diff options
Diffstat (limited to 'nuttx/arch/sim')
-rw-r--r-- | nuttx/arch/sim/src/up_hostusleep.c | 66 | ||||
-rw-r--r-- | nuttx/arch/sim/src/up_idle.c | 31 |
2 files changed, 97 insertions, 0 deletions
diff --git a/nuttx/arch/sim/src/up_hostusleep.c b/nuttx/arch/sim/src/up_hostusleep.c new file mode 100644 index 000000000..67eb3e221 --- /dev/null +++ b/nuttx/arch/sim/src/up_hostusleep.c @@ -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); +} + diff --git a/nuttx/arch/sim/src/up_idle.c b/nuttx/arch/sim/src/up_idle.c index 84177f106..e83068713 100644 --- a/nuttx/arch/sim/src/up_idle.c +++ b/nuttx/arch/sim/src/up_idle.c @@ -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 ****************************************************************************/ @@ -86,5 +102,20 @@ 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 } |