#include?
#include?
#include?
#include?
#include?
#include?
#include?
#include?
#include?

#include?
#include?
#include?
#include?
#include?
#include?
#include?
#include?
#include?
#include?
#include?
#include?
#include?
#include?
#include?
#include?
#include?
#include?
#include?
#include?
#include?

//#include?“gpio_i2c.h“
#include?“hi_i2c.h“
#include?“audio.h“

#define?I2C_WRITE_BYTE（abc）?HI_I2C_Write（a?b?1c?1）
//#define?I2C_WRITE_BYTE（abc）?gpio_i2c_write（abc）
#define?I2C_READ_BYTE（ab）?HI_I2C_Read（a?b?11）
//#define?I2C_READ_BYTE（ab）?gpio_i2c_read（ab）

unsigned?int?audio_slave_addr[4]?=?{0x60?0x62?0x64?0x66};


/*
param:
dec[4]=?{0x600x620x640x66};
ch_num:?audio?channel?number
samplerate:?0[8k]?1[16k]
bits:?0[16bits]?1[8bits]
*/


void?audio_init（unsigned?char?dec?unsigned?char?ch_num?unsigned?char?samplerate?unsigned?char?bits）
{
	I2C_WRITE_BYTE（dec?0xff?0x01）;
	if（?（dec?==?0x60）?||?（dec?==?0x64））
	{
		I2C_WRITE_BYTE（dec?0x06?0x1a）;	
		I2C_WRITE_BYTE（dec?0x07?0x80|（samplerate<<3）|（bits<<2））;	//Rec?I2C?8K?16bit?:?master
		if（8?==?ch_num）
		{
			I2C_WRITE_BYTE（dec?0x06?0x1b）;
			I2C_WRITE_BYTE（dec?0x08?0x02）;???
			I2C_WRITE_BYTE（dec?0x0f?0x54）;????//set?I2S?right?sequence
			I2C_WRITE_BYTE（dec?0x10?0x76）;
		}
		else?if（4?==?ch_num）
		{
			I2C_WRITE_BYTE（dec?0x06?0x1b）;
			I2C_WRITE_BYTE（dec?0x08?0x01）;
			I2C_WRITE_BYTE（dec?0x0f?0x32）;???//set?I2S?right?sequence
		}

		I2C_WRITE_BYTE（dec?0x13?0x80|（samplerate<<3）|（bits<<2））;	//?PB?I2C?8k?16bit?:?master
		I2C_WRITE_BYTE（dec?0x23?0x10）;??//?Audio?playback?out
		//I2C_WRITE_BYTE（dec?0x23?0x18）;??//?Audio?mix?out

	}
	else
	{
		I2C_WRITE_BYTE（dec?0x06?0x19）;	
		I2C_WRITE_BYTE（dec?0x07?0x00|（samplerate<<3）|（bits<<2））;	//Rec?I2C?16K?16bit?:?slave
		I2C_WRITE_BYTE（dec?0x13?0x00|（samplerate<<3）|（bits<<2））;	//?PB?I2C?8k?16bit?:?slave
	}	
	
	I2C_WRITE_BYTE（dec?0x24?0x14）;?//set?mic_1‘s?data?to?i2s_sp?left?channel
	I2C_WRITE_BYTE（dec?0x25?0x15）;?//set?mic_2‘s?data?to?i2s_sp?right?channel
}





unsigned?int?audio_set_chnnum（unsigned?int?ch_num）
{
	unsigned?char?result;
	unsigned?char?value;
	unsigned?char?dec;
	
	dec?=?audio_slave_addr[0];

	switch（ch_num）
	{
		case?2:
			{
				value?=?0;?
				result?=?I2C_READ_BYTE（dec?0x08）;	
				result?=?result&0xfc;
				I2C_WRITE_BYTE（dec?0x08?result|value）;?
				I2C_WRITE_BYTE（dec?0x0f?0x12）;???//set?I2S?right?sequence
			}
			break;

		case

?屬性????????????大小?????日期????時(shí)間???名稱(chēng)
-----------?---------??----------?-----??----

?????文件??????13175??2016-03-18?18:19??nvp6114\nvp6114_drv.c

?????文件???????6369??2016-03-18?18:19??nvp6114\motion.c

????.......??????2239??2016-03-18?18:19??nvp6114\coax_protocol.h

?????文件??????52859??2016-03-18?18:19??nvp6114\video.c

?????文件???????4924??2016-03-18?18:19??nvp6114\audio.c

?????文件??????32115??2016-03-18?18:19??nvp6114\coax_protocol.c

????.......???????685??2016-03-18?18:19??nvp6114\audio.h

????.......??????4072??2016-03-18?18:19??nvp6114\nvpcommon.h

?????文件????????378??2016-03-18?18:19??nvp6114\Makefile

?????文件???????4821??2016-03-18?18:19??nvp6114\nvp6114.h

????.......???????628??2016-03-18?18:19??nvp6114\video.h

????.......???????365??2016-03-18?18:19??nvp6114\motion.h

?????目錄??????????0??2016-07-22?11:11??nvp6114

-----------?---------??----------?-----??----

???????????????122630????????????????????13