Measurement Computing CB-NAP-7000P - Manual (Page 29)

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6.3 Send_Cmd
Description:
This DLL will send a command string to CB-7000. If the wCheckSum=1, this DLL will automatically add the two
checksum bytes
to the input string. This DLL will add the [0x0D] to the end of the input command string, szCmd.
z Syntax:
WORD Send_Cmd(char cPort, char szCmd[], WORD wTimeOut, WORD wCheckSum)
z Input Parameter:
cPort: 1=COM1, 2=COM2, 3=COM3, 4=COM4, others = invalidate
szCmd: the starting address of the original command string (terminated with 0)
wTimeOut: constant for time-out control, unit = 1ms
wCheckSum: 0=DISABLE, 1=ENABLE
z Return Value:
NoError : OK
others = Error code, refer to 7000W31.H
6.4 Receive_Cmd
Description:
This DLL will receive a result string from CB-7000. If the wCheckSum=1, this DLL will automatically check the
two checksum bytes
of the result string. This DLL will check the result string terminator, 0x0D.
z Syntax:
WORD Receive_Cmd(char cPort, char szResult[], WORD wTimeOut, WORD wCheckSum)
z Input Parameter:
cPort: 1=COM1, 2=COM2, 3=COM3, 4=COM4, others = invalidate
szResult: the starting address of the result string (terminated with 0)
wTimeOut: constant for time-out control, unit = 1ms
wCheckSum: 0=DISABLE, 1=ENABLE
z Return Value:
NoError : OK
others = Error code, refer to 7000W31.H