os_alarm.h

ucos277很多朋友都在找,在这贡献出来了

#ifndef OS_ALARM_EN
#error  "OS_CFG.H, Missing OS_ALARM_EN: Include code for OSAlarm*()"
#endif

#if (OS_ALARM_EN > 0) && (OS_MAX_ALARMS > 0)

#if (OS_VERSION < 251)
#error "OS_ALARM requires uCOS-II version 2.52 at least"
#endif

#ifdef   OS_ALARM_GLOBALS
#define  OS_ALARM_EXT
#else
#define  OS_ALARM_EXT  extern
#endif

typedef struct {
  /** the type and state of this alarm */
  INT8U OSAlarmType;
  /** the absolute time in ticks when this alarm triggers */
  INT32U OSAlarmTime;
#if (OS_ALARM_PERIODIC_EN > 0)
  /** The number of ticks in a period. If this is > 0,
   * this is a periodic alarm, reset after each trigger.
   */
  INT16U OSAlarmPeriod;
#endif
  /** next alarm in free/active list */
  void *OSAlarmNext;
  /** event flag group to trigger */
  OS_FLAG_GRP *OSAlarmFlagGrp;
  /** event flags to set on trigger */
  OS_FLAGS OSAlarmFlags;
} OS_ALARM;

/// Table containing alarms
OS_ALARM_EXT  OS_ALARM       OSAlarmTbl[OS_MAX_ALARMS];  
/// Pointer to list of free alarms
OS_ALARM_EXT  OS_ALARM      *OSAlarmFreeList; 
/// Pointer to list of active alarms          
OS_ALARM_EXT  OS_ALARM      *OSAlarmActiveList;           

/// alarm is free
#define OS_ALARM_TYPE_UNUSED 20
/// alarm is allocated but idle
#define OS_ALARM_TYPE_IDLE 21
/// alarm is active
#define OS_ALARM_TYPE_ACTIVE 22

/// one-shot alarm option
#define OS_ALARM_ONESHOT 0
/// period alarm option
#define OS_ALARM_PERIODIC 1

/// indicates that an alarm could not be allocated
#define OS_ALARM_DEPLETED    160
/// indicates that a wrong alarm state was present in OSAlarm*()
#define OS_ERR_ALARM_TYPE    161

void OSAlarmInit(void);
OS_ALARM *OSAlarmCreate(OS_FLAG_GRP *flag_group, OS_FLAGS flags, INT8U opt, INT8U *err);
void OSAlarmDel(OS_ALARM *alarm, INT8U *err);
void OSAlarmDisable(OS_ALARM *alarm, INT8U *err);
void OSAlarmSet(OS_ALARM *alarm, INT16U ticks, INT8U *err);
INT8U OSAlarmCheck(void);
void OSAlarmTrigger(void);

#endif /* OS_ALARMS_EN */