想COMPILE一個簡單的latch circuit + F% ]5 T3 \) }( l# M+ _$ L1 q( N, u2 A/ u
先execute了每一個file( ?# q" }6 u* W3 q+ D6 W
(如附件中, 3個file P6 T" _1 b: K" o0 |) ^
latch.vhd; h* T5 `% ~" m; T1 @) y
tb_latch.vhd + Z5 A- W8 z" F" ]" q' s" C6 Qcfg_latch.vhd)" }' e+ p0 y1 z
都沒有問題,' @8 g6 T0 t6 k( q8 y
可惜到compile那part就出現問題(如下)* w' d# U) L! N# a
有沒有高手可以幫我解釋? " R& |0 A/ F6 T& D* T' u : o! D/ [3 \( X* n# N# z Cannot find specified design unit (TB_LATCH) to elaborate. 5 r5 c5 E. Y/ |* i% V
Please ensure you have specified the correct design & n9 _5 j- g# X# W$ I unit name and that it has been analyzed into the correct 4 A! G; ~$ J; s; ?; s W
VHDL library.