Configuring The Evaluation Board - Analog Devices EVAL-ADV7625-SMZ User Manual

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CONFIGURING THE EVALUATION BOARD

The evaluation board can be connected as shown in Figure 2.
You can use either the software driver or the scripts to configure
the board such that RxA/RxB/RxC/RxD/RxE are connected to
TxA/TxB.
Whether the software driver starts automatically depends on if a
jumper is installed across Pin 1 and Pin 2 of J15, as follows:
•
Without a jumper installed across Pin 1 and Pin 2 of J15,
the application automatically starts the software driver
after power-up, allowing an HDMI sink to receive content
from an HDMI/HDCP source soon after it is connected.
•
With a jumper installed across Pin 1 and Pin 2 of J15, the
application pauses at the command prompt after power-up
and does not start the software driver, allowing you to
configure the board. Configuring the board is typically
accomplished with the AVES3 application but can also be
accomplished using I 2 C write commands.
The RS-232 command line interface operates at 115,200 baud,
eight data bits, no parity, one stop bit, and no flow control.
Typing help via RS-232 lists the commands that can be used to
control the board and indicates the version of the firmware and
the build date.
There are two main ways to configure the board:
•
Software driver via RS-232
•
Advantiv video evaluation software (AVES3 or newer)
Using the Software Driver via RS-232
In this mode, the RS-232 interface is used primarily to control
the software driver. The software driver outputs messages via
RS-232 as it establishes an encrypted HDMI link and sources,
sinks, or formats changes. Registers can still be read/written
from the command line, but anything that is written to a
EVAL-ADV7625-SMZ User Guide
register can be overwritten by the software driver. To access a
full list of commands, type help. The most frequently used
commands are described in Table 2.
Table 2. Most Frequently Used Commands
Command
hdmia a
hdmib a
hdmic a
hdmid a
hdmie a
hdmia b
hdmib b
hdmic b
hdmid b
hdmie b
Using AVES3
AVES3 is a Windows®-based application that runs on a PC and
allows you to use scripts to configure registers on the ADV7625.
This application also displays the individual bit fields for each
register and allows you to read/write individual bit fields. The
software supports RS-232, USB, and I
Inc., Aardvark™ I
Unlike in the previous version of AVES (AVES2), in AVES3 each
evaluation board has its own AVES3 folder, which contains .xml
files and scripts specific to that evaluation board.
If you purchased an
there is documentation in the evaluation kit that explains where
to download the AVES3 software and the AVES3 folder.
If you received an
an Analog Devices sales representative, ask your sales contact
about the AVES3 software and the AVES3 folder.
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Description
(RXA to TXA)
(RXB to TXA)
(RXC to TXA)
(RXD to TXA)
(RXE to TXA)
(RXA to TXB)
(RXB to TXB)
(RXC to TXB)
(RXD to TXB)
(RXE to TXB)
2 C (using the Total Phase,
2 C/SPI host adapter).
EVAL-ADV7625-SMZ evaluation board,
EVAL-ADV7625-SMZ evaluation board from