configs/boardctl.c, include/sys/boardctl.h: Add a command to start the VNC server.

include/sys/boardctl.h

@@ -45,6 +45,10 @@
 
 #include <nuttx/fs/ioctl.h>
 
+#ifdef CONFIG_VNCSERVER
+#  include <nuttx/nx/nx.h>
+#endif
+
 #ifdef CONFIG_NXTERM
 #  include <nuttx/nx/nxterm.h>
 #endif
@@ -119,6 +123,13 @@
  * CONFIGURATION: CONFIG_NX
  * DEPENDENCIES:  Base graphics logic provides nxmu_start()
  *
+ * CMD:           BOARDIOC_VNC_START
+ * DESCRIPTION:   Start the NX server and framebuffer driver.
+ * ARG:           A reference readable instance of struct
+ *                boardioc_vncstart_s
+ * CONFIGURATION: CONFIG_VNCSERVER
+ * DEPENDENCIES:  VNC server provides vnc_default_fbinitialize()
+ *
  * CMD:           BOARDIOC_NXTERM
  * DESCRIPTION:   Create an NX terminal device
  * ARG:           A reference readable/writable instance of struct
@@ -161,10 +172,11 @@
 #define BOARDIOC_OS_SYMTAB         _BOARDIOC(0x0007)
 #define BOARDIOC_USBDEV_CONTROL    _BOARDIOC(0x0008)
 #define BOARDIOC_NX_START          _BOARDIOC(0x0009)
-#define BOARDIOC_NXTERM            _BOARDIOC(0x000a)
-#define BOARDIOC_NXTERM_REDRAW     _BOARDIOC(0x000b)
-#define BOARDIOC_NXTERM_KBDIN      _BOARDIOC(0x000c)
-#define BOARDIOC_TESTSET           _BOARDIOC(0x000d)
+#define BOARDIOC_VNC_START         _BOARDIOC(0x000a)
+#define BOARDIOC_NXTERM            _BOARDIOC(0x000b)
+#define BOARDIOC_NXTERM_REDRAW     _BOARDIOC(0x000c)
+#define BOARDIOC_NXTERM_KBDIN      _BOARDIOC(0x000d)
+#define BOARDIOC_TESTSET           _BOARDIOC(0x000e)
 
 /* If CONFIG_BOARDCTL_IOCTL=y, then board-specific commands will be support.
  * In this case, all commands not recognized by boardctl() will be forwarded
@@ -173,31 +185,13 @@
  * User defined board commands may begin with this value:
  */
 
-#define BOARDIOC_USER              _BOARDIOC(0x000e)
+#define BOARDIOC_USER              _BOARDIOC(0x000f)
 
 /****************************************************************************
  * Public Type Definitions
  ****************************************************************************/
 
-/* Structure used to pass arguments and get returned values from the
- * BOARDIOC_GRAPHICS_SETUP command.
- */
-
-#ifdef CONFIG_NX_LCDDRIVER
-struct lcd_dev_s;                /* Forward reference */
-#else
-struct fb_vtable_s;              /* Forward reference */
-#endif
-
-struct boardioc_graphics_s
-{
-  int devno;                     /* IN: Graphics device number */
-#ifdef CONFIG_NX_LCDDRIVER
-  FAR struct lcd_dev_s *dev;     /* OUT: LCD driver instance */
-#else
-  FAR struct fb_vtable_s *dev;   /* OUT: Framebuffer driver instance */
-#endif
-};
+/* Structures used with IOCTL commands */
 
 /* In order to full describe a symbol table, a vector containing the address
  * of the symbol table and the number of elements in the symbol table is
@@ -271,7 +265,19 @@ struct boardioc_usbdev_ctrl_s
 };
 #endif /* CONFIG_BOARDCTL_USBDEVCTRL */
 
+#ifdef CONFIG_VNCSERVER
+/* Argument passed with the BOARDIOC_VNC_START command */
+
+struct boardioc_vncstart_s
+{
+  int display;                    /* Display number */
+  NXHANDLE handle;                /* Handle returned by nx_connect */
+};
+#endif
+
 #ifdef CONFIG_NXTERM
+/* Arguments passed with the BOARDIOC_NXTERM command */
+
 enum boardioc_termtype_e
 {
   BOARDIOC_XTERM_RAW = 0,         /* Raw NX terminal window */
@@ -288,7 +294,8 @@ struct boardioc_nxterm_create_s
   uint8_t minor;                  /* Terminal device minor number, N, in
                                    * /dev/nxtermN.  0 <= N <= 255 */
 };
-/* Structures used with IOCTL commands */
+
+/* Arguments passed with the BOARDIOC_NXTERM_REDRAW command */
 
 struct boardioc_nxterm_redraw_s
 {
@@ -298,6 +305,8 @@ struct boardioc_nxterm_redraw_s
 };
 
 #ifdef CONFIG_NXTERM_NXKBDIN
+/* Arguments passed with the BOARDIOC_NXTERM_KBDIN command */
+
 struct boardioc_nxterm_kbdin_s
 {
   NXTERM handle;                            /* NxTerm handle */