Make arbitrary byte streams human readable!
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Fixed issue with array parse in CLI
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README.md

Formaty

A simple configurable binary data parser. Data structures are described using TOML files.

Formats

All formats in formats are included in the formaty binary. See formats.md for more info.

Configuration

Format

A format is a collection of fields that describe the structure of data, so it can be parsed

Members:

  • name - name of the format, used as the argument when selecting the format to parse the data as
  • bit_flip - should individual bytes have their bits flipped within, individual fields can override this
  • fields - 1 or more fields to describe the structure of the data

Field

A field is a collection of bits that make up some sort of data. Formaty supports Int/Uint of arbitrary size, Float, Double, Strings and Bytes. This data may not be byte aligned.

Members:

  • name - the name of the field, used while displaying data
  • field_type - the type of the field and associated data
  • print_type - how to print the data, if not provided it uses the default print for a type
  • bit_flip - overrides the global bit flip field, defaults to false if not provided

Field Types

  • UInt/Int: standard integer types. Unsigned or signed respectively. Can be 1 or more bits.
    • bit_width: number of bits composing the integer
    • endianess: byte ordering of the field
  • Float/Double: Standard float point types of 32-bit or 64-bit width
    • endianess: byte ordering of the field
  • String: Collection of bytes ended by a null character '\0'
    • max_len: max length of the data
    • endianess: byte ordering of the field
  • Bytes: Collection of bytes with no termination
    • max_len: max number of bytes
    • endianess: byte ordering of the field

Example Config

Example

Example

./formaty ccsds "[0xe0, 0xa1, 0xc0, 0x00, 0x00, 0x05, 0x01, 0x02, 0x03, 0x04, 0x05]"

Output:

Version Number: 0
Packet Type: 1
Secondary Header Flag: 0
APID: 0x200
Sequence Flags: 3
Packet Sequence Count: 0
Data Length: 5
Data: [1, 2, 3, 4, 5]

Help

Formaty 0.1.0
Arbitrary Binary Data Formatting

USAGE:
    formaty [OPTIONS] <format> [data]...

FLAGS:
    -h, --help       Prints help information
    -V, --version    Prints version information

OPTIONS:
    -c, --config <config>    Path to the format config

ARGS:
    <format>     Format to parse data as
    <data>...    Raw data

License

License