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UG-196-02-C
196-02-C - DA7322 Audio Codec with DSP
User guide UG-196-02-C
Revision 0.6
15-September-2014
CFR0011-121-00 Rev 1
16 of 21
© 2014 Dialog Semiconductor GmbH
7 Troubleshooting
This section is an aid to resolving problems occurring in the previous sections.
Software issues 7.1
The USB device should install without difficulty automatically. Make sure that the installation finds
and uses the driver contained in the USB memory stick.
If the program is started before the USB Interface board is plugged in, the program interface button
will default to SAM3U I2C (not present)mode. If a board is subsequently attached and not detected,
try to move the interface control button to ‘offline’ mode then to ‘SAM3U I2C’ for the board to be
detected. If this is not successful make sure the USB is connected, then close and restart the
program.
If communications are lost during use of the device, switching the ‘Interface mode’ to Offline, then
back to SAM3U I2C will reinitialise the USB interface. If this does not work, unplug the USB cable
and then reconnect. The software will detect this and reinitialise.
The software has been optimised for a display screen size of 1024 by 768 pixels or greater, with
Fonts set to Normal (96dpi). Unpredictable display effects can occur when large fonts (120dpi) are
used. To resolve this issue and set the font size to normal in the operating system by right-clicking on
the desktop, select Properties. Select the Settings tab, then Advanced, and finally Normal size from
the drop-down box (This sequence is dependent on which operating system is being used).
Selecting USB playback 7.1.1
The Dialog DA7322 EVB platform allows a number of audio sources to be selected with ease for
testing and evaluation. One example is to stream audio from a PC to the EVB over the USB
interface, this can easily be done in the following way.
Right click on speaker symbol in task bar, circled in red
Select playback devices
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