user_valid_point

Defines whether the point is valid. Where custom addressing is used, both the domain_index and offset for the point must be determined.

You can find the template for this subroutine in:

usrtm_valpt.c

Syntax

void user_valid_point(DEVICE_DATA*device_struct,
????????????????????????????????????????????ADDR_DATA *address_struct,
????????????????????????????????????????????int *valid_pt,
????????????????????????????????????????????int *comm_status,
????????????????????????????????????????????int *status)

Input Parameters

device_struct

Is a pointer to the structure defining device data. DEVICE_DATA is a typedef to a structure defined in <inc_path/toolkit.h>.

address_struct

Is a pointer to the address from which the data was read. ADDR_DATA is a typedef to a structure defined in <inc_path/toolkit.h>.

Output Parameters

valid_pt

Defines whether the point is valid. Valid values are:

valid_pt is not a Boolean value.

comm_status

Indicates whether a status of TOOLKIT_FAILURE occurred as a result of a communication failure. Valid values are:

status

Indicates whether the function read all the data. Valid values are:

Return Value

None.