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# wdt_drv.h File Reference

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## Defines
#define | Is_ext_reset() ((MCUSR&(1<<EXTRF)) ? TRUE:FALSE)
#define | Ack_ext_reset() (MCUSR= ~(1<<EXTRF))
#define | Is_POR_reset() ((MCUSR&(1<<(MCUSR= ~(1<<PORF)))) ? TRUE:FALSE)
#define | Ack_POR_reset() (MCUSR= ~(1<<PORF))
#define | Is_BOD_reset() ((MCUSR&(1<<BORF)) ? TRUE:FALSE)
#define | Ack_BOD_reset() (MCUSR= ~(1<<BORF))
#define | Is_wdt_reset() ((MCUSR&(1<<WDRF)) ? TRUE:FALSE)
#define | Ack_wdt_reset() (MCUSR= ~(1<<WDRF))
#define | Wdt_ack_interrupt() (WDTCSR = (U8)(1<<WDIF))
#define | Is_wdt_interrupt() (WDTCSR&(1<<WDIF) ? TRUE:FALSE)
#define | Is_not_wdt_interrupt() (WDTCSR&(1<<WDIF) ? FALSE:TRUE)
#define | Is_wdt_early_warning() (WDTCKD&(1<<WDEWIF) ? TRUE:FALSE)
#define | Is_not_wdt_early_warning() (WDTCKD&(1<<WDEWIF) ? FALSE:TRUE)
#define | WDTO_16MS 0
#define | WDTO_32MS 1
#define | WDTO_64MS 2
#define | WDTO_125MS 3
#define | WDTO_250MS 4
#define | WDTO_500MS 5
#define | WDTO_1S 6
#define | WDTO_2S 7
#define | WDTO_4S 8
#define | WDTO_8S 9
#define | Soft_reset() {asm("jmp 0000");}
## Functions
void | wdtdrv_disable (void)
| This functions stops the hardware watchdog timer.
void | wdtdrv_enable (U8 timeout)
| This functions activates the hardware watchdog timer.
void | wdtdrv_interrupt_enable (U8 timeout)
| This functions activates the hardware watchdog timer Interrupt Mode only.
void | wdtdrv_interrupt_reset_enable (U8 timeout)
| This functions activates the hardware watchdog timer Interrupt & System Reset Mode.

## Detailed Description

This file contains the Watchdog low level driver definition - Compiler: IAR EWAVR and GNU GCC for AVR

- Supported devices: AT90USB1287, AT90USB1286, AT90USB647, AT90USB646
  Author:
    Atmel Corporation: http://www.atmel.com
    Support and FAQ: http://support.atmel.no/

Definition in file wdt_drv.h.