main.h.bak

This directory contains a code example that demonstrates the functionality of the general purpose t

#ifndef  __MAIN_DEFINED
#define __MAIN_DEFINED

#include "..\system.h"
#define pTC_PER 		(volatile unsigned short *)TC_PER

/********************************************************************************/
/***** Current Global variables	and types									*****/
/***** All global variables are defined in main.c							*****/
/********************************************************************************/

// scalars
extern volatile int current_in_Frame;


// DMA descriptor lists 

struct sDMA_descriptor {struct sDMA_descriptor* next_descriptor;
					    volatile short *start_address;
};
typedef struct sDMA_descriptor tDMA_descriptor;


extern tDMA_descriptor DMA_PPI0_first;
extern tDMA_descriptor DMA_PPI0_second;
extern tDMA_descriptor DMA_PPI0_third;
extern tDMA_descriptor DMA_PPI0_fourth;



// DMA buffers for each frame 

extern volatile short sFrame0[];
extern volatile short sFrame1[];
extern volatile short sFrame2[];
extern volatile short sFrame3[];



/********************************************************************************/
/***** Symbolic constants													*****/
/********************************************************************************/

// system constants  

#define CLKIN	  (33.33333e6)	// clockin frequency in Hz
#define CORECLK  (600e6)		// core clock frequency in Hz
#define SYSCLK	  (120e6)		// system clock frequency in Hz


#define ENTIRE_FIELD_MODE		// comment out for Active Field only
#define PACK_32					// comment out for unpacked DMA transfers


#ifdef ENTIRE_FIELD_MODE
	#define PIXEL_PER_LINE 	(858)
#else
	#define PIXEL_PER_LINE 	(720)
#endif

#define LINES_PER_FRAME		(525)


#define Frame_Size   		(PIXEL_PER_LINE * LINES_PER_FRAME)


/********************************************************************************/
/***** Prototypes functions													*****/
/********************************************************************************/


void InitPPI0(bool entire_field, bool pack32, tDMA_descriptor* First_Header, short pixel, short lines);
void InitPPI1(bool pack32, tDMA_descriptor* First_Header, short pixel, short lines);
void Reset_ADV7183(void );


void InitSDRAM(void);
void Set_PLL(short CoreCLOCK_multiplier, short SCLK_divider);


/********************************************************************************/
/***** Prototypes interrupts												*****/
/********************************************************************************/

void InitInterrupts_coreA(void);
void InitInterrupts_coreB(void);

EX_INTERRUPT_HANDLER(PPI0_RxIsr);
EX_INTERRUPT_HANDLER(PPI1_TxIsr);

EX_EXCEPTION_HANDLER(ex_handler_coreA);
EX_EXCEPTION_HANDLER(ex_handler_coreB);





extern int _CORE;




#endif