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author | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2012-04-15 22:31:05 +0000 |
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committer | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2012-04-15 22:31:05 +0000 |
commit | 3a4ec3a93203f710ed190244ef98dd544f718b3b (patch) | |
tree | 9d64c8ce61b033c342fe18c118e47469098b3720 /apps/examples/watchdog/watchdog.h | |
parent | 184a2a43e3cb1c86f7eadf915a9f584715e82d35 (diff) | |
download | nuttx-3a4ec3a93203f710ed190244ef98dd544f718b3b.tar.gz nuttx-3a4ec3a93203f710ed190244ef98dd544f718b3b.tar.bz2 nuttx-3a4ec3a93203f710ed190244ef98dd544f718b3b.zip |
Add a watchdog timer test
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@4614 42af7a65-404d-4744-a932-0658087f49c3
Diffstat (limited to 'apps/examples/watchdog/watchdog.h')
-rw-r--r-- | apps/examples/watchdog/watchdog.h | 132 |
1 files changed, 132 insertions, 0 deletions
diff --git a/apps/examples/watchdog/watchdog.h b/apps/examples/watchdog/watchdog.h new file mode 100644 index 000000000..1b36da9b4 --- /dev/null +++ b/apps/examples/watchdog/watchdog.h @@ -0,0 +1,132 @@ +/**************************************************************************** + * examples/examples/watchdog/watchdog.h + * + * Copyright (C) 2012 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. + * + ****************************************************************************/ + +#ifndef __APPS_EXAMPLES_WATCHDOG_WATCHDOG_H +#define __APPS_EXAMPLES_WATCHDOG_WATCHDOG_H + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +#include <nuttx/config.h> + +/**************************************************************************** + * Definitions + ****************************************************************************/ +/* Configuration ************************************************************/ +/* CONFIG_NSH_BUILTIN_APPS - Build the WATCHDOG test as an NSH built-in + * function. Default: Not built! The example can only be used as an NSH + * built-in application + * CONFIG_EXAMPLES_WATCHDOG_DEVPATH - The path to the Watchdog device. + * Default: /dev/watchdog0 + * CONFIG_EXAMPLES_WATCHDOG_PINGTIME - Time in milliseconds that the example + * will ping the watchdog before letting the watchdog expire. Default: 5000 + * milliseconds + * CONFIG_EXAMPLES_WATCHDOG_PINGDELAY - Time delay between pings in + * milliseconds. Default: 500 milliseconds. + * CONFIG_EXAMPLES_WATCHDOG_TIMEOUT - The watchdog timeout value in + * milliseconds before the watchdog timer expires. Default: 2000 + * milliseconds. + */ + +#ifndef CONFIG_WATCHDOG +# error "WATCHDOG device support is not enabled (CONFIG_WATCHDOG)" +#endif + +#ifndef CONFIG_NSH_BUILTIN_APPS +# warning "The WATCHDOG example only works as an NSH built-in application (CONFIG_NSH_BUILTIN_APPS)" +#endif + +#ifndef CONFIG_EXAMPLES_WATCHDOG_DEVPATH +# define CONFIG_EXAMPLES_WATCHDOG_DEVPATH "/dev/watchdog0" +#endif + +#ifndef CONFIG_EXAMPLES_WATCHDOG_PINGTIME +# define CONFIG_EXAMPLES_WATCHDOG_PINGTIME 5000 +#endif + +#ifndef CONFIG_EXAMPLES_WATCHDOG_PINGDELAY +# define CONFIG_EXAMPLES_WATCHDOG_PINGDELAY 500 +#endif + +#ifndef CONFIG_EXAMPLES_WATCHDOG_TIMEOUT +# define CONFIG_EXAMPLES_WATCHDOG_TIMEOUT 2000 +#endif + +/* Debug ********************************************************************/ + +#ifdef CONFIG_CPP_HAVE_VARARGS +# ifdef CONFIG_DEBUG +# define message(...) lib_rawprintf(__VA_ARGS__) +# define msgflush() +# else +# define message(...) printf(__VA_ARGS__) +# define msgflush() fflush(stdout) +# endif +#else +# ifdef CONFIG_DEBUG +# define message lib_rawprintf +# define msgflush() +# else +# define message printf +# define msgflush() fflush(stdout) +# endif +#endif + +/**************************************************************************** + * Public Types + ****************************************************************************/ + +/**************************************************************************** + * Public Variables + ****************************************************************************/ + +/**************************************************************************** + * Public Function Prototypes + ****************************************************************************/ + +/**************************************************************************** + * Name: watchdog_devinit() + * + * Description: + * Perform architecuture-specific initialization of the Watchdog hardware. + * This interface must be provided by all configurations using + * apps/examples/watchdog + * + ****************************************************************************/ + +int watchdog_devinit(void); + +#endif /* __APPS_EXAMPLES_WATCHDOG_WATCHDOG_H */ |