data_handling Directory Reference

Directory dependency graph for data_handling:

Files
	CircularArray.h
	DataNames.h
	DataPoint.h
	DataSaver.h
	DataSaverBigSD.h
	DataSaverPrint.h
	DataSaverSDSerial.h
	DataSaverSPI.h
	SensorDataHandler.h
	Telemetry.h

Detailed Description

data_handling Directory

Tools for collecting, rate-limiting, persisting, and downlinking sensor data.

Files

• CircularArray.h: Fixed-size circular buffer for recent samples with quickselect-based median support.
• DataNames.h: List of 8-bit integer constants that identify each data channel for both data logging and telemetry purposes. This must stay in sync with the ground station's data names YAML file.
• DataPoint.h: Lightweight class that holds a single float with a timestamp. Instead of throwing raw floats around, we use DataPoint to keep track of when samples were taken which allows for better filters to be used in the state_estimation side of tools. If you have a list of float's you don't know when they were take, a list of DataPoint's is preferred.
• DataSaver.h: Abstract IDataSaver interface plus convenience overloads and hooks for initialization and launch events.
• DataSaverBigSD.h: Buffered CSV logger to large SD cards via SdFat, batching writes and managing stream file paths.
• DataSaverPrint.h: IDataSaver that prints channel/timestamp/value to stdout for debugging and tests.
• DataSaverSDSerial.h: Streams CSV-formatted samples over UART to an external serial data logger.
• DataSaverSPI.h: SPI flash logger with timestamp compression, post-launch write protection, and dump/erase utilities. Use this to write to an onboard flash chip with very little storage space. This is the most space-efficient data saver we have, but it is also the most complex to use.
• SensorDataHandler.h: Buffers sensor samples, enforces minimum save intervals, and forwards data to an IDataSaver.
• Telemetry.h: Builds fixed-size packets from SensorDataHandler streams and transmits them over UART at set frequencies.