Measurement-computing Net232 Instrukcja Użytkownika Pobierz pdf (Strona 14)

14 Net232 User’s Guide,

1037-0901, rev 2.0

nSerialSend

Function: int nSERIALSend (long session, short port, unsigned short flush, long timeout,

short terminator, short length, char FAR *data, short FAR *xlength, unsigned short

FAR *status);

Parameters:

Long session The session handle of the Net232

Short port The port being read from.

Unsigned short flush Flag to indicate if the receive buffer should

be cleared.

long timeout The time, in milliseconds, to wait for

received data.

Short terminator The terminator to be used for serial input.

Short length The maximum number of characters to be

Transmitted from the data buffer.

Char FAR * data A buffer where the transmitted

Data resides.

Short FAR * xlength The number of characters that were sent.

Unsigned short FAR * status Not used

Parameter Values:

Port Net232 = 1

Aux = 0

Flush retain = 0

Empty = 1

Terminator none = -1

CRLF = -3

User defined = 0 to 255

Returns: 0 if successful, error code or warning if command not completed.

Description: This function’s primary use is to send data to the Net232’s ethernet interface. The secondary use is to

flush all characters from the Net232’s ethernet interface receive buffer. Because this function may

take some time to complete, the return value must be tested to see if the command has completed.

The return value for command pending is –801.

Example:

Do {

ErrVal = nSERIALSend(session, 1, 0, 1000, 13, 100, &dataBuffer,

&xlength, &status);

} while (errVal == -801) ;

nSessionEnd

Function: int nSessionEnd (long session);

Parameters:

long session The session handle of the Net232

Returns: 0 if successful, error code if not.

Description: This function is used to end an active session. When operations with the Net232 are completed, this

function should be called to end the session.

1 2 ... 9 10 11 12 13 14 15 16

Komentarze do niniejszej Instrukcji

Brak uwag

Measurement-computing Net232 Instrukcja Użytkownika Strona 14

Komentarze do niniejszej Instrukcji

Powiązane produkty i podręczniki dla Sprzęt komputerowy Measurement-computing Net232