AnHardt cb88fdd242 Protect MarlinSerial against interrupts ...

Protect MarlinSerial against interrupts
by shielding the CRITICAL_SECTIONs

Now with a test if RX_BUFFER_SIZE is in the required range.
Code in peek() and read() is now optimized for readability and showing the similarity between the two.

Maybe a bit overprotected in checkRx() and store_char(), but now some days without detected errors from this source.

2016-02-24 17:18:12 +01:00

6.2 KiB

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