/*****************************************************************************/
/*???????????????????????????????????????????????????????????????????????????*/
/*?FILENAME??????????????????????????????????????????????????????????????????*/
/*???bargraph.c??????????????????????????????????????????????????????????????*/
/*???????????????????????????????????????????????????????????????????????????*/
/*?DEscriptION???????????????????????????????????????????????????????????????*/
/*???TMS320C6713?DSK.????????????????????????????????????????????????????????*/
/*???Configures?four?user?LEDs?as?a?bargraph?display.????????????????????????*/
/*???Different?formats?of?display?for?mono?audio?stereo?audio?or?power??????*/
/*???for?use?with?Fast?Fourier?Transform?（FFT）.??????????????????????????????*/
/*???????????????????????????????????????????????????????????????????????????*/
/*?REVISION??????????????????????????????????????????????????????????????????*/
/*???Revision:?1.00??????????????????????????????????????????????????????????*/
/*???Author??:?Richard?Sikora????????????????????????????????????????????????*/
/*---------------------------------------------------------------------------*/
/*???????????????????????????????????????????????????????????????????????????*/
/*?HISTORY???????????????????????????????????????????????????????????????????*/
/*???????????????????????????????????????????????????????????????????????????*/
/*???Revision?1.00???????????????????????????????????????????????????????????*/
/*???8th?August?2003.?Created?by?Richard?Sikora?from?TMS320C5510?DSK?code.???*/
/*???????????????????????????????????????????????????????????????????????????*/
/*****************************************************************************/

#include?“iir_filterscfg.h“

#include?“dsk6713.h“
#include?“dsk6713_led.h“


/*****************************************************************************/
/*?Reference?thresholds??????????????????????????????????????????????????????*/
/*---------------------------------------------------------------------------*/
/*???????????????????????????????????????????????????????????????????????????*/
/*?0?dB?reference?is?taken?to?be?50%?output?level.?This?allows?6dB?headroom??*/
/*?Other?thresholds?are?-6dB?-12dB?and?-18dB?below?the?reference?of?0dB.????*/
/*???????????????????????????????????????????????????????????????????????????*/?
/*****************************************************************************/

#define?LEVEL_0dB??0x4000
#define?LEVEL_3dB??0x2D3F
#define?LEVEL_6dB??0x2000
#define?LEVEL_9dB??0x169F
#define?LEVEL_12dB?0x1000
#define?LEVEL_18dB?0x0800
#define?LEVEL_24dB?0x0400
#define?LEVEL_36dB?0x0100


/*****************************************************************************/
/*?bargraph_3dB（）????????????????????????????????????????????????????????????*/
/*---------------------------------------------------------------------------*/
/*?????????????????

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件????????6459??2005-08-20?21:16??iir_filterscfg.cmd
?????文件?????????325??2005-08-24?19:49??cc_build_Debug.log
?????文件???????28164??2005-08-20?21:16??iir_filterscfg.s62
?????文件????????1131??2005-08-20?21:20??IIR_Filters.pjt
?????文件???????12791??2005-08-24?20:06??IIR_Filters.paf
?????文件???????38912??2004-06-26?18:04??TMS320C6713?DSK?Problems?and?Fixes.doc
?????文件???????30720??2005-08-20?21:13??TMS320C6713?DSK?Application?IIR?Filters.doc
?????文件?????????881??2003-01-17?20:44??IIR_bs_22.m
?????文件?????????881??2003-01-17?19:31??IIR_bs_21.m
?????文件?????????881??2003-01-17?19:25??IIR_bs_20.m
?????文件?????????881??2003-01-17?19:22??IIR_bs_19.m
?????文件?????????881??2003-01-17?19:20??IIR_bs_18.m
?????文件?????????881??2003-01-17?19:18??IIR_bs_17.m
?????文件?????????880??2003-01-17?19:14??IIR_bs_16.m
?????文件?????????881??2003-01-17?19:08??IIR_bs_15.m
?????文件?????????885??2003-01-17?19:07??IIR_bs_14.m
?????文件?????????887??2003-01-17?18:48??IIR_bs_13.m
?????文件?????????885??2003-01-17?18:39??IIR_bs_12.m
?????文件?????????884??2003-01-17?18:38??IIR_bs_11.m
?????文件?????????884??2003-01-17?18:32??IIR_bs_10.m
?????文件?????????872??2003-01-17?18:30??IIR_bs_9.m
?????文件?????????873??2003-01-17?18:06??IIR_bs_8.m
?????文件?????????870??2003-01-17?18:05??IIR_bs_7.m
?????文件?????????872??2003-01-17?18:04??IIR_bs_6.m
?????文件?????????871??2003-01-17?18:03??IIR_bs_5.m
?????文件?????????871??2003-01-17?18:02??IIR_bs_4.m
?????文件?????????870??2003-01-17?18:00??IIR_bs_3.m
?????文件?????????872??2003-01-17?17:59??IIR_bs_02.m
?????文件?????????872??2003-01-17?17:58??IIR_bs_01.m
?????文件?????????909??2003-01-17?16:38??IIR_bp_21.m
?????文件?????????909??2003-01-17?16:38??IIR_bp_20.m
............此處省略45個文件信息