forked from Archive/PX4-Autopilot
295 lines
8.8 KiB
C
295 lines
8.8 KiB
C
/****************************************************************************
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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 <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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/****************************************************************************
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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: user_start/nxhello_main
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****************************************************************************/
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#ifdef CONFIG_EXAMPLES_NXHELLO_BUILTIN
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# define MAIN_NAME nxhello_main
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# define MAIN_NAME_STRING "nxhello_main"
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#else
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# define MAIN_NAME user_start
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# define MAIN_NAME_STRING "user_start"
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#endif
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int MAIN_NAME(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(MAIN_NAME_STRING ": 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(MAIN_NAME_STRING ": 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(MAIN_NAME_STRING ": 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(MAIN_NAME_STRING ": 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(MAIN_NAME_STRING ": 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_bgcb, NULL);
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if (ret < 0)
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{
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message(MAIN_NAME_STRING ": 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(MAIN_NAME_STRING ": 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(MAIN_NAME_STRING ": 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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