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98 Chapter 2

Programming Examples

LAN Programming Examples

/*********************************************/

/* open a socket connection to the instrument*/

/*********************************************/

#ifdef WINSOCK

if (init_winsock() != 0) {

exit(1);

}

#endif /* WINSOCK */

instSock = openSocket("xxxxxx", SCPI_PORT); /* Put your hostname here */

if (instSock == INVALID_SOCKET) {

fprintf(stderr, "Unable to open socket.\n");

return 1;

}

/* fprintf(stderr, "Socket opened.\n"); */

bufBytes = queryInstrument(instSock, "*IDN?\n", charBuf, INPUT_BUF_SIZE);

printf("ID: %s\n",charBuf);

commandInstrument(instSock, "FREQ 2.5 GHz\n");

printf("\n");

bufBytes = queryInstrument(instSock, "FREQ:CW?\n", charBuf, INPUT_BUF_SIZE);

printf("Frequency: %s\n",charBuf);

commandInstrument(instSock, "POW:AMPL -5 dBm\n");

bufBytes = queryInstrument(instSock, "POW:AMPL?\n", charBuf, INPUT_BUF_SIZE);

printf("Power Level: %s\n",charBuf);

printf("\n");

#ifdef WINSOCK

closesocket(instSock);

Agilent Technologies E8257C Programming Guide

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