common.h

s3c44b0+sl811读写u盘程序

#define VIDEOSIZE     49000
#define PICTURESIZE   21168
#define PCMSIZE       256*16



#define C51_TO_DSP_PORT       *(unsigned short *)0x7e
#define DSP_TO_51_PORT        *(unsigned short *)0x7d
#define COM_PORT              *(unsigned short *)0x7c
#define VIDEO_PORT            (int *)0x4000
#define PCM_PORT              (int *)0x4000

void delay(int k);

/////////////////////////////////

#define NULL		0
#define TRUE   		1
#define FALSE  		0

#define UARTBUF_LENGTH  520//16384
#define BUFFER_LENGTH	520 //8192
#define MAX_READ_LENGTH 1024//16384
#define MAX_WRITE_LENGTH 1024//2048

typedef unsigned char       INT8;
typedef unsigned short      INT16;
typedef unsigned long       INT32;

typedef union {
    struct 
    {
        INT8    Type;
        INT8    Index;
    } Descriptor;

    struct 
    {
        INT8 tx0;  // MSB for 8051 Keil C
        INT8 tx1;   
        INT8 endp;   
        INT8 c0;   // LSB for 8051 Keil C
    } chars;

    struct 
    {
        INT8 c3;  // MSB for 8051 Keil C
        INT8 c2;   
        INT8 c1;   
        INT8 c0;   // LSB for 8051 Keil C
    } chars0;

    struct
    {
        INT16 i1;    // MSW for 8051 keil C
        INT16 i0;    // LSW for 8051 Keil C
    } ints;

    INT32 u0;

} FLEXI_INT32;

typedef union  {
    struct 
    {
        INT8 c1;   // MSB for 8051 Keil C
        INT8 c0;   // LSB for 8051 Keil C
    } chars;

    INT16 i0;
} FLEXI_INT16, * PFLEXI_INT16;


typedef union __FLAGS
{
	struct _FLAGS
	{
		unsigned char bTimer               	;
		unsigned char bIN_ISR		      	;
		unsigned char   bCOM_ERR		;
		unsigned char   bTimeout		;
		unsigned char   SLAVE_IS_ATTACHED	;
		unsigned char   SLAVE_REMOVED		;
		unsigned char  	SLAVE_FOUND		;	// Slave USB device found
		unsigned char  	SLAVE_ENUMERATED	;	// slave USB device enumeration done
		unsigned char   SLAVE_ONLINE		;
		unsigned char 	TIMEOUT_ERR		;				// timeout error during data endpoint transfer
		unsigned char	DATA_STOP		;					// device unplugged during data transfer
		unsigned char bData1			;
		unsigned char bUartInDone		;
		///////////////////////////////////////////
		unsigned char bMassDevice		;
		
	} bits;
	
} FLAGS;