📄 kbd_4_4.html

📁 at89c5132,at89c51snd1的usb与keyboard驱动程序。

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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <HTML><HEAD> <META NAME="GENERATOR" CONTENT="langdoc 1.0.1"> <META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=iso-8859-1"> <TITLE> kbd_4_4 </TITLE> </HEAD> <BODY> <TABLE BORDER="1" WIDTH="100%" CELLPADDING="6"> <TR> <TD ALIGN=CENTER VALIGN=MIDDLE BGCOLOR=BLUE> <H1> <FONT COLOR="#FFFFFF"> kbd_4_4 </FONT> </H1> </TD> </TR> </TABLE><P ALIGN=RIGHT> <I> Copyright (c) 2003</I> </P><H2> Library Usage </H2><H3> Package Description </H3><H3> Package Summary </H3><H4> Constants </H4><PRE></PRE><H4> Global Variables </H4><PRE></PRE><H4> Macros </H4><PRE></PRE><H4> Functions </H4><PRE><A HREF="#kbd_init">kbd_init</A> <A HREF="#kbd_test_hit">kbd_test_hit</A> </PRE><H3> Files List </H3><UL><LI><B><A NAME="kbd_4_4.c"></A> kbd_4_4.c</B><BR></LI><UL>This file contains the interface management for a 4x4 keyboard.</UL><LI><B><A NAME="kbd_4_4.h"></A> kbd_4_4.h</B><BR></LI><UL></UL></UL><H3> Included Files </H3><UL><LI><B>config.h </B><BR></LI><LI><B>FILE_BOARD_H </B><BR></LI><LI><B><A HREF="#kbd_4_4.h">kbd_4_4.h</A> </B><BR></LI><LI><B>modules\timer_soft\timer_soft.h </B><BR></LI></UL><H2> Constant Macros </H2><H2> Global Variables </H2><H2> Function Macros </H2><H2> Functions </H2><A NAME="kbd_init"></A><H3> kbd_init </H3><TABLE BORDER="0"  WIDTH="100 %"  BGCOLOR="#D6E8FF"  CELLPADDING="6"><TR> <TD VALIGN=MIDDLE><PRE>void <A HREF="#kbd_init">kbd_init</A> (  )  </PRE></TD></TABLE><P>Keyboard controller initialization<P><TABLE BORDER="0"  WIDTH="100 %"  BGCOLOR="#FFD0D0"  CELLPADDING="6"><TR> <TD VALIGN=MIDDLE><PRE>*return:</PRE></TD></TABLE><HR><A NAME="kbd_test_hit"></A><H3> kbd_test_hit </H3><TABLE BORDER="0"  WIDTH="100 %"  BGCOLOR="#D6E8FF"  CELLPADDING="6"><TR> <TD VALIGN=MIDDLE><PRE>void <A HREF="#kbd_test_hit">kbd_test_hit</A> ( void )  </PRE></TD></TABLE><P>This function scans the keyboard keys and update the scan_key word.if a key is pressed, the key_hit bit is set to TRUE.<P><TABLE BORDER="0"  WIDTH="100 %"  BGCOLOR="#FFD0D0"  CELLPADDING="6"><TR> <TD VALIGN=MIDDLE><PRE>*return:</PRE></TD></TABLE><HR></BODY></HTML>

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