F_CheckSum16
The function "F_CheckSum16" can be used to determine a 16-bit checksum for any data.
Return value
Name | Type | Description |
|---|---|---|
F_CheckSum16 | WORD |
|
Inputs
VAR_INPUT
dwSrcAddr : POINTER TO BYTE;
cbLen : UDINT;
wChkSum : WORD;
END_VARName | Type | Description |
|---|---|---|
dwSrcAddr | POINTER TO BYTE | Address of the data buffer. |
cbLen | UDINT | Length of the data buffer. |
wChkSum | WORD | : Initial value = 0 or last checksum. |
Requirements
Development environment | Target platform | PLC libraries to be integrated (category group) |
|---|---|---|
TwinCAT v3.1.0 | PC or CX (x86, x64, Arm®) | Tc2_Utilities (System) |