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单路舵机控制单片机源程序7 ~- A5 c* h9 k' M% B; l
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单片机源程序：8 m8 x6 w8 w+ y" z
#include "reg52.h" D$ X) p0 ]% t5 F: Z
unsigned char count; # T5 y3 N! ~. E
sbit pwm =P3^0;
4 p2 `& e1 ~, D1 k7 l0 [; d% T; A/ Bsbit jia =P1^4;
& L9 V0 ^$ [$ Y: isbit jan =P1^5; * Z+ A0 {* y. o9 T. _/ r4 _5 Z
unsigned char jd;
! M! s2 |% m/ e! K4 nvoid delay(unsigned char i)//延时2 n' o0 c E% Y( Y3 J6 U# _* N
{; [0 y. q% l* F0 e
unsigned char j,k;
1 M& j$ g+ d7 `& z, I, t* R' q/ v for(j=i;j>0;j--)- e2 y4 M' U. N( V' \
for(k=125;k>0;k--);2 Y4 z& W% h( e2 j& ?8 t+ G8 x
}
4 Y' v' A& K9 p# [" Z5 @void Time0_Init()
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TMOD = 0x01; 1 B3 K# T5 v9 L" s" v9 e5 I
IE = 0x82;: B: c' A9 ]+ }+ l7 N! m
TH0 = 0xfe;
* _/ X3 q' a) u( z& C" C( OTL0 = 0xeb;
0 i. [! H9 O* [) W5 Y, i' j TR0=1;
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void Time0_Int() interrupt 1
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TH0 = 0xfe;
/ x; Q2 F6 z9 i4 YTL0 = 0xeb;
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9 ^' _1 G% ^0 z) ]/ S C if(count<jd) 7 H1 f# F; B# x0 @* A9 e
{pwm=1; ) |) j7 Q5 {, I
pwm1=1; }
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{ pwm=0;2 b' I' \/ H# L" S
pwm1=0; }
% S( K' L) b6 L count=(count+1); % x H6 f4 e5 g" l: S
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}
! v+ |8 L1 l( ]& X, \. l& v void keyscan() ' P, v$ {+ H1 Q. E# \3 K
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if(jia==0)
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delay(10);
: O: T& G/ x1 e6 A) N9 J6 \ if(jia==0) ! s" A& C+ u3 W# |% K
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jd++;
( F/ G7 n& i: \ count=0;
8 v* `' ]3 x. J1 g if(jd==6): B$ b W @7 {
jd=5; % N) i9 u5 Y$ @# T5 j
while(jia==0);
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}
* |) o; G) e- g @4 T if(jan==0) [: d! t8 m4 s F" C( |7 P
{
( ?; }8 \ _" C) u; O3 {) y! x& Z1 u delay(10);
- E+ V* M* @ D& ]: q. ]3 ` if(jan==0)$ q2 ^! I2 ]6 d3 h3 L7 Q
{
& l( b- l& b9 e( s: m( @8 {$ D jd--;
5 F, k5 G5 C* ^7 n count=0;+ `) K9 k0 i3 w& k! p2 g0 T
if(jd==0)
0 I. s& K+ e8 t: ]' | jd=1;
. m( p$ S- r$ T E while(jan==0);
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}
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void main()
3 R6 c9 F5 Z% b{
9 m6 e* @/ l: V& b3 Q9 G7 K y jd=1;
. L3 C9 X: @* e, x. W count=0; $ x% T# ^' `! J
pwm=0;. D; S3 H9 w# [; E% L; B
Time0_Init(); ; @( S$ ?7 m. s
while(1)
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/ r$ l' ~& J9 ?4 ]5 W( E keyscan(); 1 C8 q7 X9 ^/ s+ ]& [5 q ]1 p
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}
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发表于 2019-1-14 09:50
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