdrvr)
+    {
+      message("nxcon_main: nxtk_register failed: %d\n", errno);
+      goto errout_with_hwnd;
+    }
+
+  /* Open the NxConsole driver */
+
+  fd = open(CONFIG_EXAMPLES_NXCON_DEVNAME, O_WRONLY);
+  if (fd < 0)
+    {
+      message("nxcon_main: open %s read-only failed: %d\n",
+              CONFIG_EXAMPLES_NXCON_DEVNAME, errno);
+      goto errout_with_driver;
+    }
+
+  /* Start Console Task *****************************************************/
+  /* Now re-direct stdout and stderr so that they use the NX console driver.
+   * Note that stdin is retained (file descriptor 0, probably the the serial console).
+    */
+
+   message("nxcon_main: Starting the console task\n");
+   msgflush();
+
+  (void)fflush(stdout);
+  (void)fflush(stderr);
+
+  (void)fclose(stdout);
+  (void)fclose(stderr);
+
+  (void)dup2(fd, 1);
+  (void)dup2(fd, 2);
+
+   /* And we can close our original driver file descriptor */
+
+   close(fd);
+
+   /* And start the console task.  It will inherit stdin, stdout, and stderr
+    * from this task.
+    */
+ 
+   g_nxcon_vars.pid = TASK_CREATE("NxConsole", CONFIG_EXAMPLES_NXCONSOLE_PRIO,
+                                  CONFIG_EXAMPLES_NXCONSOLE_STACKSIZE,
+                                  nxcon_task, NULL);
+   ASSERT(g_nxcon_vars.pid > 0);
+   return EXIT_SUCCESS;
+
+  /* Error Exits ************************************************************/
+
+errout_with_driver:
+  (void)nxcon_unregister(g_nxcon_vars.hdrvr);
+
+errout_with_hwnd:
+  (void)nxtk_closewindow(g_nxcon_vars.hwnd);
+
+errout_with_nx:
+  /* Disconnect from the server */
+
+  nx_disconnect(g_nxcon_vars.hnx);
+errout:
+  return EXIT_FAILURE;
+}

apps/examples/nxconsole/nxcon_server.c

@@ -0,0 +1,189 @@
+/****************************************************************************
+ * examples/nxconsole/nxcon_server.c
+ *
+ *   Copyright (C) 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.
+ *
+ ****************************************************************************/
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <sched.h>
+#include <errno.h>
+#include <debug.h>
+
+#include <nuttx/arch.h>
+#include <nuttx/nx/nx.h>
+
+#ifdef CONFIG_NX_LCDDRIVER
+#  include <nuttx/lcd/lcd.h>
+#else
+#  include <nuttx/fb.h>
+#endif
+
+#include "nxcon_internal.h"
+
+/****************************************************************************
+ * Definitions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Private Types
+ ****************************************************************************/
+
+/****************************************************************************
+ * Private Data
+ ****************************************************************************/
+
+/****************************************************************************
+ * Private Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: nxcon_server
+ ****************************************************************************/
+
+int nxcon_server(int argc, char *argv[])
+{
+  FAR NX_DRIVERTYPE *dev;
+  int ret;
+
+#if defined(CONFIG_EXAMPLES_NXCON_EXTERNINIT)
+  /* Use external graphics driver initialization */
+
+  message("nxcon_server: Initializing external graphics device\n");
+  dev = up_nxdrvinit(CONFIG_EXAMPLES_NXCON_DEVNO);
+  if (!dev)
+    {
+      message("nxcon_server: up_nxdrvinit failed, devno=%d\n", CONFIG_EXAMPLES_NXCON_DEVNO);
+      return ERROR;
+    }
+
+#elif defined(CONFIG_NX_LCDDRIVER)
+  /* Initialize the LCD device */
+
+  message("nxcon_server: Initializing LCD\n");
+  ret = up_lcdinitialize();
+  if (ret < 0)
+    {
+      message("nxcon_server: up_lcdinitialize failed: %d\n", -ret);
+      return 1;
+    }
+
+  /* Get the device instance */
+
+  dev = up_lcdgetdev(CONFIG_EXAMPLES_NXCON_DEVNO);
+  if (!dev)
+    {
+      message("nxcon_server: up_lcdgetdev failed, devno=%d\n", CONFIG_EXAMPLES_NXCON_DEVNO);
+      return 2;
+    }
+
+  /* Turn the LCD on at 75% power */
+
+  (void)dev->setpower(dev, ((3*CONFIG_LCD_MAXPOWER + 3)/4));
+#else
+  /* Initialize the frame buffer device */
+
+  message("nxcon_server: Initializing framebuffer\n");
+  ret = up_fbinitialize();
+  if (ret < 0)
+    {
+      message("nxcon_server: up_fbinitialize failed: %d\n", -ret);
+      return 1;
+    }
+
+  dev = up_fbgetvplane(CONFIG_EXAMPLES_NXCON_VPLANE);
+  if (!dev)
+    {
+      message("nxcon_server: up_fbgetvplane failed, vplane=%d\n", CONFIG_EXAMPLES_NXCON_VPLANE);
+      return 2;
+    }
+#endif
+
+  /* Then start the server */
+
+  ret = nx_run(dev);
+  gvdbg("nx_run returned: %d\n", errno);
+  return 3;
+}
+
+/****************************************************************************
+ * Name: nxcon_listener
+ ****************************************************************************/
+
+FAR void *nxcon_listener(FAR void *arg)
+{
+  int ret;
+
+  /* Process events forever */
+
+  for (;;)
+    {
+      /* Handle the next event.  If we were configured blocking, then
+       * we will stay right here until the next event is received.  Since
+       * we have dedicated a while thread to servicing events, it would
+       * be most natural to also select CONFIG_NX_BLOCKING -- if not, the
+       * following would be a tight infinite loop (unless we added addition
+       * logic with nx_eventnotify and sigwait to pace it).
+       */
+
+      ret = nx_eventhandler(g_nxcon_vars.hnx);
+      if (ret < 0)
+        {
+          /* An error occurred... assume that we have lost connection with
+           * the server.
+           */
+
+          message("nxcon_listener: Lost server connection: %d\n", errno);
+          exit(EXIT_FAILURE);
+        }
+
+      /* If we received a message, we must be connected */
+
+      if (!g_nxcon_vars.connected)
+        {
+          g_nxcon_vars.connected = true;
+          sem_post(&g_nxcon_vars.eventsem);
+          message("nxcon_listener: Connected\n");
+        }
+    }
+}

apps/examples/nxconsole/nxcon_toolbar.c

@@ -0,0 +1,172 @@
+/****************************************************************************
+ * examples/nxconsole/nxcon_toolbar.c
+ *
+ *   Copyright (C) 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.
+ *
+ ****************************************************************************/
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+
+#include <stdint.h>
+#include <stdbool.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <semaphore.h>
+#include <errno.h>
+#include <debug.h>
+
+#include <nuttx/nx/nx.h>
+#include <nuttx/nx/nxfonts.h>
+
+#include "nxcon_internal.h"
+
+/****************************************************************************
+ * Definitions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Private Types
+ ****************************************************************************/
+
+/****************************************************************************
+ * Private Function Prototypes
+ ****************************************************************************/
+
+static void nxtool_redraw(NXWINDOW hwnd, FAR const struct nxgl_rect_s *rect,
+                          bool morem, FAR void *arg);
+static void nxtool_position(NXWINDOW hwnd, FAR const struct nxgl_size_s *size,
+                            FAR const struct nxgl_point_s *pos,
+                            FAR const struct nxgl_rect_s *bounds,
+                            FAR void *arg);
+#ifdef CONFIG_NX_MOUSE
+static void nxtool_mousein(NXWINDOW hwnd, FAR const struct nxgl_point_s *pos,
+                           uint8_t buttons, FAR void *arg);
+#endif
+
+#ifdef CONFIG_NX_KBD
+static void nxtool_kbdin(NXWINDOW hwnd, uint8_t nch, FAR const uint8_t *ch,
+                         FAR void *arg);
+#endif
+
+/****************************************************************************
+ * Private Data
+ ****************************************************************************/
+
+/****************************************************************************
+ * Public Data
+ ****************************************************************************/
+
+/* Background window call table */
+
+const struct nx_callback_s g_nxtoolcb =
+{
+  nxtool_redraw,   /* redraw */
+  nxtool_position  /* position */
+#ifdef CONFIG_NX_MOUSE
+  , nxtool_mousein /* mousein */
+#endif
+#ifdef CONFIG_NX_KBD
+  , nxtool_kbdin   /* my kbdin */
+#endif
+};
+
+/****************************************************************************
+ * Private Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: nxtool_redraw
+ ****************************************************************************/
+
+static void nxtool_redraw(NXWINDOW hwnd, FAR const struct nxgl_rect_s *rect,
+                          bool more, FAR void *arg)
+{
+  nxgl_mxpixel_t color[CONFIG_NX_NPLANES];
+  int ret;
+
+  gvdbg("hwnd=%p rect={(%d,%d),(%d,%d)} more=%s\n",
+         hwnd, rect->pt1.x, rect->pt1.y, rect->pt2.x, rect->pt2.y,
+         more ? "true" : "false");
+
+  color[0] = CONFIG_EXAMPLES_NXCON_TBCOLOR;
+  ret = nxtk_filltoolbar(hwnd, rect, color);
+  if (ret < 0)
+    {
+      gdbg("nxtk_filltoolbar failed: %d\n", errno);
+    }
+}
+
+/****************************************************************************
+ * Name: nxtool_position
+ ****************************************************************************/
+
+static void nxtool_position(NXWINDOW hwnd, FAR const struct nxgl_size_s *size,
+                            FAR const struct nxgl_point_s *pos,
+                            FAR const struct nxgl_rect_s *bounds,
+                            FAR void *arg)
+{
+  gvdbg("hwnd=%p size=(%d,%d) pos=(%d,%d) bounds={(%d,%d),(%d,%d)}\n",
+        hwnd, size->w, size->h, pos->x, pos->y,
+        bounds->pt1.x, bounds->pt1.y, bounds->pt2.x, bounds->pt2.y);
+}
+
+/****************************************************************************
+ * Name: nxtool_mousein
+ ****************************************************************************/
+
+#ifdef CONFIG_NX_MOUSE
+static void nxtool_mousein(NXWINDOW hwnd, FAR const struct nxgl_point_s *pos,
+                           uint8_t buttons, FAR void *arg)
+{
+  gvdbg("hwnd=%p pos=(%d,%d) button=%02x\n", hwnd,  pos->x, pos->y, buttons);
+}
+#endif
+
+/****************************************************************************
+ * Name: nxtool_kbdin
+ ****************************************************************************/
+
+#ifdef CONFIG_NX_KBD
+static void nxtool_kbdin(NXWINDOW hwnd, uint8_t nch, FAR const uint8_t *ch,
+                         FAR void *arg)
+{
+  gvdbg("hwnd=%p nch=%d\n", hwnd, nch);
+}
+#endif
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/

apps/examples/nxconsole/nxcon_wndo.c

@@ -0,0 +1,208 @@
+/****************************************************************************
+ * examples/nxconsole/nxcon_wndo.c
+ *
+ *   Copyright (C) 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.
+ *
+ ****************************************************************************/
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+
+#include <stdint.h>
+#include <stdbool.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <semaphore.h>
+#include <errno.h>
+#include <debug.h>
+
+#include <nuttx/nx/nx.h>
+#include <nuttx/nx/nxfonts.h>
+
+#include "nxcon_internal.h"
+
+/****************************************************************************
+ * Definitions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Private Types
+ ****************************************************************************/
+
+/****************************************************************************
+ * Private Function Prototypes
+ ****************************************************************************/
+
+static void nxwndo_redraw(NXWINDOW hwnd, FAR const struct nxgl_rect_s *rect,
+                          bool morem, FAR void *arg);
+static void nxwndo_position(NXWINDOW hwnd, FAR const struct nxgl_size_s *size,
+                            FAR const struct nxgl_point_s *pos,
+                            FAR const struct nxgl_rect_s *bounds,
+                            FAR void *arg);
+#ifdef CONFIG_NX_MOUSE
+static void nxwndo_mousein(NXWINDOW hwnd, FAR const struct nxgl_point_s *pos,
+                           uint8_t buttons, FAR void *arg);
+#endif
+
+#ifdef CONFIG_NX_KBD
+static void nxwndo_kbdin(NXWINDOW hwnd, uint8_t nch, FAR const uint8_t *ch,
+                         FAR void *arg);
+#endif
+
+/****************************************************************************
+ * Private Data
+ ****************************************************************************/
+
+/****************************************************************************
+ * Public Data
+ ****************************************************************************/
+
+/* Background window call table */
+
+const struct nx_callback_s g_nxconcb =
+{
+  nxwndo_redraw,   /* redraw */
+  nxwndo_position  /* position */
+#ifdef CONFIG_NX_MOUSE
+  , nxwndo_mousein /* mousein */
+#endif
+#ifdef CONFIG_NX_KBD
+  , nxwndo_kbdin   /* my kbdin */
+#endif
+};
+
+/****************************************************************************
+ * Private Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: nxwndo_redraw
+ ****************************************************************************/
+
+static void nxwndo_redraw(NXWINDOW hwnd, FAR const struct nxgl_rect_s *rect,
+                          bool more, FAR void *arg)
+{
+  nxgl_mxpixel_t wcolor[CONFIG_NX_NPLANES];
+
+  gvdbg("hwnd=%p rect={(%d,%d),(%d,%d)} more=%s\n",
+         hwnd, rect->pt1.x, rect->pt1.y, rect->pt2.x, rect->pt2.y,
+         more ? "true" : "false");
+
+  /* Don't attempt to redraw if the driver has not yet been opened */
+
+  if (g_nxcon_vars.hdrvr)
+    {
+      /* Inform the NX console of the redraw request */
+
+      nxcon_redraw(g_nxcon_vars.hdrvr, rect, more);
+    }
+  else
+    {
+      /* If the driver has not been opened, then just redraw the window color */
+
+      wcolor[0] = CONFIG_EXAMPLES_NXCON_WCOLOR;
+      (void)nxtk_fillwindow(hwnd, rect, wcolor);
+    }
+}
+
+/****************************************************************************
+ * Name: nxwndo_position
+ ****************************************************************************/
+
+static void nxwndo_position(NXWINDOW hwnd, FAR const struct nxgl_size_s *size,
+                            FAR const struct nxgl_point_s *pos,
+                            FAR const struct nxgl_rect_s *bounds,
+                            FAR void *arg)
+{
+  /* Report the position */
+
+  gvdbg("hwnd=%p size=(%d,%d) pos=(%d,%d) bounds={(%d,%d),(%d,%d)}\n",
+        hwnd, size->w, size->h, pos->x, pos->y,
+        bounds->pt1.x, bounds->pt1.y, bounds->pt2.x, bounds->pt2.y);
+
+  /* Have we picked off the window bounds yet? */
+
+  if (!g_nxcon_vars.haveres)
+    {
+      /* Save the background window handle */
+
+      g_nxcon_vars.hwnd = hwnd;
+
+      /* Save the background window size */
+
+      g_nxcon_vars.wndo.wsize.w = size->w;
+      g_nxcon_vars.wndo.wsize.h = size->h;
+
+      /* Save the window limits (these should be the same for all places and all windows */
+
+      g_nxcon_vars.xres = bounds->pt2.x + 1;
+      g_nxcon_vars.yres = bounds->pt2.y + 1;
+
+      g_nxcon_vars.haveres = true;
+      sem_post(&g_nxcon_vars.eventsem);
+      gvdbg("Have xres=%d yres=%d\n", g_nxcon_vars.xres, g_nxcon_vars.yres);
+    }
+}
+
+/****************************************************************************
+ * Name: nxwndo_mousein
+ ****************************************************************************/
+
+#ifdef CONFIG_NX_MOUSE
+static void nxwndo_mousein(NXWINDOW hwnd, FAR const struct nxgl_point_s *pos,
+                           uint8_t buttons, FAR void *arg)
+{
+  gvdbg("hwnd=%p pos=(%d,%d) button=%02x\n",
+        hwnd,  pos->x, pos->y, buttons);
+}
+#endif
+
+/****************************************************************************
+ * Name: nxwndo_kbdin
+ ****************************************************************************/
+
+#ifdef CONFIG_NX_KBD
+static void nxwndo_kbdin(NXWINDOW hwnd, uint8_t nch, FAR const uint8_t *ch,
+                         FAR void *arg)
+{
+  gvdbg("hwnd=%p nch=%d\n", hwnd, nch);
+  (void)write(1, ch, nch);
+}
+#endif
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/