xmodem.h

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#ifndef XMODEM_H
#define XMODEM_H

#define XMODEM_BLOCK_SIZE 128
#define XMODEM_RETRIES    20
#define XMODEM_SOH        0x01  // start of header 128 block size
#define XMODEM_STX        0x02  // start of header 1024 block size
#define XMODEM_EOT        0x04  // end of text
#define XMODEM_ACK        0x06  // acknoledge
#define XMODEM_NAK        0x15 // negative acknoledge
#define XMODEM_ETB        0x17 // negative acknoledge
#define XMODEM_CAN        0x18 // cancel
#define XMODEM_CHAR_C     0x43 // char c

typedef struct{
    INT8U Put;
    INT8U Get;
    INT8U Data[130];
}XMODEM_BUFFER;
typedef struct{
    INT8U  State;
    INT8U  SubState;
    INT8U  Status;
    INT8U  InUse;
    INT16U Id;
    INT16U UserId;
    INT32U Timer;  // xmodem need INT32U timer
    INT8U  ReceiveStart;
    INT8U  ReceiveFinish;
    INT8U  BlockNumber;
    INT8U  Error;
    INT8U  ErrorCount;
    INT8U  ErrorCode;
    INT8U  ErrorRecord;
    INT8U  Checksum;
    INT8U  NewBlock;
    INT32U ByteCount;
    INT32U TotalBlockCount;
    INT8U *pData;
    XMODEM_BUFFER Buffer;
}XMODEM_CONTROL;

extern XMODEM_CONTROL XmodemCtrl;
extern void F_XmodemInit(void);
extern void F_XmodemSvc(void);
extern BOOL F_XmodemInUseCheck(void);
extern BOOL F_XmodemAllocate(INT16U UserId);
extern BOOL F_XmodemRelease(INT16U UserId);
extern BOOL F_XmodemRxReset(INT16U UserId);
extern BOOL F_XmodemRxStart(INT16U UserId);
extern BOOL F_XmodemStatusCheck(void);

#endif