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Forum: ARM programming with GCC/GNU tools build a Datalogger


build a Datalogger
von Super M. (techbuddy)

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Hello all

I am making a RS232 - datalogger for my MasterThesis in the university.
My environment is
BDI2000 debugger
GNU toolchain - WinARM
AT91RM9200-EK

The work is simply to take input signals from the USART port and send it
to the SD card.
Can anyone please answer the following quesitons ?

1. I have u-boot running on my board. Is there a way to achieve my goal
by just using the u-boot. I am using FAT system on the SD card.
2. Is using Linux image a good idea. If yes . where can I find the linux
Image for my arm board ?
3. how can i debug u-boot using the BDI2000 ?
4. I used Windows Hyperterminal to download the basic Atmel examples and
it runs fine.. how can i use minicom to do it ? i configured it for 8N1
and xmodem /dev/ttyS0 but i dont see anyting which i could see throh
hyperterminal in windows
5. With the Atmel MCI sample code, i can recognise my SD card but cannot
save anyting .of course due to unavilaiblity of the FAT drivers. How can
i solve it ?

Regards

Tutu

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Re: build a Datalogger
von Andy K. (andykunz)

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> 5. With the Atmel MCI sample code, i can recognise my SD card but cannot
> save anyting .of course due to unavilaiblity of the FAT drivers. How can
> i solve it ?

http://www.efsl.be/

Andy

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Re: build a Datalogger
von Fordp (Guest)

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Andy Kunz wrote:
>> 5. With the Atmel MCI sample code, i can recognise my SD card but cannot
>> save anyting .of course due to unavilaiblity of the FAT drivers. How can
>> i solve it ?
>
> http://www.efsl.be/
>
> Andy

This website looks down.

Maybe try :- http://sourceforge.net/projects/efsl/

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Re: build a Datalogger
von Super M. (techbuddy)

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Fordp wrote:
> Andy Kunz wrote:
>>> 5. With the Atmel MCI sample code, i can recognise my SD card but cannot
>>> save anyting .of course due to unavilaiblity of the FAT drivers. How can
>>> i solve it ?
>>
>> http://www.efsl.be/
>>
>> Andy
>
> This website looks down.
>
> Maybe try :- http://sourceforge.net/projects/efsl/

the website looks fine, except that the code is for ARM7 and also SPI.
the SD card is on MCI on the Atmel ARM9 board. Looks this wouldnt help
me much !

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Re: build a Datalogger
von Andy K. (andykunz)

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> the website looks fine, except that the code is for ARM7 and also SPI.
> the SD card is on MCI on the Atmel ARM9 board. Looks this wouldnt help
> me much !

It's a heck of a lot less work to adapt the physical interface than to
write the FAT drivers, no?

Andy

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