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Re: AW: Fwd: New features required on Cortex-M platform


Hello Richard,

On Friday 13 of June 2014 17:33:39 Richard Rauch wrote:
> > Von: ecos-discuss-owner@ecos.sourceware.org [mailto:ecos-discuss-
> > owner@ecos.sourceware.org] Im Auftrag von Jerzy Dyrda
> > Gesendet: Freitag, 13. Juni 2014 17:15
> > An: eCos Discussion
> > Betreff: [ECOS] Fwd: New features required on Cortex-M platform
> > 
> > During developing some application on Cortex-M controller I realized that
> is
> > missing some vital components in current version of eCos system (from my
> > point of view)  i.e :
> > 
> > 1) HTTP server - AHTTPD doesn't support lwIP stack what causes that it's
> > useless.
> > I'm planing to modify it thus any kind of advises are welcome.
> > 
> > 2) Small embedded GUI working directly on display. From my side I propose
> > uGFX -> http://ugfx.org/ License seems to be compatible and due its nature
> > porting on new platform shouldn't be complicated even for me :) I'm also
> > planning to add support and again any kind of comments advices or warnings
> > are expecting.
> > 
> > 3) SD bus support. I know that I can use SD card in SPI mode but on some
> board
> > like STM32F4DISCOVERY SD card i only available on SD bus.
> > It's high time to add this miss part of system.

> 
> A few comments and questions from my side:
> 
> - what is the advantage of uGFX? Are there applications available, which are
> based on uGFX? What do you think about support for QT (
> http://qt-project.org/ )?
Sorry but I feel confused. How can I use QT application on Cortex-M equipped 
with eCos? I use QT for Host side developing but I didn't expect that
possible to run it on target.

> - SD card interface. Unfortunately this is very processor specific. Each
> Microcontroller has its own IP for accessing SD card. 
But only low level SD bus driver. Upper layer for MMC/SD card is common.

> We have made it e.g.
> for Xilinx Zynq
> (http://tiprom.itrgmbh.com/projects/ecos-on-zynq/wiki/ECosOnZynq-Wiki ), but
> I assume it is not re-usable for other platforms!
Did you add any layer to access MMC/SD card via SD bus similar to mmc-spi.c
from CYGPKG_DEVS_DISK_MMC package?

Best regards,
jerzy

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