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最近刚接触lattice,用的设计工具是diamond2.1,想从quarters ii移植一个工程过来,但是在diamond下编译出错:Identifier basic is not declared;网上lattice的资料挺少的,想问下哪位大侠知道如何解决,源代码如下:+ ?$ o- U8 M9 d1 O6 P' [" v
包的建立:(并放到库中) library IEEE; use IEEE.STD_LOGIC_1164.all; package comps is procedure and2(signal a:in std_logic; signal b: in std_logic; signal c: out std_logic); procedure or2( signal a:in std_logic; signal b: in std_logic; signal c  ut std_logic); end comps; package body comps is procedure and2(signal a:in std_logic;
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库的调用; library IEEE; use IEEE.STD_LOGIC_1164.ALL; use IEEE.STD_LOGIC_ARITH.ALL; use IEEE.STD_LOGIC_UNSIGNED.ALL; library basic; use basic.comps.all; entity usage is Port ( a : in std_logic; b : in std_logic; c : in std_logic; s : out std_logic); end usage; architecture Behavioral of usage is signal tmp:std_logic; begin u1:and2(a,b,tmp); u2  r2(tmp,c,s); end Behavioral;
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