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一般dly'event and dly='1'是不能寫在case裡面嗎?
7 e: r2 A. l F: m因編譯會出現以下訊息# Z% v% B0 ]& d/ O" F8 [' \
Error (10822): HDL error at CUB.vhd(70): couldn't implement registers for assignments on this clock edge
% @8 u( w2 q' }1 \4 P$ T6 a- wError: Can't elaborate top-level user hierarchy. Q- M* f5 T! a% w* n
Error: Quartus II Analysis & Synthesis was unsuccessful. 2 errors, 15 warnings
9 E" Q' ?- o5 v, x& }2 T2 b Info: Allocated 144 megabytes of memory during processing
7 Q5 ^0 |1 n$ i" n4 v Error: Processing ended: Fri Oct 18 21:24:23 2013
1 `( \/ d3 j: B& Y. u8 y Error: Elapsed time: 00:00:02
u9 h% L) S8 ?( B( r( J6 uError: Quartus II Full Compilation was unsuccessful. 2 errors, 15 warnings
b& z0 Q5 z' ]$ Y4 N) k @, p+ W ]4 [! o+ H" T( V
程序如果寫的不好,可以幫我改寫,因是自學,所以比較少機會可以看到其它人的寫法! c5 k, B0 A, Z5 J9 L- `9 J
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Library ieee;, k4 }! ]) K7 |6 \; j: z
Use ieee.std_logic_1164.all;
0 |' Q, }" M- m0 y) U; QUse ieee.std_logic_unsigned.all;
6 _) V' I& Z. S1 {# `1 KUse ieee.std_logic_arith.all;
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; B" u6 ^% r2 d: x6 cEntity CUB is; l% h4 m8 r) y/ O
Port(
2 q, X- E1 y- A0 n3 l. Z sv_ctrl,coll_manu,coll_auto,count_v2,T1I,T2I,dly:in std_logic;, s) P5 m' U: Z% O9 l2 E: l
count_clr,coll_up,coll,cold_pin,T1O,T2O:out std_logic
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, `* ^" h( ]- Kend CUB;
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# M- g+ H+ z( O: x/ uArchitecture cub_arc of CUB is# z6 b1 m+ Q+ o1 } i5 B6 K
signal d : std_logic_vector(2 downto 0);. I6 P! d. _) ^
Begin
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proce1rocess(coll_manu,coll_auto,count_v2). S; Y; T' e* H9 t6 z1 l
Begin: O# o( \$ B. a3 d; t
if coll_auto='0' then
6 }% |5 _* Q0 L: Z+ c' e7 ` if coll_manu='0' then, l9 t& D: \7 M2 G. ~9 [& V& {7 ?. G
if count_v2='1' then
# |; }6 A" t, W8 u$ z1 m6 K count_clr<='1';
% {7 ]' Q. g c, G else9 _4 t' g. V, c7 F
count_clr<='0';
/ b: s% G" D2 p end if;
) v! y( k- C: y coll_up<='0';# S, S4 {" N5 A: @( \- y: i
coll<='0';
3 l4 c/ ]0 @) u$ j& A6 m& L cold_pin<='0';
5 a) o! D* ^- ^- J' B% D V2 D3 W' O end if;7 Z Y- ?. O1 @2 v: q9 P
end if;3 z$ u# G6 u6 A
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if coll_auto='0' then( A x0 D- `; f9 E7 A
if coll_manu='1' then
9 u/ d" q) A, l" N2 ^* K# c% g" p if count_v2='1' then' f. m9 p8 C" j4 z
count_clr<='1';
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count_clr<='0';7 T2 O6 U9 G- Y! A; W$ W& p# N
end if;: Z2 i( g; o8 q- [4 a- W
coll_up<='1';
& v8 g8 B! ^9 I5 }5 s coll<='1';* f5 U7 B# V% i2 b5 ?& p7 ~0 r- K
cold_pin<='1';
4 o6 v' d- P- U% ?4 d+ E+ `8 k: o end if;1 Y9 A. H- _+ ^- e* \
end if;
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( N7 S) e! r) \ if coll_auto='1' then
; e% j+ i$ D$ N* [' s# M- M( P if coll_manu='0' then9 d. \- V8 {8 @2 h
if (sv_ctrl and count_v2)='1' then6 b* p' x ^+ P6 A
case d is/ `' T, x$ f; n- O+ O
when "000"=>
0 r' E. `1 s7 k) N coll_up<='1';
& {* Y) _+ w: d2 j4 \ T1O<='1';
2 V- k" }3 D! u0 ] d<=d+1;
0 R! S! ]2 C6 l3 n5 u when "001"=>
% m$ r6 q$ e+ ^4 g if T1I='1' then8 U! L/ Y5 R9 d! Y0 u1 o- L
T1O<='0';
- d# W- ]" r3 _0 X# { coll<='1';
6 R4 G5 I. A; W8 F( J# O: z4 M cold_pin<='1';/ A. I6 o: S) L! {! k
T2O<='1';
( U) g1 P, d/ Q9 T+ S d<=d+1;
8 J9 p4 I# I m5 V! I: ^; S9 k8 c end if;
0 x7 }/ c% P& O% m$ {# j4 z1 H when "010"=>& o6 P* M4 h" I$ k' \
if T2I='1' then
J0 i3 @+ T0 R# f T2O<='0';
2 O2 p+ X, O8 ` coll_up<='0';
6 f0 ?# ^* \" I8 ` coll<='0';
- l. V& a/ Z7 p3 L2 S: R cold_pin<='0';
- n, ?; Q$ ^( ] d<=d+1;; F- ^( Y% |; x: V" @. Z# \! J, C" p
end if;
$ \4 x0 u$ }. v when "011"=>6 @" r! N" [% _2 g1 l% f
if (dly'event and dly='1') then0 W& G/ a% v: t$ M3 J
d<=d+1;
3 m z- M% a, F& \* J end if;
, j1 V: H; e- u/ V3 v5 y5 w when "110"=>
5 C. S, F2 V+ ]* D$ q/ h count_clr<='1';& p/ Q1 S8 J& k* I8 } u
d<=d+1;
, B( _( {, b# q5 I5 `9 L when "111"=>+ X; V- l$ g4 f }! ?& B7 \
if count_v2='0' then
, m) `+ _( g9 d' X count_clr<='0';+ t3 p$ I! G+ \0 w
d<="000";$ V" z- Y' u& B, I) ?8 ?& f
end if;
" x$ H) ~) a, D when others=>null;
% U, ~1 \7 G0 @& W end case;
, v; T4 Q% }; F! F$ z end if;
' i8 A$ Q9 a; {: n7 N$ d8 s$ Q2 f end if;$ z4 N0 ~4 N8 H8 c
end if;
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- x* ?$ m' A# }( _, T( T) ]/ A, s if coll_auto='1' then
% H& q5 z* B' M6 w; ], J if coll_manu='1' then* g- @" R5 C& P1 r* d& t. L
coll_up<='0';! R, K& m$ ~ r' D( d
coll<='0';
+ v7 v: f( A" \. \% K cold_pin<='0';4 Y7 b7 ~% D0 ~: L- M
end if;" ^. O. M% e8 [
end if;2 N9 q, r/ \- d: v$ E" _
end process proce1;0 u: }7 z0 r/ A
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end cub_arc; |
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