| /**************************************************************************** |
| * examples/nximage/nximage.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_NXIMAGE_NXIMAGE_H |
| #define __APPS_EXAMPLES_NXIMAGE_NXIMAGE_H |
| |
| /**************************************************************************** |
| * Included Files |
| ****************************************************************************/ |
| |
| #include <nuttx/config.h> |
| |
| #include <stdint.h> |
| #include <stdbool.h> |
| #include <semaphore.h> |
| |
| #include <nuttx/nx/nx.h> |
| #include <nuttx/nx/nxglib.h> |
| |
| /**************************************************************************** |
| * Definitions |
| ****************************************************************************/ |
| |
| /* Configuration ************************************************************/ |
| |
| #ifndef CONFIG_NX |
| # error "NX is not enabled (CONFIG_NX)" |
| #endif |
| |
| #ifndef CONFIG_EXAMPLES_NXIMAGE_VPLANE |
| # define CONFIG_EXAMPLES_NXIMAGE_VPLANE 0 |
| #endif |
| |
| #ifndef CONFIG_EXAMPLES_NXIMAGE_BPP |
| # define CONFIG_EXAMPLES_NXIMAGE_BPP 16 |
| #endif |
| |
| #if defined(CONFIG_EXAMPLES_NXIMAGE_XSCALEp5) |
| # undef CONFIG_EXAMPLES_NXIMAGE_XSCALE1p0 |
| # undef CONFIG_EXAMPLES_NXIMAGE_XSCALE1p5 |
| # undef CONFIG_EXAMPLES_NXIMAGE_XSCALE2p0 |
| #elif defined(CONFIG_EXAMPLES_NXIMAGE_XSCALE1p5) |
| # undef CONFIG_EXAMPLES_NXIMAGE_XSCALEp5 |
| # undef CONFIG_EXAMPLES_NXIMAGE_XSCALE1p0 |
| # undef CONFIG_EXAMPLES_NXIMAGE_XSCALE2p0 |
| #elif defined(CONFIG_EXAMPLES_NXIMAGE_XSCALE2p0) |
| # undef CONFIG_EXAMPLES_NXIMAGE_XSCALEp5 |
| # undef CONFIG_EXAMPLES_NXIMAGE_XSCALE1p0 |
| # undef CONFIG_EXAMPLES_NXIMAGE_XSCALE1p5 |
| #else |
| # undef CONFIG_EXAMPLES_NXIMAGE_XSCALEp5 |
| # undef CONFIG_EXAMPLES_NXIMAGE_XSCALE1p0 |
| # undef CONFIG_EXAMPLES_NXIMAGE_XSCALE1p5 |
| # undef CONFIG_EXAMPLES_NXIMAGE_XSCALE2p0 |
| # define CONFIG_EXAMPLES_NXIMAGE_XSCALE1p0 1 |
| #endif |
| |
| #if defined(CONFIG_EXAMPLES_NXIMAGE_YSCALEp5) |
| # undef CONFIG_EXAMPLES_NXIMAGE_YSCALE1p0 |
| # undef CONFIG_EXAMPLES_NXIMAGE_YSCALE1p5 |
| # undef CONFIG_EXAMPLES_NXIMAGE_YSCALE2p0 |
| #elif defined(CONFIG_EXAMPLES_NXIMAGE_YSCALE1p5) |
| # undef CONFIG_EXAMPLES_NXIMAGE_YSCALEp5 |
| # undef CONFIG_EXAMPLES_NXIMAGE_YSCALE1p0 |
| # undef CONFIG_EXAMPLES_NXIMAGE_YSCALE2p0 |
| #elif defined(CONFIG_EXAMPLES_NXIMAGE_YSCALE2p0) |
| # undef CONFIG_EXAMPLES_NXIMAGE_YSCALEp5 |
| # undef CONFIG_EXAMPLES_NXIMAGE_YSCALE1p0 |
| # undef CONFIG_EXAMPLES_NXIMAGE_YSCALE1p5 |
| #else |
| # undef CONFIG_EXAMPLES_NXIMAGE_YSCALEp5 |
| # undef CONFIG_EXAMPLES_NXIMAGE_YSCALE1p0 |
| # undef CONFIG_EXAMPLES_NXIMAGE_YSCALE1p5 |
| # undef CONFIG_EXAMPLES_NXIMAGE_YSCALE2p0 |
| # define CONFIG_EXAMPLES_NXIMAGE_YSCALE1p0 1 |
| #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 |
| |
| /* Image Information ********************************************************/ |
| |
| #define IMAGE_HEIGHT 160 /* Number of rows in the raw image */ |
| #define IMAGE_WIDTH 160 /* Number of columns in the raw image */ |
| |
| #if defined(CONFIG_EXAMPLES_NXIMAGE_XSCALEp5) |
| # define SCALED_WIDTH 80 /* Number of columns in the scaled image */ |
| #elif defined(CONFIG_EXAMPLES_NXIMAGE_XSCALE1p5) |
| # define SCALED_WIDTH 240 /* Number of columns in the scaled image */ |
| #elif defined(CONFIG_EXAMPLES_NXIMAGE_XSCALE2p0) |
| # define SCALED_WIDTH 320 /* Number of columns in the scaled image */ |
| #else |
| # define SCALED_WIDTH 160 /* Number of columns in the scaled image */ |
| #endif |
| |
| #if defined(CONFIG_EXAMPLES_NXIMAGE_YSCALEp5) |
| # define SCALED_HEIGHT 80 /* Number of rows in the scaled image */ |
| #elif defined(CONFIG_EXAMPLES_NXIMAGE_YSCALE1p5) |
| # define SCALED_HEIGHT 240 /* Number of rows in the scaled image */ |
| #elif defined(CONFIG_EXAMPLES_NXIMAGE_YSCALE2p0) |
| # define SCALED_HEIGHT 320 /* Number of rows in the scaled image */ |
| #else |
| # define SCALED_HEIGHT 160 /* Number of rows in the scaled image */ |
| #endif |
| |
| /**************************************************************************** |
| * Public Types |
| ****************************************************************************/ |
| |
| enum exitcode_e |
| { |
| NXEXIT_SUCCESS = 0, |
| NXEXIT_EXTINITIALIZE, |
| NXEXIT_FBINITIALIZE, |
| NXEXIT_FBGETVPLANE, |
| NXEXIT_LCDINITIALIZE, |
| NXEXIT_LCDGETDEV, |
| NXEXIT_NXOPEN, |
| NXEXIT_NXREQUESTBKGD, |
| NXEXIT_NXSETBGCOLOR |
| }; |
| |
| struct nximage_data_s |
| { |
| /* The NX handles */ |
| |
| NXHANDLE hnx; |
| NXHANDLE hbkgd; |
| |
| /* The screen resolution */ |
| |
| nxgl_coord_t xres; |
| nxgl_coord_t yres; |
| |
| volatile bool havepos; |
| sem_t sem; |
| volatile int code; |
| }; |
| |
| /**************************************************************************** |
| * Public Variables |
| ****************************************************************************/ |
| |
| /* NXIMAGE state data */ |
| |
| extern struct nximage_data_s g_nximage; |
| |
| /* NX callback vtables */ |
| |
| extern const struct nx_callback_s g_bgcb; |
| |
| /**************************************************************************** |
| * Public Function Prototypes |
| ****************************************************************************/ |
| |
| #ifdef CONFIG_EXAMPLES_NXIMAGE_EXTERNINIT |
| extern FAR NX_DRIVERTYPE *up_nxdrvinit(unsigned int devno); |
| #endif |
| |
| /* Background window interfaces */ |
| |
| extern void nximage_image(NXWINDOW hwnd); |
| |
| /* Image interfaces */ |
| |
| extern nxgl_mxpixel_t nximage_bgcolor(void); |
| extern nxgl_mxpixel_t nximage_avgcolor(nxgl_mxpixel_t color1, nxgl_mxpixel_t color2); |
| extern void nximage_blitrow(FAR nxgl_mxpixel_t *run, FAR const void **state); |
| |
| #endif /* __APPS_EXAMPLES_NXIMAGE_NXIMAGE_H */ |
