有什么办法可以设置来自输入的信号的默认值? 像这样:
entity NORMAL_CONTROL is
Port (INPUT : in STD_LOGIC_VECTOR (8 downto 0));
end NORMAL_CONTROL;
architecture Behavioral of NORMAL_CONTROL is
signal S : STD_LOGIC_VECTOR (8 downto 0) := INPUT;
begin
end Behavioral;
这段代码没有错误,但它显然没有为 S
设置默认值!