RetroBSD

2.11BSD operating system for microcontrollers
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 Post subject: Re: STM32F4DISCOVERY
PostPosted: Thu Dec 06, 2012 5:06 am 

Joined: Wed Dec 05, 2012 3:51 am
Posts: 10
I don't have any simulator at the moment, but I can run the code on the real hardware.

btw, I had to build the MIPS toolchains for my Mac since the one provided on Google Code throws a Segmentation Fault. I wrote a Makefile derived from Yagarto build script. It is not yet tested to work since I don't have chipKit MAX32, but it does not seem to build the file system image. I want to see a successful build on my system before starting to port it to F4-DiscoverFree. I think I will search in the forum to solve this issue.

Is there any place I can contribute this Makefile to? Or else I can just put it in the github.


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 Post subject: Re: STM32F4DISCOVERY
PostPosted: Thu Dec 06, 2012 6:16 am 
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Joined: Wed Oct 10, 2012 11:01 pm
Posts: 1081
Location: Sunnyvale, CA
Hmm... I use this Mac toolchain every day on my home workstation. The build instructions are available on Wiki page: wiki/doku.php/doc/toolchain-mips
You can also download a chipKIT binary package for Mac: https://github.com/downloads/jasonkajit ... 120720.zip

Feel free to add a link to your Makefile to the above Wiki page, or create another page for it.


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 Post subject: GetACoder.com
PostPosted: Wed Apr 23, 2014 6:20 pm 
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Joined: Wed Oct 10, 2012 11:01 pm
Posts: 1081
Location: Sunnyvale, CA
See what I've found on GetACoder.com: http://www.getacoder.com/projects/retrobsd_port_to_discovery_board_163817.html
Quote:
RetroBSD Port To Discovery Board

Job Summary:
* Job Type: Project
* Budget: $ 1000-5000
* Required Skills: C++ / C, Programming
* Status: Bidding Phase (89 days left)

Buyer Summary:
* Username: simplemachines
* Location: Catania, Italy


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 Post subject: Re: STM32F4DISCOVERY
PostPosted: Wed Apr 23, 2014 6:54 pm 
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Joined: Thu Nov 08, 2012 7:04 am
Posts: 2401
Location: Rapa Nui
They messed for a long time with eLua on Mizar32 platform. Few months back they cancelled the eLua support on that platform, maybe they want to try with retrobsd. The budget is low, however..
http://simplemachines.it/index.php/projects/mizar32
http://simplemachines.it/index.php?opti ... &Itemid=24

They target the new STM32F429 boards probably, with sdram support, SDIO sdcard (10MB/sec) and FPU/DSP @180MHz, tft display - an interesting device..

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 Post subject: Re: STM32F4DISCOVERY
PostPosted: Wed Apr 23, 2014 7:15 pm 
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I would say, eLua was not so bad idea. Quite convenient platform for simple home automation, for example.

No SD card on this board. Fortunately, a lot of external SDRAM available, good for swap.


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 Post subject: Re: STM32F4DISCOVERY
PostPosted: Wed Apr 23, 2014 7:20 pm 
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An SDIO Sdcard is a matter of 10wires. I did it with F407 board..

They will produce their own board, I would bet. Similar/same layout as the Mizar32, but with 427/429 (sdio socket, 32MB sdram, etc).

The atmel there was a crap.

PS: not having an sdram support kills the pic32MZ. I am repeating that again, but MCHP does not listen to me.. :D :D

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 Post subject: Re: STM32F4DISCOVERY
PostPosted: Sun May 04, 2014 9:37 am 
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FYI - stm32f429discovery with uClinux and u-boot (an linux builder):

https://github.com/jserv/stm32f429-linux-builder

https://stm32f429.hackpad.com/uClinux-dUFyVe2r6hF

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 Post subject: Re: STM32F4DISCOVERY
PostPosted: Sun May 04, 2014 10:09 am 
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Joined: Thu Oct 11, 2012 8:45 am
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Location: Room 217, Floor 8, Arm 8, Wheel S7, Mars Base Alpha 3
I have an STM32F4DISCOVERY these days. Not done anything with it at all yet - haven't got round to sorting out what software I need to get it going.

Any tips for a Linux user to get me started? (eventually I'll be getting it working in UECIDE)

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 Post subject: Re: STM32F4DISCOVERY
PostPosted: Sun May 04, 2014 10:18 am 
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Joined: Thu Nov 08, 2012 7:04 am
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The best stuff I know is chibios - best support for stm32f4xxdiscovery. Download the Chibistudio for example - there is everything you need - already set up for you - plug and play - eclipse/compiler/debugger/ready_examples etc..
PS: I would recommend to add chibios to the uecide - Giovanni provides a fantastic support..
http://forum.chibios.org/phpbb/index.php
http://www.chibios.org/dokuwiki/doku.php


A very nice configurator - STM32CubeMX: http://www.st.com/web/catalog/tools/FM1 ... f2_apr2014

Then you may run eLua, espruino (java scripts)..

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 Post subject: Re: STM32F4DISCOVERY
PostPosted: Tue Jun 03, 2014 4:16 pm 

Joined: Tue Jun 03, 2014 1:42 pm
Posts: 1
Hi RetroBSD fans,

i am working as coordinator of the projects in Simplemachines Italy.
i would like to clearish some things:

Mizar32 have the uSDcard slot :)

We did not stopped to support eLua project,
we are developing currently on a fork of eLua called Alcor6L,
for bare metal interactive programming with various languages
for now: Lua, Lisp, C and Haskell.
What we do in this fork can be used from all eLua community as well,
if important results are reached or some improvement in the hardware
layer done.

Regarding the STM32F429 (Discovery) , yes our new hardware
Mizar832 will be based on this powerful MCU where we would like to
have an OS at the base.

We are currently evaluating NuttX, RetroBSD and Xv6.

Our main developer of Alcor6L is a Fan of RetroBSD
and me too, but i must say that the Hardware base support
of NuttX is immense. So is a really hard decision.

NuttX is already ported on Discovery
but so far there are not port attempt on Discovery of RetroBSD
so we are trying to evaluate the efforts needed,
for this reason there is an entry on Get a Coder.

The hardware we are developing now is part of a bigger project
called SpiralCity for a 100% Free Software and Free Hardware Specification
of a Smart City, but we are trying to look to be flexible enought
for other applications as well as give space to standards
like POSIX and functional languages.

Sergio
simplemachines.it


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