Lightweight Cellular AT parser

August 27, 2023 ยท View on GitHub

LwCELL is lightweight, platform independent, cellular modem AT commands parser, targeting (as of today) communicion with SIMCOM based modules SIM800/SIM900 or SIM70xx. Module is written in C11 and is independent from used platform. Its main targets are embedded system devices like ARM Cortex-M, AVR, PIC and others, but can easily work under Windows, Linux or MAC environments.

Read first: Documentation

Features

  • Supports SIM800/SIM900 (2G) and SIM7000/SIM7020 (NB-Iot LTE) modules
  • Platform independent and very easy to port
    • Development of library under Win32 platform
    • Provided examples for ARM Cortex-M or Win32 platforms
  • Written in C language (C11)
  • Allows different configurations to optimize user requirements
  • Supports implementation with operating systems with advanced inter-thread communications
    • Currently only OS mode is supported
    • 2 different threads handling user data and received data
      • First (producer) thread (collects user commands from user threads and starts the command processing)
      • Second (process) thread reads the data from GSM device and does the job accordingly
  • Allows sequential API for connections in client and server mode
  • Includes several applications built on top of library:
    • MQTT client for MQTT connection
  • User friendly MIT license

Contribute

Fresh contributions are always welcome. Simple instructions to proceed:

  1. Fork Github repository
  2. Follow C style & coding rules already used in the project
  3. Create a pull request to develop branch with new features or bug fixes

Alternatively you may:

  1. Report a bug
  2. Ask for a feature request