nearwood / libISP2

Library for communicating using "Innovate Serial Protocol" version 2

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libISP2

A library designed to provide easy communication with a device sending data via the Innovate Serial Protocol version 2. This library is currently read-only.

About

The main project is the library, libISP2, which attempts to decode a stream that uses the Innovate Serial Protocol and provides a simple API to access any valid data within that stream.

There is an example project that shows basic usage with a file descriptor:

/libiSP2_example [-v] [-d] [-s] file

Where:

  • file - A file or device node. If a file, should be raw binary output from a supported Innovate device.
  • -s - file is a serial port (eg. /dev/ttyS0, /dev/ttyUSB0). Sets up correct baud rate and whatnot to work.
  • -d - Add a ~40ms delay to file input to simulate realtime. Don't use this with -s.
  • -v - Not implemented

Details

libISP2 provides the function ISP2::isp2_read. The first argument is a file descriptor, the second is an isp2_t struct. It will attempt to parse one packet from the given file descriptor into the given struct. If successful, ISP2::isp2_read will return 0. If ISP2::isp2_read cannot find a header, it will return -1.

Until I write more better documentation, please have a look at isp2.h for information about the isp2_t struct.

Installation

git clone https://github.com/nearwood/libISP2
cd libISP2
cmake --build build
make
#make install #TODO Incomplete

Binaries would be then located in build/bin and build/lib.

TODO

  • Fix serial port access
  • Move serial port to library, as optional at compile time
  • CLI example
  • GUI gauge example
  • Convert ISP2 library to C, not really using C++ features
  • Export NO_SERIAL_SUPPORT to cmake
  • Use non-blocking IO, and show some kind of RX indicator
  • Add more emojis

Credits

Innovate Motorsports provides documentation detailing the protocol:

About

Library for communicating using "Innovate Serial Protocol" version 2

License:GNU General Public License v2.0


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