examples/pwfb/pwfb_internal.h - nuttx-apps - Git at Google

 /****************************************************************************
  * apps/examples/pwfb/pwfb_internal.h
  *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The
  * ASF licenses this file to you under the Apache License, Version 2.0 (the
  * "License"); you may not use this file except in compliance with the
  * License.  You may obtain a copy of the License at
  *
  *   http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
  * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
  * License for the specific language governing permissions and limitations
  * under the License.
  *
  ****************************************************************************/

 #ifndef __APPS_EXAMPLES_PWFB_PWFB_INTERNAL_H
 #define __APPS_EXAMPLES_PWFB_PWFB_INTERNAL_H

 /****************************************************************************
  * Included Files
  ****************************************************************************/

 #include <nuttx/config.h>

 #include <stdint.h>
 #include <stdbool.h>
 #include <semaphore.h>
 #include <fixedmath.h>

 #include <nuttx/nx/nx.h>
 #include <nuttx/nx/nxtk.h>
 #include <nuttx/nx/nxfonts.h>

 /****************************************************************************
  * Pre-processor Definitions
  ****************************************************************************/

 /* Configuration ************************************************************/

 /* Required NX Server Settings */

 #ifndef CONFIG_NX
 #  error NX is not enabled (CONFIG_NX)
 #endif

 #ifdef CONFIG_DISABLE_MQUEUE
 #  error The multi-threaded example requires MQ support (CONFIG_DISABLE_MQUEUE=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

 /* WARNING:  Verbose graphics debug output interferes with this test because
  * it introduces some weird timing.  The test probably should use
  * nx_synchronize() to keep syncrhonization even with the added delays.
  */

 #ifdef CONFIG_DEBUG_GRAPHICS_INFO
 #  warning Verbose graphics debug output interferes with this test.
 #endif

 /* Task priorities */

 #if CONFIG_EXAMPLES_PWFB_CLIENT_PRIO >= CONFIG_EXAMPLES_PWFB_LISTENER_PRIO || \
     CONFIG_EXAMPLES_PWFB_CLIENT_PRIO >= CONFIG_NXSTART_SERVERPRIO
 #  warning Client priority must be lower than both the listener and server priorities
 #endif

 #if CONFIG_EXAMPLES_PWFB_LISTENER_PRIO >= CONFIG_NXSTART_SERVERPRIO
 #  warning Listener priority must be lower than the server priority
 #endif

 /* Default colors */

 #ifndef CONFIG_EXAMPLES_PWFB_BGCOLOR
 #  if CONFIG_EXAMPLES_PWFB_BPP == 24 || CONFIG_EXAMPLES_PWFB_BPP == 32
 #    define CONFIG_EXAMPLES_PWFB_BGCOLOR 0x007b68ee
 #  elif CONFIG_EXAMPLES_PWFB_BPP == 16
 #    define CONFIG_EXAMPLES_PWFB_BGCOLOR 0x7b5d
 #  else
 #    define CONFIG_EXAMPLES_PWFB_BGCOLOR ' '
 #  endif
 #endif

 #ifndef CONFIG_EXAMPLES_PWFB_COLOR1
 #  if CONFIG_EXAMPLES_PWFB_BPP == 24 || CONFIG_EXAMPLES_PWFB_BPP == 32
 #    define CONFIG_EXAMPLES_PWFB_COLOR1 0x00e6e6fa
 #  elif CONFIG_EXAMPLES_PWFB_BPP == 16
 #    define CONFIG_EXAMPLES_PWFB_COLOR1 0xe73f
 #  else
 #    define CONFIG_EXAMPLES_PWFB_COLOR1 '1'
 #  endif
 #endif

 #ifndef CONFIG_EXAMPLES_PWFB_COLOR2
 #  if CONFIG_EXAMPLES_PWFB_BPP == 24 || CONFIG_EXAMPLES_PWFB_BPP == 32
 #    define CONFIG_EXAMPLES_PWFB_COLOR2 0x00dcdcdc
 #  elif CONFIG_EXAMPLES_PWFB_BPP == 16
 #    define CONFIG_EXAMPLES_PWFB_COLOR2 0xdefb
 #  else
 #    define CONFIG_EXAMPLES_PWFB_COLOR2 '2'
 #  endif
 #endif

 #ifndef CONFIG_EXAMPLES_PWFB_COLOR3
 #  if CONFIG_EXAMPLES_PWFB_BPP == 24 || CONFIG_EXAMPLES_PWFB_BPP == 32
 #    define CONFIG_EXAMPLES_PWFB_COLOR3 0x00ffecb3
 #  elif CONFIG_EXAMPLES_PWFB_BPP == 16
 #    define CONFIG_EXAMPLES_PWFB_COLOR3 0xff76
 #  else
 #    define CONFIG_EXAMPLES_PWFB_COLOR3 '3'
 # endif
 #endif

 #ifndef CONFIG_EXAMPLES_PWFB_TBCOLOR
 #  if CONFIG_EXAMPLES_PWFB_BPP == 24 || CONFIG_EXAMPLES_PWFB_BPP == 32
 #    define CONFIG_EXAMPLES_PWFB_TBCOLOR 0x00a9a9a9
 #  elif CONFIG_EXAMPLES_PWFB_BPP == 16
 #    define CONFIG_EXAMPLES_PWFB_TBCOLOR 0xad55
 #  else
 #    define CONFIG_EXAMPLES_PWFB_TBCOLOR 'T'
 #  endif
 #endif

 #ifndef CONFIG_EXAMPLES_PWFB_FONTCOLOR
 #  if CONFIG_EXAMPLES_PWFB_BPP == 24 || CONFIG_EXAMPLES_PWFB_BPP == 32
 #    define CONFIG_EXAMPLES_PWFB_FONTCOLOR 0x00000000
 #  elif CONFIG_EXAMPLES_PWFB_BPP == 16
 #    define CONFIG_EXAMPLES_PWFB_FONTCOLOR 0x0000
 #  else
 #    define CONFIG_EXAMPLES_PWFB_FONTCOLOR 'F'
 #  endif
 #endif

 #ifdef CONFIG_EXAMPLES_PWFB_DEFAULT_FONT
 #  define CONFIG_EXAMPLES_PWFB_FONTID FONTID_DEFAULT
 #endif

 /* Cursor timing */

 #if CONFIG_EXAMPLES_PWFB_RATECONTROL > 0
 #  define CURSOR_MOVING_DELAY     (3000 / CONFIG_EXAMPLES_PWFB_RATECONTROL)
 #  define CURSOR_STATIONARY_DELAY (2000 / CONFIG_EXAMPLES_PWFB_RATECONTROL)
 #  define CURSOR_BLINKING_DELAY   (5000 / CONFIG_EXAMPLES_PWFB_RATECONTROL)
 #  define CURSOR_BLINK_DELAY      ( 500 / CONFIG_EXAMPLES_PWFB_RATECONTROL)
 #else
 #  define CURSOR_MOVING_DELAY     (0)
 #  define CURSOR_STATIONARY_DELAY (0)
 #  define CURSOR_BLINKING_DELAY   (0)
 #  define CURSOR_BLINK_DELAY      (0)
 #endif

 /****************************************************************************
  * Public Types
  ****************************************************************************/

 /* Describes the unique state of one window */

 struct pwfb_window_s
 {
   NXTKWINDOW hwnd;                         /* Window handle */
   nxgl_mxpixel_t color[CONFIG_NX_NPLANES]; /* Window color */
   FCACHE fcache;                           /* Font cache handle */
   b16_t xmax;                              /* Max X position */
   b16_t ymax;                              /* Max Y position */
   b16_t xpos;                              /* Current X position */
   b16_t ypos;                              /* Current Y position */
   b16_t deltax;                            /* Current X speed */
   b16_t deltay;                            /* Current Y speed */
 };

 #ifdef CONFIG_NX_SWCURSOR
 /* We will run the cursor in 3 different states:
  *
  * 1. Moving
  * 2. Stationary
  * 3. Enabling/disabling
  */

 enum pfwb_cursor_state_s
 {
   PFWB_CURSOR_MOVING = 0,
   PFWB_CURSOR_STATIONARY,
   PFWB_CURSOR_BLINKING
 };

 /* Describes the unique state of the cursor */

 struct pwfb_cursor_s
 {
   enum pfwb_cursor_state_s state;          /* Current cursor state */
   bool visible;                            /* True:  The cursor is visible */
   int countdown;                           /* Countdown until next state */
   int blinktime;                           /* Time remaining enabled/disabled */
   b16_t xmax;                              /* Max X position */
   b16_t ymax;                              /* Max Y position */
   b16_t xpos;                              /* Current X position */
   b16_t ypos;                              /* Current Y position */
   b16_t deltax;                            /* Current X speed */
   b16_t deltay;                            /* Current Y speed */
 };
 #endif
 /* Describes the overall state of the example */

 struct pwfb_state_s
 {
   /* NX server */

   volatile bool haveres;                   /* True:  Have screen resolution */
   volatile bool connected;                 /* True:  Connected to server */
   sem_t semevent;                          /* Event wait semaphore */
   NXHANDLE hnx;                            /* Connection handle */

   /* Font */

   NXHANDLE hfont;                          /* The font handle */

   /* Graphics hardware */

   nxgl_coord_t xres;                       /* Horizontal resolution */
   nxgl_coord_t yres;                       /* Vertical resolution */

   /* Common toolbar properties */

   nxgl_mxpixel_t color[CONFIG_NX_NPLANES]; /* Toolbar color */

   /* Font properties */

   uint8_t fheight;                         /* Max height of a font in pixels */
   uint8_t fwidth;                          /* Max width of a font in pixels */
   uint8_t spwidth;                         /* The width of a space */

 #ifdef CONFIG_NX_SWCURSOR
   /* Cursor-specific state */

   struct pwfb_cursor_s cursor;
 #endif

   /* Window-specific state */

   struct pwfb_window_s wndo[CONFIG_EXAMPLES_PWFB_NWINDOWS];
 };

 /****************************************************************************
  * Public Data
  ****************************************************************************/

 /* NX callback vtables */

 extern const struct nx_callback_s g_pwfb_wncb;
 extern const struct nx_callback_s g_pwfb_tbcb;

 /****************************************************************************
  * Public Function Prototypes
  ****************************************************************************/

 FAR void *pwfb_listener(FAR void *arg);
 bool pwfb_motion(FAR struct pwfb_state_s *st);

 #endif /* __APPS_EXAMPLES_PWFB_PWFB_INTERNAL_H */
	/****************************************************************************
	* apps/examples/pwfb/pwfb_internal.h
	*
	* Licensed to the Apache Software Foundation (ASF) under one or more
	* contributor license agreements. See the NOTICE file distributed with
	* this work for additional information regarding copyright ownership. The
	* ASF licenses this file to you under the Apache License, Version 2.0 (the
	* "License"); you may not use this file except in compliance with the
	* License. You may obtain a copy of the License at
	*
	* http://www.apache.org/licenses/LICENSE-2.0
	*
	* Unless required by applicable law or agreed to in writing, software
	* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
	* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
	* License for the specific language governing permissions and limitations
	* under the License.
	*
	****************************************************************************/

	#ifndef __APPS_EXAMPLES_PWFB_PWFB_INTERNAL_H
	#define __APPS_EXAMPLES_PWFB_PWFB_INTERNAL_H

	/****************************************************************************
	* Included Files
	****************************************************************************/

	#include <nuttx/config.h>

	#include <stdint.h>
	#include <stdbool.h>
	#include <semaphore.h>
	#include <fixedmath.h>

	#include <nuttx/nx/nx.h>
	#include <nuttx/nx/nxtk.h>
	#include <nuttx/nx/nxfonts.h>

	/****************************************************************************
	* Pre-processor Definitions
	****************************************************************************/

	/* Configuration ************************************************************/

	/* Required NX Server Settings */

	#ifndef CONFIG_NX
	# error NX is not enabled (CONFIG_NX)
	#endif

	#ifdef CONFIG_DISABLE_MQUEUE
	# error The multi-threaded example requires MQ support (CONFIG_DISABLE_MQUEUE=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

	/* WARNING: Verbose graphics debug output interferes with this test because
	* it introduces some weird timing. The test probably should use
	* nx_synchronize() to keep syncrhonization even with the added delays.
	*/

	#ifdef CONFIG_DEBUG_GRAPHICS_INFO
	# warning Verbose graphics debug output interferes with this test.
	#endif

	/* Task priorities */

	#if CONFIG_EXAMPLES_PWFB_CLIENT_PRIO >= CONFIG_EXAMPLES_PWFB_LISTENER_PRIO \|\| \
	CONFIG_EXAMPLES_PWFB_CLIENT_PRIO >= CONFIG_NXSTART_SERVERPRIO
	# warning Client priority must be lower than both the listener and server priorities
	#endif

	#if CONFIG_EXAMPLES_PWFB_LISTENER_PRIO >= CONFIG_NXSTART_SERVERPRIO
	# warning Listener priority must be lower than the server priority
	#endif

	/* Default colors */

	#ifndef CONFIG_EXAMPLES_PWFB_BGCOLOR
	# if CONFIG_EXAMPLES_PWFB_BPP == 24 \|\| CONFIG_EXAMPLES_PWFB_BPP == 32
	# define CONFIG_EXAMPLES_PWFB_BGCOLOR 0x007b68ee
	# elif CONFIG_EXAMPLES_PWFB_BPP == 16
	# define CONFIG_EXAMPLES_PWFB_BGCOLOR 0x7b5d
	# else
	# define CONFIG_EXAMPLES_PWFB_BGCOLOR ' '
	# endif
	#endif

	#ifndef CONFIG_EXAMPLES_PWFB_COLOR1
	# if CONFIG_EXAMPLES_PWFB_BPP == 24 \|\| CONFIG_EXAMPLES_PWFB_BPP == 32
	# define CONFIG_EXAMPLES_PWFB_COLOR1 0x00e6e6fa
	# elif CONFIG_EXAMPLES_PWFB_BPP == 16
	# define CONFIG_EXAMPLES_PWFB_COLOR1 0xe73f
	# else
	# define CONFIG_EXAMPLES_PWFB_COLOR1 '1'
	# endif
	#endif

	#ifndef CONFIG_EXAMPLES_PWFB_COLOR2
	# if CONFIG_EXAMPLES_PWFB_BPP == 24 \|\| CONFIG_EXAMPLES_PWFB_BPP == 32
	# define CONFIG_EXAMPLES_PWFB_COLOR2 0x00dcdcdc
	# elif CONFIG_EXAMPLES_PWFB_BPP == 16
	# define CONFIG_EXAMPLES_PWFB_COLOR2 0xdefb
	# else
	# define CONFIG_EXAMPLES_PWFB_COLOR2 '2'
	# endif
	#endif

	#ifndef CONFIG_EXAMPLES_PWFB_COLOR3
	# if CONFIG_EXAMPLES_PWFB_BPP == 24 \|\| CONFIG_EXAMPLES_PWFB_BPP == 32
	# define CONFIG_EXAMPLES_PWFB_COLOR3 0x00ffecb3
	# elif CONFIG_EXAMPLES_PWFB_BPP == 16
	# define CONFIG_EXAMPLES_PWFB_COLOR3 0xff76
	# else
	# define CONFIG_EXAMPLES_PWFB_COLOR3 '3'
	# endif
	#endif

	#ifndef CONFIG_EXAMPLES_PWFB_TBCOLOR
	# if CONFIG_EXAMPLES_PWFB_BPP == 24 \|\| CONFIG_EXAMPLES_PWFB_BPP == 32
	# define CONFIG_EXAMPLES_PWFB_TBCOLOR 0x00a9a9a9
	# elif CONFIG_EXAMPLES_PWFB_BPP == 16
	# define CONFIG_EXAMPLES_PWFB_TBCOLOR 0xad55
	# else
	# define CONFIG_EXAMPLES_PWFB_TBCOLOR 'T'
	# endif
	#endif

	#ifndef CONFIG_EXAMPLES_PWFB_FONTCOLOR
	# if CONFIG_EXAMPLES_PWFB_BPP == 24 \|\| CONFIG_EXAMPLES_PWFB_BPP == 32
	# define CONFIG_EXAMPLES_PWFB_FONTCOLOR 0x00000000
	# elif CONFIG_EXAMPLES_PWFB_BPP == 16
	# define CONFIG_EXAMPLES_PWFB_FONTCOLOR 0x0000
	# else
	# define CONFIG_EXAMPLES_PWFB_FONTCOLOR 'F'
	# endif
	#endif

	#ifdef CONFIG_EXAMPLES_PWFB_DEFAULT_FONT
	# define CONFIG_EXAMPLES_PWFB_FONTID FONTID_DEFAULT
	#endif

	/* Cursor timing */

	#if CONFIG_EXAMPLES_PWFB_RATECONTROL > 0
	# define CURSOR_MOVING_DELAY (3000 / CONFIG_EXAMPLES_PWFB_RATECONTROL)
	# define CURSOR_STATIONARY_DELAY (2000 / CONFIG_EXAMPLES_PWFB_RATECONTROL)
	# define CURSOR_BLINKING_DELAY (5000 / CONFIG_EXAMPLES_PWFB_RATECONTROL)
	# define CURSOR_BLINK_DELAY ( 500 / CONFIG_EXAMPLES_PWFB_RATECONTROL)
	#else
	# define CURSOR_MOVING_DELAY (0)
	# define CURSOR_STATIONARY_DELAY (0)
	# define CURSOR_BLINKING_DELAY (0)
	# define CURSOR_BLINK_DELAY (0)
	#endif

	/****************************************************************************
	* Public Types
	****************************************************************************/

	/* Describes the unique state of one window */

	struct pwfb_window_s
	{
	NXTKWINDOW hwnd; /* Window handle */
	nxgl_mxpixel_t color[CONFIG_NX_NPLANES]; /* Window color */
	FCACHE fcache; /* Font cache handle */
	b16_t xmax; /* Max X position */
	b16_t ymax; /* Max Y position */
	b16_t xpos; /* Current X position */
	b16_t ypos; /* Current Y position */
	b16_t deltax; /* Current X speed */
	b16_t deltay; /* Current Y speed */
	};

	#ifdef CONFIG_NX_SWCURSOR
	/* We will run the cursor in 3 different states:
	*
	* 1. Moving
	* 2. Stationary
	* 3. Enabling/disabling
	*/

	enum pfwb_cursor_state_s
	{
	PFWB_CURSOR_MOVING = 0,
	PFWB_CURSOR_STATIONARY,
	PFWB_CURSOR_BLINKING
	};

	/* Describes the unique state of the cursor */

	struct pwfb_cursor_s
	{
	enum pfwb_cursor_state_s state; /* Current cursor state */
	bool visible; /* True: The cursor is visible */
	int countdown; /* Countdown until next state */
	int blinktime; /* Time remaining enabled/disabled */
	b16_t xmax; /* Max X position */
	b16_t ymax; /* Max Y position */
	b16_t xpos; /* Current X position */
	b16_t ypos; /* Current Y position */
	b16_t deltax; /* Current X speed */
	b16_t deltay; /* Current Y speed */
	};
	#endif
	/* Describes the overall state of the example */

	struct pwfb_state_s
	{
	/* NX server */

	volatile bool haveres; /* True: Have screen resolution */
	volatile bool connected; /* True: Connected to server */
	sem_t semevent; /* Event wait semaphore */
	NXHANDLE hnx; /* Connection handle */

	/* Font */

	NXHANDLE hfont; /* The font handle */

	/* Graphics hardware */

	nxgl_coord_t xres; /* Horizontal resolution */
	nxgl_coord_t yres; /* Vertical resolution */

	/* Common toolbar properties */

	nxgl_mxpixel_t color[CONFIG_NX_NPLANES]; /* Toolbar color */

	/* Font properties */

	uint8_t fheight; /* Max height of a font in pixels */
	uint8_t fwidth; /* Max width of a font in pixels */
	uint8_t spwidth; /* The width of a space */

	#ifdef CONFIG_NX_SWCURSOR
	/* Cursor-specific state */

	struct pwfb_cursor_s cursor;
	#endif

	/* Window-specific state */

	struct pwfb_window_s wndo[CONFIG_EXAMPLES_PWFB_NWINDOWS];
	};

	/****************************************************************************
	* Public Data
	****************************************************************************/

	/* NX callback vtables */

	extern const struct nx_callback_s g_pwfb_wncb;
	extern const struct nx_callback_s g_pwfb_tbcb;

	/****************************************************************************
	* Public Function Prototypes
	****************************************************************************/

	FAR void pwfb_listener(FAR void arg);
	bool pwfb_motion(FAR struct pwfb_state_s *st);

	#endif /* __APPS_EXAMPLES_PWFB_PWFB_INTERNAL_H */