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Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
8 years ago

NIOS II/f altera_avalon_i2c, possible BUG in HAL

Hi, I need a I2C master for my NIOS II/f. I thought using the I2C master which is shipped by Altera in Quartus Prime 17.0 should serve my needs. However I'm a bit worried about the software q...
Mosari's avatar
Mosari
Icon for New Contributor rankNew Contributor
3 years ago

Hi jmcguire3

Thank you for reply and post scope pic.

After that. I always use modify altera_avalon_i2c.h.

User need define ALT_AVALON_I2C_DIFF_LCNT_HCNT by speed for now.

I try 50kHz. So I set DIFF_LCNT_HCNT "120"

and using ALT_AVALON_I2C_SS_MAX_HZ = "50000".

Work is OK.

User need set thats manually.

reported.