nuttx-apps/examples/ltdc/ltdc.h
2015-10-03 11:03:42 -06:00

142 lines
4.2 KiB
C

/****************************************************************************
* examples/ltdc/ltdc.h
*
* Copyright (C) 2015 Marco Krahl. All rights reserved.
* Author: Marco Krahl <ocram.lhark@gmail.com>
*
* 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 _EXAMPLES_LTDC_LTDC_H
#define _EXAMPLES_LTDC_LTDC_H
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <sys/types.h>
#include <unistd.h>
#include <stdlib.h>
#include <string.h>
#include <debug.h>
#include <nuttx/video/rgbcolors.h>
#include <nuttx/video/fb.h>
#include <arch/chip/ltdc.h>
#ifdef CONFIG_STM32_DMA2D
# include <arch/chip/dma2d.h>
#endif
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
#define LTDC_EXAMPLE_NCOLORS 5
#ifdef CONFIG_STM32_LTDC_INTERFACE
struct surface
{
struct fb_videoinfo_s vinfo;
struct fb_planeinfo_s pinfo;
FAR struct ltdc_layer_s *layer;
#ifdef CONFIG_STM32_DMA2D
FAR struct dma2d_layer_s *dma2d;
#endif
};
# ifdef CONFIG_STM32_DMA2D
struct dma2d_surface
{
struct fb_videoinfo_s vinfo;
struct fb_planeinfo_s pinfo;
FAR struct dma2d_layer_s *dma2d;
};
# endif
#endif
enum example_colors
{
LTDC_BLACK,
LTDC_RED,
LTDC_GREEN,
LTDC_BLUE,
LTDC_WHITE
};
static const uint32_t g_rgb24[LTDC_EXAMPLE_NCOLORS] =
{
RGB24_BLACK,
RGB24_RED,
RGB24_GREEN,
RGB24_BLUE,
RGB24_WHITE,
};
static const uint32_t g_rgb16[LTDC_EXAMPLE_NCOLORS] =
{
RGB16_BLACK,
RGB16_RED,
RGB16_GREEN,
RGB16_BLUE,
RGB16_WHITE,
};
/****************************************************************************
* Public Functions
****************************************************************************/
void ltdc_clrcolor(uint8_t *color, uint8_t value, size_t size);
int ltdc_cmpcolor(uint8_t *color1, uint8_t *color2, size_t size);
#ifdef CONFIG_FB_CMAP
void ltdc_init_cmap(void);
FAR struct fb_cmap_s * ltdc_createcmap(uint16_t ncolors);
void ltdc_deletecmap(FAR struct fb_cmap_s *cmap);
#endif
uint32_t ltdc_color(FAR struct fb_videoinfo_s *vinfo, uint8_t color);
void ltdc_simple_draw(FAR struct fb_videoinfo_s *vinfo,
FAR struct fb_planeinfo_s *pinfo);
#ifdef CONFIG_STM32_LTDC_L2
void ltdc_drawcolor(FAR struct fb_videoinfo_s *vinfo, void *buffer,
uint16_t xres, uint16_t yres, uint32_t color);
#endif
#ifdef CONFIG_STM32_LTDC_INTERFACE
struct surface * ltdc_get_surface(uint32_t mode);
#endif
#ifdef CONFIG_STM32_DMA2D
void ltdc_dma2d_main(void);
#endif
#endif /* _EXAMPLES_LTDC_LTDC_H */