common.h

使用SL811芯片的USB_FAT文件系统源代码

#ifndef _COMMON_H_
#define _COMMON_H_
///////////////////////////////////////////////////////

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

#define UARTBUF_LENGTH  	2000//16384//520//
#define BUFFER_LENGTH		8192//520 //
#define MAX_READ_LENGTH 	16384//1024//
#define MAX_WRITE_LENGTH 	2048//1024//

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

typedef union __FLAGS
{
	struct _FLAGS
	{
		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;

#endif/*_COMMON_H_*/