4.14 Command Line Interface Tab
TLV320AIC3007EVM Software
www.ti.com
A simple scripting language controls the TAS1020 on the USB-MODEVM from the LabView™-based PC
software. The main program controls, described previously, do nothing more than write a script which is
then handed off to an interpreter that sends the appropriate data to the correct USB endpoint. Because
this system is script based, provision is made in this tab for the user to view the scripting commands
created as the controls are manipulated, as well as load and execute other scripts that have been written
and saved (see
Figure 29
). This design allows the software to be used as a quick test tool or to help
provide troubleshooting information in the rare event that the user encounters problem with this EVM.
Figure 29. Command Line Interface Tab
A script is loaded into the command buffer, either by operating the controls on the other tabs or by loading
a script file. When executed, the return packets of data which result from each command are displayed in
the
Read Data
array control. When executing several commands, the Read Data control shows only the
results of the last command. To see the results after every executed command, use the logging function
described in the following text.
The File menu (
Figure 30
) provides some options for working with scripts. The first option,
Open
Command File...
, loads a command file script into the command buffer. This script then can be executed
by pressing the
Execute Command Buffer
button.
The second option is
Log Script and Results...
, which opens a file save dialog box. Choose a location for a
log file to be written using this file save dialog. When the Execute Command Buffer button is pressed, the
script runs, and the script along with resulting data read back during the script, is saved to the file
specified. The log file is a standard text file that can be opened with any text editor and looks much like
the source script file, but with the additional information of the result of each script command executed.
The third menu item is a submenu of
Recently Opened Files
. This is simply a list of script files that have
previously been opened, allowing fast access to commonly used script files. The final menu item is
Exit
,
which terminates the TLV320AIC3007EVM software.
30
TLV320AIC3007EVM-K
SLAU286 – June 2009
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