Intermec Trakker T2090, User Manual

Page: 116 / 246

im_tm_callback_register
4-56
im_tm_callback_register
Purpose This function adds a function to the timer callback database and specifies
how the function will be called back.
Syntax #include "imt209x.h"
IM_STATUS im_tm_callback_register
(PTIMERCALLBACK
function,
time_t start_time,
IM_USHORT repeat_count
IM_ULONG period,
IM_BOOL fDisable,
IM_USHORT *
index);
IN Parameters function Pointer to the function to be called.
start_time Specifies when to perform the first callback. Either enter the time
as the number of seconds elapsed since midnight on January 1, 1970, or
choose this constant:
IM_CALLBK_NOW Start the first callback immediately.
repeat_count Specifies the number of callbacks. Either enter any number
from 2 to 65534 (two-byte range of IM_USHORT), or choose one of these
constants:
IM_CALLBK_ONCE Callback once.
IM_CALLBK_CONTINUOUS Callback continuously.
period Specifies the interval between callbacks. Either enter any number to
indicate the interval in seconds, or choose one of these constants:
IM_CALLBK_SECOND Callback every second.
IM_CALLBK_MINUTE Callback every minute.
IM_CALLBACK_HOUR Callback every hour.
IM_CALLBK_DAY Callback every day.
IM_CALLBK_WEEK Callback every week.
IM_CALLBK_MONTH Callback every month.
IM_CALLBK_QUARTER Callback every quarter.
IM_CALLBK_YEAR Callback every year.