nuttx-apps/examples/nx/nx_server.c
patacongo 9fdb1157ee USB device drivers: Add hooks to to use common, external DMA buffer allocation implementation..
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@5142 42af7a65-404d-4744-a932-0658087f49c3
2012-09-13 14:14:18 +00:00

153 lines
4.9 KiB
C

/****************************************************************************
* examples/nx/nx_server.c
*
* Copyright (C) 2008-2009 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* 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 <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <sched.h>
#include <errno.h>
#include <debug.h>
#include <nuttx/arch.h>
#include <nuttx/nx/nx.h>
#ifdef CONFIG_NX_LCDDRIVER
# include <nuttx/lcd/lcd.h>
#else
# include <nuttx/fb.h>
#endif
#include "nx_internal.h"
#ifdef CONFIG_NX_MULTIUSER
/****************************************************************************
* Definitions
****************************************************************************/
/****************************************************************************
* Private Types
****************************************************************************/
/****************************************************************************
* Private Data
****************************************************************************/
/****************************************************************************
* Private Functions
****************************************************************************/
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: nx_servertask
****************************************************************************/
int nx_servertask(int argc, char *argv[])
{
FAR NX_DRIVERTYPE *dev;
int ret;
#if defined(CONFIG_EXAMPLES_NX_EXTERNINIT)
/* Use external graphics driver initialization */
message("nxeg_initialize: Initializing external graphics device\n");
dev = up_nxdrvinit(CONFIG_EXAMPLES_NX_DEVNO);
if (!dev)
{
message("nxeg_initialize: up_nxdrvinit failed, devno=%d\n", CONFIG_EXAMPLES_NX_DEVNO);
g_exitcode = NXEXIT_EXTINITIALIZE;
return ERROR;
}
#elif defined(CONFIG_NX_LCDDRIVER)
/* Initialize the LCD device */
message("nx_servertask: Initializing LCD\n");
ret = up_lcdinitialize();
if (ret < 0)
{
message("nx_servertask: up_lcdinitialize failed: %d\n", -ret);
return 1;
}
/* Get the device instance */
dev = up_lcdgetdev(CONFIG_EXAMPLES_NX_DEVNO);
if (!dev)
{
message("nx_servertask: up_lcdgetdev failed, devno=%d\n", CONFIG_EXAMPLES_NX_DEVNO);
return 2;
}
/* Turn the LCD on at 75% power */
(void)dev->setpower(dev, ((3*CONFIG_LCD_MAXPOWER + 3)/4));
#else
/* Initialize the frame buffer device */
message("nx_servertask: Initializing framebuffer\n");
ret = up_fbinitialize();
if (ret < 0)
{
message("nx_servertask: up_fbinitialize failed: %d\n", -ret);
return 1;
}
dev = up_fbgetvplane(CONFIG_EXAMPLES_NX_VPLANE);
if (!dev)
{
message("nx_servertask: up_fbgetvplane failed, vplane=%d\n", CONFIG_EXAMPLES_NX_VPLANE);
return 2;
}
#endif
/* Then start the server */
ret = nx_run(dev);
message("nx_servertask: nx_run returned: %d\n", errno);
return 3;
}
#endif /* CONFIG_NX_MULTIUSER */