📄 clock.html
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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> clock </TITLE> </HEAD> <BODY> <TABLE BORDER="1" WIDTH="100%" CELLPADDING="6"> <TR> <TD ALIGN=CENTER VALIGN=MIDDLE BGCOLOR=BLUE> <H1> <FONT COLOR="#FFFFFF"> clock </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="#clock_disable">clock_disable</A> <A HREF="#clock_song_init">clock_song_init</A> <A HREF="#clock_usb_init">clock_usb_init</A> <A HREF="#clock_voice_init">clock_voice_init</A> </PRE><H3> Files List </H3><UL><LI><B><A NAME="clock.c"></A> clock.c</B><BR></LI><UL>This file contains the clock routines NOTES: Configuration: - FOSC in config.h</UL><LI><B><A NAME="clock.h"></A> clock.h</B><BR></LI><UL>This file contains the clock definition</UL></UL><H3> Included Files </H3><UL><LI><B>clock.h" / * clock definition * / </B><BR></LI><LI><B>config.h" / * system configuration * / </B><BR></LI><LI><B>dac\dac_drv.h" / * dac driver definition * / </B><BR></LI><LI><B>lib_mcu\aud\aud_drv.h" / * audio driver definition * / </B><BR></LI><LI><B>lib_mcu\mp3\mp3_drv.h" / * mp3 driver definition * / </B><BR></LI><LI><B>lib_mcu\pll\pll_drv.h" / * clock driver definition * / </B><BR></LI><LI><B>lib_mcu\usb\usb_drv.h" / * usb driver definition * / </B><BR></LI></UL><H2> Types Description </H2><UL><LI><B><A NAME="St_clock"></A> St_clock</B><BR></LI><UL><PRE>struct { Uint16 r_div; /* pll R divider */ Byte n_div; /* pll N divider */ Byte mp3_div; /* mp3 clock - 1 divider */ Byte aud_div; /* audio clock - 1 divider */ Byte dac_over; /* 256 or 384 Fs oversampling freq */ } </PRE></UL></UL><H2> Constant Macros </H2><H2> Global Variables </H2><H2> Function Macros </H2><H2> Functions </H2><A NAME="clock_disable"></A><H3> clock_disable </H3><TABLE BORDER="0" WIDTH="100 %" BGCOLOR="#D6E8FF" CELLPADDING="6"><TR> <TD VALIGN=MIDDLE><PRE>void <A HREF="#clock_disable">clock_disable</A> ( void ) </PRE></TD></TABLE><P>Clocks stop<P><TABLE BORDER="0" WIDTH="100 %" BGCOLOR="#FFD0D0" CELLPADDING="6"><TR> <TD VALIGN=MIDDLE><PRE>*return:</PRE></TD></TABLE><HR><A NAME="clock_song_init"></A><H3> clock_song_init </H3><TABLE BORDER="0" WIDTH="100 %" BGCOLOR="#D6E8FF" CELLPADDING="6"><TR> <TD VALIGN=MIDDLE><PRE>void <A HREF="#clock_song_init">clock_song_init</A> ( Byte freq ) </PRE></TD></TABLE><P>Song clock initialization<P><TABLE BORDER="0" WIDTH="100 %" BGCOLOR="#FFD0D0" CELLPADDING="6"><TR> <TD VALIGN=MIDDLE><PRE> freq: 0 -> 22.05 KHz 1 -> 24 KHz 2 -> 16 KHz 3 -> unused 4 -> 44.1 KHz 5 -> 48 KHz 6 -> 32 KHz 7 -> unused*return:</PRE></TD></TABLE><H4> Note </H4><P>freq is an index in the table giving the divider values<HR><A NAME="clock_usb_init"></A><H3> clock_usb_init </H3><TABLE BORDER="0" WIDTH="100 %" BGCOLOR="#D6E8FF" CELLPADDING="6"><TR> <TD VALIGN=MIDDLE><PRE>void <A HREF="#clock_usb_init">clock_usb_init</A> ( void ) </PRE></TD></TABLE><P>USB clock initialization<P><TABLE BORDER="0" WIDTH="100 %" BGCOLOR="#FFD0D0" CELLPADDING="6"><TR> <TD VALIGN=MIDDLE><PRE>*return:</PRE></TD></TABLE><HR><A NAME="clock_voice_init"></A><H3> clock_voice_init </H3><TABLE BORDER="0" WIDTH="100 %" BGCOLOR="#D6E8FF" CELLPADDING="6"><TR> <TD VALIGN=MIDDLE><PRE>void <A HREF="#clock_voice_init">clock_voice_init</A> ( void ) </PRE></TD></TABLE><P>Voice clock initialization<P><TABLE BORDER="0" WIDTH="100 %" BGCOLOR="#FFD0D0" CELLPADDING="6"><TR> <TD VALIGN=MIDDLE><PRE>*return:</PRE></TD></TABLE><HR></BODY></HTML>⌨️ 快捷键说明
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