Anyone want a USB sound card + serial interface/Sirius interface in a box?
I've been thinking of making a board that consists of the following:
-- A USB hub chip
-- A sound IC, probably the TI PCM2903B. Note that this part has an SPDIF input and output, which is nice.
-- An RS232-type serial interface IC, probably the FTDI FT232R. Besides a regular old DB-9 connector (with the appropriate level converters), it'd also have a mini-DIN connector wired up such that you could directly plug in the various Sirius docks and radios that use that connector (e.g., SCVDOC1, the SCH1, etc.) with the serial lines going to the FT232R and the audio lines going to the PCM2903B.
-- Two standard USB A connectors (...since the USB hub will have 4 ports, and the sound IC and RS232 IC will use up two of them).
Note that all of the parts above were specifically chosen so that they're natively supported under both Windows and Linux. Also, the entire thing is powered via USB, although I'd probably have the option for additional power input if you wanted to hang full-power (500mA) devices off of the additional two USB ports.
There's really nothing new here -- this is actually just taking some of the stuff that, e.g., Mitch on rush2112.com and others have done and sticking it all on one board for the sake of making somewhat cleaner/smaller installations. Particularly for connection between a carputer and a Sirius dock, this seems like it'd be the bee's knees...
Does anyone else think this would be a useful device? Am I missing some really useful device that should also be part of such a board?
Thanks for looking... I'll certainly be rather more motivated to do this if it's not just going to be a one-off for myself!