Hello Takashi, Thanks for getting involved, I really appreciate it! :D I was away this week, but today I was able to run the commands you mentioned. $ ./firewire-request /dev/fw1 fcp 0x01ff3000ffffffff response: 000: 0c ff 30 07 0f 00 23 27 ..0...#' $ ./firewire-request /dev/fw1 fcp 0x01ff3100ffffffff response: 000: 0c ff 31 00 08 60 ff ff ..1..`.. $ ./firewire-request /dev/fw1 fcp 0x01ff0200ffffffff response: 000: 0c ff 02 00 02 02 04 03 ........ $ ./firewire-request /dev/fw1 fcp 0x01080200ffffffff response: 000: 0c 08 02 00 04 01 ff ff ........ $ ./firewire-request /dev/fw1 fcp 0x01600200ffffffff response: 000: 0c 60 02 00 06 05 ff ff .`...... >From what I gather from the reference you linked, this seems more or less what's expected, though I'm not entirely sure yet what it means for the device to have 6 destination and 5 source plugs on the music subunit... :D (If I read the specs correctly...) Daniel On Mon, Jan 20, 2020 at 2:19 PM Takashi Sakamoto <o-takashi@xxxxxxxxxxxxx> wrote: > Hi Daniel, > > On Mon, Jan 20, 2020 at 11:42:34AM +0000, Daniel Jozsef wrote: > > Thanks for the quick reaction, Takashi :) I ran the command you > mentioned, > > and your guess was spot on: > > > > daniel@gibbonmoon:~/opt/linux-firewire-utils-0.4/src$ ./firewire-request > > /dev/fw1 read 0xffffc8020000 60 > > result: 000: 62 72 69 64 67 65 43 6f 03 00 00 00 00 00 00 00 > bridgeCo........ > > result: 010: 00 27 23 00 00 00 00 02 02 00 00 00 00 00 00 00 > .'#............. > > result: 020: 32 30 31 30 30 35 32 35 31 32 31 35 30 34 20 20 > 20100525121504 > > result: 030: 02 00 02 00 ff ff ff 00 80 00 0c 40 7c e3 13 00 > ...........@|... > > result: 040: 32 30 30 38 31 32 30 32 31 33 34 34 34 38 20 20 > 20081202134448 > > result: 050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > ................ > > Yep, it's an application of BeBoB solution. > > As a next step, please get responses against 5 AV/C commands below: > > (AV/C UNIT INFO command) > $ ./firewire-request /dev/fw1 fcp 0x01ff3000ffffffff > response: 000: 0c ff 30 07 0f 00 14 96 ..0..... > > (AV/C SUBUNIT INFO command) > $ ./firewire-request /dev/fw1 fcp 0x01ff3100ffffffff > response: 000: 0c ff 31 00 08 60 ff ff ..1..`.. > > (AV/C PLUG INFO command for Unit) > $ ./firewire-request /dev/fw1 fcp 0x01ff0200ffffffff > response: 000: 0c ff 02 00 02 02 01 01 ........ > > (AV/C PLUG INFO command for Audio subunit) > $ ./firewire-request /dev/fw1 fcp 0x01080200ffffffff > response: 000: 0c 08 02 00 02 02 ff ff ........ > > (AV/C PLUG INFO command for Music subunit) > $ ./firewire-request /dev/fw1 fcp 0x01600200ffffffff > response: 000: 0c 60 02 00 03 03 ff ff .`...... > > If you're interested in their contents, please refer to document published > by > 1394 Trading Association: > > AV/C Digital Interface Command Set General Specification Version 4.2 > (1394 Trading Association, September 1, 2004) > http://1394ta.org/wp-content/uploads/2015/07/2004006.pdf > > > Thanks > > Takashi Sakamoto > _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx https://mailman.alsa-project.org/mailman/listinfo/alsa-devel
