TA的每日心情 | 奋斗 2022-1-21 15:15 |
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签到天数: 1 天 [LV.1]初来乍到
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#include <reg52.h>( F% k4 ^9 M& m
" J- N Q* [( W0 O a8 ssbit ADDR0 = P1^0;
! M: m! g, q- fsbit ADDR1 = P1^1;
( s! c4 @4 K& c) z" Lsbit ADDR2 = P1^2;
% `; f) l* M! H xsbit ADDR3 = P1^3;
- m5 I+ p h5 X( y( D: s+ Usbit ENLED = P1^4;4 w0 R3 O' {8 z: W& J: X C+ i0 N" y
- G. ~$ `- J4 S# [9 @( v7 [unsigned char code LedChar[] = { r/ t D2 @* \ E; D2 @
0xC0, 0xF9, 0xA4, 0xB0, 0x99, 0x92, 0x82, 0xF8,
( j9 }* t# B2 [) d 0x80, 0x90, 0x88, 0x83, 0xC6, 0xA1, 0x86, 0x8E* Z$ H: J3 s8 s0 W+ ]# ~& U' \
};0 ]1 V& d7 ~5 {1 H% }
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void main()
9 f: C8 q* g5 l{
! J" J0 ~" s E. d unsigned char cnt = 0;
! m! o0 H% D& P. j3 f6 U+ [ unsigned char sec = 15;
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ENLED = 0;
# N$ h% h/ w: x$ g3 y2 b0 h A O ADDR3 = 1;
2 c# ^0 z' r5 Q: L/ S ADDR2 = 0;1 k' L0 @* I* z4 G( I7 q7 A D
ADDR1 = 0;
4 i1 L1 D) N) Z! L- g ADDR0 = 0;8 {1 B7 i1 ~. f7 j* y( ~+ P
TMOD = 0x01;
3 }5 ^* i- Q6 f1 Q TH0 = 0xB8;
* s1 Z- P {) S2 u/ i TL0 = 0x00;
1 b/ i% @" e9 M1 X1 D TR0 = 1;
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while (1), i/ L p/ x% ?, x. Q( M
{
( }" _/ | c3 G2 T0 e0 G- J if (TF0 == 1)
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( w; o7 c; I# c; k TF0 = 0; ; b0 T$ [; f' \
TH0 = 0xB8; 9 ] o) I+ G) D- Z. v. v( x* d, A
TL0 = 0x00;% C% Y3 x, B+ z
cnt++; ! Q+ U+ m8 G0 B& @1 W' d! m) J
if (cnt >= 50); Q2 H) H' Z. c% }: F% e* T
{
4 H" Q$ l2 U1 c! K, i' D1 {/ _ cnt = 0;
1 s2 E9 g' B: ~7 A1 _; G P0 = LedChar[sec];$ b! D( ^5 C! y9 X" _9 w
sec--;
# s8 p7 B( H3 ]% M$ b$ |) t2 v if (sec < 0) 2 Y% g5 r; }/ d, o) ~ Z
{& W" X: {9 b- o5 x& f+ ]
sec = 15;
+ ]6 [5 z s- U0 I) J( U y }. ?# p. r& E9 g1 L- i
}
# y' E1 I; v7 X% [6 j6 w! x+ V5 v }) n% i( w0 \- \4 [7 d j( P
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