watchdogrtc.h

来自「矿工定位系统,包括单片机原理图,PCB,KEILC51原代码,带瓦斯检测功能,成」· C头文件 代码 · 共 80 行

//watchdogrtc.h - code recommendation for C header file
/***********************************************************************
MODULE:    Watchdog and Real Time Clock Common Code
VERSION:   1.00
CONTAINS:  Routines for controlling the Watchdog and Real Time Clock/
           System Timer common interrupt on the Philips P89LPC932
COPYRIGHT: Embedded Systems Academy, Inc. - www.esacademy.com
LICENSE:   May be freely used in commercial and non-commercial code
           without royalties provided this copyright notice remains
           in this file and unaltered
WARNING:   IF THIS FILE IS REGENERATED BY CODE ARCHITECT ANY CHANGES
           MADE WILL BE LOST. WHERE POSSIBLE USE ONLY CODE ARCHITECT
           TO CHANGE THE CONTENTS OF THIS FILE
GENERATED: On "Feb 24 2004" at "16:21:01" by Code Architect 2.03
***********************************************************************/

#ifndef _WATCHDOGRTCH_
#define _WATCHDOGRTCH_

/***********************************************************************
DESC:    Initializes and enables Watchdog and Real Time Clock interrupt
RETURNS: Nothing
CAUTION: Set EA to 1 to enable interrupts after calling
************************************************************************/
extern void watchdogrtc_isrinit
  (
  );

/***********************************************************************
DESC:    Watchdog and Real Time Clock Interrupt Service Routine
RETURNS: Nothing
CAUTION: rtc_init or watchdog_init must be called and EA must be set
         to 1 to enable interrupts
************************************************************************/
extern void watchdogrtc_isr
  (
  void
  );
/***********************************************************************
DESC:    Initializes the watchdog as a Watchdog Timer
         Uses Watchdog clock at 400kHz as a clock source
         Resets the device if not fed within 998.888 ms
RETURNS: Nothing
************************************************************************/
extern void watchdog_init
  (
  void
  );

/***********************************************************************
DESC:    Feeds the Watchdog to stop the device from resetting
RETURNS: Nothing
CAUTION: watchdog_init must be called first
************************************************************************/
extern void watchdog_feed
  (
  void
  );

/***********************************************************************
DESC:    Starts the Watchdog
RETURNS: Nothing
CAUTION: watchdog_init must be called first
************************************************************************/
extern void watchdog_start
  (
  void
  );

/***********************************************************************
DESC:    Stops the Watchdog
RETURNS: Nothing
CAUTION: watchdog_init must be called first
************************************************************************/
extern void watchdog_stop
  (
  void
  );

#endif // _WATCHDOGRTCH_