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用单片机和tlc5615怎样实现呼吸灯操作? 电路图的LED应该如何连?这是我连的 没敢加电阻 一加就有问题。。。我想通过输出电压控制灯的亮暗# ^4 N* W: N S" v0 X Z* g
哪位大佬能帮忙看看问题在哪?5 T* J, A" v, J5 V& W
#include<reg51.h>
$ Z3 g: _$ }. ^. S. M' ~#define uint unsigned int$ b9 n, M- c6 n1 d8 D" U1 F$ ~% {
#define uchar unsigned char& T1 T5 x8 P! ]& X
sbit TLC5615_CLK=P2^0;! S `% f( v! s( U* b: D
sbit TLC5615_CS=P2^1;, T- G7 U4 ^" N* ]
sbit TLC5615_DI=P2^2;8 i) ]/ u, l; e& Z- E5 ^- T4 X
uint code a[]={450,455,460,465,470,475,480,485,490,495,500,505,510,515,520,525,530,535,540,545,550,555,560,565,570,575,
" W& e+ v' o6 G7 `% p4 O/ c+ n580,585,590,595,600,605,610,615,620,625,630,635,640,645,650,655,660,665,670,675,680,685,690,695,700," ?/ u6 ~9 [- `4 B% A
695,690,685,680,675,670,665,660,655,650,645,640,635,630,625,620,615,610,605,600,595,590,585,580,) c/ M/ W2 e+ S& d. x
575,570,565,560,555,550,545,540,535,530,525,520,515,510,505,500,495,490,485,480,475,470,465,460,455,450};1 c" \3 ^! z# I& R' ^
int main()
6 h) x. ]/ a/ V5 ^{
: f" M0 e y; H/ v7 H void TLC5615_DAC(uint dat);
; b. P( I' ?# |0 {. f; u4 [( V* w void delayms(uint x);
" C! f5 ]4 T. q uint m=0;
6 z9 f# a* D% w/ Z7 y while(1)6 Y' m& ~* v- M7 g% [" h: f
{& s9 k" W! o" i' j
TLC5615_DAC(a[m]);2 k2 n1 g, y2 T$ q2 V# y+ E
m++;$ C/ M, e) x) i3 S* a( y
if(m>100)( Q8 L0 u9 q: x+ J9 d. U9 n
m=0;7 F$ V) a. {' R2 N9 j
}
7 M) G1 I2 {1 E( G* ^ T8 Y) o return 0;/ Y* S7 N% c f
}9 `( j6 ?# H* I- e! D! b
; k; P, m* q, [. S
void TLC5615_DAC(uint dat) ; T: ^& J# ?1 O k
{
$ f8 N3 K3 j' r! Q3 f( F uchar i; ) T8 M* ?0 f" v) g9 h
dat<<=6; : R/ e2 |# o: U8 t9 z" b& L8 K/ w
TLC5615_CLK=0; : ^: h9 h8 |6 K6 r( I: V4 q
TLC5615_CS=0;
; c: j8 ~% M. c, ?' ^: v" C1 h1 z for (i=0;i<12;i++)
, F/ N: K( X; E3 k8 K1 G { ! E4 Q- V1 F9 J) j& Y% L' ~! F
TLC5615_DI=(bit)(dat&0x8000);
" [( F) k. F& S. R TLC5615_CLK=0;
% W( ^. c/ p; c7 Y! f; c dat<<=1; 3 g0 [5 H' ]/ }; x" D; {
TLC5615_CLK=1;
" y7 h0 B. x+ n) C- K7 _ } * d) j- W! s* j
TLC5615_CS=1;
' J0 n# u" `: | TLC5615_CLK=0; " p- v* V8 W$ T6 T0 a3 N
delayms(200);+ A8 m# [1 j8 a- [
}) i2 n1 v/ D) j+ `2 X- I$ G% h) O
& _# K; X9 y( @+ ?: dvoid delayms(uint x)
/ L3 W1 y- R! H/ @{
- f+ G, r/ Q* u8 G* m uchar i;2 ~9 r: `" ~6 {" X; k I9 }1 }% y
while(x--);
2 |8 S: _ y7 \; H$ t7 i, D for(i=0;i<123;i++);3 Z) Z; a _ C: h
}- P" a3 K# H, ]/ e
+ j8 j; `- b) V0 b d/ G* G% n$ d* i& J& A8 W
X( V/ X% M0 R/ }$ D
7 t1 ~1 @! ^" d4 g6 b
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