Settings JSON

settings.json

Settings, values, commands and messages are determined by the settings.json structure, that is parsed in build time to several .h and .c files, as described below.

It contains the following main fields:

• fw_version

  • major

  • minor

• hardware

  • type - firmware type, for example "wisentedge_nrf52840"

  • version
• settings

  • port - port on which settings are sent and received from

  • type - settings type, based on tracker type
• commands

  • port - port on which commands are sent and received from

  • commands of the form:
• values

  • port - port on which settings are sent and received from

  • values of the form:
• messages

  • messages of the form:

  • message_name

Python parser

Python parser py2h.py and validation script validate_data.py are used to convert settings.json file to c files.

In particular the following files are generated:

• hardware_def.h - containing only definitions from "hardware" field

• settings_def.h and settings_def.c - containing settings structure and auto-generated functions for access and writing to structure

All auto-generated files are equipped with /* AUTOGENERATED FILE - DO NOT MODIFY! */ comment. Sections below describe content of each generated file and helping files.