SysComOpen
(FUN)
FUNCTION SysComOpen : RTS_IEC_HANDLE
<description>Open a serial communication device.</description> <result><p>RESULT: Handle to the opened com port or RTS_INVALID_HANDLE if failed</p></result>
- InOut:
Scope
Name
Type
Comment
Return
SysComOpen
RTS_IEC_HANDLE
Input
sPort
<param name=”sPort” type=”IN”>Com port to open. SYS_COMPORT1 = COM1, …</param>
pResult
POINTER TO RTS_IEC_RESULT
<param name=”pResult” type=”OUT”>Pointer to runtime system error code (see CmpErrors.library)</param>