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identity=mailfrom; envelope-from="clueelf@tonymendoza.us"; helo=smtp10.hushmail.com; client-ip=65.39.178.143 Received: from smtp10.hushmail.com (smtp10.hushmail.com [65.39.178.143]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by tb-mx0.topicbox.com (Postfix) with ESMTPS for <9fans@9fans.net>; Fri, 28 Jan 2022 15:54:22 -0500 (EST) (envelope-from clueelf@tonymendoza.us) Received: from smtp10.hushmail.com (localhost [127.0.0.1]) by smtp10.hushmail.com (Postfix) with SMTP id 9BBDD603A01 for <9fans@9fans.net>; Fri, 28 Jan 2022 20:54:21 +0000 (UTC) X-hush-tls-connected: 1 Received: from smtp.hushmail.com (w8.hushmail.com [65.39.178.68]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by smtp10.hushmail.com (Postfix) with ESMTPS for <9fans@9fans.net>; Fri, 28 Jan 2022 20:54:21 +0000 (UTC) Received: by smtp.hushmail.com (Postfix, from userid 48) id 6820B80446F; Fri, 28 Jan 2022 20:54:21 +0000 (UTC) MIME-Version: 1.0 Date: Fri, 28 Jan 2022 14:54:21 -0600 To: "9fans" <9fans@9fans.net> Subject: Re: [9fans] building blocks speaking 9p From: "Tony Mendoza" In-Reply-To: References: <0BE79FA8-7FB4-4755-9A92-122A48E9F5D0@iitbombay.org> Content-Type: multipart/alternative; boundary="=_6596c649d8fff02bbc35849858e25706" Message-Id: <20220128205421.6820B80446F@smtp.hushmail.com> Topicbox-Policy-Reasoning: allow: sender is a member Topicbox-Message-UUID: 7b83be84-807c-11ec-a1dd-c941cf2d961d Archived-At: =?UTF-8?B?PGh0dHBzOi8vOWZhbnMudG9waWNib3guY29tL2dyb3Vwcy85?= =?UTF-8?B?ZmFucy9UYTRlNTg0YTM3M2IwNTU1My1NMTI1YzkzMDljY2RiZTBkN2ZhNGY3?= =?UTF-8?B?YmQ2Pg==?= 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:M125c9309ccdbe0d7fa4f7bd6:1:9FfDcO3CQCTYcZzO70fa2irejQa2fIJUwcHkbNrBeSM --=_6596c649d8fff02bbc35849858e25706 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=UTF-8 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.html Supports ethernet, spi, usb otg, etc. Thought about porting the libstyx library from Inferno over to=20 the STM32 platform.=20 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/=20 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=20 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. Lucio. ------------------------------------------ 9fans: 9fans Permalink: https://9fans.topicbox.com/groups/9fans/Ta4e584a373b05553-M125c9= 309ccdbe0d7fa4f7bd6 Delivery options: https://9fans.topicbox.com/groups/9fans/subscription --=_6596c649d8fff02bbc35849858e25706 Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=UTF-8
A few years back I started trying to build something similar = off of the STM32F4 line of ARM MCUs.


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


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

If interested...


Tony

On 1/28/202= 2 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.
> U= SB can also provide power. USB+ATtiny85 devel boards
> cost ~$3 eve= n at Amazon. And FPGA boards can be
> pretty inexpensive too. If yo= u 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.

Lucio.

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9fans: 9fans
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