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Altera_Forum's avatar
Altera_Forum
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16 years ago

How to check if the onchip_mem is full?

I'm running AN429 sample code (VIP core) on my 3C120 evaluation board. I add button pio to the SOPC which already have VIP core inside. Quartus can generate ptf ok. However, when I try to build the c...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
16 years ago

It's telling you the truth. Hello World with no modifications compiles to about 66K code size. Using the standard C library is heavy. Also, running a hosted application is very heavy. Additionally, having the optimization set to 0 for your BSP and applications turns out large code sizes.

Conversely, using the "Hello World Small" application results in a program of only 408 bytes in size.

Read the section entitled "Reducing Code Footprint" beginning on page 6-30 of this document:

http://www.altera.com/literature/hb/nios2/n2sw_nii52004.pdf

Jake