265 lines
7.6 KiB
C
265 lines
7.6 KiB
C
/****************************************************************************
|
|
* examples/nxdemo/nxdemo_main.c
|
|
*
|
|
* Copyright (C) 2018-2019 Gregory Nutt. All rights reserved.
|
|
* Author: Gregory Nutt <gnutt@nuttx.org>
|
|
* Cherciu Mihail <m_cherciu@yahoo.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.
|
|
*
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Included Files
|
|
****************************************************************************/
|
|
|
|
#include <nuttx/config.h>
|
|
|
|
#include <sys/types.h>
|
|
#include <sys/boardctl.h>
|
|
|
|
#include <stdint.h>
|
|
#include <stdbool.h>
|
|
#include <stdio.h>
|
|
#include <unistd.h>
|
|
#include <time.h>
|
|
#include <string.h>
|
|
#include <sched.h>
|
|
#include <pthread.h>
|
|
#include <errno.h>
|
|
#include <debug.h>
|
|
|
|
#include <nuttx/arch.h>
|
|
#include <nuttx/board.h>
|
|
|
|
#ifdef CONFIG_NX_LCDDRIVER
|
|
# include <nuttx/lcd/lcd.h>
|
|
#else
|
|
# include <nuttx/video/fb.h>
|
|
#endif
|
|
|
|
#include <nuttx/nx/nx.h>
|
|
#include <nuttx/nx/nxglib.h>
|
|
#include <nuttx/nx/nxfonts.h>
|
|
|
|
#include "nxdemo.h"
|
|
|
|
/****************************************************************************
|
|
* Pre-processor Definitions
|
|
****************************************************************************/
|
|
|
|
/* Configuration ************************************************************/
|
|
/* If not specified, assume that the hardware supports one video plane */
|
|
|
|
#ifndef CONFIG_EXAMPLES_NXDEMO_VPLANE
|
|
# define CONFIG_EXAMPLES_NXDEMO_VPLANE 0
|
|
#endif
|
|
|
|
/* If not specified, assume that the hardware supports one LCD device */
|
|
|
|
#ifndef CONFIG_EXAMPLES_NXDEMO_DEVNO
|
|
# define CONFIG_EXAMPLES_NXDEMO_DEVNO 0
|
|
#endif
|
|
|
|
/****************************************************************************
|
|
* Public Data
|
|
****************************************************************************/
|
|
|
|
struct nxdemo_data_s g_nxdemo =
|
|
{
|
|
NULL, /* hnx */
|
|
NULL, /* hbkgd */
|
|
false, /* connected */
|
|
0, /* xres */
|
|
0, /* yres */
|
|
false, /* havpos */
|
|
SEM_INITIALIZER(0), /* eventsem */
|
|
NXEXIT_SUCCESS /* exit code */
|
|
};
|
|
|
|
/****************************************************************************
|
|
* Private Functions
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Name: nxdemo_initialize
|
|
****************************************************************************/
|
|
|
|
static inline int nxdemo_initialize(void)
|
|
{
|
|
struct sched_param param;
|
|
pthread_t thread;
|
|
int ret;
|
|
|
|
/* Set the client task priority */
|
|
|
|
param.sched_priority = CONFIG_EXAMPLES_NXDEMO_CLIENTPRIO;
|
|
ret = sched_setparam(0, ¶m);
|
|
if (ret < 0)
|
|
{
|
|
printf("nxdemo_initialize: sched_setparam failed: %d\n" , ret);
|
|
return ERROR;
|
|
}
|
|
|
|
/* Start the NX server kernel thread */
|
|
|
|
ret = boardctl(BOARDIOC_NX_START, 0);
|
|
if (ret < 0)
|
|
{
|
|
printf("nxdemo_initialize: Failed to start the NX server: %d\n", errno);
|
|
return ERROR;
|
|
}
|
|
|
|
/* Connect to the server */
|
|
|
|
g_nxdemo.hnx = nx_connect();
|
|
if (g_nxdemo.hnx)
|
|
{
|
|
pthread_attr_t attr;
|
|
|
|
#ifdef CONFIG_VNCSERVER
|
|
/* Setup the VNC server to support keyboard/mouse inputs */
|
|
|
|
struct boardioc_vncstart_s vnc =
|
|
{
|
|
0, g_nxdemo.hnx
|
|
};
|
|
|
|
ret = boardctl(BOARDIOC_VNC_START, (uintptr_t)&vnc);
|
|
if (ret < 0)
|
|
{
|
|
printf("boardctl(BOARDIOC_VNC_START) failed: %d\n", ret);
|
|
nx_disconnect(g_nxdemo.hnx);
|
|
return ERROR;
|
|
}
|
|
#endif
|
|
|
|
/* Start a separate thread to listen for server events. This is probably
|
|
* the least efficient way to do this, but it makes this example flow more
|
|
* smoothly.
|
|
*/
|
|
|
|
(void)pthread_attr_init(&attr);
|
|
param.sched_priority = CONFIG_EXAMPLES_NXDEMO_LISTENERPRIO;
|
|
(void)pthread_attr_setschedparam(&attr, ¶m);
|
|
(void)pthread_attr_setstacksize(&attr, CONFIG_EXAMPLES_NXDEMO_LISTENER_STACKSIZE);
|
|
|
|
ret = pthread_create(&thread, &attr, nxdemo_listener, NULL);
|
|
if (ret != 0)
|
|
{
|
|
printf("nxdemo_initialize: pthread_create failed: %d\n", ret);
|
|
return ERROR;
|
|
}
|
|
|
|
/* Don't return until we are connected to the server */
|
|
|
|
while (!g_nxdemo.connected)
|
|
{
|
|
/* Wait for the listener thread to wake us up when we really
|
|
* are connected.
|
|
*/
|
|
|
|
(void)sem_wait(&g_nxdemo.eventsem);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
printf("nxdemo_initialize: nx_connect failed: %d\n", errno);
|
|
return ERROR;
|
|
}
|
|
|
|
return OK;
|
|
}
|
|
|
|
/****************************************************************************
|
|
* Public Functions
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Name: nxdemo_main
|
|
*
|
|
* Description:
|
|
* Main entry pointer. Configures the basic display resources.
|
|
*
|
|
****************************************************************************/
|
|
|
|
#ifdef BUILD_MODULE
|
|
int main(int argc, FAR char *argv[])
|
|
#else
|
|
int nxdemo_main(int argc, char *argv[])
|
|
#endif
|
|
{
|
|
int ret;
|
|
|
|
/* Initialize NX */
|
|
|
|
ret = nxdemo_initialize();
|
|
printf("nxdemo_main: NX handle=%p\n", g_nxdemo.hnx);
|
|
if (!g_nxdemo.hnx || ret < 0)
|
|
{
|
|
printf("nxdemo_main: Failed to get NX handle: %d\n", errno);
|
|
g_nxdemo.code = NXEXIT_EXTINITIALIZE;
|
|
goto errout;
|
|
}
|
|
|
|
/* Get the background window */
|
|
|
|
ret = nx_requestbkgd(g_nxdemo.hnx, &g_nxdemocb, NULL);
|
|
if (ret < 0)
|
|
{
|
|
printf("nxdemo_main: nx_setbgcolor failed: %d\n", errno);
|
|
g_nxdemo.code = NXEXIT_NXREQUESTBKGD;
|
|
goto errout_with_nx;
|
|
}
|
|
|
|
/* Wait until we have the screen resolution. */
|
|
|
|
while (!g_nxdemo.havepos)
|
|
{
|
|
(void)sem_wait(&g_nxdemo.eventsem);
|
|
}
|
|
|
|
printf("nxdemo_main: Screen resolution (%d,%d)\n",
|
|
g_nxdemo.xres, g_nxdemo.yres);
|
|
|
|
nxdemo_hello(g_nxdemo.hbkgd);
|
|
|
|
/* Release background */
|
|
|
|
(void)nx_releasebkgd(g_nxdemo.hbkgd);
|
|
|
|
/* Close NX */
|
|
|
|
errout_with_nx:
|
|
printf("nxdemo_main: Disconnect from the server\n");
|
|
nx_disconnect(g_nxdemo.hnx);
|
|
|
|
errout:
|
|
return g_nxdemo.code;
|
|
}
|