Fix issue causing a hang when testing serial port PTT.#577

Merged

tmiw merged 6 commits intomasterfrom ms-ptt-test-hang

Oct 24, 2023

+22-13

Commits on Oct 22, 2023

Commits on Oct 23, 2023

Hamlib is hanging as well.
tmiw
committed

Commits on Oct 24, 2023