40e417d362
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@3822 42af7a65-404d-4744-a932-0658087f49c3
197 lines
6.0 KiB
C
197 lines
6.0 KiB
C
/****************************************************************************
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* examples/nxhello/nxhello.h
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*
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* Copyright (C) 2011 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************/
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#ifndef __APPS_EXAMPLES_NXHELLO_NXHELLO_H
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#define __APPS_EXAMPLES_NXHELLO_NXHELLO_H
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <stdint.h>
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#include <stdbool.h>
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#include <semaphore.h>
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#include <nuttx/nx/nxglib.h>
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#include <nuttx/nx/nx.h>
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#include <nuttx/nx/nxfonts.h>
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/****************************************************************************
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* Definitions
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****************************************************************************/
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/* Configuration ************************************************************/
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#ifndef CONFIG_NX
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# error "NX is not enabled (CONFIG_NX)"
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#endif
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#ifndef CONFIG_EXAMPLES_NXHELLO_VPLANE
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# define CONFIG_EXAMPLES_NXHELLO_VPLANE 0
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#endif
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#ifndef CONFIG_EXAMPLES_NXHELLO_BPP
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# define CONFIG_EXAMPLES_NXHELLO_BPP 32
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#endif
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#ifndef CONFIG_EXAMPLES_NXHELLO_BGCOLOR
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# if CONFIG_EXAMPLES_NXHELLO_BPP == 24 || CONFIG_EXAMPLES_NXHELLO_BPP == 32
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# define CONFIG_EXAMPLES_NXHELLO_BGCOLOR 0x007b68ee
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# elif CONFIG_EXAMPLES_NXHELLO_BPP == 16
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# define CONFIG_EXAMPLES_NXHELLO_BGCOLOR 0x7b5d
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# else
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# define CONFIG_EXAMPLES_NXHELLO_BGCOLOR ' '
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# endif
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#endif
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#ifndef CONFIG_EXAMPLES_NXHELLO_FONTID
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# define CONFIG_EXAMPLES_NXHELLO_FONTID NXFONT_DEFAULT
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#endif
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#ifndef CONFIG_EXAMPLES_NXHELLO_FONTCOLOR
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# if CONFIG_EXAMPLES_NXHELLO_BPP == 24 || CONFIG_EXAMPLES_NXHELLO_BPP == 32
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# define CONFIG_EXAMPLES_NXHELLO_FONTCOLOR 0x00000000
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# elif CONFIG_EXAMPLES_NXHELLO_BPP == 16
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# define CONFIG_EXAMPLES_NXHELLO_FONTCOLOR 0x0000
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# else
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# define CONFIG_EXAMPLES_NXHELLO_FONTCOLOR 'F'
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# endif
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#endif
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/* Debug ********************************************************************/
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#ifdef CONFIG_CPP_HAVE_VARARGS
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# ifdef CONFIG_DEBUG
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# define message(...) lib_lowprintf(__VA_ARGS__)
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# define msgflush()
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# else
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# define message(...) printf(__VA_ARGS__)
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# define msgflush() fflush(stdout)
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# endif
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#else
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# ifdef CONFIG_DEBUG
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# define message lib_lowprintf
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# define msgflush()
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# else
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# define message printf
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# define msgflush() fflush(stdout)
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# endif
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#endif
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/****************************************************************************
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* Public Types
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****************************************************************************/
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enum exitcode_e
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{
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NXEXIT_SUCCESS = 0,
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NXEXIT_EXTINITIALIZE,
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NXEXIT_FBINITIALIZE,
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NXEXIT_FBGETVPLANE,
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NXEXIT_LCDINITIALIZE,
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NXEXIT_LCDGETDEV,
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NXEXIT_NXOPEN,
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NXEXIT_FONTOPEN,
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NXEXIT_NXREQUESTBKGD,
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NXEXIT_NXSETBGCOLOR
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};
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/* Describes one cached glyph bitmap */
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struct nxhello_glyph_s
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{
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uint8_t code; /* Character code */
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uint8_t height; /* Height of this glyph (in rows) */
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uint8_t width; /* Width of this glyph (in pixels) */
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uint8_t stride; /* Width of the glyph row (in bytes) */
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uint8_t usecnt; /* Use count */
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FAR uint8_t *bitmap; /* Allocated bitmap memory */
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};
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/* Describes on character on the display */
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struct nxhello_bitmap_s
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{
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uint8_t code; /* Character code */
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uint8_t flags; /* See BMFLAGS_* */
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struct nxgl_point_s pos; /* Character position */
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};
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struct nxhello_data_s
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{
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/* The NX handles */
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NXHANDLE hnx;
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NXHANDLE hbkgd;
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NXHANDLE hfont;
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/* The screen resolution */
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nxgl_coord_t xres;
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nxgl_coord_t yres;
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volatile bool havepos;
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sem_t sem;
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volatile int code;
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};
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/****************************************************************************
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* Public Variables
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****************************************************************************/
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/* NXHELLO state data */
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extern struct nxhello_data_s g_nxhello;
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/* NX callback vtables */
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extern const struct nx_callback_s g_bgcb;
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/****************************************************************************
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* Public Function Prototypes
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****************************************************************************/
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#ifdef CONFIG_EXAMPLES_NXHELLO_EXTERNINIT
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extern FAR NX_DRIVERTYPE *up_nxdrvinit(unsigned int devno);
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#endif
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/* Background window interfaces */
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extern void nxhello_hello(NXWINDOW hwnd);
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#endif /* __APPS_EXAMPLES_NXHELLO_NXHELLO_H */
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