fix: Add reading from serial port #429

Job	Run time
Check lib (x86_64-unknown-linux-gnu)	28s
Clippy (x86_64-unknown-linux-gnu)	23s
Check MSRV (x86_64-unknown-linux-gnu)	32s
Clippy (aarch64-unknown-linux-gnu)	2m 19s
Check lib (aarch64-unknown-linux-gnu)	1m 15s
Check MSRV (aarch64-unknown-linux-gnu)	1m 42s
Clippy (armv7-unknown-linux-gnueabihf)	2m 2s
Check (x86_64-apple-darwin)	45s
Check lib (armv7-unknown-linux-gnueabihf)	1m 28s
Check MSRV (armv7-unknown-linux-gnueabihf)	1m 50s
Check (x86_64-unknown-linux-gnu)	41s
Check (x86_64-unknown-linux-musl)	38s
Unit Tests (x86_64-unknown-linux-gnu)	54s
Check (x86_64-pc-windows-msvc)	2m 31s
Unit Tests (aarch64-unknown-linux-gnu)	2m 11s
Check (aarch64-unknown-linux-gnu)	1m 52s
Unit Tests (armv7-unknown-linux-gnueabihf)	1m 35s
Check (armv7-unknown-linux-gnueabihf)	2m 0s
Rustfmt	12s
	25m 18s

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