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Altera_Forum's avatar
Altera_Forum
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15 years ago

Nois CPU halt at fprintf

hi,everyone: I have to output information by UART in my project, When program loaded from FLASH(EPCS),then CPU halt at fprintf(),so do with getc(),fscanf(),but not fwrite(). but it is ok in de...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

Typically, when it's "running" from flash, it's really copying code from flash into RAM and then executing that code.

How do you know that your code stops at fprintf() when loading from EPCS/flash? Have you run a minimal memtest (with a simple DMA in your system) on the memory you're loading to? What is your offchip memory?

Regards,

slacker