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EX10xxA Function Calls
265
vtex10xxA_set_vtb_output_enable
F
UNCTION
P
ROTOTYPE
vtex1048_set_vtb_output_enable(ViSession
vi
, ViInt32
out_enable
);
F
UNCTION
P
ARAMETERS
vi
= contains a session handle to the instrument. This handle is obtained by the function and remains valid until the
session is closed.
out_enable
= the value that represents the desired output enable state of the 8-bit port. Within the 8-bit field, the
MSB corresponds to LXI Trigger Bus (VTB) channel 7 and the LSB corresponds to LXI Trigger Bus (VTB)
channel 0. Valid input values: 0 through 255 (decimal), 0x00 through 0xFF (hexadecimal).
D
ATA
I
TEM
R
ESET
V
ALUE
out_enable
= 0
D
ESCRIPTION
This function enables or disables the output functionality of each channel of the trigger bus. Input functionality on
each channel is constant regardless of its output functionality.
E
XAMPLE
// set VTB bit 7 (high) and VTB bit 6 (low)
vtex10xxA_set_vtb_output(vi, 0x80);
// enable them as outputs
vtex10xxA_set_vtb_output_enable(vi, 0xC0);
Summary of Contents for EX1000A
Page 28: ...VTI Instruments Corp 28 EX10xxA Introduction EX1044 DIAGRAM ...
Page 29: ...www vtiinstruments com EX10xxA Introduction 29 FIGURE 1 5 EX1044 TABLE TOP USAGE ...
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