X-Modem serial transmission protocol (implementation) More...

#include "xmodem.h"
#include "cfg/cfg_xmodem.h"
#include <cfg/debug.h>
#include <cfg/log.h>
#include <algo/crc.h>
#include <string.h>

Defines
#define	XM_BUFSIZE 128
	128 bytes of block buffer
Protocol control codes
#define	XM_SOH 0x01
	Start Of Header (128-byte block)
#define	XM_STX 0x02
	Start Of Header (1024-byte block)
#define	XM_EOT 0x04
	End Of Transmission.
#define	XM_ACK 0x06
	Acknowledge block.
#define	XM_NAK 0x15
	Negative Acknowledge.
#define	XM_C 0x43
	Request CRC-16 transmission.
#define	XM_CAN 0x18
	CANcel transmission.
Functions
bool	xmodem_recv (KFile ch, KFile fd)
	Receive a file using the XModem protocol.
bool	xmodem_send (KFile ch, KFile fd)
	Transmit some data using the XModem protocol.

Detailed Description

X-Modem serial transmission protocol (implementation)

Supports the CRC-16 and 1K-blocks variants of the standard.

Author:: Bernie Innocenti <bernie@codewiz.org>; Francesco Sacchi <batt@develer.com>

Definition in file xmodem.c.

Function Documentation

Receive a file using the XModem protocol.

Parameters:

ch	Channel to use for transfer
fd	Destination file

Definition at line 90 of file xmodem.c.

Transmit some data using the XModem protocol.

Parameters:

ch	Channel to use for transfer
fd	Source file

Note:: This function allocates a large amount of stack for the XModem transfer buffer (

Definition at line 316 of file xmodem.c.