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Altera_Forum
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20 years ago

printf on Nios2 not working properly

Hi, I am working on a custom board with Nios2. I am facing a weird problem with printf. When I do any printf I am getting an inversed output. i.e. If I do printf("Hello World"); I get ...
Altera_Forum's avatar
Altera_Forum
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20 years ago

Hi shakthi,

> I have tested It with Nios II IDE's sample programs, I get the same result.

I did not think it was a u-boot problem.

> It puts 'a' at 0x0. When I put 'b' at 0x1, It moves 'a' from 0x0 to 0x1 and puts 'b'

> at 0x0.

Your hardware is broken -- you need to fix it and stop wasting time looking for

problems in software that has been stable for years. Your byte enable signals

are probably reversed, maybe shorted -- and check your SDRAM configuration

in SOPCBuilder as well.

Regards,

--Scott