system.h

此程序是在blackfin下实现的摄像头程序

// Sets up here all Prototype Functions 
void Init_EBIU(void);
void Init_Flash(void);
void Init_ADV(void);
void Init_Interrupts(void);
void Init_SDRAM(void);
void Init_DMA(void);
void Init_PPI(void);
void Init_PLL(void);


#define CAPTURE_MODE_VGA
#define SENSOR_REG_SIZE  217

#ifdef CAPTURE_MODE_VGA

	#define PIXEL_PER_LINE 640 // # of samples expected from the sensor
	#define LINES_PER_FRAME 480 // # of lines expected from the sensor
	#define PPICOUNT 1279
	
#else	

	#define PIXEL_PER_LINE 320 // # of samples expected from the sensor
	#define LINES_PER_FRAME 240 // # of lines expected from the sensor
	#define PPICOUNT 639
	
#endif



extern unsigned char Sensor_Reg[SENSOR_REG_SIZE];
extern volatile unsigned short VideoInputFrame[LINES_PER_FRAME][PIXEL_PER_LINE];