EmanuelFeru e46dff590f Major UART communication improvement ...

- the UART communication is improved based on UART Idle line detection interrupt
- an Rx ring buffer is used to manage the UART incoming data
- both Tx and Rx are efficiently handled using DMA

#45 #64 #65

Other:
- minor visual improvements

2020-06-21 23:14:46 +02:00

3.1 MiB

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