usb_pvar.h

来自「How to control USB interface under SZ pl」· C头文件 代码 · 共 20 行

#ifndef USB_P_VAR_INC
#define USB_P_VAR_INC

#include "usb_ptyp.h"
#include "DMA_pptt.h"
#include "usb.h"
#include "evt_typ.h"

extern U8               _gUsbMode;              // operation mode of driver
extern U8               _gUsbDrvStatus[2];      // Drive status
extern P_USB_CALLBACKS  _gUsbCallbacks;         // callback functions provided by caller
extern U8               _gUsbDrvNum;            // drive number (either 0 or 1)
extern U16              _gUsbSectorBuf[256];    // buffer for sector data
extern P_U16            _gpUsbBufPtr;           // pointer to buffer data
extern U8               _gUsbNumSector;         // number of sector to read/write
extern U16              _gUsbCurSector;         // current sector being read/write
extern U8               _gUsbPacketCount;       // USB packet count
extern U8               _gUsbDataToHost;        // flag indicating whether data is to be sent to host

#endif