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Visitor craig08
Visitor
4,912 Views
Registered: ‎05-13-2013

KC705 embedded kit logiSDHC SD Card Host Controller

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Hello,

 

I've known that the Xylon logicBRICKS IP library is fully embedded into XPS and the EDK integrated software solution,

but I don't know how to use FatFs file system to read my SD card.

 

By downloading UG913 projects, I could run video_demo program successfully.

I saw there is a source code example named "logiSDHC_fatfs_example.c" in video_demo project,

but it seems to lack of some low-level software codes to initialize and control SD card.


I've tried to modified and included FatFs modules downloaded from http://elm-chan.org/fsw/ff/00index_e.html,

but I encountered troubles when editting "diskio.c" .

 

Is there any other complete project containing SDHC controller usage or SLIDESHOW demo program on KC705 embedded kit?

 

Or if my flow is correct, how do I start with this SDHC controller?

 

Many thanks in advance.

 

 

Sincerely, Craig

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Observer xylonsupport
Observer
6,212 Views
Registered: ‎05-14-2013

Re: KC705 embedded kit logiSDHC SD Card Host Controller

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Hi craig08,

 

This is all true, they do include logiSDHC IP core, but only the vhdl files (for generating FPGA bitstreams). In the evaluation IP from our site you will get, along with vhdl, logiSDHC driver, FatFs generic file system and examples how to use it.

 

Best regards,

Xylon Support

 

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Observer xylonsupport
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4,877 Views
Registered: ‎05-14-2013

Re: KC705 embedded kit logiSDHC SD Card Host Controller

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Hi craig08,

 

To our knowledge Xilinx does not distribute logiSDHC driver with KC705 embedded kit, but to get it you can go to https://www.logicbricks.com/Products/logiSDHC.aspx. On the right side of the page you will see Get Evaluation IP link. Use that link to obtain your evaluation version of logiSDHC IP core and with it you will get logiSDHC driver with FatFs and examples. This should solve your problems!

 

Best regards,

Xylon Support

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Visitor craig08
Visitor
4,870 Views
Registered: ‎05-13-2013

Re: KC705 embedded kit logiSDHC SD Card Host Controller

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Thanks for your nice reply!

However, in this page http://www.xilinx.com/products/boards-and-kits/DK-K7-EMBD-G.htm , the "Tools & IP" tab says that KC705 embedded kit includes "logiSDHC SD Card Host Controller" !!

Further more I've seen this content

"The logiSDHC supports ARM AMBA AXI4 bus and can be implemented in the latest Xilinx 7 series FPGAs, like the Kintex(TM)-7 FPGA. The logiSDHC is, like the other IP cores from the Xylon logicBRICKS IP library, fully embedded into Xilinx Platform Studio (XPS) and the EDK integrated software solution."

in http://www.xilinx.com/products/intellectual-property/1-1P025G.htm

 

Did I misunderstand something?

 

Many thanks!!!

 

Sincerely, Craig

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Observer xylonsupport
Observer
6,213 Views
Registered: ‎05-14-2013

Re: KC705 embedded kit logiSDHC SD Card Host Controller

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Hi craig08,

 

This is all true, they do include logiSDHC IP core, but only the vhdl files (for generating FPGA bitstreams). In the evaluation IP from our site you will get, along with vhdl, logiSDHC driver, FatFs generic file system and examples how to use it.

 

Best regards,

Xylon Support

 

View solution in original post

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