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基于proteus的直流电机仿真 带单片机源代码
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3 z" o; X+ e& V: q. ^3 E基于proteus的直流电机仿真
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单片机源代码:* |: b) Q* Q" z
#include <reg51.h>7 f! }6 a0 H4 `2 L6 T
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3 H& S* F5 D1 B0 S6 u/ ~ #define uchar unsigned char2 \8 q1 {1 |9 x3 K
#define uint unsigned int; C; ]$ `: r& |# Z d
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sbit open = P2^0; //启动电机按键
1 D" i3 m- T% |& b sbit close = P2^1; //关闭电机按键; u9 K. x# ~4 c$ `! t7 S2 T% J0 B
sbit swap = P2^2; //正反转按键
) j; r5 b; \$ Q" f( @# {$ ^' ` sbit sub_speed = P2^3; //减速按键# s7 d! z: |" Z+ o) T, ~* g5 Q3 T
sbit add_speed = P2^4; //加速按键
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sbit PWM1 = P3^0;
: k# t8 v* ^9 m: E7 Y sbit PWM2 = P3^1; ; u9 b# {: j6 X& W y3 f/ Y) D
/*液晶显示*/" R( a: W- V; a' Y4 z
sbit E=P3^7;/ P# E" y w8 g& s
sbit RW = P3^6;8 J( W( {( U; x2 m
sbit RS = P3^5;. k+ j9 |; m M/ V- ^ V
sbit test = P3^4;
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int time = 0;7 x& M. l: g `9 R3 Y
int high = 20;- s. D% \4 a9 r/ T- [1 W& r" W
int period = 30;* \& k1 C) j ~5 h3 E
int change = 0; H4 r) U2 m' O& Q1 M( C. |
int flag = 0;) t& ?/ n0 a& u7 I0 T0 f/ Q A
int num_medium = 0;
- f @0 {+ T+ \# b' l' t( l int num_display = 0;
" l3 W0 M O2 o. g int count_speed = 0;5 y3 |/ i5 I' S8 E5 M: ~8 q
uchar wword[]={0x30,0x31,0x32,0x33,0x34,0x35,0x36,0x37,0x38,0x39}; / P; Z: X# o! y, i/ j& r$ j, E; g
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+ \% l s- d6 m% [/ P /*延时t毫秒*/5 @- e: A. g- K8 P7 \! a1 t
void delay(uchar t)# R) R! U) h% n* _; ?
{
& c/ ^5 a! S6 |1 b; j! | uint i;
& e) o3 U" v' z( l7 ? while(t)
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) r# V- i, y; |( r# e /*对于11.0592MHz时钟,延时1ms*/
- f2 S9 j, ]% x& ^5 [* p$ \ for(i=0;i<125;i++);) y k3 a: i/ K6 y4 H* h. ~
t--;& p* b8 U* A E' B6 [% K5 s
}
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+ U% n. k J6 \6 I S$ c" e* F //写命令函数LCD
7 x- A0 i; D, @6 z void wc51r(uchar j)
P, n7 l) i! L' h4 N, z {
( Y0 A4 F9 a2 q* X //fbusy();8 x4 A3 j2 Q Z. U+ F
RS=0;$ g5 L% _3 Y% W/ i
RW=0;
8 Q' T" i; f1 V6 C* @! O P1=j;2 b, N1 u# G' ]6 Q
E=1;
@% c! A3 K# m3 S H; s6 i2 o E=0;& y7 O- N' z1 d5 s' |8 e6 }
delay(3);8 B! [9 \- A6 L4 y) E/ v
}
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4 |1 E3 u& `% Y! Z3 z7 j1 f //写数据函数LCD- Z3 B( |7 f5 f; w9 m8 E0 k
void wc51ddr(uchar j)
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RS=1;' X& _* `2 Z; m6 ~( H( `
RW=0;+ F* V- _2 H$ ]8 a4 c2 d% O5 B
P1=j; { Z" m& \2 S& \) _
E=1;# v8 z/ U& Y3 T7 c0 E: |7 Y3 M0 Z5 A
E=0;" B. G* O) A. c" A6 n" d
delay(2);; R: @- `9 Q6 X' o! U
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5 ]+ l/ d8 ^8 m+ J //初始化函数LCD% m3 g( a1 P* v( v% L: R! R5 {, y4 j
void init()
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wc51r(0x01); //清屏
' ]$ F [; v \) j6 k1 W" R wc51r(0x38); //使用8位数据,显示两行,使用5*7的字型
4 _+ s6 t9 o# }: X/ |3 X wc51r(0x0c); //显示器件,光标开,字符不闪烁! |6 w8 W A% j5 `7 \% J+ t
wc51r(0x06); //字符不动,光标自动右移一格
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/***********T0中断服务程序************PWM波的生成**********/! b; e2 m; i/ g% Y* [* ?$ c3 _0 X
void time0_int(void) interrupt 1
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5 m4 v' E/ C* q! q time++;
* }; K* J7 i: U& D7 _ TH0 = 0xec;
8 F$ n; ~, U) K TL0 = 0x78; //60536 K* O' F: V5 S5 T* o( @
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if(change == 0) //正转' v" d: j) E& ^3 x; i
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PWM2 = 1; 9 d1 V7 o, F8 C) b7 ?( \% F/ D
if(time == high) //high初始值20+ X9 ^ y6 [, |) x" L
PWM1=0;
+ w# j$ ^* W) V6 e; V else if(time == period) // period初始值30
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PWM1 = 1;
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}
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else //反转% t+ Y9 [* l! I0 N
{ PWM1 = 1;
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PWM2=0;# ~" r& R( k) y1 X
else if(time == period)1 S ?. C0 l9 \1 _# v1 }/ O; h
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PWM2 = 1;) g% [$ x4 ~' f# ^+ R
time = 0;1 G, ]% ` V9 X% H. B9 B. Q! P
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}
9 t, K* z% n& e/ h* f1 P/ X/ e /*************************************************************/- M; z$ i4 x$ |6 }
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: F: ^& v3 I% M1 L6 b /****T1中断服务程序********单位时间(S)方波的个数*************/& ~ R# s5 ]+ E5 E: _) t
void time1_int(void) interrupt 3 ! G: t2 R( ^" ]6 ]( x
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count_speed++; //count_speed初始为0) }7 P& q) m0 F5 E7 g
if(count_speed == 20)
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2 x$ M' a5 M6 l2 ]" w0 Z0 O {5 t num_display = num_medium;
. u) q' }6 A& n. ^6 `2 A7 y num_medium = 0;# o0 [$ ?3 | r8 w. W4 e9 l/ v" c4 `6 f
}
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/*************************************************************/# E5 h, Y( n& {' ^5 v
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/************************速度显示的数据处理********************/7 t& |# ]8 o( m
void datamade()
/ D. e- u& _- `1 A4 ]9 D { uint data MM,NN;
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wc51r(0xc2);& F; S7 g7 s1 x. H+ Q% `6 w' w
wc51ddr('S');
6 a5 R4 X) T) M/ e4 K4 p q8 c wc51ddr('p');
; P! X+ ~* k. C: V$ \* n* V wc51ddr('e');
! G* I% F) {( i wc51ddr('e');5 B9 y' h+ d: T/ ]
wc51ddr('d');% F* k( K, o8 c j; V
wc51ddr(0x3a);; b$ H4 f/ m8 I8 v
NN = num_display%100;! S' u* w3 r# b) N) e4 h' Y4 w
MM = num_display/100;
% ^' t4 E1 \* A. n+ i/ } wc51ddr(wword[MM]);# Y3 g/ V4 ^1 l8 _: n7 }
% H5 v/ J+ Y1 @& X9 Q P MM = NN/10;
. Y* S, P$ R! X- c5 g! C {, C NN = NN%10;! _) N/ \0 R( x9 M( p+ X
wc51ddr(wword[MM]);
6 W; F2 g, q, ]# ]) f& `! q wc51ddr(wword[NN]);
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/*****************************************************************/
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1 a! y) k$ _; a" f /**********通过按键实现对电机开关、调速、转向的控制***************/- Y# P$ G. d0 D- P
void motor_control()$ W. P8 j% E# T. A( l" f
{
. ^* g. C. w3 r8 V e* d if(open == 1)
% D2 ?( P( A, S+ } R! u EA = 1;
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if(close == 1)
, {' p1 f8 {3 Q EA = 0;
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if(swap == 1)
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change = ~change;
( p- P% t5 P/ M$ o# g$ M while(swap != 0)
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. f9 z3 f5 g4 l# D. }) E if(sub_speed == 1)
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high++;
1 p9 i4 {$ F( y; Y% C if(high == 30)& m+ R: w) U$ c' j7 G4 y& h7 f
EA=0;
$ ~$ j7 E/ L4 Z% i+ { while(sub_speed != 0)
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}
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! t1 U4 \+ m7 r& U! k6 e U* p, {) R if(add_speed == 1)4 j& k9 q8 g) ]$ \0 _6 g) R
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high--;& {0 j- V! U @+ i3 \
if(high == 5)9 J, E% n0 b7 w6 W' e+ S8 D
high = 5;
7 a% G1 w/ U2 `1 d3 ^$ ^- M while(add_speed != 0)
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}
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( N2 `+ W$ C7 {0 l /******************************************************************/8 D& |0 M- E, _, T0 [
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9 N' b# n' I) u$ t3 T# J2 } /***************************主函数*********************************/, ]+ W" A% Z* f) H$ Y1 [0 b
void main()
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P2 = 0x00;' ^. f0 D8 \9 a6 i
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ET0 = 1;, |% R: t, T7 u2 x' u
ET1 = 1;
0 A% d6 k' t* l" S8 C TMOD = 0x11;
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& ]4 d X. `' I; b1 l- v3 W! p* F: G TH0 = 0xec;
+ w. L+ [2 Y. [+ B! f TL0 = 0x78;
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TH1 = 0x3c;
K8 M3 B2 F9 B- b TL1 = 0xb0; //15536) b! H2 X+ V% e! M) m* h$ n0 ~5 [
TR0 = 1;% A$ }; ~- d" r" x& k
TR1 = 1;7 n" M$ {. N5 X+ f
5 d! A6 O; l0 B9 N# ? init(); //液晶显示初始化程序
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while(1)
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wc51r(0x84);
* s5 U, p- h7 A% d& O wc51ddr('H');- M% `% Z% _. _1 g: j' e I
wc51ddr('e');
* l7 y0 |9 H! {' R1 I wc51ddr('l');
; {, h' R( x; `+ a wc51ddr('l');
. G2 S; O( E9 [. I4 {" Q wc51ddr('o');
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* W3 U( R: q# V if(test == 0)
) y4 P( ?* i7 ?8 X num_medium++;
/ m1 a5 @, ^" k# R* J& h2 e5 a datamade();
* z; A; C; U2 E# S3 f2 w& A/ V motor_control();
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$ z9 g: o d" F& X…………限于本文篇幅 余下代码请从论坛下载附件…………
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