glodef.h

在TI的C6000系列高速DSP下实现对FLAH芯片的读写

#ifndef _GLODEF_H
#define _GLODEF_H
#ifdef MAIN
#define GLOBAL(a, b)		a b;
#else
#define GLOBAL(a, b)		extern a b;	
#endif

typedef struct 
{
	short x;
	short y;        
	unsigned short COD;
	unsigned short Mode;
}MotionVector;






/*#define mmax(a, b)        ((a) > (b) ? (a) : (b))
#define mmin(a, b)        ((a) < (b) ? (a) : (b)) 
#define sign(a)        ((a) < 0 ? -1 : 1)
*/

/*  define address for FIFO Read/WRite in CE3 */
#define FIFO_ADDR		0x300C000	/*define FIFO ADDR FOR CE3*/  
#define MB_LINE_Y_ADDR		0x8000be00      /* 64 * 6 * 22 = 8448 = 2100h for YUV in which  Y = 1600h*/                                    
#define MB_LINE_UV_ADDR		0x80009d00      /* 64 * 1 * 22 = 1408 = 580h */                                    
#define MB_PREV_ADDR	    0x80009b80      /*  len = 300h in Byte , */
#define MB_DIFF_ADDR		0x80009800		/* size = 8 x 8 x 6 x 2= 768 byte,0x300,align to word add 80h for IDCT*/ 
#define MV_ADDR				0x80009750		/* len = 8 * 22 = b0h*/
#define BIT_ADDR_4          0x80008000
#define BIT_ADDR_3			0x80007800		
#define BIT_ADDR_2			0x80007000		
#define BIT_ADDR_1			0x80006800		/* Each Bit buffer = 4K bits, for 1M bits/s transfer, flash one buffer use 4.1 ms , process one frame */


  
  
  
  /* definitions for H263 coding */
#define PSC        1
#define PSC_LENGTH        17       // not including the following 5 zeroes
  
  
#define ESCAPE                          7167
#define PCT_INTRA                       0
#define PCT_INTER                       1
#define PCT_IPB                         2
#define PCT_B                           3
#define PCT_EI                          4
#define PCT_EP                          5
#define PCT_PB                          6
  
#define SF_SQCIF                        1  /* 001 */
#define SF_QCIF                         2  /* 010 */
#define SF_CIF                          3  /* 011 */
#define SF_4CIF                         4  /* 100 */
#define SF_16CIF                        5  /* 101 */
#define SF_CUSTOM                       6  /* 110 */
#define SF_EPTYPE                       7  /* 111 Extended PTYPE */
  
  
#define MODE_INTER                      0
#define MODE_INTER_Q                    1
#define MODE_INTER4V                    2
#define MODE_INTRA                      3
#define MODE_INTRA_Q                    4
#define MODE_INTER4V_Q					5
  
  
  /* define vars  for decoding */
#define SE_CODE                         31
  typedef struct 
  {
	  unsigned short source_format;
	  unsigned short MB_lines;
	  unsigned short MB_pels;
	  unsigned short Lines;
	  unsigned short Pels;
	  unsigned short Cpels;
	  unsigned short Clines;	
	  unsigned short picture_coding_type;
	  unsigned short unrestricted_mv_mode;
	  unsigned short syntax_arith_coding;
	  unsigned short adv_pred_mode;
	  unsigned short PB;
	  unsigned short QP;
	  unsigned short PEI; 
	  unsigned short RTYPE;
	  short D_QP;
  }Str_Pict;
  
  typedef  struct 
  {  
	  unsigned char * pReadBit;/* next Byte to be read */
	  unsigned char In_buf[12];
	  short In_cnt;
	  unsigned short Bit_cnt;  
	  short * Block[6];
  } Base;
  
  
  
	  GLOBAL(Base , MB_Base)  
	  GLOBAL(Str_Pict,Pict)
	  GLOBAL(unsigned int, nDecodeNum) 
	  GLOBAL(unsigned char, DMA_Status)    

/*  0    0    0     0       
   DMA0	DMA1 DMA2  DMA3	    
DMA n = "0", DMA is ending ="1"  Runing    */

	  GLOBAL(unsigned char, Decode_Status)   
	  GLOBAL(unsigned int, DMA3_trans_cnt)
/*  0            0               0             0            0  
VideoOut_OK	Bit1_RECV_OK    Bit2_RECV_OK   Bit3_RECV_OK     Bit4_RECV_OK

VideoOut_OK = "0": VideoOut not ready = "1" : ready                  
Bitn_RECV_OK = "0": recv to BIT_ADDR_n is not ending ,  ="1":  ending

  */
	  
#define		DECODE_0_Y		0x2100000		
#define		DECODE_0_UV		0x2118c00		

#define     DECODE_1_Y		0x2125200
#define     DECODE_1_UV		0x213de00  
#define     DISPLAY 		0x2000000
#define 	DISPLAY2		0x2031800

	  
	  GLOBAL(unsigned char *, pDecode_Curr_Y)
	  GLOBAL(unsigned char *, pDecode_Curr_UV)
	  
	  GLOBAL(unsigned char *, pDecode_Prev_Y)
	  GLOBAL(unsigned char *, pDecode_Prev_UV)   
	  GLOBAL(unsigned char *, pDisplay)
#endif