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Fri, 28 Jan 2022 13:27:36 -0800 (PST) MIME-Version: 1.0 References: <0BE79FA8-7FB4-4755-9A92-122A48E9F5D0@iitbombay.org> <20220128205906.2830680446F@smtp.hushmail.com> <20220128211653.7EC84804472@smtp.hushmail.com> In-Reply-To: <20220128211653.7EC84804472@smtp.hushmail.com> From: Eli Cohen Date: Fri, 28 Jan 2022 13:27:26 -0800 Message-ID: Subject: Re: [9fans] building blocks speaking 9p To: 9fans <9fans@9fans.net> Content-Type: multipart/alternative; boundary=00000000000088878605d6ab1af4 Topicbox-Policy-Reasoning: allow: sender is a member Topicbox-Message-UUID: 210e467c-8081-11ec-b0f5-92137c6a4b0f Archived-At: =?UTF-8?B?PGh0dHBzOi8vOWZhbnMudG9waWNib3guY29tL2dyb3Vwcy85?= =?UTF-8?B?ZmFucy9UYTRlNTg0YTM3M2IwNTU1My1NN2MxMDViNTU4ZTI5N2IwN2QxYWNl?= =?UTF-8?B?Nzc4Pg==?= List-Help: List-Id: "9fans" <9fans.9fans.net> List-Post: List-Software: Topicbox v0 List-Subscribe: Precedence: list Reply-To: 9fans <9fans@9fans.net> Content-Transfer-Encoding: 7bit List-Unsubscribe: , Topicbox-Delivery-ID: 2:9fans:437d30aa-c441-11e9-8a57-d036212d11b0:522be890-2105-11eb-b15e-8d699134e1fa:M7c105b558e297b07d1ace778:1:BYLibX2FT2W1ago8slunEprBf7xNkkma_TwhoY4kPjw --00000000000088878605d6ab1af4 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable hmmm. but for all of the devdraw fs and image backing, etc? can it access RAM? On Fri, Jan 28, 2022, 1:18 PM Tony Mendoza wrote: > Eli said - "...accelerated hardware devdraw on the fpga if that's even > possible" > > It's possible. > > https://projectf.io/posts/fpga-graphics/ > > T > > On 1/28/2022 at 3:08 PM, "Eli Cohen" wrote: > > I started working on a project with an ESP32 board (with a toolchain for > linux) to make a /net/etherESP32 for wifi with 9P right on the little > board. I got as far as realizing how different 802.11 and 802.3 are... > > the unfinished code is at https://github.com/echoline/etherESP32 > > it would be cool to see an aijuboard with accelerated hardware devdraw on > the fpga if that's even possible, or other hardware like that > > On Fri, Jan 28, 2022, 1:01 PM Tony Mendoza wrote: > >> Sorry wrong libstyx repo >> >> https://github.com/inferno-os/inferno-os/tree/master/tools/libstyx >> >> T >> >> On 1/28/2022 at 2:54 PM, "Tony Mendoza" wrote: >> >> A few years back I started trying to build something similar off of the >> STM32F4 line of ARM MCUs. >> >> https://www.st.com/en/microcontrollers-microprocessors/stm32f4-series.ht= ml >> >> Supports ethernet, spi, usb otg, etc. Thought about porting the libstyx >> library from Inferno over to >> the STM32 platform. >> >> https://github.com/inferno-os/inferno-os/tree/master/tools/styxtest >> >> Thin OS layer was provided by FreeRTOS. STM32F4 specific HW was accessed >> using libopencm3 >> >> https://libopencm3.org/ >> >> If interested... >> >> https://github.com/tmendoza/stm32f4-template >> >> Tony >> >> On 1/28/2022 at 4:18 AM, "Lucio De Re" wrote: >> >> On 1/28/22, Bakul Shah wrote: >> > >> > Think of really simple, low power, low cost devices. >> > USB can also provide power. USB+ATtiny85 devel boards >> > cost ~$3 even at Amazon. And FPGA boards can be >> > pretty inexpensive too. If you can find them. >> > >> I've recommended olimex.com in the past. They specialise in Open >> Architecture Hardware. Their prices are very reasonable and product >> range quite broad. >>=20 >> Lucio. >>=20 >> *9fans * / 9fans / see discussions > + participants > + delivery options > Permalink > > ------------------------------------------ 9fans: 9fans Permalink: https://9fans.topicbox.com/groups/9fans/Ta4e584a373b05553-M7c105= b558e297b07d1ace778 Delivery options: https://9fans.topicbox.com/groups/9fans/subscription --00000000000088878605d6ab1af4 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
hmmm. but for all of the devdraw fs and image= backing, etc? can it access RAM?

On Fri, Jan 28, 2022, 1:18 PM Tony Mendo= za <clueelf@tonymendoza.us= > wrote:
Eli said - "...accel= erated hardware devdraw on the fpga if that's even possible"
=

It's possible.


=
T

On 1/28/2022 at 3:08 PM, "Eli Cohen" <= = echoline@gmail.com> wrote:
I sta= rted working on a project with an ESP32 board (with a toolchain for linux) = to make a /net/etherESP32 for wifi with 9P right on the little board. I got= as far as realizing how different 802.11 and 802.3 are...

the unfinished code is at https://github.com/echoline/etherESP32
it would be cool to see an aijuboard with accele= rated hardware devdraw on the fpga if that's even possible, or other ha= rdware like that

On Fri, Jan 28, 2022, 1:01 PM Tony Mendoza <clueelf@tonymendoza.us> wrote:
Sorry wrong libstyx repo


T

On 1/28/2022 at 2:54 PM, "Tony Mendoza" <clueelf@tonymendoza.us> wrote:
A few years bac= k I started trying to build something similar off of the STM32F4 line of AR= M MCUs.


Supports ethernet, spi, = usb otg, etc.  Thought about porting the libstyx library from Inferno = over to
the STM32 platform.

<= div>https://github.com= /inferno-os/inferno-os/tree/master/tools/styxtest

Thin OS layer was provided by FreeRTOS.  STM32F4 specific = HW was accessed using libopencm3


If interested...


Tony

On 1/28/2022 at 4:18 AM, "Lucio De Re" <lucio.dere@gmail.com> wrote:
On 1/28/22, Bakul Shah <bakul@iitbombay.org> wrote:
>
> = Think of really simple, low power, low cost devices.
> USB can also= provide power. USB+ATtiny85 devel boards
> cost ~$3 even at Amazon= . And FPGA boards can be
> pretty inexpensive too. If you can find = them.
>
I've recommended olimex.com in the past. Th= ey specialise in Open
Architecture Hardware. Their prices are very rea= sonable and product
range quite broad.

Lucio.

--= ----------------------------------------
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