ICP DAS USA PDS-5000 Series, Руководство пользователя

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Programmable Serial-to-Ethernet Device Server
PDS Series User Manual, Version 2.5, Mar. 2019 - 141 -
7.3.3 Send_Receive_Cmd()
This function sends a DCON command string and receives the response.
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Syntax:
Send_Receive_Cmd (unsigned char cPort , char szCmd[ ] , char szResult[ ] , WORD wTimeOut ,
WORD wChksum , WORD *wT );

Parameters:
cPort
COM Port number (1 ~ 255)
szCmd[ ]
The send string, 1024 bytes maximum, without a zero (0x0D) character
szResult[ ]
The result string recevied, 1024 bytes maximum, with one zero or 0x0D
terminal character
wTimeOut
Timeout for receiving the result string.
Unit: ms
wChksum
0 : add one 0x0D byte to the end of the szCmd
<>0 : add two check sum bytes and one 0x0D byte to the end of the
szCmd
*wT
Return a reference number to identify the performance

Returns:
0 No error
Others Error codes