Fluke 2635A user manual Sample Program QuickC 2

Computer Operations 4

Computer Interface Commands and Operation

asiputs( COM2, "ECHO 0", -2); /* Turn off command echo on Hydra */

checkResponse(); /* Get prompt */

/* Open data file TESTDATA.PRN */

if((testdata = fopen("testdata.prn","w")) == NULL)

{

perror("Cannot open testdata.prn"); exit(1);

}

/* Find out the number of channels the user wants to configure NOTE: Channel 0 will not be used */

numChannels = 0;

while((numChannels < 1) (numChannels > 20))

{

fprintf(stdout,"Enter the number of channels to be scanned (1-20):"); gets(response);

numChannels = atoi(response); /* convert ascii response to numeric */

}

/* Turn off unused channels */ fprintf(stdout,"\nWait....\n");

for(index = numChannels + 1; index < 21; ++index)

{

sprintf(sendbuff,"FUNC %d, OFF",index); asiputs(COM2,sendbuff,-2);

checkResponse();	/* get prompt */
}

/* Print Header and Hydra identification header */

fprintf(stdout,"\n\nSample Program for Hydra\n");

asiputs(COM2,"*IDN?",-2); /* Ask for Hydra identification info */

checkResponse();/* Get prompt */

asigets_timed(COM2,recvbuff,256,-2,TICKS_PER_SECOND*2); /* Receive Hydra identification header */

fprintf(stdout,"%s\n\n",recvbuff);

/*

*Configure channels and scan until user chooses to Quit

*/

while(1)
{
int func;	/* Configuration setting */
char configStr[14];	/* channel function string */

/*

*Configure Hydra Channels

*/

op53_2f.eps

Figure 4-7. Sample Program (QuickC) (2 of 5)

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