-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 > My idea is to control adc/dac directly from an FPGA (lots of them, > potentially). I'm familiar with I2C and SPI interfaces on adc/dac, > and there's a few differences between devices (order of bits from > MSB to LSB or LSB to MSB for instance). yes, i thought so too... something like this: ______________ | |<-> *2 <->adat adc *1 ->| |<-> *2 <->spdif/aes-ebu |fpga ->i2s |<->xmos avb dac *1 <-| *3 |<->some phy <->madi |_____________|<->some phy <->ieee1394 *1 you need external adc and dac, because lowcost developement onboard adc/dac have only 10 or 12bit resolution... *2 adat to I2S boards (properiterian codec) http://electronics.dantimax.dk/Kits/Digital_audio/11329401182.html spdif/aes-ebu to I2S boards http://electronics.dantimax.dk/Kits/Digital_audio/11319920832.html http://electronics.dantimax.dk/Kits/Digital_audio/12906353062.html *3 MSB/LSB switching can easyly be done with fpga Ck - -- PGP Key ID 0x528422c1; PGP Public Key / PGP Key verification: pgp.mit.edu pgp.zdv.uni-mainz.de -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (GNU/Linux) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ iQEcBAEBAgAGBQJOrCESAAoJEBra75lShCLBqaUH/RHn4XO9iP+xUaaFYknXBPIt NNWq6VFCm39Wk/l+0lWYby7H3X/T5fiwPHG0/rKgekgklCauhLAmy6j3pjocJ3lL 9K6Zrnq+poGEPqRPu1qdU2m9SBB9+Yw/bZb0BXNI8ZABvTuu25Y2sPldis/E/bFn 9rY2JSnS3dNiZfq3bEO9wyfe+5TPJsACaYOJpXlSJCiC0q6ijQG3bZk7wTWWArqx 8amMMP+c6NbZHra4vMVawbUbzBP6k1HTwyEuDnneGzl6Uf4FNjWA02ygw7ei1Tnm VAbXG6A/Cr/N5gDv1WMVyVI231EzJuY56FdLzenXXsWVJfDhwmujD3J5e5h4GOc= =uHK2 -----END PGP SIGNATURE----- _______________________________________________ Linux-audio-user mailing list Linux-audio-user@xxxxxxxxxxxxxxxxxxxx http://lists.linuxaudio.org/listinfo/linux-audio-user