Need to control watchdog timer on AT90USB

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@3706 42af7a65-404d-4744-a932-0658087f49c3
This commit is contained in:
patacongo 2011-06-15 19:47:06 +00:00
parent 6af9d5b275
commit 363e6bd62a
1 changed files with 44 additions and 0 deletions

View File

@ -38,6 +38,7 @@
**************************************************************************/
#include <nuttx/config.h>
#include <avr/wdt.h>
#include "at90usb_config.h"
#include "up_internal.h"
@ -47,6 +48,28 @@
* Private Definitions
**************************************************************************/
#if defined(CONFIG_WDTO_15MS)
# define WDTO_VALUE WDTO_15MS
#elif defined(CONFIG_WDTO_30MS)
# define WDTO_VALUE WDTO_30MS
#elif defined(CONFIG_WDTO_60MS)
# define WDTO_VALUE WDTO_60MS
#elif defined(CONFIG_WDTO_120MS)
# define WDTO_VALUE WDTO_120MS
#elif defined(CONFIG_WDTO_1250MS)
# define WDTO_VALUE WDTO_250MS
#elif defined(CONFIG_WDTO_500MS)
# define WDTO_VALUE WDTO_500MS
#elif defined(CONFIG_WDTO_1S)
# define WDTO_VALUE WDTO_1S
#elif defined(CONFIG_WDTO_2S)
# define WDTO_VALUE WDTO_2S
#elif defined(CONFIG_WDTO_4S)
# define WDTO_VALUE WDTO_4S
#else /* if defined(CONFIG_WDTO_8S) */
# define WDTO_VALUE WDTO_8S
#endif
/**************************************************************************
* Private Types
**************************************************************************/
@ -67,6 +90,23 @@
* Private Functions
**************************************************************************/
/**************************************************************************
* Name: up_wdtinit
*
* Description:
* Initialize the watchdog per the NuttX configuration.
*
**************************************************************************/
static inline void up_wdtinit(void)
{
#ifndef CONFIG_AVR_WDT
wdt_disable();
#else
wdt_enable(WDTO_VALUE);
#endif
}
/**************************************************************************
* Public Functions
**************************************************************************/
@ -83,6 +123,10 @@
void up_lowinit(void)
{
/* Initialize the watchdog timer */
up_wdtinit();
/* Initialize a console (probably a serial console) */
up_consoleinit();