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286 lines
8.5 KiB
286 lines
8.5 KiB
/**************************************************************************** |
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* examples/nxhello/nxhello_main.c |
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* |
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* Copyright (C) 2011 Gregory Nutt. All rights reserved. |
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* Author: Gregory Nutt <gnutt@nuttx.org> |
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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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/**************************************************************************** |
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* Included Files |
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****************************************************************************/ |
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#include <nuttx/config.h> |
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#include <sys/types.h> |
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#include <stdint.h> |
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#include <stdbool.h> |
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#include <stdio.h> |
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#include <unistd.h> |
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#include <time.h> |
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#include <string.h> |
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#include <sched.h> |
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#include <pthread.h> |
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#include <errno.h> |
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#include <debug.h> |
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#ifdef CONFIG_NX_LCDDRIVER |
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# include <nuttx/lcd/lcd.h> |
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#else |
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# include <nuttx/fb.h> |
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#endif |
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#include <nuttx/arch.h> |
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#include <nuttx/nx/nx.h> |
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#include <nuttx/nx/nxglib.h> |
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#include <nuttx/nx/nxfonts.h> |
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#include "nxhello.h" |
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/**************************************************************************** |
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* Pre-processor Definitions |
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****************************************************************************/ |
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/* Configuration ************************************************************/ |
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/* If not specified, assume that the hardware supports one video plane */ |
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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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/* If not specified, assume that the hardware supports one LCD device */ |
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#ifndef CONFIG_EXAMPLES_NXHELLO_DEVNO |
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# define CONFIG_EXAMPLES_NXHELLO_DEVNO 0 |
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#endif |
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/**************************************************************************** |
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* Private Types |
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****************************************************************************/ |
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/**************************************************************************** |
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* Private Function Prototypes |
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****************************************************************************/ |
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/**************************************************************************** |
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* Private Data |
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****************************************************************************/ |
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/**************************************************************************** |
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* Public Data |
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****************************************************************************/ |
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struct nxhello_data_s g_nxhello = |
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{ |
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NULL, /* hnx */ |
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NULL, /* hbkgd */ |
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NULL, /* hfont */ |
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0, /* xres */ |
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0, /* yres */ |
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false, /* havpos */ |
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{ 0 }, /* sem */ |
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NXEXIT_SUCCESS /* exit code */ |
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}; |
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/**************************************************************************** |
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* Private Functions |
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****************************************************************************/ |
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/**************************************************************************** |
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* Name: nxhello_initialize |
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****************************************************************************/ |
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static inline int nxhello_initialize(void) |
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{ |
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FAR NX_DRIVERTYPE *dev; |
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#if defined(CONFIG_EXAMPLES_NXHELLO_EXTERNINIT) |
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/* Use external graphics driver initialization */ |
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message("nxhello_initialize: Initializing external graphics device\n"); |
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dev = up_nxdrvinit(CONFIG_EXAMPLES_NXHELLO_DEVNO); |
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if (!dev) |
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{ |
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message("nxhello_initialize: up_nxdrvinit failed, devno=%d\n", |
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CONFIG_EXAMPLES_NXHELLO_DEVNO); |
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g_nxhello.code = NXEXIT_EXTINITIALIZE; |
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return ERROR; |
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} |
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#elif defined(CONFIG_NX_LCDDRIVER) |
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int ret; |
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/* Initialize the LCD device */ |
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message("nxhello_initialize: Initializing LCD\n"); |
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ret = up_lcdinitialize(); |
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if (ret < 0) |
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{ |
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message("nxhello_initialize: up_lcdinitialize failed: %d\n", -ret); |
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g_nxhello.code = NXEXIT_LCDINITIALIZE; |
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return ERROR; |
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} |
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/* Get the device instance */ |
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dev = up_lcdgetdev(CONFIG_EXAMPLES_NXHELLO_DEVNO); |
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if (!dev) |
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{ |
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message("nxhello_initialize: up_lcdgetdev failed, devno=%d\n", CONFIG_EXAMPLES_NXHELLO_DEVNO); |
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g_nxhello.code = NXEXIT_LCDGETDEV; |
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return ERROR; |
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} |
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/* Turn the LCD on at 75% power */ |
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(void)dev->setpower(dev, ((3*CONFIG_LCD_MAXPOWER + 3)/4)); |
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#else |
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int ret; |
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/* Initialize the frame buffer device */ |
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message("nxhello_initialize: Initializing framebuffer\n"); |
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ret = up_fbinitialize(); |
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if (ret < 0) |
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{ |
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message("nxhello_initialize: up_fbinitialize failed: %d\n", -ret); |
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g_nxhello.code = NXEXIT_FBINITIALIZE; |
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return ERROR; |
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} |
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dev = up_fbgetvplane(CONFIG_EXAMPLES_NXHELLO_VPLANE); |
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if (!dev) |
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{ |
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message("nxhello_initialize: up_fbgetvplane failed, vplane=%d\n", CONFIG_EXAMPLES_NXHELLO_VPLANE); |
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g_nxhello.code = NXEXIT_FBGETVPLANE; |
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return ERROR; |
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} |
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#endif |
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/* Then open NX */ |
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message("nxhello_initialize: Open NX\n"); |
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g_nxhello.hnx = nx_open(dev); |
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if (!g_nxhello.hnx) |
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{ |
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message("nxhello_initialize: nx_open failed: %d\n", errno); |
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g_nxhello.code = NXEXIT_NXOPEN; |
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return ERROR; |
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} |
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return OK; |
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} |
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/**************************************************************************** |
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* Public Functions |
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****************************************************************************/ |
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/**************************************************************************** |
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* Name: nxhello_main |
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****************************************************************************/ |
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int nxhello_main(int argc, char *argv[]) |
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{ |
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nxgl_mxpixel_t color; |
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int ret; |
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/* Initialize NX */ |
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ret = nxhello_initialize(); |
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message("nxhello_main: NX handle=%p\n", g_nxhello.hnx); |
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if (!g_nxhello.hnx || ret < 0) |
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{ |
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message("nxhello_main: Failed to get NX handle: %d\n", errno); |
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g_nxhello.code = NXEXIT_NXOPEN; |
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goto errout; |
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} |
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/* Get the default font handle */ |
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g_nxhello.hfont = nxf_getfonthandle(CONFIG_EXAMPLES_NXHELLO_FONTID); |
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if (!g_nxhello.hfont) |
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{ |
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message("nxhello_main: Failed to get font handle: %d\n", errno); |
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g_nxhello.code = NXEXIT_FONTOPEN; |
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goto errout; |
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} |
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/* Set the background to the configured background color */ |
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message("nxhello_main: Set background color=%d\n", |
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CONFIG_EXAMPLES_NXHELLO_BGCOLOR); |
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color = CONFIG_EXAMPLES_NXHELLO_BGCOLOR; |
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ret = nx_setbgcolor(g_nxhello.hnx, &color); |
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if (ret < 0) |
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{ |
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message("nxhello_main: nx_setbgcolor failed: %d\n", errno); |
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g_nxhello.code = NXEXIT_NXSETBGCOLOR; |
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goto errout_with_nx; |
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} |
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/* Get the background window */ |
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ret = nx_requestbkgd(g_nxhello.hnx, &g_nxhellocb, NULL); |
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if (ret < 0) |
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{ |
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message("nxhello_main: nx_setbgcolor failed: %d\n", errno); |
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g_nxhello.code = NXEXIT_NXREQUESTBKGD; |
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goto errout_with_nx; |
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} |
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/* Wait until we have the screen resolution. We'll have this immediately |
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* unless we are dealing with the NX server. |
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*/ |
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while (!g_nxhello.havepos) |
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{ |
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(void)sem_wait(&g_nxhello.sem); |
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} |
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message("nxhello_main: Screen resolution (%d,%d)\n", g_nxhello.xres, g_nxhello.yres); |
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/* Now, say hello and exit, sleeping a little before each. */ |
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sleep(1); |
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nxhello_hello(g_nxhello.hbkgd); |
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sleep(1); |
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/* Release background */ |
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(void)nx_releasebkgd(g_nxhello.hbkgd); |
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/* Close NX */ |
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errout_with_nx: |
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message("nxhello_main: Close NX\n"); |
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nx_close(g_nxhello.hnx); |
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errout: |
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return g_nxhello.code; |
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}
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