A project to get a little bit more familiar with rust-lang.
The tool itself parses .FIT files and converts it to JSON-formatted messages.
At the moment heavy work in progress... but you can already try it out.
cargo install rusty-but-fitParsing for Garmin's FIT file format
Usage: rusty-but-fit [OPTIONS] --file <FILE> <COMMAND>
Commands:
summary Create summary of all messages and their count
messages Return messages defined by the -m parameter
raw Outputs all messages, incl. unknown messages and invalid fields
help Print this message or the help of the given subcommand(s)
Options:
-f, --file <FILE> FIT file to parse
-d Debug output (cannot be piped to jq)
-u, --unknown-fields Output unknown fields
-i, --invalid-values Output invalid values
-h, --help Print help
-V, --version Print version
rusty-but-fit -f activity2.fit summary{
"Lap": 1,
"Session": 1,
"Time in zone": 2,
"GPS Metadata": 1826,
"Totals": 1,
"Record": 382,
"Unknown": 2004,
"Sport": 1,
"Training file": 2,
"Activity": 1,
"Zones target": 1,
"Device settings": 1,
"Connected devices (undocumented)": 1,
"Event": 7,
"User profile": 1,
"Device info": 20,
"File Id": 1,
"File creator": 1
}Return messages defined by the -m parameter
Usage: rusty-but-fit --file <FILE> messages [OPTIONS]
Options:
-m, --message_type <MESSAGE_TYPE> Message types as enumerated from 'summary' command. Can be repeated for multiple messages.
-h, --help Print help
rusty-but-fit -f activity2.fit messages -m "Activity"{
"local_timestamp": 1078141854,
"num_sessions": 1,
"type": "Manual",
"event": "Activity",
"timestamp": 1078138254,
"event_type": "Stop",
"total_timer_time": 1717468
}This might need some conversion from semicircle to degrees.
rusty-but-fit -f activity2.fit messages -m 'Record' | jq --argjson conversion "$((2**31))" '.[].message | select (.position_long != null) | {lon: (."position_long" * 180/$conversion), lat: (."position_lat" * 180/$conversion)}'...
{
"lon": 10.557905668392777,
"lat": 52.23186925984919
}
{
"lon": 10.557780275121331,
"lat": 52.231866996735334
}
{
"lon": 10.557699054479599,
"lat": 52.23186397925019
}
{
"lon": 10.55741960182786,
"lat": 52.231861716136336
}
...