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Altera_Forum
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9 years ago

Type problem? Compiler doesn't help me!

Hi everyone, My software works for the compilation. But now I had a table 7seg to display my work. But it doesn't compile without error! I'm lost. My two questions are: questions 1): W...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
9 years ago

signal iCntBCD: natural (3 downto 0);

Is illegal. naturals and other integer types do not have accessible bits. Also, 3 downto 0 is illegal for an integer type.

did you mean

signal iCntBCD : natural range 0 to 3;

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IS IT RIGHT to declar the cast like this? OR WHAT IS WRONG?

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You cannot do this. I still cannot quite see what you're trying to do.