On Feb 28 Takashi Sakamoto wrote:
To recover to 5.1ch surround, please execute this command: (for 32.0kHz) $ firewire-request /dev/fw8 fcp 0x00ffbfc000000000ff0090400202010200 (for 44.1kHz) $ firewire-request /dev/fw8 fcp 0x00ffbfc000000000ff0090400302010200 (for 48.0kHz) $ firewire-request /dev/fw8 fcp 0x00ffbfc000000000ff0090400402010200 (for 96.0kHz) $ firewire-request /dev/fw8 fcp 0x00ffbfc000000000ff0090400502010200
The last two bytes should be 0x0606.
Within this two bytes, the first byte means the number of data channels and the second byte means type of the data channel. So in FireWave, 6ch PCM data channel is expressed by 0x0606, 2ch IEC 60958-3 data channel is expressed by 0x0200.
$ for n in 2 3 4 5; do echo $n; firewire-request /dev/fw8 fcp 0x00ffbfc000000000ff0090400${n}02010606; sleep 1; firewire-request /dev/fw8 fcp 0x01ffbfc000000000ffffffff; sleep 1; done 2 response: 000: 09 ff bf c0 00 00 00 00 ff 00 90 40 02 02 01 06 ...........@.... response: 010: 06 . response: 000: 0c ff bf c0 00 00 00 00 ff 00 90 40 02 02 01 06 ...........@.... response: 010: 06 . 3 response: 000: 09 ff bf c0 00 00 00 00 ff 00 90 40 03 02 01 06 ...........@.... response: 010: 06 . response: 000: 0c ff bf c0 00 00 00 00 ff 00 90 40 03 02 01 06 ...........@.... response: 010: 06 . 4 response: 000: 09 ff bf c0 00 00 00 00 ff 00 90 40 04 02 01 06 ...........@.... response: 010: 06 . response: 000: 0c ff bf c0 00 00 00 00 ff 00 90 40 04 02 01 06 ...........@.... response: 010: 06 . 5 response: 000: 09 ff bf c0 00 00 00 00 ff 00 90 40 05 02 01 06 ...........@.... response: 010: 06 . response: 000: 0c ff bf c0 00 00 00 00 ff 00 90 40 05 02 01 06 ...........@.... response: 010: 06 .