Another solution would be to use a usb/RS-232 adapter to get a full fledged serial port. On 09/25/2013 12:23 AM, Waldek wrote: > Hi > > I have looking solution on RaspberryPI with soundmodem how to do PTT if I don't have in my radio VOX. When I have use soundmodem on my laptop with linux kernel 2.x ten years ago but driver soundmodem support PTT via RS-232 which working very well with my IC-W2A. But I don't know how to do this on RPI ? > It is need modify soundmodem driver to possible setting the gpio pin for PTT ?? Maybe exist patch for this ? > > 73 Waldek sp2ong > -- To unsubscribe from this list: send the line "unsubscribe linux-hams" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html