?? tmse.c
字號:
/* Move input timer pointer into internal pointer. */
timer = (TM_APP_TCB *) timer_ptr;
/* Check the parameters to the delete timer function. */
if (timer == NU_NULL)
/* Invalid timer pointer. */
status = NU_INVALID_TIMER;
else if (timer -> tm_id != TM_TIMER_ID)
/* Invalid timer pointer. */
status = NU_INVALID_TIMER;
else
/* Call the actual delete timer function. */
status = TMS_Delete_Timer(timer_ptr);
/* Return completion status. */
return(status);
}
/*************************************************************************/
/* */
/* FUNCTION */
/* */
/* TMSE_Reset_Timer */
/* */
/* DESCRIPTION */
/* */
/* This function performs error checking on the parameters supplied */
/* to the reset timer function. */
/* */
/* CALLED BY */
/* */
/* Application */
/* */
/* CALLS */
/* */
/* TMS_Reset_Timer Actual reset timer function */
/* */
/* INPUTS */
/* */
/* timer_ptr Timer control block pointer */
/* expiration_routine Timer expiration routine */
/* initial_time Initial expiration time */
/* reschedule_time Reschedule expiration time */
/* enable Automatic enable option */
/* */
/* OUTPUTS */
/* */
/* NU_INVALID_TIMER Indicates timer pointer is */
/* invalid */
/* NU_INVALID_FUNCTION Indicates that expiration */
/* function pointer is NULL */
/* NU_INVALID_ENABLE Indicates enable parameter */
/* is invalid */
/* */
/* HISTORY */
/* */
/* DATE REMARKS */
/* */
/* 03-01-1993 Created initial version 1.0 */
/* 04-19-1993 Verified version 1.0 */
/* 03-01-1994 Changed function interface, */
/* resulting in version 1.1 */
/* */
/* 03-18-1994 Verified version 1.1 */
/* */
/*************************************************************************/
STATUS TMSE_Reset_Timer(NU_TIMER *timer_ptr,
VOID (*expiration_routine)(UNSIGNED),
UNSIGNED initial_time, UNSIGNED reschedule_time, OPTION enable)
{
TM_APP_TCB *timer; /* Timer contorl block ptr */
STATUS status; /* Completion status */
/* Move input timer pointer into internal pointer. */
timer = (TM_APP_TCB *) timer_ptr;
/* Check the parameters to the reset timer function. */
if (timer == NU_NULL)
/* Invalid timer pointer. */
status = NU_INVALID_TIMER;
else if (timer -> tm_id != TM_TIMER_ID)
/* Invalid timer pointer. */
status = NU_INVALID_TIMER;
else if (initial_time == 0)
/* Invalid time value. */
status = NU_INVALID_OPERATION;
else if (expiration_routine == NU_NULL)
/* Invalid expiration function pointer. */
status = NU_INVALID_FUNCTION;
else if ((enable != NU_ENABLE_TIMER) && (enable != NU_DISABLE_TIMER))
/* Invalid enable parameter. */
status = NU_INVALID_ENABLE;
else
/* Call the actual reset timer function. */
status = TMS_Reset_Timer(timer_ptr, expiration_routine, initial_time,
reschedule_time, enable);
/* Return completion status. */
return(status);
}
/*************************************************************************/
/* */
/* FUNCTION */
/* */
/* TMSE_Control_Timer */
/* */
/* DESCRIPTION */
/* */
/* This function performs error checking on the parameters supplied */
/* to the control timer function. */
/* */
/* CALLED BY */
/* */
/* Application */
/* */
/* CALLS */
/* */
/* TMS_Control_Timer Actual control timer function*/
/* */
/* INPUTS */
/* */
/* timer_ptr Timer control block pointer */
/* enable Disable/enable timer option */
/* */
/* OUTPUTS */
/* */
/* NU_INVALID_TIMER Indicates the timer pointer */
/* is invalid */
/* NU_INVALID_ENABLE Indicates enable parameter */
/* is invalid */
/* */
/* HISTORY */
/* */
/* DATE REMARKS */
/* */
/* 03-01-1993 Created initial version 1.0 */
/* 04-19-1993 Verified version 1.0 */
/* 03-01-1994 Changed function interface, */
/* resulting in version 1.1 */
/* */
/* 03-18-1994 Verified version 1.1 */
/* */
/*************************************************************************/
STATUS TMSE_Control_Timer(NU_TIMER *timer_ptr, OPTION enable)
{
TM_APP_TCB *timer; /* Timer control block ptr */
STATUS status; /* Completion status */
/* Move input timer pointer to internal pointer. */
timer = (TM_APP_TCB *) timer_ptr;
/* Check the parameters to the reset timer function. */
if (timer == NU_NULL)
/* Invalid timer pointer. */
status = NU_INVALID_TIMER;
else if (timer -> tm_id != TM_TIMER_ID)
/* Invalid timer pointer. */
status = NU_INVALID_TIMER;
else if ((enable != NU_ENABLE_TIMER) && (enable != NU_DISABLE_TIMER))
/* Invalid enable parameter. */
status = NU_INVALID_ENABLE;
else
/* Call actual control timer function. */
status = TMS_Control_Timer(timer_ptr, enable);
/* Return completion status. */
return(status);
}
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