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Questions tagged [xmodem]

XMODEM is a simple file transfer protocol developed by Ward Christensen.

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Not getting ack after sending xmodem frame

I have a device connected to serial port and waiting for a file to be transmited using xmodem protocol. I have tried constructing a message using in xmodem format and sending it, however I'm not getting the expected ACK for the transfer. Bellow are…
triple fault
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php calculated CRC-CCITT (XModem)

I'm trying to implement a CRC-CCITT (XModem) check in php without success. Does anyone know how to do it? I expected crc16('test') will return 0x9B06.
Dmitriy Antonenko
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python retrieve file from serial port

I want to retrieve/get file from serial port on Windows 7 machine via python2.7. I'm trying to do it with xmodem, but unsuccessfully. In the other words, I have connected the Linux router to my PC with a Serial cable and I want to retrieve a file by…
tester125
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tcl to handle embedded system firmware upgrade through xmodem

I am attempting to handle device firmware upgrade for one of my embedded system devices through Xmodem in TCL. I have searched for the solution the whole day but had no luck to succeed. Does anyone have any ideas to share? Thanks.
Eric Lin
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Reading a file in python 3.x as Bytes/Strings for PySerial/Xmodem

I'm trying to read a binary file into a buffer and then transmit it using pyserial/xmodem. my test code: send_buf = open('test.py', 'rb') xmInst = XMODEM(self.getc, self.putc) xmInst.send (send_buf) xmodem send code: ... data =…
ben
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send file using XMODEM in python

I'm trying to transfer a file using the XMODEM protocol I saw the solution provided in this link:Please help in using xmodem protocol but in my case, the file can be sent but not with this contents, please help me... here is my send code : import…
aldim
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Does any one have YMODEM package for Python.?

I'm trying to find the package modem 1.0 listed in PyPi and hence want to use ymodem from it. The package description in this link http://pypi.python.org/pypi/modem only gives the description and not the download link unlike in this link…
manz
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How to import 3rd party GitHub libraries into project for C#

I want to use this library in my local project https://github.com/emancipatedMind/XmodemProtocol I want to use the functions in this library. There's no instruction how to import it... How can I do that?
c_c
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