//******************************************************************************
//               		SJTU DSP Tech. Center
//       Copyright (c) 2002 SJTU DSP Tech. Center. All Rights Reserved.
//	  History:
//		Date		Authors			Changes
//		2003/08/30	Fu Xuan			Created.
//******************************************************************************
#ifndef	_CODEC_C_H
#define _CODEC_C_H

#define data_size	1024

typedef	int	s16;

typedef	unsigned int u16;

//******************************************************************************
// Function Prototypes
//******************************************************************************
void	leds_on();

void	leds_off();

void	delay(s16 period);

void	init_mcbsp();

void	init_codec(
			 unsigned int ctr_reg_1
			,unsigned int ctr_reg_2
			,unsigned int ctr_reg_3
			,unsigned int ctr_reg_4
				  );

void	init_dma();

void	enable_codec();

void	processing(int *inBuf, int *outBuf, int N);

//interrupt void int_handler();
//******************************************************************************
//* Global Variables
//******************************************************************************
int	in_data_ping[data_size];
int	in_data_pong[data_size];
int	out_data_ping[data_size];
int	out_data_pong[data_size];
int	input_pingpong_flag;
int	output_pingpong_flag;
int	dmac0_int_flag;
int	dmac4_int_flag;
int *in_buf;
int	*out_buf;

#endif