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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> voice </TITLE> </HEAD> <BODY> <TABLE BORDER="1" WIDTH="100%" CELLPADDING="6"> <TR> <TD ALIGN=CENTER VALIGN=MIDDLE BGCOLOR=BLUE> <H1> <FONT COLOR="#FFFFFF"> voice </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="#voc_dec_volume">voc_dec_volume</A> <A HREF="#voc_inc_volume">voc_inc_volume</A> <A HREF="#voc_play_init">voc_play_init</A> <A HREF="#voc_play_int">voc_play_int</A> <A HREF="#voc_play_start">voc_play_start</A> <A HREF="#voc_play_stop">voc_play_stop</A> <A HREF="#voc_rec_init">voc_rec_init</A> <A HREF="#voc_rec_int">voc_rec_int</A> <A HREF="#voice_task">voice_task</A> <A HREF="#voice_task_init">voice_task_init</A> </PRE><H3> Files List </H3><UL><LI><B><A NAME="voice_drv.c"></A> voice_drv.c</B><BR></LI><UL>This file contains the voice driver routines Timer 1 is used as conversion time base, its frequency is defined in config.h NOTES: Global Variables: - voice_buffer: array of bytes in xdata space - gl_pointer: byte in data space</UL><LI><B><A NAME="voice_drv.h"></A> voice_drv.h</B><BR></LI><UL>This file contains the voice driver definitions</UL><LI><B><A NAME="voice_task.c"></A> voice_task.c</B><BR></LI><UL>This file contains the voice task and attached routines NOTES: Global Variables: - gl_key_press: bit in bdata space - gl_key: byte in idata space - voice_buffer: array of bytes in pdata space - gl_pointer: byte in data space - gl_wav_header: wave structure in code</UL><LI><B><A NAME="voice_task.h"></A> voice_task.h</B><BR></LI><UL>This file contains the voice task definition</UL></UL><H3> Included Files </H3><UL><LI><B>board.h" / * board definition * / </B><BR></LI><LI><B>board.h" / * board definition * / </B><BR></LI><LI><B>config.h" / * system configuration * / </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\adc\adc_drv.h" / * adc driver definition * / </B><BR></LI><LI><B>lib_mcu\aud\aud_drv.h" / * audio driver definition * / </B><BR></LI><LI><B>lib_mcu\clock\clock.h" / * clock definition * / </B><BR></LI><LI><B>lib_mcu\clock\clock.h" / * clock definition * / </B><BR></LI><LI><B>lib_mcu\timer\timer_drv.h" / * timer driver definition * / </B><BR></LI><LI><B>modules\display\disp.h" / * display definition * / </B><BR></LI><LI><B>modules\display\disp_task.h" / * display definition * / </B><BR></LI><LI><B>modules\file\file.h" / * file definition * / </B><BR></LI><LI><B>modules\file\wav.h" / * wav file definition * / </B><BR></LI><LI><B>modules\mem\mem_task.h" / * memory task definition * / </B><BR></LI><LI><B>modules\mode\mode_task.h" / * mode task definition * / </B><BR></LI><LI><B>voice_drv.h" / * voice definition * / </B><BR></LI><LI><B>voice_drv.h" / * voice driver definition * / </B><BR></LI><LI><B>voice_task.h" / * voice task definition * / </B><BR></LI></UL><H2> Constant Macros </H2><H2> Global Variables </H2><H2> Function Macros </H2><H2> Functions </H2><A NAME="voc_dec_volume"></A><H3> voc_dec_volume </H3><TABLE BORDER="0" WIDTH="100 %" BGCOLOR="#D6E8FF" CELLPADDING="6"><TR> <TD VALIGN=MIDDLE><PRE>void <A HREF="#voc_dec_volume">voc_dec_volume</A> ( void ) </PRE></TD></TABLE><P>Decrement playing volume<P><TABLE BORDER="0" WIDTH="100 %" BGCOLOR="#FFD0D0" CELLPADDING="6"><TR> <TD VALIGN=MIDDLE><PRE>*return:</PRE></TD></TABLE><HR><A NAME="voc_inc_volume"></A><H3> voc_inc_volume </H3><TABLE BORDER="0" WIDTH="100 %" BGCOLOR="#D6E8FF" CELLPADDING="6"><TR> <TD VALIGN=MIDDLE><PRE>void <A HREF="#voc_inc_volume">voc_inc_volume</A> ( void ) </PRE></TD></TABLE><P>Increment playing volume<P><TABLE BORDER="0" WIDTH="100 %" BGCOLOR="#FFD0D0" CELLPADDING="6"><TR> <TD VALIGN=MIDDLE><PRE>*return:</PRE></TD></TABLE><HR><A NAME="voc_play_init"></A><H3> voc_play_init </H3><TABLE BORDER="0" WIDTH="100 %" BGCOLOR="#D6E8FF" CELLPADDING="6"><TR> <TD VALIGN=MIDDLE><PRE>void <A HREF="#voc_play_init">voc_play_init</A> ( void ) </PRE></TD></TABLE><P>Audio interface initialization<P><TABLE BORDER="0" WIDTH="100 %" BGCOLOR="#FFD0D0" CELLPADDING="6"><TR> <TD VALIGN=MIDDLE><PRE>*return:</PRE></TD></TABLE><HR><A NAME="voc_play_int"></A><H3> voc_play_int </H3><TABLE BORDER="0" WIDTH="100 %" BGCOLOR="#D6E8FF" CELLPADDING="6"><TR> <TD VALIGN=MIDDLE><PRE>Interrupt ( <A HREF="#voc_play_int">voc_play_int</A> ( void ) , IRQ_AUD ) </PRE></TD></TABLE><P>Audio interrupt function<P><TABLE BORDER="0" WIDTH="100 %" BGCOLOR="#FFD0D0" CELLPADDING="6"><TR> <TD VALIGN=MIDDLE><PRE>*return:</PRE></TD></TABLE><H4> Note </H4><P>IRQ_AUD defined in extsnd1.hThe underrun condition is not tested as it must not appear0x80 offset is added for unsigned to signed samples conversion<HR><A NAME="voc_play_start"></A><H3> voc_play_start </H3><TABLE BORDER="0" WIDTH="100 %" BGCOLOR="#D6E8FF" CELLPADDING="6"><TR> <TD VALIGN=MIDDLE><PRE>void <A HREF="#voc_play_start">voc_play_start</A> ( void ) </PRE></TD></TABLE><P>Fill audio buffer and start sample request<P><TABLE BORDER="0" WIDTH="100 %" BGCOLOR="#FFD0D0" CELLPADDING="6"><TR> <TD VALIGN=MIDDLE><PRE>*return:</PRE></TD></TABLE><H4> Note </H4><P>0x80 offset is added for unsigned to signed samples conversion<HR><A NAME="voc_play_stop"></A><H3> voc_play_stop </H3><TABLE BORDER="0" WIDTH="100 %" BGCOLOR="#D6E8FF" CELLPADDING="6"><TR> <TD VALIGN=MIDDLE><PRE>void <A HREF="#voc_play_stop">voc_play_stop</A> ( void ) </PRE></TD></TABLE><P>Stop voice playing<P><TABLE BORDER="0" WIDTH="100 %" BGCOLOR="#FFD0D0" CELLPADDING="6"><TR> <TD VALIGN=MIDDLE><PRE>*return:</PRE></TD></TABLE><HR><A NAME="voc_rec_init"></A><H3> voc_rec_init </H3><TABLE BORDER="0" WIDTH="100 %" BGCOLOR="#D6E8FF" CELLPADDING="6"><TR> <TD VALIGN=MIDDLE><PRE>void <A HREF="#voc_rec_init">voc_rec_init</A> ( void ) </PRE></TD></TABLE><P>Initialize the timer and ADC<P><TABLE BORDER="0" WIDTH="100 %" BGCOLOR="#FFD0D0" CELLPADDING="6"><TR> <TD VALIGN=MIDDLE><PRE>*return:</PRE></TD></TABLE><H4> Note </H4><P>T1_PRIO defined in config.h<HR><A NAME="voc_rec_int"></A><H3> voc_rec_int </H3><TABLE BORDER="0" WIDTH="100 %" BGCOLOR="#D6E8FF" CELLPADDING="6"><TR> <TD VALIGN=MIDDLE><PRE>Interrupt ( <A HREF="#voc_rec_int">voc_rec_int</A> ( void ) , IRQ_T1 ) </PRE></TD></TABLE><P>Timer 1 interrupt function<P><TABLE BORDER="0" WIDTH="100 %" BGCOLOR="#FFD0D0" CELLPADDING="6"><TR> <TD VALIGN=MIDDLE><PRE>*return:</PRE></TD></TABLE><H4> Note </H4><P>IRQ_T1 defined in extsnd1.hgl_pointer is modulo 256VOICE_CHANNEL is always selected by default, other conversion onBATTERY_CHANNEL may pause the Timer 1 and reselect VOICE_CHANNEL forproper voice conversion.<HR><A NAME="voice_task"></A><H3> voice_task </H3><TABLE BORDER="0" WIDTH="100 %" BGCOLOR="#D6E8FF" CELLPADDING="6"><TR> <TD VALIGN=MIDDLE><PRE>void <A HREF="#voice_task">voice_task</A> ( void ) </PRE></TD></TABLE><P>Voice playing / recording task<P><TABLE BORDER="0" WIDTH="100 %" BGCOLOR="#FFD0D0" CELLPADDING="6"><TR> <TD VALIGN=MIDDLE><PRE>*return:</PRE></TD></TABLE><H4> Note </H4><P>STATES:VOICE_START start taskVOICE_INSTALL voice installationVOICE_IDLE idle state of this taskVOICE_PLAY_INIT initialisation of audio interfaceVOICE_PLAY voice under playingVOICE_PLAY_PAUSE voice playing haltedVOICE_NEW previous or next song handlerVOICE_PLAY_STOP stop playingVOICE_NO_MESSAGE file system emptyVOICE_REC_INIT initialisation of A to D converterVOICE_RECORD voice under recordingVOICE_REC_PAUSE voice recording haltedVOICE_REC_STOP stop recordingVOICE_ERROR error in playing or recording<HR><A NAME="voice_task_init"></A><H3> voice_task_init </H3><TABLE BORDER="0" WIDTH="100 %" BGCOLOR="#D6E8FF" CELLPADDING="6"><TR> <TD VALIGN=MIDDLE><PRE>void <A HREF="#voice_task_init">voice_task_init</A> ( void ) </PRE></TD></TABLE><P>Voice task 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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