📄 x5045.c源程序.htm
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class=style7>型号：WS803/WS808<BR></SPAN><A
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<TD width="39%" bgColor=#ffffff><SPAN
class=style1><SPAN
class=style14><STRONG>普及型</STRONG></SPAN><STRONG><SPAN
class=style13>WS803：</SPAN></STRONG></SPAN><U><U><SPAN
class=style1>￥138元/套</SPAN></U></U><A
href="http://www.qlmcu.com/wz_tw/ReadNews.asp?NewsID=388"><U><BR>▲51学习实验板，编程器，下载线三合一<SPAN
class=style1><BR></SPAN>▲源程序源代码，学习资料,网上老师<BR>▲性能卓越，价格低廉，物超所值</U></A><U>
<SPAN class=style1><BR></SPAN></U><SPAN
class=style12><SPAN
class=style13><STRONG>加强型WS808：</STRONG></SPAN></SPAN><U><SPAN
class=style1>￥185元/套</SPAN><BR></U><SPAN
class=style8><A
href="http://www.qlmcu.com/wz_tw/ReadNews.asp?NewsID=1185"><U>实现与任何51编译器或仿真无缝连接<BR>编译成功直接进入调试无须手工切换界面</U></A><BR><SPAN
class=style1><STRONG>学习 <SPAN
class=style15>+</SPAN> 开发 <SPAN
class=style4>+</SPAN>
生产</STRONG></SPAN><BR></SPAN>
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<TD vAlign=top width="21%"
bgColor=#ffffff><STRONG><SPAN
class=style7>型号：</SPAN>WS810</STRONG><BR><A
href="http://www.qlmcu.com/wz_tw/ReadNews.asp?NewsID=1207"><IMG
src="X5045.c源程序.files/ws810x.jpg" border=0></A>
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<TD vAlign=top width="18%"
bgColor=#ffffff>▲批量编程烧写<BR>▲在线编程烧写<BR>▲在线下载调试<BR><A
class=style15
href="http://www.qlmcu.com/wz_tw/ReadNews.asp?NewsID=1192"><U>实现与任何51编译器或仿真无缝连接
使用说明</U> </A><U><SPAN
class=style1>￥225元<BR><BR></SPAN></U><SPAN
class=style1><STRONG>实验<SPAN
class=style15>+</SPAN>开发<SPAN
class=style4>+</SPAN>生产</STRONG></SPAN><U><SPAN
class=style1> <A
href="http://www.qlmcu.com/wz_tw/ReadNews.asp?NewsID=1185"><BR></A></SPAN></U></TD></TR></TBODY></TABLE><FONT
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<TD width="18%"><SPAN
class=style14>可烧写器件有：</SPAN><BR>AT89C51
AT89C52<BR>AT89C55
AT89C1051<BR>AT89C2051
AT89C4051<BR>AT89S51
AT89S52<BR>AT89S53 <A
class=style6
href="http://www.qlmcu.com/wz_tw/ReadNews.asp?NewsID=389">
</A>AT89S8252<BR>AT89LS51
AT89LS52<BR>AT89LS53 AT89LS8252<A
class=style6
href="http://www.qlmcu.com/wz_tw/ReadNews.asp?NewsID=389"><U></U></A><A
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<SCRIPT language=javascript src=""></SCRIPT>
</TD></TR></TBODY></TABLE>//#include
<reg52.h><BR>//#include
<stdio.h><BR>//下面是我正在用的没有问题。<BR>sbit
SO=P2^2;<BR>sbit SI=P2^1;<BR>sbit SCK=P2^0;<BR>sbit
CS=P3^6;<BR><BR>//25045可编程看门狗监控EEPROM指令集<BR>#define WREN
0x06; 00000110 //设置写使能锁存器（允许写操作)<BR>#define WRDI 0x04;
00000100 //复位写使能锁存器（禁止写操作）<BR>#define RDSR 0x05;
00000101 //读状态寄存器<BR>#define WRSR 0x01; 00000001
//写状态寄存器（块锁定）<BR>#define READ 0x03; 00000011
//从开始于所选地址的存储器列阵中读出数据<BR>#define WRTE 0x02; 00000010
//把数据写入开始于所选地址的存储器阵列中（1至4字<BR>节）<BR><BR>void
in_byte(unsigned char BYT);<BR>unsigned char
out_byte(void);<BR>unsigned char rdsr_dog(void);<BR>void
wrsr_dog(unsigned char status_reg);<BR>unsigned char
wip_poll(void);<BR>void wrdi_dog(void);<BR>void
rest_dog(void);<BR>unsigned char byte_read(unsigned char
H,unsigned char L);<BR>void byte_write(unsigned char
H,unsigned char L,unsigned char D);<BR>//void
page_read(unsigned char H,unsigned char L,unsigned char
D);<BR>//void page_write(unsigned char H,unsigned char
L,unsigned char D);<BR><BR>unsigned char
rda[8];<BR>unsigned char cs_rda[8];
<BR>//看门狗写使能子程序<BR>void wren_dog(void)<BR>{<BR>//
unsigned char com;<BR>//
com=0x06;//WREN;<BR>SCK=0;<BR>CS=0;<BR>in_byte(0x06);<BR>SCK=0;<BR>CS=1;<BR>}<BR><BR>//看门狗写禁止子程序<BR>void
wrdi_dog(void)<BR>{<BR>//unsigned char
com;<BR>//com=0x04;//WRDI;<BR>SCK=0;<BR>CS=0;<BR>in_byte(0x04);<BR>SCK=0;<BR>CS=1;<BR><BR>}<BR><BR><BR><BR>//写状态寄存器<BR>void
wrsr_dog(unsigned char status_reg)<BR>{<BR>// unsigned
char
com=0x01;//WRSR;<BR>SCK=0;<BR>CS=0;<BR>in_byte(0x01);<BR>in_byte(status_reg);<BR>SCK=0;<BR>CS=1;<BR>wip_poll();<BR>}<BR><BR><BR>//读状态寄存器<BR>unsigned
char rdsr_dog(void)<BR>{<BR>// unsigned char
com=0x05;//RDSR;<BR>SCK=0;<BR>CS=0;<BR>in_byte(0x05);<BR>return(out_byte());<BR>SCK=0;<BR>CS=1;<BR>}<BR><BR>//字节读<BR>unsigned
char byte_read(unsigned char H,unsigned char
L)<BR>{<BR>unsigned char
data_dog,add;<BR>SCK=0;<BR>CS=0;<BR>SO=1;<BR>SI=1;<BR>add=H<<3;<BR>add|=0x03;//READ;<BR>in_byte(add);<BR>add=L;<BR>in_byte(add);<BR>data_dog=out_byte();<BR>SCK=0;<BR>CS=1;<BR>return(data_dog);<BR>}<BR>//字节写<BR>//H,地址高字节；L地址低字节；D写入的数据<BR>void
byte_write(unsigned char H,unsigned char L,unsigned char
D)<BR>{<BR>unsigned char
data_dog,add;<BR>SCK=0;<BR>CS=0;<BR>SO=1;<BR>SI=1;<BR>add=H<<3;<BR>add|=0x02;//WRTE;<BR>in_byte(add);<BR>add=L;<BR>in_byte(add);<BR>data_dog=D;<BR>in_byte(data_dog);<BR>CS=1;<BR>wip_poll();<BR>}<BR>//复位看门狗子程序<BR>void
rest_dog(void)<BR>{<BR>CS=0;<BR>CS=1;<BR>}<BR><BR><BR>//检验写操作是否结束。<BR>unsigned
char wip_poll(void)<BR>{<BR>unsigned char i;<BR>unsigned
char wip;<BR>for(i=0xff;i>=1;i--)
<BR>{<BR>wip=rdsr_dog();<BR>wip&=0x01;<BR>if(wip==0)
break;<BR>}<BR>return(wip);<BR><BR>}<BR><BR>//单字节指令或数据写入X25045<BR>//在SI线上输入的数据在SCK的上升沿被锁存。<BR>void
in_byte(unsigned char byt)<BR>{<BR>unsigned char
i;<BR>//SCK=0;<BR>//CS=0;<BR>for(i=8;i>=1;i--)<BR>{<BR>SCK=0;
<BR>SI=byt&0x80; <BR>SCK=1; <BR>byt=byt<<1;
<BR>}<BR>// SI=0;<BR>// SCK=0;<BR>//
CS=1;<BR>}<BR><BR>//单字节数据从X25045读到单片机<BR>//数据由SCK的下降沿输出到SO线上。<BR>unsigned
char out_byte(void)<BR>{<BR>unsigned char i;<BR>unsigned
char
byt;<BR>//SO=1;<BR>//SCK=0;<BR>//CS=0;<BR>for(i=8;i>=1;i--)<BR>{<BR>byt=byt<<1;<BR>SCK=1;<BR>SCK=0;
<BR>byt|=SO; <BR><BR>}<BR>//SCK=0;<BR>//CS=1;<BR>return
(byt);<BR>}<BR><BR><BR><BR>
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<TD align=middle width="100%">加入时间：2005年2月3日
共有<STRONG>270</STRONG>位读者阅读过此文
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