Fejemis Teensy

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Drive Teensy

Block diagram with all interfaces and interface protocol

Front Teensy

Block diagram with all interfaces and interface protocol

Software structure

Figure: The Teensy software is structured with a main loop and a number of units. After reset all units are initialized in a setup function, after that the Main loop is entered. The main loop services commands from USB is send to the units for implementation. At regular interval, the sample clock tick, all units are called to execute any sample time function. Most units are interfaces to external devices such as IMU, motor drive or distance sensor. There is further support units for e.g. control.

Setup - loop overview

Main and module integration code

Module structure

One file one interface.

Subscription

Standardized setup of data subscription

Command decode

On-line help.

Configuration save

Use of configuration flash.

Update tick

Sample rate and sensor calculation