xmodem.c File Reference

main source file for S.F.T. XMODEM library More...

#include "xmodem.h"

Go to the source code of this file.

Data Structures
struct	_XMODEM_BUF_
	Structure defining an XMODEM CHECKSUM packet. More...
struct	_XMODEMC_BUF_
	Structure defining an XMODEM CRC packet. More...
struct	_XMODEM_
	Structure that identifies the XMODEM communication state. More...
Defines
#define	PACKED   __attribute__((__packed__))
#define	_SOH_   1 /* start of packet - note XMODEM-1K uses '2' */
#define	_EOT_   4
#define	_ENQ_   5
#define	_ACK_   6
#define	_NAK_   21 /* NAK character */
#define	_CAN_   24 /* CAN character CTRL+X */
#define	DEBUG_I1   /*normally does nothing*/
#define	DEBUG_I2   /*normally does nothing*/
#define	DEBUG_I3   /*normally does nothing*/
Typedefs
typedef struct _XMODEM_BUF_	XMODEM_BUF
	Structure defining an XMODEM CHECKSUM packet.
typedef struct _XMODEMC_BUF_	XMODEMC_BUF
	Structure defining an XMODEM CRC packet.
typedef struct _XMODEM_	XMODEM
	Structure that identifies the XMODEM communication state.
Functions
unsigned char	CalcCheckSum (const char *lpBuf, short cbBuf)
	Calculate checksum for XMODEM packet.
static unsigned short	my_htons (unsigned short sVal)
	Calculate checksum for XMODEM packet.
unsigned short	CalcCRC (const char *lpBuf, short cbBuf)
	Calculate 16-bit CRC for XMODEM packet.
unsigned long	MyMillis (void)
	Return internal 'milliseconds' value for timing purposes.
void	GenerateSEQ (XMODEM_BUF *pBuf, unsigned char bSeq)
	Generate a sequence number pair, place into XMODEM_BUF.
void	GenerateSEQC (XMODEMC_BUF *pBuf, unsigned char bSeq)
	Generate a sequence number pair, place into XMODEMC_BUF (the CRC version)
short	GetXmodemBlock (SERIAL_TYPE ser, char *pBuf, short cbSize)
	Get an XMODEM block from the serial device.
int	WriteXmodemChar (SERIAL_TYPE ser, unsigned char bVal)
	Write a single character to the serial device.
int	WriteXmodemBlock (SERIAL_TYPE ser, const void *pBuf, int cbSize)
	Send an XMODEM block via the serial device.
void	XModemFlushInput (SERIAL_TYPE ser)
	Read all input from the serial port until there is 1 second of 'silence'.
void	XmodemTerminate (XMODEM *pX)
	Terminate the XMODEM connection.
short	ValidateSEQ (XMODEM_BUF *pX, unsigned char bSeq)
	Validate the sequence number of a received XMODEM block.
short	ValidateSEQC (XMODEMC_BUF *pX, unsigned char bSeq)
	Validate the sequence number of a received XMODEM block (CRC version)
int	ReceiveXmodem (XMODEM *pX)
	Generic function to receive a file via XMODEM (CRC or Checksum)
int	SendXmodem (XMODEM *pX)
	Generic function to send a file via XMODEM (CRC or Checksum)
int	XReceiveSub (XMODEM *pX)
	Calling function for ReceiveXmodem.
int	XSendSub (XMODEM *pX)
	Calling function for SendXmodem.
int	XReceive (SERIAL_TYPE hSer, const char *szFilename, int nMode)
	Receive a file using XMODEM protocol.
int	XSend (SERIAL_TYPE hSer, const char *szFilename)
	Send a file using XMODEM protocol.

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Detailed Description

main source file for S.F.T. XMODEM library

S.F.T. XMODEM library

Definition in file xmodem.c.