Porting to ARM Architecture with FreeRTOS

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Hi Olle,

Thank you for your reply

It is a Cortex M4 STM32F427 (2MB Flash and 256kB of RAM, we use IAR), I had a look to your footprint link, it seems that the footprint is TOTAL: complete libraries (+all codecs): .text=710160, .data=11280, .bss=639136 
(Size minus empty application size: .text=450112, .data=3044, .data=27420)

So I think It should be ok.


So if I understand I must make the Lib (with correct configuration files) with GNU tools or Visual Studio and then include it in IAR ?

best regards,

Seb

----- Mail original -----
De: "Olle Frimanson" <olle.frimanson at keystream.se>
?: "pjsip list" <pjsip at lists.pjsip.org>
Envoy?: Mercredi 26 F?vrier 2014 18:59:05
Objet: Re: [pjsip] Porting to ARM Architecture with FreeRTOS

Hi,

First of all is it ARM7 or STM32 (Cortex M3/M4) it I bit of a difference.

Secondly I think you need to consider PJSIP's memory requirements  have a look on http://www.pjsip.org/testing/0.5.6.5/footprint-arm-rtems.htm and compare that with what you have on you have available on your board.

Thirdly it's also a matter on CPU power, some codec might not run on ARM 7/Cortex 3/4, I know ST have ported Speex to STM32.

You can use any tool GNU /IAR or other but they all are cross compiles from PC and for some Linux.

BR/Olle



-----Original Message-----
From: pjsip [mailto:pjsip-bounces@xxxxxxxxxxxxxxx] On Behalf Of seba.segura at free.fr
Sent: den 25 februari 2014 16:09
To: pjsip at lists.pjsip.org
Subject: Porting to ARM Architecture with FreeRTOS

Hello,

I would like to use PJSIP on a board wich conatain an ARM7 processor (STM32) with FreeRTOS OS.

I have several questions :

1) Is it possible porting pjsip in this kind of architecture ?

2) If I understood correctly, I need GNU tools to make the library ? (do I need a Linux computer to make it ?)

Thanks for you replies


Best regards


Sebastien


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