fitreader-rs

Reading / writing Fit files in Rust. (Prototype)

Logger

It uses env_logger: https://docs.rs/env_logger/latest/env_logger/

Uses RUST_LOG to set the logging level.

RUST_LOG=debug exec

Messages

The FIT spec defines messages in an Excel spreadsheet. To convert fields to JSON the following formala may be useful: here for row 5 from the messages sheet..

="{""field_defn_num"":"&B5&", 
  ""field_name"": """&C5&""",""field_type"":"""&D5&"""" &
   IF(ISBLANK(G5),"",",""scale"":" & G5) & 
   IF(ISBLANK(H5),"",",""offset"":" & H5) & 
   IF(ISBLANK(I5),"",",""units"":""" & I5 &"""") & 
   IF(ISBLANK(E5),"",",""array"":true") & "},"

Additional undocumented fields may be found in the fit4ruby project: https://github.com/scrapper/fit4ruby

References

• https://www.thisisant.com/resources/fit
• https://developer.garmin.com/fit/overview/