ymodem

Documentation

Index

• Constants
• Variables
• func CRC16(data []byte) uint16
• func CRC16Constant(data []byte, length int) uint16
• func ModemReceive(c io.ReadWriter) (string, []byte, error)
• func ModemSend(c io.ReadWriter, data []byte, filename string) error

Constants

const (
	SOH  byte = 0x01
	STX  byte = 0x02
	EOT  byte = 0x04
	ACK  byte = 0x06
	NAK  byte = 0x15
	POLL byte = 0x43

	ShortPacketPayloadLen = 128
)

ymodem constants

Variables

var (
	LongPacketPayloadLen = getLongPacketPayloadLen()

	// default errors
	ErrInvalidPacket   = errors.New("invalid packet")
	ErrSendingEndBlock = errors.New("failed to send end block")
)

Functions

func CRC16

func CRC16(data []byte) uint16

CRC16 calculate crc16

func CRC16Constant

func CRC16Constant(data []byte, length int) uint16

CRC16Constant calculate constant crc16

func ModemReceive

func ModemReceive(c io.ReadWriter) (string, []byte, error)

ModemReceive nodoc

func ModemSend

func ModemSend(c io.ReadWriter, data []byte, filename string) error

ModemSend sends given file data to the stream.