AcQuisition Technology Quad M-module Carrier i4000 User Manual download pdf (Page 24)

APIS - AcQ Platform Interface Software

Programmer’s Manual Version: 2.1

AcQuisition Technology bv

P.O. Box 627, 5340 AP

Oss, The Netherlands

Page 22 of 77

3.4.13. EXECUTE CRITICAL CODE

Function: apis_criticalcode

Description: A function is executed via the supplied pointer. The function is executed with all

interrupts disabled and if possible in kernel mode of the Operating System. This

function is provided for execution of critical user code.

Note: The user supplied function must be as short as possible and must not

call time consuming routines like printf, getchar etc.

Warning: apis_criticalcode must not be called from within an interrupt service

routine or from within a routine called via apis_criticalcode.

Arguments: void *func

Pointer to the user routine

int narg

Number of argurments following in the argument list

...

Variable argument list, the arguments in this list are passed to the user

routine.

Returns: APIS error code

3.4.14. DELAY

Function: apis_delay

Description: Suspend the current process for a requested delay. The delay must be provided in

milliseconds. The minimum delay time is platform dependent. Although the delay

request is passed in milliseconds the resolution and minimum delay might be greater

then 1 msec (mostly 10msec).

Arguments: UINT32 dtime

Delay time in milliseconds.

Returns: APIS error code

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AcQuisition Technology Quad M-module Carrier i4000 User Manual Page 24