Racal Instruments 1260 VXI, User Manual

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1260-145 User Manual
Racal Instruments

2003 Module Operation 3-17
1260-145 Example
Code
#include <visa.h>
/* This example shows a 1260-01T at logical address 16 and a VXI/MXI */
/* interface */
#define RI1260_01_DESC
"VXI::16"
/* For a GPIB-VXI interface, and a logical address of 77 */
/* the descriptor would be: "GPIB-VXI::77" */
/* this example shows a 1260-145 with module address 7, control register
1, and write data of 0xAA */
#define MOD_ADDR_145 7
#define CONTROL_REGISTER
1
#define DATA_ITEM 0xAA
void example_operate_1260_145(void)
{
ViUInt8
creg_val;
ViBusAddress chan1_addr, offset;
ViSession hdl1260; /* VISA handle to the 1260-01T */
ViSession hdlRM; /* VISA handle to the resource manager */
ViStatus error; /* VISA error code */
/* open the resource manager */
/* this must be done once in application program */
error = viOpenDefaultRM (&hdlRM);
if (error < 0) {
/* error handling code goes here */
}
/* get a handle for the 1260-01T */
error = viOpen (hdlRM, RI1260_01_DESC, VI_NULL,VI_NULL, &hdl1260);
if (error < 0) {
/* error handling code goes here */
}
/* form the offset for control register 0 */
/* note that the base A24 Address for the 1260-01T */
/* is already accounted for by VISA calls viIn8() and */