Forum Discussion

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

VHDL error - natural type does not match string literal

Hi, I am trying to make a simple program which will turn on the green LED when the Key(0) is pressed and when we leave the key, it will be switched off. I am getting this error in the co...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
14 years ago

Never use these libs BOTH:

use ieee.std_logic_arith.all;

use ieee.numeric_std.all;

Better use only numeric_std instead.