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General purpose ASTM communication program in Linux and Python

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nishishailesh/astm_general

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About

If you wish unidirectional communication with medical equipment using ASTM protocol this might be useful

It handles both RS232 (COM Port, ttyS0 etc ) and TCP connections via LAN/wifi

It is tested with

Erba biochemistry analysers (XL-640)
Note: Erba XL-640 with Windows-XP have problem with resources. Use Windows 7 or above
ElitePro Coagulation analyser
It must work with any analyser following ASTM protocol

prerequisites

  • Linux ( Tested in debian, but must work with any)
  • Python3 +
  • Some python 3 libraries like sys,logging, signal time,datetime,socket,serial
  • Most libraries are deault installation with python in Linux
  • See log file for missing libraries

This project have astm_general.py file as sole code

  • The program simply sends ACK on receipt of ENQ and LF from equipment
  • The data received (from ENQ to EOT ) is saved in a file (see below)
  • It is up to user to decide what to do with this data (e.g. database interfacing)
  • manual edit of file required for following
    • to select the mode (tty or tcp)
    • to select tty device (if tty mode)
    • to select ip and port (if tcp mode)
    • to specify folder for saving data files
    • to specify file where log will be stored
  • make file executable
chmod +x astm_general.py
  • run script
  • use inotifywait to see files being created
  • see log file for error

What Next

  • create service to run at boot time (I am planning to add its example)
  • create mysql support for database insertion
  • program for bidirectional service

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General purpose ASTM communication program in Linux and Python

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