[Oberon] SRAM vs. BRAM
Jörg Straube
joerg.straube at iaeth.ch
Tue May 12 07:10:39 CEST 2015
The Pipistrello board uses HDMI.
To generate HDMI output, the Oberon code is not changed at all. The HDMI driver is written in Verlog.
Jörg
> Am 12.05.2015 um 04:23 schrieb eas lab <lab.eas at gmail.com>:
>
> Markus Greim wrote:-
>
>> ..what I really
>> like about the Oberon system is that it's so simple and easy to
>> understand how it works, and this would add a bunch of fairly complex
>> code.
> ...
>> The price for the Pipistrello and the Oberon wing is about 200$.
>> Thats, compared with the Raspberry PI quite expensive, but we aren't
>> talk about 5 Mio. pcs. here.
>
> rPi is a replacement PC & I should expect, more so the rPi2 with more
> than 2 USB-ports. But it's not for education, because it's closed.
> Even the boot-SD is *LABELED* <MicrosoftDOS>.
> And being linux it's not real-time.
> Also it uses a lot of current? - 250mA. What do mobile devices use?
> My one rPi in a shoebox with a 6V acco + a fat-diode has been delivering
> TestToSpeech, for 18 months, where the only control is the powerswitch,
> which <marks> the sound-files according to the stage-in-the-sound that
> power is cut: a kind of time-modulation.
>
> What's remarkable is that after thousands of cut-power-in-flight cycles
> the SD shows no problem. These semiconductor disks are remarkable.
> But the software for USB [which I load the sound files on to] is
> probably more that ETHO-total.
>
>> After some fiddling with the Linux dd command for writing a micro SD
>> card it runs really out of the box!
>
> I can't remember if <PO2013> gave the hopefully simple driver for SD.
> If so, that could reduce dependance on USB?
> PS2 for mouse, kybrd is simpler? For an educational project.
> Is HDMI complex?
>
> == Chris Glur.
>
> --
> Oberon at lists.inf.ethz.ch mailing list for ETH Oberon and related systems
> https://lists.inf.ethz.ch/mailman/listinfo/oberon
-------------- next part --------------
A non-text attachment was scrubbed...
Name: smime.p7s
Type: application/pkcs7-signature
Size: 2376 bytes
Desc: not available
Url : https://lists.inf.ethz.ch/pipermail/oberon/attachments/20150512/580262b9/attachment.bin
More information about the Oberon
mailing list