talkthrough.h

vdk audio driver example

#ifndef __Talkthrough_DEFINED
#define __Talkthrough_DEFINED


//--------------------------------------------------------------------------//
// Symbolic constants														//
//--------------------------------------------------------------------------//
// addresses for Port A in Flash A
#define pFlashA_PortA_Dir	(volatile unsigned char *)0x20270006
#define pFlashA_PortA_Data	(volatile unsigned char *)0x20270004
// addresses for Port B in Flash A
#define pFlashA_PortB_Dir	(volatile unsigned char *)0x20270007
#define pFlashA_PortB_Data	(volatile unsigned char *)0x20270005

// names for codec registers, used for iCodec1836TxRegs[]
#define DAC_CONTROL_1		0x0000
#define DAC_CONTROL_2		0x1000
#define DAC_VOLUME_0		0x2000
#define DAC_VOLUME_1		0x3000
#define DAC_VOLUME_2		0x4000
#define DAC_VOLUME_3		0x5000
#define DAC_VOLUME_4		0x6000
#define DAC_VOLUME_5		0x7000
#define ADC_0_PEAK_LEVEL	0x8000
#define ADC_1_PEAK_LEVEL	0x9000
#define ADC_2_PEAK_LEVEL	0xA000
#define ADC_3_PEAK_LEVEL	0xB000
#define ADC_CONTROL_1		0xC000
#define ADC_CONTROL_2		0xD000
#define ADC_CONTROL_3		0xE000

// names for slots in ad1836 audio frame
#define INTERNAL_ADC_L0			0
#define INTERNAL_ADC_L1			1
#define INTERNAL_ADC_R0			4
#define INTERNAL_ADC_R1			5
#define INTERNAL_DAC_L0			0
#define INTERNAL_DAC_L1			1
#define INTERNAL_DAC_L2			2
#define INTERNAL_DAC_R0			4
#define INTERNAL_DAC_R1			5
#define INTERNAL_DAC_R2			6

// SPI transfer mode
#define TIMOD_DMA_TX 0x0003

// SPORT0 word length
#define SLEN_16	0x000F
#define SLEN_24	0x0017
#define SLEN_32	0x001f

// DMA flow mode
#define FLOW_1	0x1000


#endif //__Talkthrough_DEFINED