main.h

ADI的ADSP-BF561下实现视频叠加的demo。

#ifndef  __MAIN_DEFINED
#define __MAIN_DEFINED

#include "..\system.h"

/********************************************************************************/
/***** Current Global variables	and types									*****/
/********************************************************************************/
// 250 pixel for each line, 16 lines. Results in 33 letters in a single row.
// The definition can be found in the file "L2_SRAM.c"
extern volatile unsigned int uiTextOverlay[16][125]; 
// Pointer that points to the array dedicated to hold the text
#define pMem ((volatile unsigned short *) (uiTextOverlay)) 
#define S1D_DISPLAY_WIDTH 250	// length of the Text field to be displayed

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

void TextOverlay(void);
void clear_vmem(unsigned short color);
void plot_xy(unsigned short x,unsigned short y,unsigned short color);
void register_font(unsigned char *rfont,unsigned char *rfont_w);
unsigned short put_char (unsigned char c, unsigned short posx, unsigned short posy, unsigned short color);
unsigned short put_string(unsigned char *string, unsigned short x,unsigned short y,unsigned short color  );


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



#endif