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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 </TITLE> </HEAD> <BODY> <TABLE BORDER="1" WIDTH="100%" CELLPADDING="6"> <TR> <TD ALIGN=CENTER VALIGN=MIDDLE BGCOLOR=BLUE> <H1> <FONT COLOR="#FFFFFF"> kbd </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_decode">kbd_decode</A> <A HREF="#kbd_init">kbd_init</A> <A HREF="#kbd_install">kbd_install</A> <A HREF="#kbd_int">kbd_int</A> <A HREF="#kbd_set_prio">kbd_set_prio</A> </PRE><H3> Files List </H3><UL><LI><B><A NAME="kbd_drv.c"></A> kbd_drv.c</B><BR></LI><UL>This file contains the keypad driver routines NOTES: Driver Configuration: - KBD_EXIT_PD in config.h define as: TRUE: to allow exit of power down by keyboard FALSE: to disallow exit of power down by keyboard - LOCK_ROW in config.h - KEY_LOCK in config.h Global Variables: - gl_kbd_lock in bdata space</UL><LI><B><A NAME="kbd_drv.h"></A> kbd_drv.h</B><BR></LI><UL>This file contains the keyboard driver definition</UL></UL><H3> Included Files </H3><UL><LI><B>config.h" / * lib configuration header * / </B><BR></LI><LI><B>kbd_drv.h" / * Keyboard driver definition * / </B><BR></LI></UL><H2> Constant Macros </H2><H2> Global Variables </H2><H2> Function Macros </H2><H2> Functions </H2><A NAME="kbd_decode"></A><H3> kbd_decode </H3><TABLE BORDER="0" WIDTH="100 %" BGCOLOR="#D6E8FF" CELLPADDING="6"><TR> <TD VALIGN=MIDDLE><PRE>Byte <A HREF="#kbd_decode">kbd_decode</A> ( void ) </PRE></TD></TABLE><P>Decode the key that generated an IT<P><TABLE BORDER="0" WIDTH="100 %" BGCOLOR="#FFD0D0" CELLPADDING="6"><TR> <TD VALIGN=MIDDLE><PRE>*return: Decoded key pressed</PRE></TD></TABLE><P><TABLE BORDER="1" WIDTH="75 %" BGCOLOR="white" CELLPADDING="6"><TR> <TD>ram/xram</TD> <TD></TD><TR> <TD>cycle</TD> <TD></TD><TR> <TD>stack</TD> <TD></TD><TR> <TD>code</TD> <TD></TD></TABLE><HR><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> ( void ) </PRE></TD></TABLE><P>Keyboard initialisation function<P><TABLE BORDER="0" WIDTH="100 %" BGCOLOR="#FFD0D0" CELLPADDING="6"><TR> <TD VALIGN=MIDDLE><PRE>*return:</PRE></TD></TABLE><P><TABLE BORDER="1" WIDTH="75 %" BGCOLOR="white" CELLPADDING="6"><TR> <TD>ram/xram</TD> <TD></TD><TR> <TD>cycle</TD> <TD></TD><TR> <TD>stack</TD> <TD></TD><TR> <TD>code</TD> <TD></TD></TABLE><HR><A NAME="kbd_install"></A><H3> kbd_install </H3><TABLE BORDER="0" WIDTH="100 %" BGCOLOR="#D6E8FF" CELLPADDING="6"><TR> <TD VALIGN=MIDDLE><PRE>void <A HREF="#kbd_install">kbd_install</A> ( void ) </PRE></TD></TABLE><P>Keyboard IT and columns mask init<P><TABLE BORDER="0" WIDTH="100 %" BGCOLOR="#FFD0D0" CELLPADDING="6"><TR> <TD VALIGN=MIDDLE><PRE>*return:</PRE></TD></TABLE><P><TABLE BORDER="1" WIDTH="75 %" BGCOLOR="white" CELLPADDING="6"><TR> <TD>ram/xram</TD> <TD></TD><TR> <TD>cycle</TD> <TD></TD><TR> <TD>stack</TD> <TD></TD><TR> <TD>code</TD> <TD></TD></TABLE><HR><A NAME="kbd_int"></A><H3> kbd_int </H3><TABLE BORDER="0" WIDTH="100 %" BGCOLOR="#D6E8FF" CELLPADDING="6"><TR> <TD VALIGN=MIDDLE><PRE>#if KBD_EXIT_PD </PRE></TD><TR> <TD VALIGN=MIDDLE><PRE>Interrupt ( <A HREF="#kbd_int">kbd_int</A> ( void ) , IRQ_KBD ) </PRE></TD></TABLE><P>Keyboard interrupt function<P><TABLE BORDER="0" WIDTH="100 %" BGCOLOR="#FFD0D0" CELLPADDING="6"><TR> <TD VALIGN=MIDDLE><PRE>*return:</PRE></TD></TABLE><P><TABLE BORDER="1" WIDTH="75 %" BGCOLOR="white" CELLPADDING="6"><TR> <TD>ram/xram</TD> <TD></TD><TR> <TD>cycle</TD> <TD></TD><TR> <TD>stack</TD> <TD></TD><TR> <TD>code</TD> <TD></TD></TABLE><H4> Note </H4><P>This isr is called when a key is pressed to get out power-down Interruptis re-enable in the install routine<HR><A NAME="kbd_set_prio"></A><H3> kbd_set_prio </H3><TABLE BORDER="0" WIDTH="100 %" BGCOLOR="#D6E8FF" CELLPADDING="6"><TR> <TD VALIGN=MIDDLE><PRE>#if KBD_EXIT_PD </PRE></TD><TR> <TD VALIGN=MIDDLE><PRE>void <A HREF="#kbd_set_prio">kbd_set_prio</A> ( Byte priority ) </PRE></TD></TABLE><P>Set the keyboard interface priority interrupt<P><TABLE BORDER="0" WIDTH="100 %" BGCOLOR="#FFD0D0" CELLPADDING="6"><TR> <TD VALIGN=MIDDLE><PRE>*return:</PRE></TD></TABLE><P><TABLE BORDER="1" WIDTH="75 %" BGCOLOR="white" CELLPADDING="6"><TR> <TD>ram/xram</TD> <TD></TD><TR> <TD>cycle</TD> <TD></TD><TR> <TD>stack</TD> <TD></TD><TR> <TD>code</TD> <TD></TD></TABLE><HR></BODY></HTML>⌨️ 快捷键说明
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