On 18.01.2013 17:12, Peter Stuge wrote: > Vladimir 'φ-coder/phcoder' Serbinenko wrote: >>> Hello, all. I send a patch to make coreboot output console using system >>> beeper and a corresponding code to interpret those beeps. I publish it >>> under GPLv2+ but other licensing arrangements are possible. This was >>> very useful to get console on X201 where I have neither serial nor EHCI >>> debug. > > I haven't gotten your original email? Weird. > > >> This would need some improvements as currently it sometimes loses >> bits and it causes it to lose sync. I'll think how to do it. > > What modulation and symbol rate are you using? >
custom FSK variant at 10ms per bit. I'll just introduce a 5ms tone to split bytes. > > //Peter > > > -- Regards Vladimir 'φ-coder/phcoder' Serbinenko
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