/*****************************************************************************/
/*?Codec.c???????????????????????????????????????????????????????????????????*/
/*???????????????????????????????????????????????????????????????????????????*/
/*?Digital?Loopback?example??????????????????????????????????????????????????*/
/*???????????????????????????????????????????????????????????????????????????*/
/*****************************************************************************/

#include?
#include?
#include?
#include?
volatile?s16?*buffer=（volatile?s16*）0x8000;
extern?void?fir（void）;
/*****************************************************************************/
/*?Function?Prototypes???????????????????????????????????????????????????????*/
/*****************************************************************************/

/*?This?delay?routine?does?not?conflict?with?DSP/BIOS.??It?is?used?in?this??*/
/*?example?rather?than?brd_delay_msec?which?causes?DSP/BIOS?conflicts?just??*/
/*?because?of?this.??If?you?are?not?using?DSP/BIOS?you?can?change?the?code?*/
/*?to?use?brd_delay_msec.???????????????????????????????????????????????????*/

void?delay（s16?period）;


/*****************************************************************************/
/*?Global?Variables??????????????????????????????????????????????????????????*/
/*****************************************************************************/

HANDLE?hHandset;
s16?data;


/*****************************************************************************/
/*?MAIN??????????????????????????????????????????????????????????????????????*/
/*****************************************************************************/

void?main（）
{
????s16?cnt=2;
????int?i;
????for（i=0;i<32;i++）
???????	buffer[i]=0;
??????
????if?（brd_init（100））???
????????return;

	/*?blink?the?leds?a?couple?times?*/
	while?（?cnt--?）
	{
		brd_led_toggle（BRD_LED0）;
		/*?brd_delay_msec（1000）;?*/
		delay（1000）;
		brd_led_toggle（BRD_LED1）;
		/*?brd_delay_msec（1000）;?*/
		delay（1000）;
		brd_led_toggle（BRD_LED2）;
		/*?brd_delay_msec（1000）;?*/
		delay（1000）;
	}


????/*?Open?Handset?Codec?*/
????hHandset?=?codec_open（HANDSET_CODEC）;???????????????/*?Acquire?handle?to?codec?*/

????/*?Set?codec?parameters?*/
????codec_dac_mode（hHandset?CODEC_DAC_15BIT）;??????????/*?DAC?in?15-bit?mode?*/
????codec_adc_mode（hHandset?CODEC_ADC_15BIT）;??????????/*?ADC?in?15-bit?mode?*/
????codec_ain_gain（hHandset?CODEC_AIN_6dB）;????????????/*?6dB?gain?on?analog?input?to?ADC?*/
????codec_aout_gain（hHandset?CODEC_AOUT_MINUS_6dB）;????/*?-6dB?gain?on?analog?output?from?DAC?*/
????codec_sample_rate（hHandsetSR_16000）;???????????????/*?16KHz?sampling?rate?*/


????/*?Polling?and?digital?loopback?*/
????while?（1）
????{
???????/*?Wait?for?sample?from?handset?*/
???????while?（!MCBSP_RRDY（HANDSET_CODEC））?{};

???????/*?Read?sample?from?and?write?back?to?handset?c

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件???????1169??2011-03-28?20:40??LabFIR\54xFIR.asm

?????文件????????419??2011-03-28?20:40??LabFIR\54xfir.cmd

?????文件??????13681??2011-03-28?20:40??LabFIR\bandpass\250.DAT

?????文件??????13231??2011-03-28?20:40??LabFIR\bandpass\50.DAT

?????文件??????13637??2011-03-28?20:40??LabFIR\bandpass\50250.DAT

?????文件??????13635??2011-03-28?20:40??LabFIR\bandpass\50250600.DAT

?????文件??????13237??2011-03-28?20:40??LabFIR\bandpass\600.DAT

?????文件????????460??2011-03-28?20:40??LabFIR\bandpass\Bandpass.inc

?????文件????????525??2011-03-28?20:40??LabFIR\codec\cc_build.log

?????文件??????19347??2011-03-28?20:40??LabFIR\codec\codec.asm

?????文件???????3643??2011-03-28?20:40??LabFIR\codec\codec.c

?????文件???????4566??2011-03-28?20:40??LabFIR\codec\codec.cmd

?????文件???????1117??2011-03-28?20:40??LabFIR\codec\codec.mak

?????文件??????15546??2011-03-28?20:40??LabFIR\codec\codec.map

?????文件???????3212??2011-03-28?20:40??LabFIR\codec\codec.obj

?????文件??????69155??2011-03-28?20:40??LabFIR\codec\codec.out

?????文件????????479??2011-03-28?20:40??LabFIR\codec\fir.asm

?????文件????????890??2011-03-28?20:40??LabFIR\codec\fir.obj

?????文件????????456??2011-03-28?20:40??LabFIR\codec\lowpass.inc

?????文件???????9749??2011-03-28?20:40??LabFIR\codec\readme.txt

?????文件??????69155??2011-03-28?20:40??LabFIR\codec\test.out

?????文件??????????0??2011-03-28?20:40??LabFIR\DATA1

?????文件??????????0??2011-03-28?20:40??LabFIR\DATA2

?????文件??????????0??2011-03-28?20:40??LabFIR\DATA3

?????文件???????1286??2011-03-28?20:40??LabFIR\FIR.asm

?????文件????????420??2011-03-28?20:40??LabFIR\FIR.cmd

?????文件????????775??2011-03-28?20:40??LabFIR\FIR.pjt

?????文件??????13613??2011-03-28?20:40??LabFIR\highpass\400.DAT

?????文件??????13233??2011-03-28?20:40??LabFIR\highpass\60.DAT

?????文件??????13625??2011-03-28?20:40??LabFIR\highpass\60400.DAT

............此處省略14個文件信息