298db6b143
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@3791 42af7a65-404d-4744-a932-0658087f49c3
485 lines
14 KiB
C
485 lines
14 KiB
C
/****************************************************************************
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* examples/nxtext/nxtext_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.h>
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#include <nuttx/nxglib.h>
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#include "nxtext_internal.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_NXTEXT_VPLANE
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# define CONFIG_EXAMPLES_NXTEXT_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_NXTEXT_DEVNO
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# define CONFIG_EXAMPLES_NXTEXT_DEVNO 0
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#endif
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#define BGMSG_LINES 24
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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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#ifdef CONFIG_NX_KBD
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static const uint8_t g_pumsg[] = "Pop-Up!";
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static const char *g_bgmsg[BGMSG_LINES] =
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{
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"\nJULIET\n", /* Line 1 */
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"Wilt thou be gone?\n", /* Line 2 */
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" It is not yet near day:\n", /* Line 3 */
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"It was the nightingale,\n", /* Line 4 */
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" and not the lark,\n", /* Line 5 */
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"That pierced the fearful hollow\n", /* Line 6 */
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" of thine ear;\n", /* Line 7 */
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"Nightly she sings\n", /* Line 8 */
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" on yon pomegranate-tree:\n", /* Line 9 */
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"Believe me, love,\n", /* Line 10 */
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" it was the nightingale.\n", /* Line 11 */
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"\nROMEO\n", /* Line 12 */
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"It was the lark,\n", /* Line 13 */
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" the herald of the morn,\n", /* Line 14 */
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"No nightingale:\n", /* Line 15 */
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" look, love, what envious streaks\n", /* Line 16 */
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"Do lace the severing clouds\n", /* Line 17 */
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" in yonder east:\n", /* Line 18 */
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"Night's candles are burnt out,\n", /* Line 19 */
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" and jocund day\n", /* Line 20 */
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"Stands tiptoe\n", /* Line 21 */
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" on the misty mountain tops.\n", /* Line 22 */
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"I must be gone and live,\n", /* Line 23 */
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" or stay and die.\n" /* Line 24 */
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};
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#endif
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/****************************************************************************
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* Public Data
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****************************************************************************/
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/* The connecton handler */
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NXHANDLE g_hnx = NULL;
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/* The screen resolution */
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nxgl_coord_t g_xres;
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nxgl_coord_t g_yres;
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bool b_haveresolution = false;
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#ifdef CONFIG_NX_MULTIUSER
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bool g_connected = false;
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#endif
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sem_t g_semevent = {0};
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int g_exitcode = NXEXIT_SUCCESS;
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/****************************************************************************
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* Private Functions
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****************************************************************************/
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/****************************************************************************
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* Name: nxtext_suinitialize
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****************************************************************************/
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#ifndef CONFIG_NX_MULTIUSER
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static inline int nxtext_suinitialize(void)
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{
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FAR NX_DRIVERTYPE *dev;
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#if defined(CONFIG_EXAMPLES_NXTEXT_EXTERNINIT)
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/* Use external graphics driver initialization */
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message("nxtext_initialize: Initializing external graphics device\n");
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dev = up_nxdrvinit(CONFIG_EXAMPLES_NXTEXT_DEVNO);
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if (!dev)
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{
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message("nxtext_initialize: up_nxdrvinit failed, devno=%d\n", CONFIG_EXAMPLES_NXTEXT_DEVNO);
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g_exitcode = 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("nxtext_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("nxtext_initialize: up_lcdinitialize failed: %d\n", -ret);
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g_exitcode = 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_NXTEXT_DEVNO);
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if (!dev)
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{
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message("nxtext_initialize: up_lcdgetdev failed, devno=%d\n", CONFIG_EXAMPLES_NXTEXT_DEVNO);
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g_exitcode = 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("nxtext_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("nxtext_initialize: up_fbinitialize failed: %d\n", -ret);
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g_exitcode = NXEXIT_FBINITIALIZE;
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return ERROR;
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}
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dev = up_fbgetvplane(CONFIG_EXAMPLES_NXTEXT_VPLANE);
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if (!dev)
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{
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message("nxtext_initialize: up_fbgetvplane failed, vplane=%d\n", CONFIG_EXAMPLES_NXTEXT_VPLANE);
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g_exitcode = 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("nxtext_initialize: Open NX\n");
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g_hnx = nx_open(dev);
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if (!g_hnx)
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{
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message("user_start: nx_open failed: %d\n", errno);
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g_exitcode = 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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#endif
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/****************************************************************************
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* Name: nxtext_initialize
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****************************************************************************/
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#ifdef CONFIG_NX_MULTIUSER
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static inline int nxtext_muinitialize(void)
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{
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struct sched_param param;
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pthread_t thread;
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pid_t servrid;
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int ret;
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/* Set the client task priority */
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param.sched_priority = CONFIG_EXAMPLES_NXTEXT_CLIENTPRIO;
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ret = sched_setparam(0, ¶m);
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if (ret < 0)
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{
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message("nxtext_initialize: sched_setparam failed: %d\n" , ret);
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g_exitcode = NXEXIT_SCHEDSETPARAM;
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return ERROR;
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}
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/* Start the server task */
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message("nxtext_initialize: Starting nxtext_server task\n");
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servrid = task_create("NX Server", CONFIG_EXAMPLES_NXTEXT_SERVERPRIO,
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CONFIG_EXAMPLES_NXTEXT_STACKSIZE, nxtext_server, NULL);
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if (servrid < 0)
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{
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message("nxtext_initialize: Failed to create nxtext_server task: %d\n", errno);
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g_exitcode = NXEXIT_TASKCREATE;
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return ERROR;
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}
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/* Wait a bit to let the server get started */
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sleep(1);
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/* Connect to the server */
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g_hnx = nx_connect();
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if (g_hnx)
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{
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pthread_attr_t attr;
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/* Start a separate thread to listen for server events. This is probably
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* the least efficient way to do this, but it makes this example flow more
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* smoothly.
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*/
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(void)pthread_attr_init(&attr);
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param.sched_priority = CONFIG_EXAMPLES_NXTEXT_LISTENERPRIO;
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(void)pthread_attr_setschedparam(&attr, ¶m);
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(void)pthread_attr_setstacksize(&attr, CONFIG_EXAMPLES_NXTEXT_STACKSIZE);
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ret = pthread_create(&thread, &attr, nxtext_listener, NULL);
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if (ret != 0)
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{
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printf("nxtext_initialize: pthread_create failed: %d\n", ret);
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g_exitcode = NXEXIT_PTHREADCREATE;
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return ERROR;
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}
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/* Don't return until we are connected to the server */
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while (!g_connected)
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{
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/* Wait for the listener thread to wake us up when we really
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* are connected.
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*/
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(void)sem_wait(&g_semevent);
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}
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}
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else
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{
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message("nxtext_initialize: nx_connect failed: %d\n", errno);
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g_exitcode = NXEXIT_NXCONNECT;
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return ERROR;
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}
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return OK;
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}
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#endif
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/****************************************************************************
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* Name: nxtext_initialize
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****************************************************************************/
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static int nxtext_initialize(void)
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{
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#ifdef CONFIG_NX_MULTIUSER
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return nxtext_muinitialize();
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#else
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return nxtext_suinitialize();
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#endif
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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/nxtext_main
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****************************************************************************/
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#ifdef CONFIG_EXAMPLES_NXTEXT_BUILTIN
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int nxtext_main(int argc, char **argv)
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#else
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int user_start(int argc, char *argv[])
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#endif
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{
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FAR struct nxtext_state_s *bgstate;
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NXWINDOW hwnd = NULL;
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nxgl_mxpixel_t color;
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int popcnt;
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int bkgndx;
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int ret;
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/* Initialize NX */
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ret = nxtext_initialize();
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message("user_start: NX handle=%p\n", g_hnx);
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if (!g_hnx || ret < 0)
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{
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message("user_start: Failed to get NX handle: %d\n", errno);
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g_exitcode = NXEXIT_NXOPEN;
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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("user_start: Set background color=%d\n", CONFIG_EXAMPLES_NXTEXT_BGCOLOR);
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color = CONFIG_EXAMPLES_NXTEXT_BGCOLOR;
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ret = nx_setbgcolor(g_hnx, &color);
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if (ret < 0)
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{
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message("user_start: nx_setbgcolor failed: %d\n", errno);
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g_exitcode = 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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bgstate = nxbg_getstate();
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ret = nx_requestbkgd(g_hnx, &g_bgcb, bgstate);
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if (ret < 0)
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{
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message("user_start: nx_setbgcolor failed: %d\n", errno);
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g_exitcode = 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 (!b_haveresolution)
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{
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(void)sem_wait(&g_semevent);
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}
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message("user_start: Screen resolution (%d,%d)\n", g_xres, g_yres);
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/* Now loop, adding text to the background and periodically presenting
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* a pop-up window.
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*/
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popcnt = 0;
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bkgndx = 0;
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for (;;)
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{
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/* Sleep for one second */
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sleep(1);
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popcnt++;
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/* Each three seconds, create a pop-up window. Destroy the pop-up
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* window after two more seconds.
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*/
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if (popcnt == 3)
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{
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/* Create a pop-up window */
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hwnd = nxpu_open();
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/* Give keyboard input to the top window (which should be the pop-up) */
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#ifdef CONFIG_NX_KBD
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message("user_start: Send keyboard input: %s\n", g_pumsg);
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ret = nx_kbdin(g_hnx, strlen((FAR const char *)g_pumsg), g_pumsg);
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if (ret < 0)
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{
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message("user_start: nx_kbdin failed: %d\n", errno);
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goto errout_with_hwnd;
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}
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#endif
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}
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else if (popcnt == 5)
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{
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/* Destroy the pop-up window and restart the sequence */
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message("user_start: Close pop-up\n");
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(void)nxpu_close(hwnd);
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popcnt = 0;
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}
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/* Give another line of text to the background window. Force this
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* text to go the background by calling the background window interfaces
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* directly.
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*/
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nxbg_write(g_bgwnd, (FAR const uint8_t *)g_bgmsg[bkgndx], strlen(g_bgmsg[bkgndx]));
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if (++bkgndx >= BGMSG_LINES)
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{
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bkgndx = 0;
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}
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}
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/* Close the pop-up window */
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errout_with_hwnd:
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if (popcnt >= 3)
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{
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message("user_start: Close pop-up\n");
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(void)nxpu_close(hwnd);
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}
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//errout_with_bkgd:
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(void)nx_releasebkgd(g_bgwnd);
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errout_with_nx:
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#ifdef CONFIG_NX_MULTIUSER
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/* Disconnect from the server */
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message("user_start: Disconnect from the server\n");
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nx_disconnect(g_hnx);
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#else
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/* Close the server */
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message("user_start: Close NX\n");
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nx_close(g_hnx);
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#endif
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errout:
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return g_exitcode;
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}
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