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Altera_Forum's avatar
Altera_Forum
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15 years ago

multiple driver error during simulation

Hi I am doing a project and am stuck in the synthesis part in Quartus. The code was successfully compiled using icarus verilog software.But while compiling the code in Quartus , I get some error...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

aside from resource issue, I think you need a bit more thought on the issue of counting. you need to count 0 ~7 and then freeze on zero until next switch edge.

One way is this:

if switch = '1' ...

count <= 1;

elsif flag = '1' then

count <= count + 1;

end if;

flag <= '1' when count > 0 else '0';