S4 classes representing various aspects of FIT messages.
The FitDefinitionMessage class represents definition messages.
The FitDataMessage class holds data messages.
The FitDataMessageWithDevData class extends FitDataMessage
with additional slots to store the definitions of developer data fields that
are not defined in the standard FIT file specification.
global_message_numberA integer of length 1.
field_definitionA data.frame.
messagesA data.frame.
headerAn object of class FitMessageHeader.
definitionAn object of class FitDefinitionMessage.
fieldsA list containing the data encoded in this message.