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mapt-receiver

This program is responsible for receiving the data from the MAPT payload and sending it to the ground station via S3TP. For this purpose, the MAPT payload establishes a TCP connection to this program, which acts as a TCP server.

The program will run with three threads:

  • One thread is waiting for the TCP packets from the Payload and stores them in a binary file in non-volatile memory.

  • Another thread waits for commands from the groundstation, sent via S3TP, and handles them accordingly. These commands have yet to be defined, and could for example give the current progress.

  • A third thread is continuously sending all the stored data down to the ground station via S3TP.

MAPT data package format

The data packages sent from the MAPT payload have the following structure:

[TCP Header] [Timestamp (64 bits)] [Event Number (64 bits)] [Detector Data (900 x 32 bits])

This leads to a total package size of 3616 Bytes (28928 bits).