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一些实用的单片机c程序
mayer | 2009-08-19 19:27:25    阅读:27346   发布文章

 
//16进制<->10进制互换程序

3PDR ?;\ I!z p43093电子园51单片机学习网Yga6b'D.W![
 unsigned char d[10];    //用于显示的10位显示缓存

/D&d-Zl1p'lw@(f43093电子园51单片机学习网Vd0P ^r)o3e/|+A1V

 //========================================================
Fd ~Z![ P43093     //16进制to10进制输出子程序:显示数据,起始位,结束位,有无小数点
i*W.VQ1f|9P43093 //========================================================电子园51单片机学习网c(v d'gW[6k3O)v1v
 void output(unsigned long dd,unsigned char s,unsigned char电子园51单片机学习网_ Lj}+nx
 e,unsigned char dip) {电子园51单片机学习网#]0D0lR,mL/I6X
     unsigned long div;
x~,p3ZV:C^43093     unsigned char tm[8],i,j;电子园51单片机学习网8QJQT[ G)g F
     div="10000000";电子园51单片机学习网Os ]z?N ECI
     for (i=0;i<8;i++) {
_2a(@ i3D[#G9t-k43093         tm[i]=dd/div;
&H k {&N:Q43093         dd%=div;
q9M)b(m&m.@XkX43093         div/=10;电子园51单片机学习网T@el!lD Y)b` q
     }电子园51单片机学习网;y+V7g{ `-k0o0a)Xu(l
     for (i=0;i<6;i++) {电子园51单片机学习网R$o8`j2C4W!X tv
         if (tm[i]!=0) break;
h(MKp _`Y43093         tm[i]=nul;电子园51单片机学习网v#f2B}%y5|7wgFd{
     }电子园51单片机学习网][-AV2t4I ~
     tm[5]|=dip;            //小数点控制,请看“串行LED数码管显示驱动程序”
g|mQ n;i)} \#a43093     j="7";
LQ+f!W-T2S43093     for (i=s;i<e;i++) {
t*Os5F_8N*Hw-g43093         d[i]=tm[j];电子园51单片机学习网+U)s7C+f.DR!W RA
         j--;电子园51单片机学习网7DN&sV:_J s)e
     }
,bcP7Hx T-Q @B/{ M43093 }

S:O/H8zMmJ)m7Bn43093

5T2V$G#ak da2}43093 //把显示位5-9位的10进制数转换成为16进制数
-oq+btq43093 unsigned int input(void) {电子园51单片机学习网:i5Q%|!gV!_
     unsigned int dd,dat;
!y3Pkxa0nQ|43093     dd="10000";dat=0;电子园51单片机学习网Z%D7dQ)mjp
     for (i=5;i<10;i++) {电子园51单片机学习网p'[/^7e:r?r
         dat+=dd*temp;电子园51单片机学习网9Z[m1Fe*{ K(F1P~
         dd/=10;
7D7kG0\1X${8X d h&Ow43093     }
[s~s%VTM f43093     return(dat);
#U2t,if4o$Vs({E8g4x43093 }电子园51单片机学习网on}fJ\n'O#\)P
 /*    89C51系列CPU编程器接收CPU程序*/电子园51单片机学习网5x4l,y,Js s/I

U5y5m3["{+t$t43093 #i nclude <reg51.h>
g7B4oQb1F$Nx+]$MI43093 #i nclude <intrins.h>
;W-}4}m KX-L|43093 #i nclude <absacc.h>

&Af4j8Ej q7T43093

sk7EN,chx43093 #define e 8
.vbo1EIZdz+R43093 #define p 9
LPGxqm43093 #define l 10电子园51单片机学习网"wFXNl7CGY-Hu

w#] a"F0d$`Z"q43093 sbit led="P3"^2;电子园51单片机学习网&d K+R-E?O
 sbit p27=P2^7;
0^VH%F~&o5yuL43093 sbit p26=P2^6;
:U?Q ^i43093 sbit p36=P3^6;
-T:S+zdg0iw.T\2[43093 sbit p37=P3^7;
|9E&o un.O3A6G"]0d g43093 sbit rst="P3"^3;电子园51单片机学习网](K5| A1Ka5ics
 sbit ale="P3"^5;
S#ih)qLAi$B2D43093 sbit vpp="P3"^4;电子园51单片机学习网$R6Uw!gZpg@

c:vH'R#i_W43093 bit b_break;
CN1L:|i+khH43093 unsigned int adds;

uJar*GD$H"w j43093

y_SY+V%?6xA43093电子园51单片机学习网2n9Vq-c8]p
 //    13.8mS电子园51单片机学习网$\ z_)bX_"zh
 void int_t0(void) interrupt 1 {电子园51单片机学习网&o%m/QV"n2G,F I
     TH0=-100;电子园51单片机学习网q l/{@ci`'C5K
     b_break=1;电子园51单片机学习网5g1vM7kvq.KG.x V
 }

aGd cuuY43093

k3L%l(c&b+j.t~Ss43093 void wait(unsigned char w) {电子园51单片机学习网A w:}/y\*m4AT/~
     unsigned int t="w"*184;
I/Ey iGC43093     b_break=0;
6\1~*@n7o:uc43093     TL0=-t%256-1;TH0=-t/256;电子园51单片机学习网B2z&iR#D5W
     while (b_break==0) {}
iI-`"WF$zBA7y I43093 }

zx ~ ];k:Q f/^43093

o?;`:\!Sr43093 void nop(void) {电子园51单片机学习网c#j,SO^%^#y&X*x
     _nop_();_nop_();_nop_();_nop_();电子园51单片机学习网xN hg]9C!q
     _nop_();_nop_();_nop_();_nop_();
&? `"yf m2`%p*k,H7G#Q9y43093     _nop_();_nop_();_nop_();_nop_();电子园51单片机学习网iVO;X!KOI%R
     _nop_();_nop_();_nop_();_nop_();
+WK6vr{l_43093     _nop_();_nop_();_nop_();_nop_();
2Sh{tw43093 }

3u1Dh W/cy&G,a43093

%^9B$B/hZc43093 unsigned char command(void) {
QX T+F"l]43093     TH0=-100;b_break=0;
\_IU$MX{ Kh43093     while (RI==0) {if (b_break==1) return(0);}
(L%\%Fy N*\43093     RI="0";
s oJ O,Br{43093     return(SBUF);电子园51单片机学习网y\%[!Z@JwR0u.wJ
 }

9SjPB;qg@43093

:?A8` kD3c$g/b0qN8i43093 void earsure(unsigned char cpu) {
Bmu}O)C{"R [y43093     switch (cpu) {电子园51单片机学习网+JDF#hzM/a
     case 1:        //89C51电子园51单片机学习网Ib],R*X,KZ\
     case 2:rst=p26=1;p27=p36=p37=0;nop();vpp=1;nop();电子园51单片机学习网;CG]~|.iQY0d!C
         ale="0";wait(110);ale=1;nop();电子园51单片机学习网Ny q4l.Fu&NK-ww
         break;电子园51单片机学习网 Bz}g+g0]3ru
     case 3:电子园51单片机学习网C1[} d#\E7m U+NY/W
     case 4:break;电子园51单片机学习网O,mj3vvh%Q"s
     case 5:电子园51单片机学习网w wBUxRjL
     case 6:break;
%Go(p)?8b2E~N_43093     }电子园51单片机学习网Du&B g$F+R2ek
 }

F,jEDbz43093电子园51单片机学习网+a iwMf d

 void program(unsigned char cpu) {
0})b*\;n {]t)r1T!W43093     unsigned int bdata adds="0";电子园51单片机学习网&fp w%J \
     unsigned char d;
}yaUh]G,?Q43093     switch (cpu) {电子园51单片机学习网6H+Zg1U3E(u&t X
     case 1:    //89C51电子园51单片机学习网5P+^L P5~ l0}7[)C
     case 2:电子园51单片机学习网A;l-p`/?/C4Bd
         p36=p37=1;rst=1;
n5W-E/\2Zs43093         while (1) {电子园51单片机学习网I;@D+j;Wu.SS
             TH0=-100;b_break=0;
K7YI|:Z4w?g2Pf43093             while (RI==0) {if (b_break==1) return;}
}"j@+zpY3U43093             RI="0";
A,?.@g;D5r2z+x43093             d="SBUF";
5SHwwwF3h43093             //address电子园51单片机学习网 k.TTH a-|*D r
             P0=adds%256;
(voUS p(_t8g)@ m43093             P2=adds/256;电子园51单片机学习网5](d shM,n
             p27=1;电子园51单片机学习网*Jz+ZXh6MR
             //data
Ifg0p)R2\ T@q!U43093             P1=d;
'_Z+X'f C5Q3LH43093             nop();    //48clcl
Upu }n'nA]*c43093             //vpp电子园51单片机学习网~KUC&W3Ch;{2S2kA)}
             vpp="1";
BW[IN3v@ {;l43093             nop();    //48clcl
r K+],F2~ _oZ6K~43093             //ale电子园51单片机学习网-`t~dlF
             ale="0";
fF fr J!X2O43093             wait(1);//100uS电子园51单片机学习网k;A rz h9R L/P o
             ale="1";
8E yf4BD(M}43093             nop();    //10uS
e0CVtE.Zji43093             vpp="0";
?x.w5_/T w`,g]43093             nop();    //48clcl
5_x?U_Lx43093             p27=0;电子园51单片机学习网&m4R"t/ca
             nop();    //48clcl
-E6nfq7t:h#zH43093             P1=0xff;
V I[r|2I4]g8q43093             TH0=-100;b_break=0;
kR |Gg%JZ5T43093             while (d!=P1) {if (b_break==1) return;}    //data电子园51单片机学习网_y u;j&my2_|7{P
polling电子园51单片机学习网:{e`#E|.P a-e8A
             SBUF="d";
wFI%}6["l&CL43093             adds++;
~-g.KZ _tEPG43093         }电子园51单片机学习网 J%USw_ J
         break;电子园51单片机学习网%lb0?N&C+Fc*z
     case 3:
!G5Qyz/i43093     case 4:电子园51单片机学习网aVq0YU}LI
     case 5:
#K2k ?&YQ"hN43093     case 6:break;电子园51单片机学习网Nh Oq0E8_ d6^
     }电子园51单片机学习网iG `'@1{;f
 }电子园51单片机学习网v8e Mu p3L x

S3r ^`$F`43093 void lock(unsigned char cpu) {电子园51单片机学习网9_fw7SwZ
     unsigned char i;电子园51单片机学习网{-Uf4L-B!NAy]
     switch (cpu) {
sv:su g2s43093     case 1:    //89c51
9hFz HR43093     case 2:电子园51单片机学习网h;F;k.E X
         //lock 1
\,z^C9|8d&t E43093         rst="p26"=p36=p27=p37=1;nop();电子园51单片机学习网.e;l ]&r+w"Y\
         vpp="1";
DI g7FBiQG;sR43093         nop();
AZ6S(Fb#K43093         ale="0";
K y*_s3x8_,UA43093     //    for (i=0;i<6;i++) wait(100);电子园51单片机学习网/{0dW[Xj
         wait(1);
tp{#\ j}dxY$P&Y43093         ale="1";电子园51单片机学习网&O1~c-Aq2c'B
         nop();电子园51单片机学习网P/bHUKz0] Kmcd
         vpp="0";
)Yi\N~k,{8v(a8I43093         nop();电子园51单片机学习网6q Av'[d W;Zd
    电子园51单片机学习网&et?2\~(~+WH
         //lock 2电子园51单片机学习网SR%p S:sl(s
         rst="p26"=p27=1;p36=p37=0;nop();电子园51单片机学习网5Z~HS-?fJ
         vpp="1";
%c[-aX7at s43093         nop();
?$m4]7q/o43093         ale="0";
IUL5FO c43093     //    for (i=0;i<6;i++) wait(100);
Z Q)_+Pw43093         wait(1);
K!b$F:P$@]a43093         ale="1";电子园51单片机学习网4XZJ*F?SK%|{
         nop();电子园51单片机学习网%?SGO|
         vpp="0";电子园51单片机学习网#x&z5W&K%t)P;s%Vd2b
         nop();
cA(N5FI8_1D sOb!^9r2n43093        
NMKDD1l y43093         //lock 3电子园51单片机学习网| AG0cdJH
         rst="p26"=p36=1;p27=p37=0;nop();电子园51单片机学习网1a M!K q;d%K+X3X0y
         vpp="1";电子园51单片机学习网EN^#P ?4v!i
         nop();
tz6st4Z I DE43093         ale="0";
Z0mk9w!YS,O%g.aI43093     //    for (i=0;i<6;i++) wait(100);电子园51单片机学习网 FI9I`]w1sxh
         wait(1);
&Bk _'l3H6k0~.^XX43093         ale="1";电子园51单片机学习网!tq`Lr&GwmA%X5X
         nop();
rikL l4_43093         vpp="0";电子园51单片机学习网5_*u o(FF\/nnfU:X
         nop();电子园51单片机学习网w7D"H7e.jl7hQ+r
         break;
~GaR@k43093     case 3:
~D-o"}W(l4IJ/|43093     case 4:
V/X h+_*al43093     case 5:
t+Y5uv(J~43093     case 6:break;
)e&RQ Vb(z:n7nOS(B43093     }电子园51单片机学习网f_ M8C-@(v
 }电子园51单片机学习网 Gr#xKP!C

电子园51单片机学习网)d&R7S(n%xO0T

 void main(void) {电子园51单片机学习网F1Ob(j,ks,Ze
     unsigned char disp,flash,temp,cpu;
J qL#{,^ T |.{v43093     EA="1";
+P|0sp!Y7D/CiO43093     SCON="0xd8";PCON=0x80;
]q lkVu[43093     TMOD="0x21";电子园51单片机学习网 Osfs lN%A'I
     TL1=TH1=0xff;TR1=1;
]1{MXcp?43093     TH0=-100;ET0=TR0=1;电子园51单片机学习网&tc$g Q6\'aSF7_6^

电子园51单片机学习网"Z [|#W @ h1G q

     flash="0x80";电子园51单片机学习网#C x(Ggn-]A\r

电子园51单片机学习网TI z"j(`.Y

 

b[0tTo,eg4B1Y43093

{Vo'V4M/D:B43093
B?[O1\$gu;O43093     while (1) {
6Vso'K,{!\oAY43093         temp="command"();电子园51单片机学习网4Y:`/C yKa
         switch (temp) {电子园51单片机学习网2z!B"R`_/x
         case 0:电子园51单片机学习网Er0`PRk,R[{
         case 1:        //89c51
FZ-WSQ%N43093         case 2:        //89C52电子园51单片机学习网S!cW}/`-`a
         case 3:        //80f51
$G$c?*Ar;r8K43093         case 4:        //80F52
1p9mq%R;{G db+h3@j43093         case 5:        //87F51电子园51单片机学习网&j@sOOOjG
         case 6:cpu=temp;SBUF=temp;break;//87f52电子园51单片机学习网!P#c4kM,z'a
         case e:SBUF=temp;earsure(cpu);break;    //erasure电子园51单片机学习网DDj"{2d0p
         case p:SBUF=temp;program(cpu);break;    //program电子园51单片机学习网r0{ Aax:y!lc
         case l:lock(cpu);SBUF=temp;break;    //lock
]@ZgQEm~43093         default:SBUF=temp;break;
!Lm1d G"e'lF:D43093         }电子园51单片机学习网r]Z'j&vMno'R6?
         b_break=0;
2UPk4MBJrZ rV.K43093         if ((++disp)>flash) {disp=0;led=!led;}电子园51单片机学习网aAa/D+Ka Z2s&q~*mZ
     }电子园51单片机学习网;i8`Vv:s&{'a_]
 }
ZR;`hFRXS1P43093 //HT1380实时时钟驱动程序

a:} Us"@E6O-l1FXEl43093电子园51单片机学习网vcg/x P)Y.j]B

 sbit clock_dat=P0^1;
}n[Hx43093 sbit clock_clk=P0^2;电子园51单片机学习网.Q0pZ S)E ae*c8A9}
 sbit clock_rst=P0^3;

d1O8T"j8C*yB:V%\43093电子园51单片机学习网@ny1U/x"c8z

 sbit a0=ACC^0;
/WC)F"Q'P9G2j{%sZ43093 sbit a1=ACC^1;电子园51单片机学习网.U&`9Hoe
 sbit a2=ACC^2;
Og^D:g"z&O43093 sbit a3=ACC^3;
1J"f1cI@43093 sbit a4=ACC^4;电子园51单片机学习网Scr;ef9a+Z J-t
 sbit a5=ACC^5;
d3Zo.[pmnZ6w F43093 sbit a6=ACC^6;
Q? C q!d43093 sbit a7=ACC^7;

8kG*a2Pl O?-pn@43093

,g r1DLv S43093 void clock_out(unsigned char dd) {电子园51单片机学习网?+]-tvp
     ACC="dd";
'BDUM(t]'Sq!N j43093     clock_dat=a0;clock_clk=1;clock_clk=0;电子园51单片机学习网*MUU#bOD9i
     clock_dat=a1;clock_clk=1;clock_clk=0;
`]1Q h6xc F)HZN43093     clock_dat=a2;clock_clk=1;clock_clk=0;
;A?jF;E%n43093     clock_dat=a3;clock_clk=1;clock_clk=0;电子园51单片机学习网3_b)_;`]
     clock_dat=a4;clock_clk=1;clock_clk=0;
rFb!Dhf @QR43093     clock_dat=a5;clock_clk=1;clock_clk=0;电子园51单片机学习网K2F._"pOO%I2CR
     clock_dat=a6;clock_clk=1;clock_clk=0;
5CDm.q9c_.x(gU43093     clock_dat=a7;clock_clk=1;clock_clk=0;电子园51单片机学习网Fz ^(x z
 }
q'`v e4x7i43093 unsigned char clock_in(void) {电子园51单片机学习网7tvOmo3T
     clock_dat=1;电子园51单片机学习网(J%R,K"zx/s*_
     a0=clock_dat;
}3|;t2O]&b43093     clock_clk=1;clock_clk=0;a1=clock_dat;
Ph+P N I UnT&RK43093     clock_clk=1;clock_clk=0;a2=clock_dat;电子园51单片机学习网6a$E9k"X+g3v@lVb z
     clock_clk=1;clock_clk=0;a3=clock_dat;电子园51单片机学习网4j'R$x&p9h1vQ
     clock_clk=1;clock_clk=0;a4=clock_dat;
8m#zo)Ly+M%m0[\43093     clock_clk=1;clock_clk=0;a5=clock_dat;电子园51单片机学习网] O:c({b V OB7N0VA ] I
     clock_clk=1;clock_clk=0;a6=clock_dat;电子园51单片机学习网w3pg/~ChWu
     clock_clk=1;clock_clk=0;a7=clock_dat;电子园51单片机学习网 A*V d6?+W+d#{
     return(ACC);
9G#o@:r v(Y43093 }电子园51单片机学习网H"n`7[9_^O
 unsigned char read_clock(unsigned char ord) {电子园51单片机学习网m&]p'q?
     unsigned char dd="0";电子园51单片机学习网YIy.Q|s_
     clock_clk=0;电子园51单片机学习网0f U4t8`_;i7O
     clock_rst=0;电子园51单片机学习网x~,V+fx `J.o#z${
     clock_rst=1;
#B V)V ]AU W[%M43093     clock_out(ord);
D-^5qfr@!j#vR$Y43093     dd="clock"_in();电子园51单片机学习网 d L-rZ d_r/oS#@%_Q
     clock_rst=0;
I1Q.soWu5b7H"A7n AE43093     clock_clk=1;电子园51单片机学习网!p0\%pr4vq0v ])`1`
     return(dd);
:J8T0xN"w[9H N43093 }
9AS4x'X2}P a8gG3~W43093 void write_clock(unsigned char ord,unsigned char dd) {
9lO(?![&v!q4z Z43093     clock_clk=0;电子园51单片机学习网'm#J5U-W(IxF(z^6r2O
     clock_rst=0;电子园51单片机学习网RJ4{ b@f!n%T.i
     clock_rst=1;电子园51单片机学习网QXQ~p A
     clock_out(ord);
#I+N ^#Wd k43093     clock_out(dd);电子园51单片机学习网Q]~6RZi
     clock_rst=0;电子园51单片机学习网1U#`x+M5F!d+F%d
     clock_clk=1;电子园51单片机学习网8a _"s AF`$P/Lu
 }电子园51单片机学习网-sC2j&N6n H$x7X p
 /*单个汉字库字摸提取程序,tc2.0编译*/电子园51单片机学习网r ] b${"eR1sg#Q2G6[
 #i nclude "stdio.h"电子园51单片机学习网 Y*E |#cB \ gk5F`e
 #i nclude "dos.h"
v#E%B&?$H5Z43093 #i nclude "process.h"电子园51单片机学习网uh0T X/E8ePs
 #i nclude "string.h"电子园51单片机学习网9K*x*L3Y7]h"^t

EL-F-`.i(@43093电子园51单片机学习网M\l O8R R
 void main(void) {电子园51单片机学习网!l#M;lOpf9^Zi2?V
     long int num_bytes,qm,wm;
x2x6Uz(KWx1X?43093     unsigned char d,i,j,k,a[132],b[132];电子园51单片机学习网M B/drAI_UWs.[
     unsigned char * data;
#VRU-r ?+ZSq43093     unsigned char * hz;
q$r+mL(Gk43093     static unsigned  char dd[103];
m g?rEeS,z$[43093     FILE *fp;

UwH1s3i43093电子园51单片机学习网&vR/rg \o)E7{2q)z6W

     if ((fp=fopen("hzk16f","rb"))==NULL) {
K6?,l'ULT)MG43093         printf("can't open hzk16\n");电子园51单片机学习网M3E2Gi5\.](k#| Ur
         exit(1);电子园51单片机学习网C+{1y%B(zQYE&V3e
     }电子园51单片机学习网A7OD Fa*B%B'{
     clrscr();
mzhNnuox5r43093     while (1) {

5Uhv(| v Z+Z"o43093电子园51单片机学习网cA(_4_"nN

         data=(unsigned char *) malloc(33);
)p7F;tZJ'@43093         printf("please input:\n");电子园51单片机学习网W Trc Ou9C*n4s$~
         scanf("%s",dd);    /*输入一个汉字*/

7Qv+\t!_Y7C7C!n43093

"m B2N {ROud)X]43093         qm=* dd;        /*通过区位码计算其在hzk16f文件中的偏移地址*/电子园51单片机学习网3j G"p j VJ ^
         qm="qm-161";电子园51单片机学习网4lon[+W
         if (qm>87) exit(0);
k0Aka$[43093         wm=* (dd+1);电子园51单片机学习网+Nd4]#Li^O,I
         wm="wm-161";电子园51单片机学习网Q q}0Y,wN(h
         if (wm>94) exit(0);电子园51单片机学习网#K+`A)lt2z
         num_bytes=((long)qm*94+wm)*32;
w$b*l5T P P3v4nD43093         fseek(fp,num_bytes,SEEK_SET);电子园51单片机学习网o7sDia#O YZ}
         fgets(data,33,fp);电子园51单片机学习网@ sli p8?
         for (i=0;i<32;i++) b[i]=* data++;
u~7Z gBc.VN:~43093         for (i=0;i<32;i+=2) a[i/2]=b[i];电子园51单片机学习网+aZ(\On;i c6Z)D
         for (i=0;i<32;i+=2) a[i/2+16]=b[i+1];电子园51单片机学习网`TMr:V&u"Y
         for (i=8;i<16;i++) b[i]=a[i];电子园51单片机学习网N0Yd3sV1Jmd1k
         for (i=8;i<16;i++) a[i]=a[i+8];电子园51单片机学习网:E.HX#q5@
         for (i=8;i<16;i++) a[i+8]=b[i];

A HBY4Mg6k&@Y43093

)l O R#meU'Lw43093         /*转换,hzf16f在电脑的储存格式是以行为字节计算的,一般的lcd都采用以列为字节计算*/
aW/q1@w.yT43093         for (k=0;k<32;k+=8) {电子园51单片机学习网s G B:F(m
             for (j=0;j<8;j++) {
/Rq6p`*A43093                 d="0";
&~"SY"XU:ze$L43093                 for (i=0;i<8;i++) {电子园51单片机学习网8]%iz.A%c0Q
                     if (a[i+k]>=0x80) {电子园51单片机学习网:Q[ zc_7|
                         switch (i) {
'b E4u:`y&~Hw8F(m;Pk43093                         case 0:d+=1;break;
l3Y-`4N3M!R+If@#r5j*dS43093                         case 1:d+=2;break;电子园51单片机学习网 BP5\/f5aHu g5Kc
                         case 2:d+=4;break;
"z7A)H {ri5k Nm|&{43093                         case 3:d+=8;break;电子园51单片机学习网t$Y,iJ [hh-U+N
                         case 4:d+=0x10;break;
eJw4K({N%Q4X+GN0J43093                         case 5:d+=0x20;break;电子园51单片机学习网u g`U4y I8\#C@
                         case 6:d+=0x40;break;电子园51单片机学习网V"nV{*I? e7Cy
                         case 7:d+=0x80;break;电子园51单片机学习网J M:_i.kZ
                         }
}[ G i @*X{&}#~)C43093                     }
5X6uH@(m/X+Z jG C |43093                 }电子园51单片机学习网4V}h TJz)`
                 for (i=0;i<8;i++) a[i+k]<<=1;电子园51单片机学习网KVCL g L?3cG
                 b[j+k]=d;电子园51单片机学习网Y2X)kN5zU
             }电子园51单片机学习网Xb:a_Jj Ku
         }
X6? v^ Es V7p43093         clrscr();
%P,@ q#\$J6{Q43093         printf("/*%s:*/\n",dd);        /*输出0x00格式的16进制数*/电子园51单片机学习网 xs @;~nG
         for (k=0;k<32;k+=8) {
s?1p(o3Y+q]W43093             for (j=0;j<8;j++) printf("0x%x,",b[j+k]);电子园51单片机学习网 `ofs"nV rT_
             printf("\n");
:dN8{h;k8|b43093         }电子园51单片机学习网%VK!@ Y"Xx7@j
         getch();
w-m0PwF&FN%G$O43093     }电子园51单片机学习网:|i(y9I5de1G
 }电子园51单片机学习网WIY9u+Td_
 //按键扫描驱动程序

+OF:TM d43093

G6WK:v1r[-r\43093 unsigned char key,key_h,kpush;
*A5Bg1]-UXA43093 unsigned int key_l;

pt5kOiGr43093电子园51单片机学习网 u-IC&b;}'UH

 //按键连接到p1.0、p1.1、p1.2电子园51单片机学习网2jzS#B9a!v,_@t

电子园51单片机学习网;B/QB T,t ^I

 void int_t0(void) interrupt 1 {
4BOAT9YP43093     unsigned char dd,i;
z,^eMOy43093     TL0=TL0+30;TH0=0xfb;    //800
6k |'_d0s#[[e3C43093     /*    按键判别    */电子园51单片机学习网_9q*jPq8?'u(V
     if ((P1&0x7)==0x7) {电子园51单片机学习网.yW#?W%Px-Qz
         if ((key_l>30)&&(key_l<800)&&(key_h>30)) {       电子园51单片机学习网k&q7V,s0h
 //释放按键,如果之前按键时间少于1秒,读入键值电子园51单片机学习网%lOgAOj&[(v
             key="kpush";电子园51单片机学习网0P L;[y9N t
         }
#u1d9l uIO2d43093         if ((++key_h)>200) key_h=200;电子园51单片机学习网:^ H-V1d'R
         key_l=0;电子园51单片机学习网5Sj8^8QH4b'N
         if (key>=0x80) key="0";                           
8@+Dr9@?r*C43093 //如果之前的按键为长按1秒,清除键值
Q&n N%fjgW43093     } else {电子园51单片机学习网 R\e},FFH
         kpush="P1"&0x7;电子园51单片机学习网V!`E+g6\:_z i+O
         key_l++;电子园51单片机学习网 Oe.YZ#z8MZ
         if ((key_l>800)&&(key_h>30)) {                   电子园51单片机学习网] i*r(R|#\0e3Lh
 //如果按键超过1秒,键值加0x80标志长按键电子园51单片机学习网,S MOQ9Z@
             key="kpush|0x80";电子园51单片机学习网/r,|m v"wZ+H
             key_h=0;
qI-NI)fh3y&]43093             key_l=0;
8`B @&A p\x43093         }电子园51单片机学习网Woq!CoY6}I
     }
*z4F&V+u%S43093 }
*vjOE`X43093 void main(void) {
!gAgC%V)T43093     TMOD="0x1";TR0=1;ET0=1;EA=1;电子园51单片机学习网k'VCB(Bc }
     while (1) {
vo&tbi"B1j43093         while (!key) {}电子园51单片机学习网A0|,qW:UIO
         switch (key) {电子园51单片机学习网+pJ(ii/j^
         case 1:break;电子园51单片机学习网 z b dh\\
         case 2:break;
tRagpd5^ C*w43093         }
OdN0lCP | S:icr43093     }
y2XHV N#_/D ?8i43093 //串行驱动led显示,
A]2o)Jt E%Q43093 //一个74hc595位移寄存器驱动三极管驱动led位,电子园51单片机学习网#g#@Bd:F"^
 //两个74hc595驱动led段,方式位5位x8段x2=10个数码管电子园51单片机学习网/C'm,y R1wgK9B4R9tf
 //5分频,每次扫描时间位1.25ms电子园51单片机学习网4NZ/_ VG _

电子园51单片机学习网!p#`!T]zyW-`,q+M3i

电子园51单片机学习网O Sd4B;zg
 //定义特殊符号

Eq ] s x(T43093电子园51单片机学习网P"H |4i+^"~R$gi

 #define nul 0xf
.i,k5W^-F43093 #define qc 0xc电子园51单片机学习网 Z%aC/p,C-w#vf0E
 #define qb 0xb
(p"]2jH#W(H}9f43093 #define q_ 0xa
Vp*Y"J#i`43093 #define q__ 0xd电子园51单片机学习网q+c]E,G.rF
 #define q___ 0xe电子园51单片机学习网\J_0`;x;G
 #define qp 0x10
A8r5g'Sw43093 #define qe 0x11电子园51单片机学习网)Y/} Myt,O(S X!~y
 #define qj 0x12电子园51单片机学习网PL~-av1dt
 #define qn 0x13电子园51单片机学习网o enA?6wJ5E
 #define qf 0x14
#TP{d`43093 #define qa 0x15电子园51单片机学习网8W(gwJ:BQ
 #define qr 0x16电子园51单片机学习网@U:{o{R
 #define qd 0x17电子园51单片机学习网;_B:G-r7Z-rq+|o
 #define qu 0x18
yQ dn#Wv2i2g4G43093 #define ql 0x19
Isw|9~$Bq7|V:r[43093 #define qh 0x1a电子园51单片机学习网WS(P z._0d M4Z)v7w6~&?
 #define qwen 0x1b
;m ShAX |N43093 #define qt 0x1c电子园51单片机学习网s P ~(V@;W)g7{ \
 #define qla 0x1d电子园51单片机学习网Rl-g$II|:C
 #define qlb 0x1e
ijT2Q5U43093 #define qlc 0x1f电子园51单片机学习网?(Nt|!u
 #define qld 0x20
l$o;k*WV4a4A43093 #define qle 0x21
y?9^z)d b43093 #define qlf 0x22
&C_m'f]T43093 #define qlg 0x23电子园51单片机学习网H.p:u4Md*G
 #define qldp 0x24电子园51单片机学习网;bN#W6n b/{ T9l p

电子园51单片机学习网![ d;tbP\}


6@.v%ck6P;EO:d43093 //显示段信息,不同led排列组合的段信息只需更改8个数值即可。
DC~f!D43093 //因此,该定义具有通用性。

J |6m|ssY2m43093电子园51单片机学习网,y'\IL0Gev

 //    显示   
D?%~2}r)k d43093 //        -d 20电子园51单片机学习网[ Ld*gMw
 //    |c 40    |e 10电子园51单片机学习网#b#Y9Dm.Ff
 //        - g        80       
p(o)zF!qE~%h z43093 //    |b 2    |f 4电子园51单片机学习网IPH A*t1PhD%ST
 //        _a1    .dp 8电子园51单片机学习网uFu3E7O }
 #define pa 1电子园51单片机学习网'Kl!|/~-\9e
 #define pb 2电子园51单片机学习网#A^ d,rXn
 #define pc 0x40
xS(px"T4} H43093 #define pd 0x20
E d8cN(^Z NI O43093 #define pe 0x10电子园51单片机学习网3?&HP7VmZi
 #define pf 4电子园51单片机学习网 l\ h5P1kjq
 #define pg 0x80
G8R#x)F'A7G+Avin }43093 #define pdp 8电子园51单片机学习网L)~#UPG-}!e

电子园51单片机学习网8N't^ Jw

 //--------------
-BQr e2|w8y43093 #define l0 pdp+pg
4GF.cD-\g4Y/a43093 #define l1 255-pf-pe
/P_7vk6y&B9X;w43093 #define l2 pdp+pc+pf电子园51单片机学习网 KSC8l)L?.kQ
 #define l3 pdp+pc+pb
C k.w@!k2b!A43093 #define l4 pdp+pa+pb+pd电子园51单片机学习网-y b$tvl)mq B6\1x
 #define l5 pdp+pb+pe
B @ B0g J\#vP43093 #define l6 pdp+pe
.[*d[b}"@5y43093 #define l7 pdp+pc+pg+pb+pa
Paq3g*O@5c43093 #define l8 pdp
*f*F#tKi){43093 #define l9 pdp+pb
;j6f2R$P0f5|y9m:I.r43093 #define la pdp+pa
.w4bjy'hjN43093 #define lb pdp+pd+pe
dA'SE \43093 #define lc pdp+pg+pe+pf
7},IpU u5r8y"T43093 #define ld pdp+pc+pd
"hP(@_d gt['f43093 #define le pdp+pe+pf
Z@ E&L LA#s%z)k/r43093 #define lf pdp+pe+pf+pa
Hmw7[ UJTu43093 #define l_ 255-pg电子园51单片机学习网B:d]n6i
 #define lnul 255
I3U otE&E7Fn9Z^43093 #define ll pdp+pg+pd+pf+pe
4d2_!W&? D3V:@ Jo43093 #define lp pdp+pa+pf电子园51单片机学习网Y7q4x{ u7]
 #define lt pdp+pd+pe+pf电子园51单片机学习网8D2?V8^B}
 #define lr pdp+pe+pf+pg+pa电子园51单片机学习网^bCUJQ uE
 #define ln pdp+pg+pa
C!K7`Oq2O_7U:N43093 #define lh pdp+pd+pe+pa电子园51单片机学习网 X8dr@7g0mZ
 #define ly pdp+pb+pd电子园51单片机学习网3wT5To.l,NBqp
 #define lu pdp+pg+pd
`E)H|6C43093 #define l__ pdp+pg+pb+pc+pe+pf电子园51单片机学习网/` i L Jhj
 #define l___ l__-pg电子园51单片机学习网O"R{q~8XA+M(D
 #define l_1 255-pa电子园51单片机学习网V H/]#B.Y
 #define l_2 255-pa-pg电子园51单片机学习网BcF_/O4^M
 #define lj 255-(pe+pf+pa)电子园51单片机学习网jup9R;DsHk
 #define lwen 255-(pd+pe+pg+pb)电子园51单片机学习网hG ~.H1lf O
 #define lall 0

?e:bkL Y43093

5BSmG3^7e+bRk43093
Ifd m-d43093 #define lla 255-pa
G |4l'v%KlQ oa7u43093 #define llb 255-pb
n!g~d^.X I5i43093 #define llc 255-pc电子园51单片机学习网Kt(w9^2G|*M4y;m#K
 #define lld 255-pd
"ma1r_4]zq?43093 #define lle 255-pe
m WnMP+}3QLt43093 #define llf 255-pf电子园51单片机学习网*AL?[!C.wR
 #define llg 255-pg电子园51单片机学习网#]T(pF G*R q
 #define lldp 255-pdp电子园51单片机学习网/h&? j,pp

*C%V CA9NI,[R(yb/s43093电子园51单片机学习网0U*@4^ F$C7a
 //串行送出的位信息,目前是10位led显示。电子园51单片机学习网)yc~fC,A2Ouu:C9W
 unsigned char code un_dig[]={0x7f,0xbf,0xdf,0xef,0xf7,0xfb};
chB`sok~1F6X43093 //串行送出的短信息。
/uI8M6t)e43093 unsigned char code电子园51单片机学习网)P0X5F t k-i*Sp
 un_disp[]={l0,l1,l2,l3,l4,l5,l6,l7,l8,l9,l_,lb,lc,l__,l___,lnul,lp,le,lj,ln,lf,la,lr,ld,lu,
W9IB'p(U QH43093 ll,lh,lwen,lt,lla,llb,llc,lld,lle,llf,llg,lldp,lnul};电子园51单片机学习网 A!P%_]^Dwo

%H+k.L*W%uw*l]2m43093 电子园51单片机学习网xJC|D(p:s

电子园51单片机学习网zk HAx U$v

电子园51单片机学习网7W FWJo!nZy
 sbit d_clk=P0^0;        //移位时钟
R,W1n%iH6g43093 sbit d_dat=P0^1;        //移位数据电子园51单片机学习网+A-`HS*gy3a)i[
 sbit d_st=P0^2;            //移位锁定

uC&c!SL A&T43093电子园51单片机学习网 YtmQ*zR


#f*VV)f N{ G A43093 unsigned char dig;            //位扫描计数器电子园51单片机学习网U!P&x(sb9Q[Z?3t/x
 unsigned char d[10];                            //显示缓冲

0Zs |3R3\NP43093

+IsL-Y'b43093 //送出8位串行数据
Ws;r&? `5?8b;F43093 void out_disp(unsigned char dd) {电子园51单片机学习网r|QhV
     unsigned char i;电子园51单片机学习网_}c'o(c6fa
     for (i=0;i<8;i++) {电子园51单片机学习网+o\U }vO&`
         if (dd&1) d_dat=1; else d_dat=0;电子园51单片机学习网}"\3oHZ {h
         d_clk=0;电子园51单片机学习网5S(]&w!}&cC
         dd>>=1;
"J0gvcX7D43093         d_clk=1;
,G [\} M'Q43093     }电子园51单片机学习网(?D$j^J Irt.c
 }
8q/rd/t G8ZN43093 //控制小数点和闪烁,显示数据|0x040表示有小数点;显示数据|0x80表示闪烁。
?;@s Xti4i9j7^i43093 void out_displ(unsigned char dd) {电子园51单片机学习网;A%J({5U/gI e$FA z|
     if (dd>=0x80) {
J9E4} fy2i e+wf'JD*}43093         if (s001>flash_time) {out_disp(0xff);return;}电子园51单片机学习网V1F6A]B$Az ^W Loi
     }电子园51单片机学习网sL~gcUr
     dd&=0x7f;电子园51单片机学习网Vp9bxgF"R d
     if (dd>=0x40) {
2O~)BG)CDruJ43093         dd="un"_disp[dd&0x3f]^pdp;
8d)zr1M1aU`h7S43093     } else dd="un"_disp[dd];电子园51单片机学习网ph8k+[.}w;Uu
     out_disp(dd);
py8Z@ h43093 }

pTM UK$BmJp43093

'G5w]1xDU:C;@vJ.CK43093 

&J:b~ @ Gt7mome43093电子园51单片机学习网 U)kx9c7A.e

 电子园51单片机学习网7Qcd6FC*XW/c8UU1g

电子园51单片机学习网L Oak|}0R-T;F

 unsigned int s001;    //闪烁时间参考
l0l6X&M+P6w"U&j43093 void int_t0(void) interrupt 1 {电子园51单片机学习网 }"d$X*Y Uj
     unsigned char dd;电子园51单片机学习网.C!w l7O ]ALw
     TL0=TL0+30;TH0=0xfb;    //800电子园51单片机学习网|%@6k)o Wxx;I
     time++;
*t!t} g2`|`43093     if ((++s001)>=800) s001=0;
PS-Y:Yj7Qi Ud43093     //    显示   
1][&Q5v n{;dm(]b43093     if ((++dig)>4) dig="0";电子园51单片机学习网3u+D i]'k(CLuz0O
     d_st=0;电子园51单片机学习网"?1?h8G`.y.b ]~
     dd="d"[dig+5];电子园51单片机学习网B_P%M;kg"e7x
     out_displ(dd);
y-pko:T'V1[$_*^n43093     dd="d"[dig];
no$V}"v/fY0W43093     out_displ(dd);电子园51单片机学习网sq Yd2j?%Tyx
     out_disp(un_dig[dig]);
U-SB)v v0g_43093     d_st=1;
5]b;B(_ K,dH!c Q Q43093 }电子园51单片机学习网8DX0FxtMr
 void main(void) {
zfTZ/w43093     unsigned char i;
YJK9aXMj43093     TMOD="0x1";电子园51单片机学习网lO7R7x|I2\8DI
     TR0=ET0=1;电子园51单片机学习网 r3c-X~u&o'B/xd
     EA="1";
yNJ l F43093     for (i=0;i<10;i++) d[i]=i;    //display test
uHhq7d43093     while (1) {}电子园51单片机学习网1U J)r*h5n,KA3[
 }

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