examples/nx: The NX example no longer supports single user mode.

examples/README.txt

@@ -1072,10 +1072,6 @@ examples/nx
 
     CONFIG_NSH_BUILTIN_APPS -- Build the NX example as a "built-in"
       that can be executed from the NSH command line
-    CONFIG_EXAMPLES_NX_VPLANE -- The plane to select from the frame-
-      buffer driver for use in the test.  Default: 0
-    CONFIG_EXAMPLES_NX_DEVNO - The LCD device to select from the LCD
-      driver for use in the test: Default: 0
     CONFIG_EXAMPLES_NX_BGCOLOR -- The color of the background.  Default depends on
       CONFIG_EXAMPLES_NX_BPP.
     CONFIG_EXAMPLES_NX_COLOR1 -- The color of window 1. Default depends on
@@ -1108,10 +1104,8 @@ examples/nx
       CONFIG_BOARDCTL_GRAPHICS=y so that the boardctl() interface
       will be available in order to access this function.
 
-  This test can be performed with either the single-user version of
+  This test requires the multiple user vrsion of NX selected with
-  NX or with the multiple user version of NX selected with CONFIG_NX_MULTIUSER.
+  CONFIG_NX_MULTIUSER.  Then the following configuration options also apply:
-  If CONFIG_NX_MULTIUSER is defined, then the following configuration
-  options also apply:
 
     CONFIG_EXAMPLES_NX_STACKSIZE -- The stacksize to use when creating
       the NX server.  Default 2048
@@ -1122,8 +1116,8 @@ examples/nx
     CONFIG_EXAMPLES_NX_NOTIFYSIGNO -- The signal number to use with
       nx_eventnotify().  Default: 4
 
-  If CONFIG_NX_MULTIUSER is defined, then the example also expects the
+  The example also has the following settings and will generate an error
-  following settings and will generate an error if they are not as expected:
+  if they are not as expected:
 
     CONFIG_DISABLE_MQUEUE=n
     CONFIG_DISABLE_SIGNALS=n

examples/nx/Kconfig

@@ -6,27 +6,12 @@
 config EXAMPLES_NX
 	bool "NX graphics example"
 	default n
+	depends on NX_MULTIUSER
 	---help---
 		Enable the NX graphics example
 
 if EXAMPLES_NX
 
-config EXAMPLES_NX_VPLANE
-	int "Video Plane"
-	default 0
-	depends on !NX_MULTIUSER
-	---help---
-		The plane to select from the framebuffer driver for use in the test.
-		Default: 0
-
-config EXAMPLES_NX_DEVNO
-	int "Video Device Number"
-	default 0
-	depends on !NX_MULTIUSER
-	---help---
-		The LCD device to select from the LCD driver for use in the test:
-		Default: 0
-
 config EXAMPLES_NX_DEFAULT_COLORS
 	bool "Use Default Colors"
 	default y
@@ -96,7 +81,7 @@ config EXAMPLES_NX_EXTERNINIT
 	default n
 	depends on LIB_BOARDCTL
 	select BOARDCTL_GRAPHICS
-	select NXSTART_EXTERNINIT if NX_MULTIUSER
+	select NXSTART_EXTERNINIT
 	---help---
 		The driver for the graphics device on this platform requires some
 		unusual initialization.  This is the for, for example, SPI LCD/OLED
@@ -113,8 +98,7 @@ config EXAMPLES_NX_EXTERNINIT
 		CONFIG_BOARDCTL_GRAPHICS=y so that the boardctl() interface
 		will be available in order to access this function.
 
-if NX_MULTIUSER
+comment "NX Server Options"
-comment "Multi-User Configuration Options"
 
 config EXAMPLES_NX_STACKSIZE
 	int "NX Server Stack Size"
@@ -147,4 +131,3 @@ config EXAMPLES_NX_NOTIFYSIGNO
 		The signal number to use with nx_eventnotify().  Default: 4
 
 endif
-endif

examples/nx/nx_events.c

@@ -296,7 +296,6 @@ static void nxeg_tbmousein(NXEGWINDOW hwnd, FAR const struct nxgl_point_s *pos,
  * Name: nx_listenerthread
  ****************************************************************************/
 
-#ifdef CONFIG_NX_MULTIUSER
 FAR void *nx_listenerthread(FAR void *arg)
 {
   int ret;
@@ -334,4 +333,3 @@ FAR void *nx_listenerthread(FAR void *arg)
         }
     }
 }
-#endif

examples/nx/nx_internal.h

@@ -126,7 +126,8 @@
 #  define CONFIG_EXAMPLES_NX_TOOLBAR_HEIGHT 16
 #endif
 
-#ifdef CONFIG_NX_MULTIUSER
+/* NX Server Options */
+
 #ifdef CONFIG_DISABLE_MQUEUE
 #  error "The multi-threaded example requires MQ support (CONFIG_DISABLE_MQUEUE=n)"
 #endif
@@ -154,7 +155,6 @@
 #ifndef CONFIG_EXAMPLES_NX_NOTIFYSIGNO
 #  define CONFIG_EXAMPLES_NX_NOTIFYSIGNO 4
 #endif
-#endif
 
 #ifdef CONFIG_EXAMPLES_NX_RAWWINDOWS
 #  define NXEGWINDOW NXWINDOW
@@ -259,9 +259,7 @@ extern nxgl_coord_t g_xres;
 extern nxgl_coord_t g_yres;
 
 extern bool b_haveresolution;
-#ifdef CONFIG_NX_MULTIUSER
 extern bool g_connected;
-#endif
 extern sem_t g_semevent;
 
 /* Colors used to fill window 1 & 2 */
@@ -276,9 +274,7 @@ extern nxgl_mxpixel_t g_tbcolor[CONFIG_NX_NPLANES];
  * Public Function Prototypes
  ****************************************************************************/
 
-#if defined(CONFIG_NX) && defined(CONFIG_NX_MULTIUSER)
 FAR void *nx_listenerthread(FAR void *arg);
-#endif
 
 #ifdef CONFIG_NX_KBD
 void nxeg_kbdin(NXWINDOW hwnd, uint8_t nch, const uint8_t *ch, FAR void *arg);

examples/nx/nx_main.c

@@ -119,9 +119,7 @@ nxgl_coord_t g_xres;
 nxgl_coord_t g_yres;
 
 bool b_haveresolution = false;
-#ifdef CONFIG_NX_MULTIUSER
 bool g_connected = false;
-#endif
 sem_t g_semevent = {0};
 
 /* Colors used to fill window 1 & 2 */
@@ -412,129 +410,27 @@ static inline int nxeg_raise(NXEGWINDOW hwnd)
 }
 #endif
 
-/****************************************************************************
- * Name: nxeg_suinitialize
- ****************************************************************************/
-
-#ifndef CONFIG_NX_MULTIUSER
-static inline int nxeg_suinitialize(void)
-{
-  FAR NX_DRIVERTYPE *dev;
-  int ret;
-
-#if defined(CONFIG_EXAMPLES_NX_EXTERNINIT)
-  struct boardioc_graphics_s devinfo;
-
-  /* Use external graphics driver initialization */
-
-  printf("nxeg_initialize: Initializing external graphics device\n");
-
-  devinfo.devno = CONFIG_EXAMPLES_NX_DEVNO;
-  devinfo.dev = NULL;
-
-  ret = boardctl(BOARDIOC_GRAPHICS_SETUP, (uintptr_t)&devinfo);
-  if (ret < 0)
-    {
-      printf("nxeg_initialize: boardctl failed, devno=%d: %d\n",
-             CONFIG_EXAMPLES_NX_DEVNO, errno);
-      g_exitcode = NXEXIT_EXTINITIALIZE;
-      return ERROR;
-    }
-
-  dev = devinfo.dev;
-
-#elif defined(CONFIG_NX_LCDDRIVER)
-  /* Initialize the LCD device */
-
-  printf("nxeg_initialize: Initializing LCD\n");
-  ret = board_lcd_initialize();
-  if (ret < 0)
-    {
-      printf("nxeg_initialize: board_lcd_initialize failed: %d\n", -ret);
-      g_exitcode = NXEXIT_LCDINITIALIZE;
-      return ERROR;
-    }
-
-  /* Get the device instance */
-
-  dev = board_lcd_getdev(CONFIG_EXAMPLES_NX_DEVNO);
-  if (!dev)
-    {
-      printf("nxeg_initialize: board_lcd_getdev failed, devno=%d\n",
-             CONFIG_EXAMPLES_NX_DEVNO);
-      g_exitcode = NXEXIT_LCDGETDEV;
-      return ERROR;
-    }
-
-  /* Turn the LCD on at 75% power */
-
-  (void)dev->setpower(dev, ((3*CONFIG_LCD_MAXPOWER + 3)/4));
-
-#else
-  /* Initialize the frame buffer device */
-
-  printf("nxeg_initialize: Initializing framebuffer\n");
-
-  ret = up_fbinitialize(0);
-  if (ret < 0)
-    {
-      printf("nxeg_initialize: up_fbinitialize failed: %d\n", -ret);
-
-      g_exitcode = NXEXIT_FBINITIALIZE;
-      return ERROR;
-    }
-
-  dev = up_fbgetvplane(0, CONFIG_EXAMPLES_NX_VPLANE);
-  if (!dev)
-    {
-      printf("nxeg_initialize: up_fbgetvplane failed, vplane=%d\n",
-             CONFIG_EXAMPLES_NX_VPLANE);
-
-      g_exitcode = NXEXIT_FBGETVPLANE;
-      return ERROR;
-    }
-#endif
-
-  /* Then open NX */
-
-  printf("nxeg_initialize: Open NX\n");
-
-  g_hnx = nx_open(dev);
-  if (!g_hnx)
-    {
-      printf("nxeg_suinitialize: nx_open failed: %d\n", errno);
-
-      g_exitcode = NXEXIT_NXOPEN;
-      return ERROR;
-    }
-
-#ifdef CONFIG_VNCSERVER
-  /* Setup the VNC server to support keyboard/mouse inputs */
-
-  ret = vnc_default_fbinitialize(0, g_hnx);
-  if (ret < 0)
-    {
-      printf("vnc_default_fbinitialize failed: %d\n", ret);
-      nx_close(g_hnx);
-      g_exitcode = NXEXIT_FBINITIALIZE;
-      return ERROR;
-    }
-#endif
-
-  return OK;
-}
-#endif
-
 /****************************************************************************
  * Name: nxeg_initialize
  ****************************************************************************/
 
-#ifdef CONFIG_NX_MULTIUSER
+static int nxeg_initialize(void)
-static inline int nxeg_muinitialize(void)
 {
   struct sched_param param;
   pthread_t thread;
   int ret;
+  int i;
+
+  /* Initialize window colors */
+
+  for (i = 0; i < CONFIG_NX_NPLANES; i++)
+    {
+      g_color1[i]  = CONFIG_EXAMPLES_NX_COLOR1;
+      g_color2[i]  = CONFIG_EXAMPLES_NX_COLOR2;
+#ifndef CONFIG_EXAMPLES_NX_RAWWINDOWS
+      g_tbcolor[i] = CONFIG_EXAMPLES_NX_TBCOLOR;
+#endif
+    }
 
   /* Set the client task priority */
 
@@ -614,33 +510,6 @@ static inline int nxeg_muinitialize(void)
 
   return OK;
 }
-#endif
-
-/****************************************************************************
- * Name: nxeg_initialize
- ****************************************************************************/
-
-static int nxeg_initialize(void)
-{
-  int i;
-
-  /* Initialize window colors */
-
-  for (i = 0; i < CONFIG_NX_NPLANES; i++)
-    {
-      g_color1[i]  = CONFIG_EXAMPLES_NX_COLOR1;
-      g_color2[i]  = CONFIG_EXAMPLES_NX_COLOR2;
-#ifndef CONFIG_EXAMPLES_NX_RAWWINDOWS
-      g_tbcolor[i] = CONFIG_EXAMPLES_NX_TBCOLOR;
-#endif
-    }
-
-#ifdef CONFIG_NX_MULTIUSER
-  return nxeg_muinitialize();
-#else
-  return nxeg_suinitialize();
-#endif
-}
 
 /****************************************************************************
  * Public Functions
@@ -921,17 +790,11 @@ errout_with_hwnd1:
   (void)nxeg_closewindow(hwnd1, &g_wstate[0]);
 
 errout_with_nx:
-#ifdef CONFIG_NX_MULTIUSER
   /* Disconnect from the server */
 
   printf("nx_main: Disconnect from the server\n");
   nx_disconnect(g_hnx);
-#else
-  /* Close the window */
 
-  printf("nx_main: Close NX\n");
-  nx_close(g_hnx);
-#endif
 errout:
   return g_exitcode;
 }