Analog wired Headset
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+ | == Software support == | ||
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+ | Dylan proposed a [http://lists.openmoko.org/pipermail/community/2008-September/029599.html proof of concept scripts] to fix something about the headset insertion/removal being incorrectly acted upon. | ||
[[Category:Hardware]] | [[Category:Hardware]] | ||
[[Category:Neo1973 Hardware]] | [[Category:Neo1973 Hardware]] | ||
[[Category:Neo FreeRunner Hardware]] | [[Category:Neo FreeRunner Hardware]] | ||
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Revision as of 11:02, 6 September 2008
There's a four-ring 2.5mm stereo jack which provides connectivity to old-fashioned wired headsets.
The headsets used by Motorola smartphones (A780,A1200, ...) and the V-360 have a compatible configuration.
Neo FreeRunner
ring
1(base): GND
2: left out
3: right out
4(tip): mic + HOLD-button(press:short to GND)
Neo 1973
Pinout: [1]
base = ground speaker left (internal impedance 33R) to ground. (+jackinsert detection) speaker right (internal impedance 33R) to ground. tip = mic electret condenser type, to ground. bias (power for mic) 2K2 from +3.3v(wolfson codec) (+HoldButton shortcircuit to ground)
Software support
Dylan proposed a proof of concept scripts to fix something about the headset insertion/removal being incorrectly acted upon.