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<H1 class=xspace-title>无线收发模块PTR8000发送程序</H1>
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<DIV class=xspace-itemmessage id=xspace-showmessage><SPAN
style="DISPLAY: none">中国电子开发网Zg)w@g{T</SPAN>
<P>开发硬件平台：新华龙增强型单片机C8051开发板、无线模块PTR8000<SPAN
style="DISPLAY: none">中国电子开发网,{I7R)b8R'y m(^ ~</SPAN><BR>开发软件平台：KeilC51<SPAN
style="DISPLAY: none">中国电子开发网1g]{6A4c |</SPAN></P>
<P><SPAN style="DISPLAY: none">g$@%F2og.o M7}0</SPAN>// Header:
PTR8000模块发射程序<SPAN style="DISPLAY: none">中国电子开发网6Mg1wG5UG`</SPAN><BR>// File
Name: send.c <SPAN style="DISPLAY: none">中国电子开发网w.UDnV)H</SPAN><BR>//
Author: Liu Jianhua<SPAN style="DISPLAY: none">中国电子开发网
zUl2^+v9`6^</SPAN><BR>// Date: 2006-07-14<SPAN style="DISPLAY: none">中国电子开发网F
Md Y @;tC?:p@</SPAN><BR><BR><SPAN style="DISPLAY: none">~ q d ]:o6w(f
`0{_0</SPAN>#include "c8051f000.h" <BR><SPAN style="DISPLAY: none">3U-o2ZkmQ
W0</SPAN>#include "intrins.h" <BR><SPAN
style="DISPLAY: none">wos4S$x$?,\7X&`0</SPAN>#define uchar unsigned
char
<BR><SPAN style="DISPLAY: none"> L\@-N Q$C0</SPAN>sbit LED =
P1^6; //指示信号<BR><SPAN
style="DISPLAY: none">b9g+g*r1g#K0</SPAN>sbit SCK = P0^0;<BR><SPAN
style="DISPLAY: none">1g D8v0i H3Z0</SPAN>sbit MISO= P0^1;<BR><SPAN
style="DISPLAY: none">[ _"a"D L.Q}h pgB0</SPAN>sbit MOSI= P0^2;<SPAN
style="DISPLAY: none">中国电子开发网&YU,}@_s5r%Z Q</SPAN><BR>sbit DR =
P0^4; //数据就绪输出<SPAN
style="DISPLAY: none">中国电子开发网h`_Rm"w)h8n0I</SPAN><BR>sbit CSN =
P0^5; //SPI使能<SPAN style="DISPLAY: none">中国电子开发网&l$y
t BR(Xo L [</SPAN><BR>sbit CD = P0^6;
//载波检测输出<SPAN style="DISPLAY: none">中国电子开发网}'q'U:`5_vRYs3G*s
^#w</SPAN><BR>sbit AM = P0^7; //地址匹配输出<SPAN
style="DISPLAY: none">中国电子开发网IQ8r-U%l#ED</SPAN><BR>sbit PWR =
P1^0; //Power Down 模式<BR><SPAN
style="DISPLAY: none">'RCjX+o B3}4^0</SPAN>sbit
uPCLK=P1^1; //时钟分频输出<SPAN
style="DISPLAY: none">中国电子开发网;J}4l8Z/`_ J De</SPAN><BR>sbit TX_EN=
P1^2; //‘1’发射模式 ‘0’接收模式<BR><SPAN
style="DISPLAY: none">*b w*j5A\r3k0</SPAN>sbit TRX_CE=P1^3;
//使能发射/接收模式<SPAN style="DISPLAY: none">中国电子开发网 _ ^"`$u8Y</SPAN><BR><SPAN
style="DISPLAY: none">中国电子开发网2zEf(`{y-L</SPAN><BR>void Delay(uchar
x)<BR><SPAN style="DISPLAY: none">0~D8A w2pC0</SPAN>{ uchar i;<SPAN
style="DISPLAY: none">中国电子开发网i yu;m_)N</SPAN><BR>
for(i=0;i<x;i++)<BR><SPAN
style="DISPLAY: none">M%kM&x1kni-Y%I X0</SPAN> {<SPAN
style="DISPLAY: none">中国电子开发网E/f3["d0L)f+C/g?</SPAN><BR>
_nop_();<BR><SPAN style="DISPLAY: none">p1T-i1Sg0</SPAN>
}<SPAN style="DISPLAY: none">中国电子开发网]1~4S#P"T</SPAN><BR>}<SPAN
style="DISPLAY: none">中国电子开发网 V#Pl9B5Rh3g{</SPAN><BR><BR><SPAN
style="DISPLAY: none">if {uMy b0</SPAN>void SYSCLK_Init (void)<SPAN
style="DISPLAY: none">中国电子开发网5J B4i1T O%y g D \:a</SPAN><BR>{ SCICN =
0x17;
//内部时钟 16MHZ<SPAN style="DISPLAY: none">中国电子开发网*W.Yt|3EvD</SPAN><BR>}<SPAN
style="DISPLAY: none">中国电子开发网H6|+C s?</SPAN><BR><SPAN
style="DISPLAY: none">中国电子开发网+QRz0@+v lu</SPAN><BR>void PORT_Init
(void)<BR><SPAN style="DISPLAY: none">`AM@1F0r0</SPAN>{
XBR2 =
0x40;
//交叉开关使能，弱上拉使能<BR><SPAN style="DISPLAY: none"> { ze#{"E^0</SPAN>
PRT0CF |=
0x2D;
//SCK、MOSI、CSN推挽输出 <BR><SPAN style="DISPLAY: none"> k&y-| a
S.{7J,O Kd0</SPAN> PRT1CF |= 0xFF;<BR><SPAN
style="DISPLAY: none">)Af+FG%AwvL&Q0</SPAN> PRT2CF |=
0xFF;<BR><SPAN style="DISPLAY: none">)f_d U(rQ^0</SPAN>}<SPAN
style="DISPLAY: none">中国电子开发网:Ww~ r;Rr&j6u</SPAN><BR><BR><SPAN
style="DISPLAY: none">7hKh%tNl P0</SPAN>void SpiWrite(unsigned char
b)<BR><SPAN style="DISPLAY: none">$Z;](@Z0ccb0</SPAN>{ unsigned char
i=8;<SPAN style="DISPLAY: none">中国电子开发网1sJd0h v0G K*a
U</SPAN><BR> while (i--)<BR><SPAN
style="DISPLAY: none">X_L-]$O$~$T I%O0</SPAN> {<BR><SPAN
style="DISPLAY: none">F4?y6J#p)h:Kp0</SPAN>
Delay(10);<BR><SPAN
style="DISPLAY: none">K/C#B7ly;y)Aq2Ze0</SPAN>
SCK=0;<SPAN
style="DISPLAY: none">中国电子开发网l D$j$b1UYPE</SPAN><BR>
MOSI=(bit)(b&0x80);<SPAN
style="DISPLAY: none">中国电子开发网(f:{T `.L{&J+l</SPAN><BR>
b<<=1 ; <SPAN
style="DISPLAY: none">中国电子开发网w s&DLx&lH _ P</SPAN><BR>
Delay(10);<BR><SPAN
style="DISPLAY: none">"`)k!Z%I(X!c)hq0</SPAN>
SCK=1; <SPAN style="DISPLAY: none">中国电子开发网"Ni rHQ?o*Uj
t</SPAN><BR> Delay(10);<BR><SPAN
style="DISPLAY: none">7KK y mJz U+o$?0</SPAN>
SCK=0;<SPAN
style="DISPLAY: none">中国电子开发网 \M&I8yg8b</SPAN><BR>
}<BR><SPAN style="DISPLAY: none">3O g)F%d6nQ0</SPAN>
SCK=0;<SPAN style="DISPLAY: none">中国电子开发网1i$u&B _j9o BB
B</SPAN><BR>}<BR><SPAN style="DISPLAY: none">d4p-Y"v
C3Z&UW0</SPAN><BR><SPAN
style="DISPLAY: none">x9k2|N,Y[-I0</SPAN>unsigned char SpiRead(void)<SPAN
style="DISPLAY: none">中国电子开发网1D H{5{Psv8l-v</SPAN><BR>{ register
unsigned char i=8;<BR><SPAN style="DISPLAY: none">;b
G,L9|s-WUo0</SPAN> unsigned char ddata=0;<BR><SPAN
style="DISPLAY: none"> O@Yw)_'a k0</SPAN> while (i--)<SPAN
style="DISPLAY: none">中国电子开发网fV/K;|,r-[X</SPAN><BR>
{<BR><SPAN style="DISPLAY: none">!M#S
w5r.KsT0</SPAN> ddata<<=1
;<BR><SPAN
style="DISPLAY: none"> u-B%|b)rS0</SPAN>
SCK=0;<BR><SPAN
style="DISPLAY: none">[3\l.@'qk$pRSb&s0</SPAN>
Delay(20);<SPAN
style="DISPLAY: none">中国电子开发网0sk Qb{8i ~</SPAN><BR>
ddata|=MISO;<SPAN style="DISPLAY: none">中国电子开发网"jH `U
m;O&hJ</SPAN><BR> SCK=1
;<BR><SPAN style="DISPLAY: none">r1C}
L.a0</SPAN> Delay(20);<BR><SPAN
style="DISPLAY: none">qI+n!H1z'F0</SPAN> }<SPAN
style="DISPLAY: none">中国电子开发网1x,mC:NQ.ia</SPAN><BR>
SCK=0;<SPAN style="DISPLAY: none">中国电子开发网3Rky#w
ZQ</SPAN><BR> return ddata;<BR><SPAN
style="DISPLAY: none">bXRe6V3P1ek4K0</SPAN>}<BR><SPAN
style="DISPLAY: none">Q'A~*VXNF2o4Y*^0</SPAN><SPAN
style="DISPLAY: none">中国电子开发网)S%zQcC g*H</SPAN><BR>void
Config905(void) //配置nRF905
<BR><SPAN style="DISPLAY: none">"L$|T F S Na0</SPAN>{
CSN=1;<BR><SPAN style="DISPLAY: none">S L+^P AJp x0</SPAN>
SCK=0;<BR><SPAN
style="DISPLAY: none">]8V7b:W-X*H8dLZ0</SPAN> PWR=1;<SPAN
style="DISPLAY: none">中国电子开发网 I] ~ z0o k[&~</SPAN><BR>
TRX_CE=0;<BR><SPAN style="DISPLAY: none">R*|$Y
I'm+p)nLD0</SPAN> TX_EN=0;<BR><SPAN
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