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這是我從網路上找到的鬧鐘程式
( [" _) z& k) I( f1 s0 w! ]! @2 m但Compiler一直不會過2 d8 F3 w8 ^* V; q6 u1 c
會出現Process clocking is too complex的錯誤
& \4 ^. ]0 r' C. ?+ b請問是為什麼呢?? 謝謝2 l% o2 _6 v* p- ^& I
6 X# w' j' m. K1 |1 O R! }LIBRARY ieee;
4 m! F8 i W' Y3 n ^2 W8 `* tUSE ieee.std_logic_1164.all;0 Z( t* \. \+ U% l: M
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entity scalarmtime is 1 ~4 M: x% v( J; V6 G9 F
port(set_alarm,set_sc,set_min,set_hour : in std_logic; + o+ n: K; S0 c3 L8 V
sc_data : out integer range 0 to 59; 7 ]7 r/ Q. u; H( b* O* \; ^7 _
); 7 k% Z& H# D1 w+ _( k% }
end scalarmtime; ) e/ v, R& S+ ~
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architecture one of scalarmtime is % C2 n# D) C2 ^( Q
begin : T2 Z$ F3 A z+ N. n
process(set_sc)
9 S( K3 B5 c( @ p( N. ?5 P variable set_sc_data :integer range 0 to 59;
% r! n4 N8 g1 C begin * y/ A% f. T( l2 Z
if(set_alarm = '1') then
2 D) B9 }) }( a# x+ p if(set_sc'event and set_sc='1') then ) G. |. S+ Z: L1 {
if(set_sc_data = 59)then
4 G# F/ k/ z& r, c& A+ w. X( r set_sc_data:= 0; " F2 u$ y1 Q; X$ h
else
& T0 t% f- G" @* r0 O set_sc_data := set_sc_data + 1; . U" x+ Y9 v7 n
end if;
' P; P+ Y7 p- J# E$ m8 [ end if;
8 }/ ^2 _# O( l! ^ end if;
0 S& g7 |& F) _* O% v5 f6 K" h sc_data <= set_sc_data; % e) c: p$ |1 J! A
end process;
! L1 [# g9 g" P' O( J0 E) x# V4 Vend one; |
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