xmodem | XMODEM protocol implementation for Python

by tehmaze Python Version: 0.4.7 License: MIT

X-Ray Key Features Code Snippets Community Discussions(2)Vulnerabilities Install Support

kandi X-RAY | xmodem Summary

xmodem is a Python library. xmodem has no bugs, it has no vulnerabilities, it has build file available, it has a Permissive License and it has high support. You can install using 'pip install xmodem' or download it from GitHub, PyPI.

XMODEM protocol implementation for Python

Support

Quality

Security

License

Reuse

Support

xmodem has a highly active ecosystem.

It has 90 star(s) with 55 fork(s). There are 14 watchers for this library.

It had no major release in the last 12 months.

There are 6 open issues and 18 have been closed. On average issues are closed in 397 days. There are 2 open pull requests and 0 closed requests.

It has a negative sentiment in the developer community.

The latest version of xmodem is 0.4.7

Quality

xmodem has 0 bugs and 0 code smells.

Security

xmodem has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.

xmodem code analysis shows 0 unresolved vulnerabilities.

There are 0 security hotspots that need review.

License

xmodem is licensed under the MIT License. This license is Permissive.

Permissive licenses have the least restrictions, and you can use them in most projects.

Reuse

xmodem releases are available to install and integrate.

Deployable package is available in PyPI.

Build file is available. You can build the component from source.

xmodem saves you 351 person hours of effort in developing the same functionality from scratch.

It has 839 lines of code, 52 functions and 9 files.

It has high code complexity. Code complexity directly impacts maintainability of the code.

Top functions reviewed by kandi - BETA

kandi has reviewed xmodem and discovered the below as its top functions. This is intended to give you an instant insight into xmodem implemented functionality, and help decide if they suit your requirements.

Run xmod
Receive data from stream
Send packet to stream
Verify checksum of incoming data
Calculate checksum of data
Calculate the CRC for the given data
Send a CAN command
Calculate checksum
Make the send header
Run the command line interface
Send data to a file

Get all kandi verified functions for this library.

xmodem Key Features

No Key Features are available at this moment for xmodem.

xmodem Examples and Code Snippets

No Code Snippets are available at this moment for xmodem.

Community Discussions

Trending Discussions on xmodem

Bash - Reading from file descriptor simultaneously

How to format a byte array to a 16bit CRC check for a Modbus frame?

QUESTION

Bash - Reading from file descriptor simultaneously

Asked 2022-Mar-06 at 00:30

I am working with Linux file descriptor at the moment to communicate with an external device via serial port, and I wonder if it is possible for me to duplicate the result returned the device.

In details, I used file descriptor number 5 to read and write to the serial port /dev/ttyACM0 in a raspbian device.

...

ANSWER

Answered 2022-Mar-06 at 00:30

Try

Source https://stackoverflow.com/questions/71362794

QUESTION

How to format a byte array to a 16bit CRC check for a Modbus frame?

Asked 2020-May-25 at 20:29

I am currently trying to use an Arduino UNO R3 as a master in a Modbus serial (not TCP/IP) communications protocol. I have attempted to use outdated libraries for this with no avail, mostly due to deprecated dependencies. Anyways I decided to start from scratch and my current goal is to write a value to register 301 (starting address 300) to a slave I.D. "5". Before connecting to my slave I want to make sure I can regenerate the CRC for the frame depending on whether I write a 0, 1, or 2 to the register. For writing a 1 I have the frame as "05 06 01 2D 00 01 D8 7B" and from my research I can tell that "D8 7B" is the 16-bit CRC for the data. However the problem is that I can't seem to replicate the CRC output on my Arduino. I believe it has to do with how I have prepared and formatted my byte array but I am not sure. I do not understand the CRC algorithms well which is why I am using a library, any help would be greatly appreciated.

The following code is a slight variation of the example sketch provided with vinmenn's Crc16 library.

...

ANSWER

Answered 2020-May-25 at 20:05

As for replicating Modbus CRC16 with byte by byte method, according to the source, you need to use the parameters:

poly=0x8005
init=0xffff
refin=true
refout=true
xorout=0x0000
check=0x4b37

which means you should initialize crc as:

Source https://stackoverflow.com/questions/62009020

Community Discussions, Code Snippets contain sources that include Stack Exchange Network

Vulnerabilities

No vulnerabilities reported

Install xmodem

You can install using 'pip install xmodem' or download it from GitHub, PyPI.
You can use xmodem like any standard Python library. You will need to make sure that you have a development environment consisting of a Python distribution including header files, a compiler, pip, and git installed. Make sure that your pip, setuptools, and wheel are up to date. When using pip it is generally recommended to install packages in a virtual environment to avoid changes to the system.

Support

For any new features, suggestions and bugs create an issue on GitHub. If you have any questions check and ask questions on community page Stack Overflow .

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