悬赏主题
求助Spartan 3e资料补充资料现在我手上有一个spartan 3e 初级板，但是只有一个板子。一个电源线，还有一个usb下载线。什么资料都没了。在xilinx官网上下了说明书，看了下，有些懂。但是太慢了。如果是国内买板子的话，应该会带有实验程序的吧？？有人能帮帮忙吗？
最佳答案 ( 回答者: shanki_pm )
怎么没法添加附件？给你粘上吧！/ D+ O8 C* l& u: `# ]* x/ }$ _
T l: C3 U: `1 S5 P ---------------------------------------------------------------------------------- % j: T$ a( a I; Y2 q5 n4 V6 M3 q-- Company: 8 \* p# `. `) E! L. y( U$ @# {4 f-- Engineer: ' n2 F% l; B$ f; s( Q M/ Z -- 4 Z( ?! Y! w) Q9 w. A3 L -- Create Date: 23:51:29 09/18/2007 4 G4 J& e2 i# L8 |$ H9 X-- Design Name: 6 u- C- F1 y7 w' B! A; M-- Module Name: lcd / r# S% c5 I5 c8 Y-- Project Name: $ o6 X: S5 M7 }: Z# `-- Target Devices: ! t' M) W$ a0 S5 {" b-- Tool versions: . F4 u c( h; l/ `% Z& @: p- V6 ]1 ~-- Description: 3 n& q6 Q1 P/ H7 f7 R! i3 r-- ) b1 p7 V% Y4 m. C3 A4 W5 R+ p-- Dependencies: ( u- {8 t3 C0 N$ y. \ --' o4 L9 l4 |/ Q -- Revision: : s; ]/ l p& P0 \* l& A/ M2 U- f -- Revision 0.01 - File Created 1 i& \- p' m: @) v1 w0 ?9 T-- Additional Comments: : a% K9 Q" f2 K. ?7 x }--2 @& _8 [6 b- z) t8 Z ----------------------------------------------------------------------------------- {; R+ V4 F( o F% t- v' O6 X library IEEE;, \4 C+ ]# Q: s3 B, S3 w use IEEE.STD_LOGIC_1164.ALL; 0 ^/ p5 J' Z9 n' i' N5 Zuse IEEE.STD_LOGIC_ARITH.ALL; S# Y3 \% M/ b4 s' q. {! iuse IEEE.STD_LOGIC_UNSIGNED.ALL;9 J# R4 E2 z4 L k entity LCD1602 is : Z1 y4 W6 Z# s1 r* ]; ~ Port ( : Y: \$ C4 p3 V" X" q. a9 W% z W/ O CLK : in std_logic;3 p* x. t3 o$ v! D5 O Reset : in std_logic; . \9 W$ N. z+ B m LCD_RS : out std_logic;, A5 Q: t1 @% _! l LCD_RW : out std_logic;8 Q' R+ M- Y. o7 m( d LCD_EN : out std_logic;" n5 W/ |6 w- ~) n1 y/ H data : out std_logic_vector(3 downto 0));' W4 A2 h! n+ j4 F0 ? end LCD1602;1 g8 j- _9 ^1 h5 u T3 ? architecture Behavioral of LCD1602 is. V2 E7 \+ `' i4 m type iState is ( / p* i- v! X* _6 T* b% ]1 O" m* q Write_instr, --写命令字( x( v) I+ ]6 p1 e6 n, ? Write_DataUP4_1, --写LCD一线高4位4 u0 v( A$ b9 y! } Write_DataDown4_1, --写LCD一线低4位7 x3 z$ n d8 I/ l7 Z Set_DDRamAddUp, --设置DDRam地址高4位 0 D+ F% W) ?# ]2 i) r/ B0 O1 t& S Set_DDRamAddDown, --设置DDRam地址低4位8 D% e+ @" M# }; ]0 ~% { Write_DataUP4_2, --写LCD二线高4位0 K! d2 t) l+ g+ U$ f) F& M* P Write_DataDown4_2 --写LCD二线低4位4 v! b1 ?6 w' T2 R9 \ ); 2 @. V5 h& f U. i ' K4 q1 g4 D3 ?# z9 k' O) k signal State:iState; 5 N/ B% X, V( a2 Z! R' k! ~ type Ram is array(0 to 39) of std_logic_vector(7 downto 0);; ^7 H, o* c# c2 u6 B! M constant MyRamUp:Ram:=(x"4b",x"61",x"6e",x"74",x"79",x"20",x"49",x"20",x"4c",x"6f",x"76",x"65",x"20",x"59",x"6f",x"75",x"20",x"46",x"6f",x"72",x"65",x"76",x"65",x"72",x"20",x"21",x"20",x"20",x"32",x"30",x"30",x"37",x"b0",x"39",x"b0",x"32",x"30",x"20",x"20",x"20"); [ K0 C9 i) E; m --This Is My First p( y9 g( p3 H7 c/ L3 n constant MyRamDown:Ram:=(x"4d",x"65",x"72",x"72",x"79",x"20",x"54",x"68",x"65",x"20",x"4d",x"69",x"64",x"b0",x"61",x"75",x"74",x"75",x"6d",x"6e",x"20",x"44",x"61",x"79",x"20",x"21",x"20",x"20",x"54",x"68",x"75",x"72",x"73",x"64",x"61",x"79",x"20",x"20",x"20",x"20"); 5 G/ y0 K3 A; X& ]6 N! c8 \ --FPGA Program4 ]) }' @$ k m3 x' ?* k; s signal LCD_Clk : std_logic :='0'; 4 s4 w/ _/ Z# S signal datacnt : integer range 0 to 39:=0; 0 K, V& p! O3 vbegin , D2 H; b. @" y/ Y8 u' P LCD_RW <= '0'; % T$ S0 D/ N5 c& p" V- H LCD_EN <= LCD_Clk; ) G3 `; L" x; n" P4 G& | s3 W# w8 Pprocess(CLK) --20000分频,满足时序要求% e3 N/ |$ P" {, E8 U$ [2 N# } variable n1:integer range 0 to 7999999;% L8 z2 p( \% W% I9 f begin $ C3 P! }& ^( L3 a/ s, i9 S7 K if rising_edge(CLK) then$ E: |( @% B5 b, W- R- F if n1<7999999 then& f' s D1 o2 g8 m) s9 c& z% c7 B n1:=n1+1; ! \( O; C& E% ?$ \* h; h* T1 Y else ) P7 s( l7 ?2 Q; S4 L n1:=0;; a0 P( v! p7 W LCD_Clk<=not LCD_Clk;/ O- k4 v0 c. z. ^ end if; ( Y) i U4 ]2 O2 m- e {. ]& ^( z end if; ' A5 G [3 B) j% u$ kend process;6 e: O; `& @) F$ ?/ @ process(LCD_Clk,state,reset) * a# a! E/ H4 V$ [7 O/ Lbegin 9 H; C0 Q9 P8 Q2 I1 x, A1 V if Reset='0' then ( B$ ~, d6 N. _7 M state<=Write_instr;: p$ ?1 X* T2 K8 ~. r& I; M% E# g3 b LCD_RS <= '0';' }( v7 B8 G( Z7 r; ?$ ?& M elsif rising_edge(LCD_Clk) then+ z) H3 Z {" V! M& @/ E2 _ t8 J case state is6 _2 d% r, u, I+ D% u: A2 ] when Write_instr=> --写命令字到LCD控制器 4 s }: n4 {' m& n/ Z1 N( g LCD_RS<='0'; : N8 b m! x* V7 A if(datacnt=0)then9 m! x( m( U% \# b data<="0011"; --0011 , \/ j4 G3 P! X' i$ h datacnt<=datacnt+1; % `2 x. a! Y" C elsif(datacnt=1)then * o/ P' r& _+ ]/ ?; B data<="0011"; --0011 . H( x6 f# Q0 [" ?0 q+ H! U datacnt<=datacnt+1;& Y1 A. @3 v# I1 r7 B elsif(datacnt=2)then- o" _2 s7 Z5 S/ J# Z- g data<="0011"; --0011 , |8 D1 z* Y& ^+ J$ @9 B datacnt<=datacnt+1; 8 [2 J* j/ I# M y4 n8 F elsif(datacnt=3)then7 b, Z# V+ b! b data<="0010"; --0010# o. r9 Z% g: G datacnt<=datacnt+1; 5 D& S; X- |1 a elsif(datacnt=4)then --0x28 : 0010 1000 =>功能设置) ^5 g$ C( K/ {- |& F0 A data<="0010";9 T3 s$ V- u; Y; P1 q5 v% ^ datacnt<=datacnt+1;& c, j6 j- {2 a: P2 V& L elsif(datacnt=5)then 4 K2 [! G7 s3 u) x* E data<="1000"; 1 E: m0 J5 R9 }: c' N datacnt<=datacnt+1; 4 r7 [$ K5 ]( o; s% d elsif(datacnt=6)then --0x06 : 0000 0110 =>模式设定 \% T# F `6 k& C7 H X/ \& A/ n data<="0000"; 4 ~+ o1 I" \$ D0 x4 e+ s f* N datacnt<=datacnt+1;) s# |$ A' X) n; {/ p$ m/ U elsif(datacnt=7)then 6 O% y3 V2 ~+ J+ r, f0 K) i data<="0111"; $ L3 _0 ~+ D+ I% I datacnt<=datacnt+1; " y! `5 }4 z" b0 { elsif(datacnt=8)then --0x0c : 0000 1100 =>显示设定 * j5 m2 ^+ ~& f" o data<="0000"; 6 l1 t6 l4 \& |* R2 N7 k4 f. y datacnt<=datacnt+1;! G$ c2 w# K9 I" \( B/ ]" W6 A elsif(datacnt=9)then; _; g1 y0 ~- {+ S5 z$ f( \ data<="1100"; & `+ z' W9 w4 }, M# ?6 s# M, \! x datacnt<=datacnt+1; 2 a# l- \1 Q* Z7 y7 c) W, F elsif(datacnt=10)then --0x10 : 1000 0000 =>00H 设定读写地址位 ) m' S: A+ ?$ c" @: E3 \9 Y/ ^ data<="1000"; ' ^: E: d$ f9 J8 K. h datacnt<=datacnt+1; ) X: |: l; i7 G9 o+ ` else! j6 N, _8 A/ R& I. T, |$ j0 K data<="0000";4 r, h+ y- L& n, x6 i datacnt<=0; ) h" T" {/ `) @4 s/ f6 [2 k- ^2 E state<=Write_DataUP4_1; ' S* q7 b+ b1 v# ` end if;- x' z( I5 {5 e; F6 v when Write_DataUP4_1=>1 ]4 M1 i; j! X9 S: r LCD_RS<='1'; ; G. z2 e! a& ?( X data <= MyRamUp(datacnt)(7 downto 4);5 p( C3 b+ S) N state <= Write_DataDown4_1; # W: ^4 j9 M) |, d. ] ; `4 V, e: F, ~+ Q1 e8 w when Write_DataDown4_1=>8 z' @. n, C. k* C' |6 c" I if datacnt=39 then ! ~0 n5 i3 z' ?: `- I1 O; [6 R* {6 F data <= MyRamUp(datacnt)(3 downto 0);6 u6 Z% ~- E$ r6 ]5 } datacnt<=0;# F1 x; H( x0 h t5 q6 A, ` state <=Set_DDRamAddUp;4 i. w; u4 ~( \ else' {% ~8 }* T6 ?. E5 H data <= MyRamUp(datacnt)(3 downto 0);2 ]8 R3 u! b% \, ?+ e datacnt<=datacnt+1;4 X, S* U1 F. O- B+ ?8 L: j state <=Write_DataUP4_1;- E6 w# S# M) }" {* q/ v+ I3 _- i1 ? end if; 9 v/ h6 {6 g! h+ l0 z! v- v: P 0 J" g- |" b$ v1 n0 r) n when Set_DDRamAddUp=> --0xc0 : 1100 0000=>40H 设定读写地址位 / |' I* i' o# }" i; e& x! w LCD_RS<='0'; ) H9 T" j, w6 \+ k# i data<="1100"; # f6 y5 V5 Z2 l state<=Set_DDRamAddDown; / s' a i3 j7 l 1 s4 H" s/ v- X) J# y when Set_DDRamAddDown=> 9 b+ ], Y: z$ H" ` data<="0000"; * U+ j+ j0 k: M% w) R state<=Write_DataUP4_2; n5 O* m( H, q8 m% _ 0 Z& X$ ?$ m# L% m0 k* I when Write_DataUP4_2=> 7 b7 M' [1 k7 x. s8 w LCD_RS<='1'; & l9 B9 d, G% i: p# d data <= MyRamDown(datacnt)(7 downto 4); 2 C8 o# K) N; ] state <= Write_DataDown4_2; ! E N3 X8 n! e1 L. j % g$ w8 _: E) {9 S6 v% g2 q when Write_DataDown4_2=>* Y. `1 f9 ~+ v4 j if datacnt=39 then5 V1 R- O9 }0 e data <= MyRamDown(datacnt)(3 downto 0); 8 [: i0 M# W7 ^: |' k+ S datacnt<=0;; E$ E7 T- e2 j: r# _3 S9 @ state <=Write_DataUP4_1; 1 f* c: V) M: K" S5 q- u else . a- v/ Q. M" V% {3 n9 z0 v B data <= MyRamDown(datacnt)(3 downto 0); " ?8 n2 P: O8 |. Y' J3 r! I datacnt<=datacnt+1;2 w* w' p3 }4 a! E& Z state <=Write_DataUP4_2; 5 k& @% {( n" H! k/ c9 L, Z! { end if; 5 F; k$ q; f+ m; Z5 K4 N: ^* D 7 ?$ G2 u' M, D5 ^ when others=> ; Q! J! c( T2 e. T; A* a1 W state<=Write_instr; 7 s* J8 {5 v# l+ N: x5 I" \ 6 q5 ?9 E1 f, Z. ~9 Q; O0 k end case;. z' W8 K" g- q9 @) _0 A- E- x" X end if; 0 B/ u2 B+ a7 M* zend process;% b# \* J+ o& N$ b) _ end Behavioral; |
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