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Altera_Forum
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15 years ago

4-QAM: Error (10028): Can't resolve multiple constant drivers

I am building a 4-QAM using VHDL, but encountered this error which I've spent hours figuring out: Error (10028): Can't resolve multiple constant drivers for net "in_buffer[1]" at qam4.vhd(53) ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

Sounds like you're driving a signal more than once.

The code you posted dosnt seem to be there