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基于proteus的直流电机仿真 带单片机源代码0 r9 k6 V/ v1 _) q
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( ^2 w0 q( r+ s( J. f基于proteus的直流电机仿真" c2 S2 B! X; B* |& t) L& H
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& q% b! f% v' b o k5 Q单片机源代码:
& O/ F) S# U1 ]* \ #include <reg51.h>
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{0 R2 [7 T x( J5 q2 p #define uchar unsigned char
/ W ]! A, K X- @) N #define uint unsigned int
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8 \- j* l/ Q( N; { G3 E sbit open = P2^0; //启动电机按键2 h# S1 E; a Y5 B0 _
sbit close = P2^1; //关闭电机按键/ I: B# m! C5 v
sbit swap = P2^2; //正反转按键' O& `. Z- n% F( V9 x4 F
sbit sub_speed = P2^3; //减速按键* {$ Y/ `& z: @' l% X; r! M9 H$ r
sbit add_speed = P2^4; //加速按键2 y: U% ]0 \0 X% d* U2 x V
) @7 D; E4 r9 w+ W9 \ sbit PWM1 = P3^0; / x- i4 s- ?5 N' {8 N
sbit PWM2 = P3^1;
2 T3 J1 T7 {7 T' j I$ S% ` /*液晶显示*/4 M/ S- v+ v2 S4 k3 b6 w5 g0 d+ v
sbit E=P3^7;
% K& J* I: J# G) t! q sbit RW = P3^6;
$ j7 w3 M! b1 S8 m9 e sbit RS = P3^5;
8 O2 r% S, d9 H2 F$ u! P1 U sbit test = P3^4;& B' y7 x% ]/ R+ s$ ^' f
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; h \3 x* M# Y3 B. D' K* ~! t) ^ int time = 0;3 y3 u9 S. ?- i
int high = 20;5 ^/ \+ Z7 w- r3 X7 q
int period = 30;
2 X; Y; O1 U3 e int change = 0;
9 y v2 R, H6 z. p1 c int flag = 0;
6 b; l4 y7 z' d int num_medium = 0;4 w$ ?* M* n' B2 n- o
int num_display = 0;; ^, `$ s K0 J5 G- r$ F% E1 j- X& I8 h
int count_speed = 0;
! ]) u8 C" Z% l) F0 S) T; M8 X uchar wword[]={0x30,0x31,0x32,0x33,0x34,0x35,0x36,0x37,0x38,0x39};
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/*延时t毫秒*/ @, S, [( z" B2 r" R: B
void delay(uchar t)/ n" a! I: I# h% G
{
: G1 j: m& C# W8 g. U# h uint i;
7 T3 U+ l/ `. A x( l7 e while(t)' i; u3 c) }3 G% R% ^) `
{
( g8 P/ Q; u, }- f( V7 \% g, X5 ~ /*对于11.0592MHz时钟,延时1ms*/3 Y% k; U; e9 ~* \" E9 F
for(i=0;i<125;i++);) P3 P+ Q, ^5 N$ c' Z( E
t--;
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//写命令函数LCD
8 S5 s7 u* j A& ^* z. A' S$ } void wc51r(uchar j)5 Q7 H; j& `# x
{
5 ?0 W0 v; q& q6 ?* |0 ^! S //fbusy();
m7 V8 O0 b, C RS=0;; S) h# y1 p8 K' a7 d
RW=0;
* ^* j: _& B: Q& r1 \" H$ g P1=j;
6 N: f6 g8 G8 k2 a( z/ { E=1;
" O% M/ T/ H. x3 }$ j E=0;$ p% `% f6 Z4 c9 K" V1 R
delay(3);( a, A! E) z5 Z3 |
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//写数据函数LCD) B) L8 y0 a/ f! B
void wc51ddr(uchar j)$ j, N9 y' e1 s! A* M A% ^' t3 }
{
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RS=1;
. _+ a; ]2 ~' `0 K4 Y( K RW=0;
. D8 h0 y, T5 T2 q) q5 j P1=j;% l) r$ P% }+ D
E=1;
2 g; t2 N5 c2 z+ I4 N3 U E=0;: d! j' h6 L5 ^, H
delay(2);
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7 E [, T- r* b/ t //初始化函数LCD
T1 h9 C5 t9 Q3 g& x& s void init()
$ b, S. ~" p2 `& l, o {
' g" p% i; h5 S) ]" o% @8 ]/ p wc51r(0x01); //清屏9 i0 n) m+ D9 H' I5 D
wc51r(0x38); //使用8位数据,显示两行,使用5*7的字型" n# _" T* N# J! l0 I& P
wc51r(0x0c); //显示器件,光标开,字符不闪烁+ F4 x) R: J5 E# X3 _$ y
wc51r(0x06); //字符不动,光标自动右移一格9 s1 M! I$ w3 a+ P: O1 k+ ?
}
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/***********T0中断服务程序************PWM波的生成**********/$ ]3 @) q* q9 k
void time0_int(void) interrupt 1 , K: j! B6 V$ A1 d
{
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8 d% v* X! I# |( ^8 e time++;6 n% G! C, D$ r$ G
TH0 = 0xec;' C6 `7 b& g5 i. P
TL0 = 0x78; //60536
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if(change == 0) //正转$ S0 k r" \: \. E! @
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PWM2 = 1;
+ [4 T. U! V( o4 A if(time == high) //high初始值20
) C$ H' x: N7 B: I$ K/ b( v PWM1=0;3 u& i" N% V8 H
else if(time == period) // period初始值30
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PWM1 = 1;1 H% E O4 z& |; W0 i7 m4 o+ d' F) t
time = 0;
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else //反转
; ~1 g6 J7 a' L3 t; T5 X { PWM1 = 1;
! V* Z% X$ P7 K& n if(time == high)& c& p; H9 Y: V$ p" A. q4 b
PWM2=0;
. V9 `2 P# V. c- Y4 L1 m else if(time == period)
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. Z1 k2 g) Q; f PWM2 = 1;
* ?5 ~6 P y# i( ] h% }: m& C time = 0;
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7 {& Y; H8 h- E) V: D /*************************************************************/% [( Y! v, a; }3 }, u. o
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/****T1中断服务程序********单位时间(S)方波的个数*************/2 J1 K/ o. C9 f0 s5 H
void time1_int(void) interrupt 3 ) k& g6 W2 p4 w/ A- E4 b7 r
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count_speed++; //count_speed初始为01 h8 M: A9 S' V5 F3 y8 y8 D% l
if(count_speed == 20)
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num_display = num_medium;
1 W+ d- q5 E, q2 x. ] num_medium = 0;0 p; S8 S4 [5 I8 }, f- e: B
}
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/*************************************************************/
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* j( J) | G4 V s5 [: I7 N6 D6 h5 V /************************速度显示的数据处理********************/" q0 D' [: H; D6 ^
void datamade()
# P/ s" q1 U* [) T G { uint data MM,NN;- D* r- J& z! t( s
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wc51r(0xc2);$ @5 r. j) y3 |& K! O+ s
wc51ddr('S');
- d S1 P! f- I# G- R# A, i4 f( c wc51ddr('p');# e: E3 v( T# C$ u; {' C
wc51ddr('e');2 S0 G, J, t4 c* L
wc51ddr('e');
2 B) n2 a& w/ U. L1 u wc51ddr('d');7 h) M# L7 b1 z" ^. a
wc51ddr(0x3a);1 E E( z. F& P% i; S# N, n
NN = num_display%100;
0 P( l8 T% ?: E% U! F& c0 k MM = num_display/100;0 J+ O+ c9 A' K! R! v) x
wc51ddr(wword[MM]);
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MM = NN/10;, @ T1 }# j7 i; h1 t; D
NN = NN%10;/ B$ g( m* n- i% U8 h
wc51ddr(wword[MM]);
+ ^+ s! F K) C) n wc51ddr(wword[NN]);1 [# F# a5 G. r/ [; Q3 |
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}
1 H$ _) ~+ t2 J: a" G+ r- `- w z /*****************************************************************/
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/**********通过按键实现对电机开关、调速、转向的控制***************/
; z$ O6 F) \0 D void motor_control()* ]8 T, C+ U6 Q. j: u$ w4 ]$ l
{
! x: j5 [/ ]$ |1 ~9 V3 ?; U if(open == 1)8 V, D5 u/ ] g/ g0 r
EA = 1;3 s4 c1 a- s0 H: P
& T& y* o2 u; w/ `: z if(close == 1)4 u V% e% D f. \- u- L7 l
EA = 0;
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6 y' H# t4 L7 R8 T if(swap == 1)1 s0 Z9 ?; e0 P, i
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change = ~change;) c6 w; H. m: i) v3 b3 {; n0 J* O
while(swap != 0)$ j' |7 {+ }: n2 @& s6 s2 b( K
{}
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if(sub_speed == 1)! F6 h' i4 [' u0 e% }
{
) G) ` d8 R, V0 t high++;8 c0 K8 W3 r+ ?' J7 w
if(high == 30)7 M" F, d8 c; p# I( x
EA=0;
- g$ U: Y7 t9 O2 U% v2 R. b while(sub_speed != 0)2 g5 _: I/ W4 T: J9 E( R2 ]
{}
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if(add_speed == 1)
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, s3 h! t% T8 z5 M1 I q* D high--;
$ s0 {0 l9 M2 i if(high == 5)
$ m g; `; ]* k9 W- i% A! H high = 5;' O+ q, D: i! Y0 u. D% N
while(add_speed != 0)
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}
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/******************************************************************/. @; X. z% P' E. n9 J, w- |
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) h- U1 w, V& _% J1 j3 n /***************************主函数*********************************/
$ h: t# p# {: k! e8 ^5 J3 Y void main()# H: O! g [% Y5 f, M
{
, @2 f, g2 `* z' z- P3 y P2 = 0x00;
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}$ l% v1 J" q% q4 c# I ET0 = 1;
' @' C7 y7 R8 h. s. I6 Q ET1 = 1;
. ~" ^9 N" F# u% |; o* p TMOD = 0x11;
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TH0 = 0xec;, ]2 T! K& u) P' y/ t
TL0 = 0x78;
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TH1 = 0x3c;! G; N; g- h# v% L4 d, E5 `
TL1 = 0xb0; //15536
, d9 s2 l- J$ h5 }+ {* C TR0 = 1;
* D$ D8 l' A* f# ]* { TR1 = 1;) ]0 P9 w V' z, P- t9 |; k$ X
; S# b, y K9 c9 m. s init(); //液晶显示初始化程序
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while(1)
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* a9 `9 `) R7 V+ ?6 M2 D wc51r(0x84);
7 @& j4 x8 O, { wc51ddr('H');& V8 x+ J d% T. E" a% o
wc51ddr('e');
3 }& O7 S) g( M wc51ddr('l');
# ]+ |# }+ \6 a- m+ _( A. F% [ wc51ddr('l');) U0 R" l; i1 }0 g) e( T8 c
wc51ddr('o');# ]3 F, p1 h/ y
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. _9 @7 s9 w: K6 M) b if(test == 0)
. v( T" F, N8 m. @/ S% R num_medium++;1 M/ W! l- y0 r
datamade();9 o# p: B/ E; K3 h0 w! ~
motor_control();. ^: E# z5 ?, h4 E
& P! {% a/ M$ }( o…………限于本文篇幅 余下代码请从论坛下载附件…………
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