strings.html

PKE（被动无钥门禁系统

<DT><B>Example:</B><DD><CODE><TABLE BORDER="0"><TR>	<TD><CODE>&nbsp;</CODE></TD>
	<TD><CODE><FONT COLOR="#0000FF"><B>lfsr&nbsp;</B></FONT></CODE></TD>
	<TD><CODE><FONT COLOR="#AA22AA">FSR2,StringBuffer&nbsp;</FONT></CODE></TD>
</TR><TR>	<TD><CODE>&nbsp;</CODE></TD>
	<TD><CODE><FONT COLOR="#0000FF"><B>lfsr&nbsp;</B></FONT></CODE></TD>
	<TD><CODE><FONT COLOR="#AA22AA">FSR1,Append&nbsp;</FONT></CODE></TD>
</TR><TR>	<TD><CODE>&nbsp;</CODE></TD>
	<TD><CODE><FONT COLOR="#0000FF"><B>call&nbsp;</B></FONT></CODE></TD>
	<TD><CODE><FONT COLOR="#AA22AA">String.Append&nbsp;</FONT></CODE></TD>
</TR></TABLE></CODE></DD></DL>
</DD>
<DD><DL>
<DT><B>Description:</B><DD>
		This appends the string stored at Append in RAM, at the end of a StringBuffer.

</DD></DL>
</DD>
</DL>
<HR>
<A NAME="String.Char2String"></A><H3>
String.Char2String</H3>
<PRE>
&nbsp;<B>String.Char2String</B>(&nbsp;FSR2&nbsp;&nbsp;FSR1&nbsp;&nbsp;w&nbsp;)</PRE>
<P>
<DL>
<DD>	This function converts a char array to a string.
<BR>
<BR>
	ATTENTION, the StringBuffer has to be big enough for the resulting string.
	This function will write the complete string to ram, regardless of the buffer size!
<BR>

<P>
<DD><DL>
<DT><B>Parameters:</B>
<DD><CODE>FSR2	The</CODE> - start address of String
 </DD>
<DD><CODE>FSR1</CODE> - The start address of char array
 </DD>
<DD><CODE>w</CODE> - The number of chars in the array

 </DD>
</DL></DD>
<P>
<DD><DL>
<DT><B>Stacklevel:</B><DD>1</DD></DL>
</DD>
<DD><DL>
<DT><B>Status:</B><DD> Written

</DD></DL>
</DD>
<P>
<DD><DL>
<DT><B>Example:</B><DD><CODE><TABLE BORDER="0"><TR>	<TD><CODE>&nbsp;</CODE></TD>
	<TD><CODE><FONT COLOR="#0000FF"><B>lfsr&nbsp;</B></FONT></CODE></TD>
	<TD><CODE><FONT COLOR="#AA22AA">FSR2,StringBuffer&nbsp;</FONT></CODE></TD>
</TR><TR>	<TD><CODE>&nbsp;</CODE></TD>
	<TD><CODE><FONT COLOR="#0000FF"><B>lfsr&nbsp;</B></FONT></CODE></TD>
	<TD><CODE><FONT COLOR="#AA22AA">FSR1,ArrayAddress&nbsp;</FONT></CODE></TD>
</TR><TR>	<TD><CODE>&nbsp;</CODE></TD>
	<TD><CODE><FONT COLOR="#0000FF"><B>movlw&nbsp;</B></FONT></CODE></TD>
	<TD><CODE><FONT COLOR="#AA22AA">'A'&nbsp;</FONT></CODE></TD>
</TR><TR>	<TD><CODE>&nbsp;</CODE></TD>
	<TD><CODE><FONT COLOR="#0000FF"><B>movwf&nbsp;</B></FONT></CODE></TD>
	<TD><CODE><FONT COLOR="#AA22AA">INDF1&nbsp;</FONT></CODE></TD>
</TR><TR>	<TD><CODE>&nbsp;</CODE></TD>
	<TD><CODE><FONT COLOR="#0000FF"><B>call&nbsp;</B></FONT></CODE></TD>
	<TD><CODE><FONT COLOR="#AA22AA">String.Char2String&nbsp;</FONT></CODE></TD>
</TR></TABLE></CODE></DD></DL>
</DD>
<DD><DL>
<DT><B>Description:</B><DD>
		This stores the string "A" at the address StringBuffer.

</DD></DL>
</DD>
</DL>
<HR>
<A NAME="String.GetLength"></A><H3>
String.GetLength</H3>
<PRE>
&nbsp;Strings.length&nbsp;&nbsp;w&nbsp;&nbsp;<B>String.GetLength</B>(&nbsp;FSR2&nbsp;)</PRE>
<P>
<DL>
<DD>	This function returns the length of a string.
	The length represents the number of characters in the string.
	To get the memory space of the string add 1 to the length
	(end of string character).
<BR>

<P>
<DD><DL>
<DT><B>Parameters:</B>
<DD><CODE>FSR2	The</CODE> - start address of String
 </DD>
</DL></DD>
<DD><DL>
<DT><B>Returns:</B>
<DD><CODE>Strings.length</CODE> - The length of the string
 </DD>
<DD><CODE>w</CODE> - The length of the string

 </DD>
</DL></DD>
<P>
<DD><DL>
<DT><B>Stacklevel:</B><DD>1</DD></DL>
</DD>
<DD><DL>
<DT><B>Status:</B><DD> Written

</DD></DL>
</DD>
<P>
<DD><DL>
<DT><B>Example:</B><DD><CODE><TABLE BORDER="0"><TR>	<TD><CODE>&nbsp;</CODE></TD>
	<TD><CODE><FONT COLOR="#0000FF"><B>lfsr&nbsp;</B></FONT></CODE></TD>
	<TD><CODE><FONT COLOR="#AA22AA">FSR2,StringBuffer&nbsp;</FONT></CODE></TD>
</TR><TR>	<TD><CODE>&nbsp;</CODE></TD>
	<TD><CODE><FONT COLOR="#0000FF"><B>call&nbsp;</B></FONT></CODE></TD>
	<TD><CODE><FONT COLOR="#AA22AA">String.GetLength&nbsp;</FONT></CODE></TD>
</TR><TR>	<TD><CODE>&nbsp;</CODE></TD>
	<TD><CODE><FONT COLOR="#0000FF"><B>bz&nbsp;</B></FONT></CODE></TD>
	<TD><CODE><FONT COLOR="#AA22AA">BufferEmpty&nbsp;</FONT></CODE></TD>
</TR></TABLE></CODE></DD></DL>
</DD>
<DD><DL>
<DT><B>Description:</B><DD>
		This example reads the length of a string, if it is zero, the code
		at the address BufferEmpty will be executed.

</DD></DL>
</DD>
</DL>
<HR>
<A NAME="String.HexArray2String"></A><H3>
String.HexArray2String</H3>
<PRE>
&nbsp;<B>String.HexArray2String</B>(&nbsp;FSR2&nbsp;&nbsp;FSR1&nbsp;&nbsp;w&nbsp;)</PRE>
<P>
<DL>
<DD>	This function converts an array of hex values to a character encoded string.
	Each byte will be encoded as two characters.

<P>
<DD><DL>
<DT><B>Parameters:</B>
<DD><CODE>FSR2</CODE> - The start address of String
 </DD>
<DD><CODE>FSR1</CODE> - The start address of array
 </DD>
<DD><CODE>w</CODE> - The number of bytes to convert

 </DD>
</DL></DD>
<P>
<DD><DL>
<DT><B>Calls subroutines:</B>
<PRE>
	String.Hex2ASCII

</PRE>
</DD></DL>
<DD><DL>
<DT><B>Stacklevel:</B><DD>2</DD></DL>
</DD>
<DD><DL>
<DT><B>Status:</B><DD> Tested

</DD></DL>
</DD>
<P>
<DD><DL>
<DT><B>Example:</B><DD><CODE><TABLE BORDER="0"><TR>	<TD><CODE>&nbsp;</CODE></TD>
	<TD><CODE><FONT COLOR="#0000FF"><B>lfsr&nbsp;</B></FONT></CODE></TD>
	<TD><CODE><FONT COLOR="#AA22AA">FSR2,StringBuffer&nbsp;</FONT></CODE></TD>
</TR><TR>	<TD><CODE>&nbsp;</CODE></TD>
	<TD><CODE><FONT COLOR="#0000FF"><B>lfsr&nbsp;</B></FONT></CODE></TD>
	<TD><CODE><FONT COLOR="#AA22AA">FSR1,ArrayAddress&nbsp;</FONT></CODE></TD>
</TR><TR>	<TD><CODE>&nbsp;</CODE></TD>
	<TD><CODE><FONT COLOR="#0000FF"><B>movlw&nbsp;</B></FONT></CODE></TD>
	<TD><CODE><FONT COLOR="#AA22AA">0x01&nbsp;</FONT></CODE></TD>
</TR><TR>	<TD><CODE>&nbsp;</CODE></TD>
	<TD><CODE><FONT COLOR="#0000FF"><B>movwf&nbsp;</B></FONT></CODE></TD>
	<TD><CODE><FONT COLOR="#AA22AA">POSTINC1&nbsp;</FONT></CODE></TD>
</TR><TR>	<TD><CODE>&nbsp;</CODE></TD>
	<TD><CODE><FONT COLOR="#0000FF"><B>movlw&nbsp;</B></FONT></CODE></TD>
	<TD><CODE><FONT COLOR="#AA22AA">0x23&nbsp;</FONT></CODE></TD>
</TR><TR>	<TD><CODE>&nbsp;</CODE></TD>
	<TD><CODE><FONT COLOR="#0000FF"><B>movwf&nbsp;</B></FONT></CODE></TD>
	<TD><CODE><FONT COLOR="#AA22AA">POSTDEC1&nbsp;</FONT></CODE></TD>
</TR><TR>	<TD><CODE>&nbsp;</CODE></TD>
	<TD><CODE><FONT COLOR="#0000FF"><B>movlw&nbsp;</B></FONT></CODE></TD>
	<TD><CODE><FONT COLOR="#AA22AA">0x02&nbsp;</FONT></CODE></TD>
</TR><TR>	<TD><CODE>&nbsp;</CODE></TD>
	<TD><CODE><FONT COLOR="#0000FF"><B>call&nbsp;</B></FONT></CODE></TD>
	<TD><CODE><FONT COLOR="#AA22AA">String.HexArray2String&nbsp;</FONT></CODE></TD>
</TR></TABLE></CODE></DD></DL>
</DD>
<DD><DL>
<DT><B>Description:</B><DD>
		This stores the string "0123" at the address StringBuffer.

</DD></DL>
</DD>
</DL>
<HR>
<A NAME="String.Hex2ASCII"></A><H3>
String.Hex2ASCII</H3>
<PRE>
&nbsp;w&nbsp;&nbsp;<B>String.Hex2ASCII</B>(&nbsp;w&nbsp;)</PRE>
<P>
<DL>
<DD>	This function converts an the low nibble of a hex value to an ascii character.
<BR>

<P>
<DD><DL>
<DT><B>Parameters:</B>
<DD><CODE>w</CODE> - The hex value
 </DD>
</DL></DD>
<DD><DL>
<DT><B>Returns:</B>
<DD><CODE>w</CODE> - The character encoded hex value

 </DD>
</DL></DD>
<P>
<DD><DL>
<DT><B>Stacklevel:</B><DD>1</DD></DL>
</DD>
<DD><DL>
<DT><B>Status:</B><DD> Tested

</DD></DL>
</DD>
<P>
<DD><DL>
<DT><B>Example:</B><DD><CODE><TABLE BORDER="0"><TR>	<TD><CODE>&nbsp;</CODE></TD>
	<TD><CODE><FONT COLOR="#0000FF"><B>movlw&nbsp;</B></FONT></CODE></TD>
	<TD><CODE><FONT COLOR="#AA22AA">0x12&nbsp;</FONT></CODE></TD>
</TR><TR>	<TD><CODE>&nbsp;</CODE></TD>
	<TD><CODE><FONT COLOR="#0000FF"><B>call&nbsp;</B></FONT></CODE></TD>
	<TD><CODE><FONT COLOR="#AA22AA">String.Hex2ASCII&nbsp;</FONT></CODE></TD>
</TR></TABLE></CODE></DD></DL>
</DD>
<DD><DL>
<DT><B>Description:</B><DD>
		This returns '2'

</DD></DL>
</DD>
</DL>
<HR>
<A NAME="String.Copy"></A><H3>
String.Copy</H3>
<PRE>
&nbsp;<B>String.Copy</B>(&nbsp;FSR2&nbsp;&nbsp;FSR1&nbsp;)</PRE>
<P>
<DL>
<DD>	This function copies a string at one address to another address.
<BR>
<BR>
	ATTENTION, the reserved memory has to be big enough for the resulting string.
	This function will write the complete string to ram, regardless of the buffer size!
<BR>

<P>
<DD><DL>
<DT><B>Parameters:</B>
<DD><CODE>FSR2	The</CODE> - start address of the destination
 </DD>
<DD><CODE>FSR1</CODE> - The start address of the string

 </DD>
</DL></DD>
<P>
<DD><DL>
<DT><B>Used SFRs:</B><DD> FSR1 FSR2

</DD></DL>
</DD>
<DD><DL>
<DT><B>Stacklevel:</B><DD>1</DD></DL>
</DD>
<DD><DL>
<DT><B>Status:</B><DD> Written

</DD></DL>
</DD>
<P>
<DD><DL>
<DT><B>Example:</B><DD><CODE><TABLE BORDER="0"><TR>	<TD><CODE>&nbsp;</CODE></TD>
	<TD><CODE><FONT COLOR="#0000FF"><B>lfsr&nbsp;</B></FONT></CODE></TD>
	<TD><CODE><FONT COLOR="#AA22AA">FSR1,String&nbsp;</FONT></CODE></TD>
</TR><TR>	<TD><CODE>&nbsp;</CODE></TD>
	<TD><CODE><FONT COLOR="#0000FF"><B>lfsr&nbsp;</B></FONT></CODE></TD>
	<TD><CODE><FONT COLOR="#AA22AA">FSR2,StringBuffer&nbsp;</FONT></CODE></TD>
</TR><TR>	<TD><CODE>&nbsp;</CODE></TD>
	<TD><CODE><FONT COLOR="#0000FF"><B>call&nbsp;</B></FONT></CODE></TD>
	<TD><CODE><FONT COLOR="#AA22AA">String.Copy&nbsp;</FONT></CODE></TD>
</TR></TABLE></CODE></DD></DL>
</DD>
<DD><DL>
<DT><B>Description:</B><DD>
		This copies the string String to a StringBuffer

</DD></DL>
</DD>
</DL>
<HR>
&nbsp;
<!-- ========= END OF CLASS DATA ========= -->




</BODY>
</HTML>