Hi Josh,
This has been escalated, and we have had some success today. Basically
we have properly moved the SMA workers into the container for now, and
that seems to work fine. The rest of the fix is to automatically
configure the SMA workers properly depending on the application
topology. That should be tomorrow.
Jim
On 3/20/12 2:49 AM, Sutton, Joshua (Contractor) wrote:
*UNCLASSIFIED*
Hi Jim,
Just revisiting this. Has there been any progress on getting the hdl
version of the bias worker working?
I'm looking for a simple "out-of-the-box" xml example to test the
comms between the fpga and the cpu.
Cheers,
Josh
------------------------------------------------------------------------
*From:* James Kulp [mailto:[email protected]]
*Subject:* Re: [opencpi_dev] FPGA<->RCC example [SEC=UNCLASSIFIED]
Hi Josh,
The basic idea is to simply "connect the workers".
There are two ways to do this:
1. Via the control API (create workers, get their ports, and connect
them).
An example is the canny example, although it has a bunch of OpenCV
stuff that is not relevant.
(See the control API document).
2. Via the (recently finally added) XML technique of creating an XML
description of the application and its connections.
An example is bias_xml (biasFile.cxx). Where you could assign the
bias worker (selection set to "model == hdl").
(Unfortunately this technique is only shown in the various "*_xml"
examples, and not documented yet.
Probably a this point the xml technique is simplest.
Both the XML and Control API are agnostic to the type of worker.
The testRpl program is used to do this too, although it is a somewhat
contorted example.
There is some glitch that currently prevents the "bias_xml" from
working with the "bias" worker assigned to an FPGA.
We'll be looking at that shortly.
Cheers,
Jim
On 1/12/12 9:08 PM, Sutton, Joshua (Contractor) wrote:
*UNCLASSIFIED*
Hi,
Is there an example of how to interface rcc worker(s) with FPGA
worker(s) via the PCI interface?
Looking to do the typical signal flow chain - ie:
ADC-> FPGA_WORKER -> PCI_BUS -> RCC_WORKER -> FILE I/O -> RCC_WORKER
-> PCI_BUS -> FPGA_WORKER -> DAC
Cheers,
Josh
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