CDA CD 60 Guia do Utilizador descarregar pdf (Página 11)

PCI CD/CDa Configurable DMA Interface User’s Guide Configuring the Board

EDT, Inc. May 2007 7

Configuring the Board

For your EDT board to operate as you require, it must be loaded with the appropriate FPGA

configuration files for both FPGAs. The PCI FPGA is loaded from flash ROM, which is shipped from

the factory already loaded with the appropriate FPGA configuration file; however, you must load the

UI FPGA yourself.

Before loading the UI FPGA, however, you may wish to check the firmware in the PCI FPGA to ensure

that it is correct and up-to-date.

Checking the PCI FPGA Firmware

When upgrading to a new device driver, or switching to a FPGA configuration file with special

functionality, you may also need to reprogram the PCI interface flash PROM using

pciload.

The following procedure applies to standard firmware only. If you are running a custom firmware file

and need to update it, first get a custom firmware configuation file from EDT.

NOTE The presence of a newer version of the firmware with a new driver doesn’t necessarily mean that

the firmware must be updated; if a package contains a mandatory upgrade, it is prominently stated

in the README file.

On UNIX systems,

pciload is an application in the installation directory /opt/EDTpcd.

On Windows systems, double-click the Pcd Utilities icon to bring up a command shell in the installation

directory

\EDT\Pcd.

On Macintosh systems,

pciload is an application in the installation directory

/Applications/EDT/pcd.

To see currently installed and recognized EDT boards and drivers, enter:

pciload

The program outputs the date and revision number of the firmware in the PROM.

To compare the PCI FPGA firmware in the package with the one already loaded on the board, enter:

pciload verify

The program compares the firmware in the PROM against the firmware file in the installation directory.

If they match, there’s no need to upgrade the firmware. If they differ, you’ll see error messages. This

does not necessarily indicate a problem; if your application is operating correctly, you may not need

to upgrade the firmware.

If you wish to update the standard firmware, enter:

pciload update

1. To upgrade or switch to a custom firmware file, enter:

pciload firmware_filename

replacing

firmware_filename with the name of the PCI FPGA configuration file, with or without

the

.bit file extension.

NOTE If the host computer holds more than one board, you can specify the correct board to load with the

optional

unit_number argument (by default, 0 for the first or only board in a host):

pciload -u unit_number filename

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