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Altera_Forum's avatar
Altera_Forum
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16 years ago

Cannot write on-chip memory with fread.

I use DE2-70 to develop my project. My uClinux is running in SDRAM, and I want to copy a file to on-chip memory, but there is only 0 in on-chip memory, the fread() function didn't work. can a...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
16 years ago

You cannot handle interrupt in user space. So you might have to do it in kernel space, like using a driver or syscall.

Beside, you should add return value check in your program and test it again before doing anything else.

- Hippo