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library IEEE;4 ^4 p' A$ M* J/ d5 ]2 W* d" D
use IEEE.std_logic_1164.all;
, a1 R& B% ~& ~ k. |" euse IEEE.std_logic_unsigned.all;
& ?* s; m( a& {( quse IEEE.std_logic_arith.all;/ G3 @" m' {8 V: s3 ^ e
entity control is& u" i; _# B' c1 ?
port(Q0,Q1,Q2,Q3,Q4,Q5,Q6,Q7,Q8,Q9,Q10,Q11,Q12,Q13,Q14,Q15,Q16,Q17,Q18,Q19:in std_logic;
1 e" _( `; Z8 N( @ A1,A2,A3,B1,B2,B3,C1,C2,C3,D1,D2,D3 :out std_logic);
+ B8 r4 }, M, |- xend control;
7 K; x5 Y* S- ^" q K* p! i' yarchitecture turn of control is
+ M6 Z3 Z* b/ C- u, c1 csignal ai,bi,ci,ei,fi,gi,hi:integer range 0 to 9;
; M7 W. F; z6 t" Z. Q5 Z% G; [. q& esignal di:integer range 0 to 10000000; # v0 f7 a8 m4 C% w3 t
signal temp_out1 : std_logic_vector(3 downto 0);
# {, {! y2 f9 n: t3 T/ M7 a+ M* Ssignal temp_out2 : std_logic_vector(3 downto 0); P& h) l( S& G! A
signal temp_out3 : std_logic_vector(3 downto 0);
; z4 T: M' F4 `$ z8 pbegin
2 R7 X+ ^ G7 A9 xdi<=Q0+Q1*2+Q2*4+Q3*8+Q4*16+Q5*32+Q6*64+Q7*128+Q8*256+Q9*512+Q10*1024+Q11*2048+Q12*4096+Q13*8192+Q14*216384+Q15*32768+Q16*65536+Q17*131072+Q18*262144+Q19*524288;
* s A; F" @' l, g% a. L- d--把Q0~Q19對(duì)應(yīng)的二進(jìn)制數(shù)轉(zhuǎn)成十進(jìn)制數(shù),并賦給di0 M) D. h1 c0 G, J# i; C# ^
process(di) ?& w4 Y7 y ^: \ x. W
variable a,b,c,e,f,g,h:integer range 0 to 9;+ |' S L6 H2 L/ m
begin
8 Q6 ^7 X9 o; j b. Xa:=di rem 10;# `# O/ s; w6 h/ K) G
b:=(di-a)/10 rem 10;5 G6 s+ i I2 d' o1 M% E
c:=(di-a-b*10)/100 rem 10;5 l' V9 V: y. J1 k5 p
e:=(di-a-b*10-c*100)/1000 rem 10;( G# C, \% i6 @/ V* z( R. n
f:=(di-a-b*10-c*100)/1000 rem 10;
4 p1 f! x, a! M3 i+ t6 R& D" Yg:=(di-a-b*10-c*100-e*1000)/10000 rem 10;
+ Q% M! y% g8 A; p( C1 z* wh:=(di-a-b*10-c*100-e*1000-f*10000)/100000 rem 10;
8 E( Z5 k8 g( Y8 O) @' T" Fai<=a;
8 x* L' L0 H/ p8 W4 Gbi<=b;9 [3 y8 H$ C8 {/ l' Y. F8 l( O
ci<=c;
: R' ?" t; \ t" n w" q7 _ei<=e;
3 J8 r& b% ?( X4 Y/ Gfi<=f;. T5 q3 v% _$ E6 I) R4 M. W5 J
gi<=g;
( _. G2 d0 x `$ Q+ T, Mhi<=h;* c* V! O/ j# l6 d
end process;--把di各數(shù)位的數(shù)字分別賦給ai~hi(個(gè)位~百萬(wàn)位)' P: G9 `) | _" ?: ?4 r
process(ai,bi,ci,ei,fi,gi,hi)5 w8 o5 r6 q0 h2 v5 Z2 U1 p8 k, r
variable a1,a2,a3,b1,b2,b3,c1,c2,c3,d1,d2,d3:integer range 0 to 1;2 F4 C' h5 ]( b
Begin
5 p4 U4 x; K3 \, H8 AIf (di>990000) then4 A. n e; G) ?$ f" d
temp_out1 <="0000"; ! Y, r4 u9 ?# [7 n
temp_out2 <="0000";
0 R) o" ^) M5 ?% B temp_out3 <="0000"; * a& ~6 C& P5 s6 H- _0 [% c
elsif (hi>0) then5 @( b9 a" K2 z7 B
temp_out1 <=CONV_STD_LOGIC_VECTOR(hi,4) ; --把hi轉(zhuǎn)成二進(jìn)制,并賦給temp_out1& [* |; |3 b% x& G! H
temp_out2 <=CONV_STD_LOGIC_VECTOR(gi,4); --把gi轉(zhuǎn)成二進(jìn)制,并賦給temp_out1
5 D* x4 V2 g8 I, [, x temp_out3 <="0101"; 3 R% x; [ s5 q: Z) N
elsif (gi>0) then9 k3 z/ E: j2 D+ q
temp_out1 <=CONV_STD_LOGIC_VECTOR(gi,4); 4 O6 l+ Q' \3 G/ f( E
temp_out2 <=CONV_STD_LOGIC_VECTOR(fi,4);
! b4 |; Z: ^4 S, o temp_out3 <="0100";
& e; S* r: A( n9 \) S3 [elsif (fi>0) then
* R3 e8 a! Q2 K temp_out1 <=CONV_STD_LOGIC_VECTOR(fi,4);
* |# S1 Q# t# \9 N7 { temp_out2 <=CONV_STD_LOGIC_VECTOR(ei,4); * l, p2 n. d; k0 \
temp_out3 <="0011"; ! T M* e; Z: C
elsif (ei>0) then
' j+ {5 c# d: N- H( Q; p temp_out1 <=CONV_STD_LOGIC_VECTOR(ei,4); . Q/ t9 r0 l J* S) ?
temp_out2 <=CONV_STD_LOGIC_VECTOR(ci,4);
, } w" Y5 j9 @- K. t e temp_out3 <="0010"; % L, X( R8 X! b
elsif (ci>0) then. h" s; _+ P3 E+ [+ m2 K3 z; Q
temp_out1 <=CONV_STD_LOGIC_VECTOR(ci,4);
# T) n4 j1 ?8 S9 S* j* _( L' k temp_out2 <=CONV_STD_LOGIC_VECTOR(bi,4); 2 j V! e1 F9 }" S* T. {
temp_out3 <="0001"; / c2 C) a% ]" u7 z$ ^7 |8 @
else4 ^. C9 f: p: e+ _
temp_out1 <="0000";
( u& s' \& f5 _0 }- [7 w temp_out2 <="0000"; # Q7 ?2 `3 x# W {0 C
temp_out3 <="0000";
0 v" w- h6 M6 ?, m* u# A! I o7 N6 Oend if ;
l9 D7 s9 |/ A$ K }& l A1 <=temp_out1(0);0 n. q# Z1 l, |0 K ~/ S& ]
B1 <=temp_out1(1);
* E7 l: t8 B% A) G3 z* H5 J# _ C1 <=temp_out1(2);1 U2 s: z' g2 s: x* Z1 L
D1 <=temp_out1(3); --第一片數(shù)碼管的控制端CD4511的輸入: x3 ? M* j2 c/ m" R$ l: H9 [
A2 <=temp_out2(0);- U. ~' E/ \4 d g# u: x( i
B2 <=temp_out2(1);
7 v+ G% G5 X5 [9 u9 |) ^9 i C2 <=temp_out2(2);
) X, h f& M/ { D2 <=temp_out2(3); --第二片數(shù)碼管的控制端CD4511的輸入
, G* n! k {- v% ^ A3 <=temp_out3(0);3 w: L5 u9 f V) `$ I% O& e
B3 <=temp_out3(1);
% H( B& b+ R/ U! A' ^- S C3 <=temp_out3(2);' f) N+ l% z0 I2 p, n, A
D3 <=temp_out3(3); --第三片數(shù)碼管的控制端CD4511的輸入
# \4 x8 d9 ]7 R b/ u7 y4 O+ U end process;; T" g- j( J+ K. ?
end turn;9 x& `, H; w5 u- I- i6 i
#VHDL##FPGA#
9 d9 [( x7 ]* U7 Q Y# e/ r! r: t" N
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