[gta02-core] Calypso's last dance

Stefan Schmidt stefan at datenfreihafen.org
Thu Jul 23 18:01:58 CEST 2009


On Thu, 2009-07-23 at 00:08, Werner Almesberger wrote:
> - switch Bluetooth to UART and the modem to USB

What is you plan for wake up from call and other signaling from modem to cpu?
Some additional GPIO line?

Such a setup, USB + GPIO lines for handshake and signaling, was used on the
Motorola EZX phones. I remember pain in this area. USB is just not designed for
an intelligent slave that have to teach the master. :)

Stefan Schmidt

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