Improvement: Rework SPI communication with receiver board
Right now, the SPI communication is primarily suited for transmitting from the receiver board to the main board. It also lacks support for variable-length messages.
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Implement a variable length SPI protocol -
Improve mainboard to receiver board transmission: Add transmission queue on STM32F4-side -
Fix issue where only the first few bytes are received correctly
Edited by Lukas Vogel