#include "davincievm_aic33.h"#include "davincievm_i2c.h"#define AIC23_I2C_ADDR 0x1a
Int16 sample;Int16 sample_data;    /* Loop */Uint16 temp;Uint32 temp1,temp2[5];/* ------------------------------------------------------------------------ * *                                                                          * *  AIC23_rset                                                            * *                                                                          * *      Set codec register regnum to value regval                           * *                                                                          * * ------------------------------------------------------------------------ */void AIC23_rset( Uint8 regnum, Uint8 regval ){    Uint8 cmd[2];	if(regnum<4)    cmd[0] = (regnum<<1)|0x01;    // 8-bit Register Address	else	cmd[0] = (regnum<<1);    cmd[1] = regval;    // 8-bit Register Data    temp=DAVINCIEVM_I2C_write( AIC23_I2C_ADDR, cmd, 2);}/* ------------------------------------------------------------------------ * *                                                                          * *  AIC23_rget                                                            * *                                                                          * *      Return value of codec register regnum                               * *                                                                          * * ------------------------------------------------------------------------ */Uint8 AIC23_rget( Uint8 regnum ){    Uint8 cmd[2];    cmd[0] = regnum;    // 8-bit Register Address    cmd[1] = 0;         // 8-bit Register Data    DAVINCIEVM_I2C_write ( AIC23_I2C_ADDR, cmd, 1 );    DAVINCIEVM_I2C_read (  AIC23_I2C_ADDR, cmd, 1 );    return cmd[0];}void AIC23_init( ){	AIC23_rset( 0x0f, 0x00 );    AIC23_rset( 0x06, 0x00 );            AIC23_rset( 0x07, 0x53);	AIC23_rset( 0x04, 0x11 );	AIC23_rset( 0x05, 0x01);	AIC23_rset( 0x08, 0x00 );	AIC23_rset( 0x02, 0xff );    AIC23_rset( 0x00, 0x17 );  	AIC23_rset( 0x03, 0xff );	AIC23_rset( 0x01, 0x17 );	AIC23_rset( 0x09, 0x01 );    DAVINCIEVM_waitusec( 1000 );     }Int16 aic23_linein_to_lineout_loop_test( ){	   AIC33_CodecHandle aic23handle;	   AIC23_init( );	   aic23handle = DAVINCIEVM_AIC33_openCodec( 0 );        for (;;)        {            /* Read a sample */            while ( ! ( DAVINCIEVM_AIC33_read16( aic23handle, &sample_data ) ) );            /* Send a sample */            while ( ! ( DAVINCIEVM_AIC33_write16( aic23handle, sample_data ) ) );        }}