Forum Discussion

Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
20 years ago

How to use Compact Flash in eCos?

Hi. I'm having problems accessing the compact flash card in eCos. I tried a program that mount the filesystem to / and write a file to it. But the program hangs when I try to open a file. I have ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
20 years ago

I have called the compact flash component for cf in SOPC. I have tried to access /dev/cfa/1, /dev/cfa/0, /dev/cfb/0 and /dev/cfb/1. No luck. I just get these errors: 

<FAIL>: mount() returned -1 Unknown error
<FAIL>: chdir() returned -1 No such entity

I have made my eCos library with JFFS2 also, could there be a confilct there? I can&#39;t see how that might be. I also get this error when I try to access the CF-card that came with the Nios Development Kit. Any ideas?

Ole