talkthrough.h

VDSP++ code for talkthrough program modified to act as a transmitter.

#ifndef  __Talkthrough_DEFINED
	#define __Talkthrough_DEFINED

//--------------------------------------------------------------------------//
// Header files																//
//--------------------------------------------------------------------------//
#include <sys\exception.h>
#include <cdefBF533.h>

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

// names for codec registers, used for sCodec1836TxRegs[]
#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_R0			2
#define INTERNAL_DAC_L0			0
#define INTERNAL_DAC_R0			2
///#define INTERNAL_ADC_L1			1
///#define INTERNAL_ADC_R1			3
#define INTERNAL_DAC_L1			1
#define INTERNAL_DAC_R1			3

// size of array sCodec1836TxRegs
#define CODEC_1836_REGS_LENGTH	8

// SPI transfer mode
#define TIMOD_DMA_TX 0x0003

// SPORT0 word length
#define SLEN_24	0x0017

// DMA flow mode
#define FLOW_1	0x1000


//--------------------------------------------------------------------------//
// Global variables															//
//--------------------------------------------------------------------------//
///extern int iChannel0LeftIn;
///extern int iChannel0RightIn;
extern int iChannel0LeftOut;
extern int iChannel0RightOut;
///extern int iChannel1LeftIn;
///extern int iChannel1RightIn;
extern int iChannel1LeftOut;
extern int iChannel1RightOut;
extern volatile short sCodec1836TxRegs[];
///extern volatile int iRxBuffer1[];
extern volatile int iTxBuffer1[];
extern int *p;
extern int count;

//--------------------------------------------------------------------------//
// Prototypes																//
//--------------------------------------------------------------------------//
// in file Initialize.c
void Init_EBIU(void);
void Init_Flash(void);
void Init1836(void);
void Init_Sport0(void);
void Init_DMA(void);
void Init_Interrupts(void);
void Enable_DMA_Sport(void);

// in file Process_data.c
void Process_Data(void);

// in file ISRs.c
///EX_INTERRUPT_HANDLER(Sport0_RX_ISR);

EX_INTERRUPT_HANDLER(Sport0_TX_ISR);
#endif //__Talkthrough_DEFINED