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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

i solved it finally！it is so easy when i got it.

Only set "Exception Vecoter" in CPU seting to SDRAM not EPCS_FLASH_CONTROLLER in SOPC Builder.

If exception vector be pointed to epcs_flash_controller, then interrupt of fprintf() happened, it can't jump to the correct location.

Thanks to normad, dsl and slacker.