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/****************************************************************************
* examples/nxhello/nxhello.h
*
* Copyright (C) 2011 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
*
* 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_NXHELLO_NXHELLO_H
#define __APPS_EXAMPLES_NXHELLO_NXHELLO_H
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <stdint.h>
#include <stdbool.h>
#include <semaphore.h>
#include <nuttx/nx.h>
#include <nuttx/nxglib.h>
/****************************************************************************
* Definitions
****************************************************************************/
/* Configuration ************************************************************/
#ifndef CONFIG_NX
# error "NX is not enabled (CONFIG_NX)"
#endif
#ifndef CONFIG_EXAMPLES_NXHELLO_VPLANE
# define CONFIG_EXAMPLES_NXHELLO_VPLANE 0
#endif
#ifndef CONFIG_EXAMPLES_NXHELLO_BPP
# define CONFIG_EXAMPLES_NXHELLO_BPP 32
#endif
#ifndef CONFIG_EXAMPLES_NXHELLO_BGCOLOR
# if CONFIG_EXAMPLES_NXHELLO_BPP == 24 || CONFIG_EXAMPLES_NXHELLO_BPP == 32
# define CONFIG_EXAMPLES_NXHELLO_BGCOLOR 0x007b68ee
# elif CONFIG_EXAMPLES_NXHELLO_BPP == 16
# define CONFIG_EXAMPLES_NXHELLO_BGCOLOR 0x7b5d
# else
# define CONFIG_EXAMPLES_NXHELLO_BGCOLOR ' '
# endif
#endif
#ifndef CONFIG_EXAMPLES_NXHELLO_FONTCOLOR
# if CONFIG_EXAMPLES_NXHELLO_BPP == 24 || CONFIG_EXAMPLES_NXHELLO_BPP == 32
# define CONFIG_EXAMPLES_NXHELLO_FONTCOLOR 0x00000000
# elif CONFIG_EXAMPLES_NXHELLO_BPP == 16
# define CONFIG_EXAMPLES_NXHELLO_FONTCOLOR 0x0000
# else
# define CONFIG_EXAMPLES_NXHELLO_FONTCOLOR 'F'
# endif
#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
****************************************************************************/
enum exitcode_e
{
NXEXIT_SUCCESS = 0,
NXEXIT_EXTINITIALIZE,
NXEXIT_FBINITIALIZE,
NXEXIT_FBGETVPLANE,
NXEXIT_LCDINITIALIZE,
NXEXIT_LCDGETDEV,
NXEXIT_NXOPEN,
NXEXIT_FONTOPEN,
NXEXIT_NXREQUESTBKGD,
NXEXIT_NXSETBGCOLOR
};
/* Describes one cached glyph bitmap */
struct nxhello_glyph_s
{
uint8_t code; /* Character code */
uint8_t height; /* Height of this glyph (in rows) */
uint8_t width; /* Width of this glyph (in pixels) */
uint8_t stride; /* Width of the glyph row (in bytes) */
uint8_t usecnt; /* Use count */
FAR uint8_t *bitmap; /* Allocated bitmap memory */
};
/* Describes on character on the display */
struct nxhello_bitmap_s
{
uint8_t code; /* Character code */
uint8_t flags; /* See BMFLAGS_* */
struct nxgl_point_s pos; /* Character position */
};
struct nxhello_data_s
{
/* The NX handles */
NXHANDLE hnx;
NXHANDLE hbkgd;
NXHANDLE hfont;
/* The screen resolution */
nxgl_coord_t xres;
nxgl_coord_t yres;
volatile bool havepos;
sem_t sem;
volatile int code;
};
/****************************************************************************
* Public Variables
****************************************************************************/
/* NXHELLO state data */
extern struct nxhello_data_s g_nxhello;
/* NX callback vtables */
extern const struct nx_callback_s g_bgcb;
/****************************************************************************
* Public Function Prototypes
****************************************************************************/
#ifdef CONFIG_EXAMPLES_NXHELLO_EXTERNINIT
extern FAR NX_DRIVERTYPE *up_nxdrvinit(unsigned int devno);
#endif
/* Background window interfaces */
extern void nxhello_hello(NXWINDOW hwnd);
#endif /* __APPS_EXAMPLES_NXHELLO_NXHELLO_H */
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