Table of Contents
Advertisement
Functions Listed by Functional Group
The following pages have the programming functions grouped by related functions.
The a brief description of each group follows:
l
Initializing the E1437:
You must first initialize the I/O driver and set up each module.
l
Configuring the Analog Inputs:
The functions in this group determine how the analog input section is
configured.
l
Formatting Data:
An E1437 can collect either real or complex data in 16-bit or 32-bit format. It
can collect data into various blocksizes or in a continuous mode. This data can
be transferred either on the VXI backplane of over the Local Bus. You can
append status information to each block of data indicating ADC overloads or
ADC errors during the block.
l
Configuring Digital Processing:
The decimation filter provides bandpass filtering and decimation capabilities.
You may also select limited frequency spans away from baseband.
l
Controlling Measurements:
These functions initiate or terminate the measurement loop.
l
Timing:
The clock signals for the ADC sample clock and DSP decimation and zoom can
be set from a variety of sources. One E1437 can be enabled to drive the sample
clock line on the VXI backplane or front panel to enable synchronization of
multiple E1437s.
l
Triggering:
These functions set all parameters associated with triggering the beginning of
data collection.
l
Controlling Multiple Modules:
These functions support synchronous operation among multiple E1437s by
using a shared ADC clock and SYNC signal to drive all the modules in a system.
l
Reading Data:
These functions read data from either the VME or the Local Bus data port. This
data can optionally be scaled and converted to floating point.
l
Programming Interrupts:
The E1437 can be programmed to interrupt via the VXI backplane whenever
certain status conditions are present.
l
Debugging your Program:
Error messages allow you to identify program problems.
l
Diagnostics:
Hardware diagnostic routines verify correct hardware operation of the E1437.
Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com
E1437A User's Guide
Functions Listed by Functional Group
4-3
Advertisement
Table of Contents
