PTMAP_add_snapshot

This subroutine adds a request for a "Snapshot" of a point to a Shopping List. The current point value is returned by Point Management after the Shopping List has been sent.

Syntax

PTMAP_add_snapshot ( sl_adr, point_adr, req_adr,
                     retstat )
PTMAP_ADDR  *sl_adr;
PTMAP_ADDR  *point_adr;
PTMAP_ADDR  *req_adr;
COR_STATUS  *retstat;

Input Arguments

sl_adr A Shopping List ID created by a call to PTMAP_add_sl .
point_adr A Point ID created by a call to PTMAP_add_point .

Output Arguments

req_adr Identifier used to reference this request.
Retstat Pointer to status structure. The following errors may be returned (see Appendix A for an explanation of this code):
PTMAP_ADDR_PTR_NULL
PTMAP_SL_ADR_NULL
PTMAP_SL_ADDR_NOTF
PTMAP_SEQ_NUM_MISMATCH

Return Value

The contents of retstat.status .