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Add CONFIG_SIM_WALLTIME option

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git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@1360 42af7a65-404d-4744-a932-0658087f49c3
This commit is contained in:
patacongo 2008-11-30 18:51:40 +00:00
parent d27c7e0b65
commit 14b892fb02
2 changed files with 97 additions and 0 deletions
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66
arch/sim/src/up_hostusleep.c Normal file
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@ -0,0 +1,66 @@
/****************************************************************************
* arch/sim/src/up_hostusleep.c
*
* Copyright (C) 2008 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
*
* 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 <unistd.h>
/****************************************************************************
* Private Definitions
****************************************************************************/
/****************************************************************************
* Private Data
****************************************************************************/
/****************************************************************************
* Private Functions
****************************************************************************/
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: up_hostusleep
****************************************************************************/
int up_hostusleep(unsigned int usec)
{
return usleep(usec);
}

31
arch/sim/src/up_idle.c
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@ -39,6 +39,7 @@
#include <nuttx/config.h>
#include <sys/types.h>
#include <time.h>
#include <nuttx/arch.h>
#include "up_internal.h"
@ -50,6 +51,21 @@
* Private Data
****************************************************************************/
#ifdef CONFIG_SIM_X11FB
static int g_x11refresh = 0;
#endif
/****************************************************************************
* Public Function Prototypes
****************************************************************************/
#if defined(CONFIG_SIM_WALLTIME) || defined(CONFIG_SIM_X11FB)
extern int up_hostusleep(unsigned int usec);
#ifdef CONFIG_SIM_X11FB
extern void up_x11update(void);
#endif
#endif
/****************************************************************************
* Private Functions
****************************************************************************/
@ -85,6 +101,21 @@ void up_idle(void)
#if defined(CONFIG_NET) && defined(linux)
uipdriver_loop();
#endif
/* Wait a bit so that the sched_process_timer() is called close to the
* correct rate.
*/
#if defined(CONFIG_SIM_WALLTIME) || defined(CONFIG_SIM_X11FB)
(void)up_hostusleep(1000000 / CLK_TCK);
#ifdef CONFIG_SIM_X11FB
g_x11refresh += 1000000 / CLK_TCK;
if (g_x11refresh > 500000)
{
up_x11update();
}
#endif
#endif
}