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Altera_Forum's avatar
Altera_Forum
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10 years ago

Help needed in VHDL Testbench

Hi all, I have written the testbench file in such a manner that I need to perform updowncounting and downcounting based on the value of dir_s. But the problem is, when I execute the code, the di...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
10 years ago

your statement:

elsif (fmcw_ramp_o < fstep_i) then

dir_s <= '0';

is likely the cause, you are comparing 10 bits with 24 bits??

insert unsigned (or siged) around each

after equalising size