#ifndef __JTAG_H__
#define __JTAG_H__

#include "ppt.h"

#define LOW 			 '0'               
#define HIGH			 '1'
   
// Pin Connections
//   TCK   :DATA[0]   (2) 
//   TDI   :DATA[1]   (3) 
//   TMS   :DATA[2]   (4) 
//   TDO   :STATUS[7] (11)

// Pin Connections
//   TCK   :DATA[1]   (3) 
//   TDI   :DATA[2]   (4) 
//   TMS   :DATA[3]   (5) 
//   TDO   :STATUS[7] (11)

// old jtag connection
#define TCK_H		0x01
#define TDI_H		0x02              
#define TMS_H		0x04
// new jtag connection
//#define TCK_H		0x04
//#define TDI_H		0x08              
//#define TMS_H		0x02
#define TCK_L		0x00
#define TDI_L		0x00              
#define TMS_L		0x00


#define JTAG_SET(value)	OutputPpt(value)
#define JTAG_GET_TDO()	( (InputPpt()&(1<<7)) ? LOW:HIGH )  //STATUS7 is read inverted. 		

// JTAG Instruction Definition for S3C6400
#define EXTEST		"0000"  //LSB...MSB
#define BYPASS		"1111"
#define IDCODE		"0111"
#define SAMPLE_PRELOAD	"1100"

extern int delayLoopCount;

void JTAG_ReadId(void);
void JTAG_RunTestldleState(void);
void JTAG_ShiftIRState(char *wrIR);
void JTAG_ShiftDRState(char *wrDR, char *rdDR);
void JTAG_ShiftDRStateNoTdo(char *wrDR);
void Delay(int count);

#endif //__JTAG_H__