The next issue I had was that Win32::SerialPort's ->read appears to be behaving non-blocking

It's actually just timing out immediately - adding the minimum of e.g. $port->read_const_time(1000); sets the read timeout to 1s.

In reply to Re^2: SerialPort issues under Windows 10 by haukex
in thread SerialPort issues under Windows 10 by clinicalAD

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