* [Bluez-devel] sco link problem
[not found] <20051122195412.F2DBC88BC7@sc8-sf-spam1.sourceforge.net>
@ 2005-11-23 1:18 ` lcstudio@gmail
2005-11-24 4:23 ` Marcel Holtmann
0 siblings, 1 reply; 4+ messages in thread
From: lcstudio@gmail @ 2005-11-23 1:18 UTC (permalink / raw)
To: bluez-devel
I've problem by make SCO link using the dongle with BCM2035 chip.It's seemed
SCO link up,but NO any of data responsed.:(
hci_usb.c file, I found some piece like:
{USB_DEVICE(0x0a5c, 0x200a), .driver_info = HCI_RESET |
HCI_BROKEN_ISOC }
it's disabled all of BCM2035 dongle SCO driver with id by 0x0a5c &
0x200a,what's idea about this? My dongle matchs this id.
Is Broadcom makes chip abnormally behavior with 0x0a5c,0x200a ?
Thanks
Luchine
2005.11
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^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [Bluez-devel] sco link problem
2005-11-23 1:18 ` [Bluez-devel] sco link problem lcstudio@gmail
@ 2005-11-24 4:23 ` Marcel Holtmann
0 siblings, 0 replies; 4+ messages in thread
From: Marcel Holtmann @ 2005-11-24 4:23 UTC (permalink / raw)
To: bluez-devel
Hi Luchine,
> I've problem by make SCO link using the dongle with BCM2035 chip.It's seemed
> SCO link up,but NO any of data responsed.:(
> hci_usb.c file, I found some piece like:
> {USB_DEVICE(0x0a5c, 0x200a), .driver_info = HCI_RESET |
> HCI_BROKEN_ISOC }
> it's disabled all of BCM2035 dongle SCO driver with id by 0x0a5c &
> 0x200a,what's idea about this? My dongle matchs this id.
> Is Broadcom makes chip abnormally behavior with 0x0a5c,0x200a ?
last time I check one of these devices, the ISOC transfers were broken
and they were making this device unusable. So I flagged it. Remove the
quirk identify and try if it works.
Regards
Marcel
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^ permalink raw reply [flat|nested] 4+ messages in thread
* [Bluez-devel] SCO link problem
@ 2006-02-02 9:53 Israel Guío
2006-02-07 11:10 ` Marcel Holtmann
0 siblings, 1 reply; 4+ messages in thread
From: Israel Guío @ 2006-02-02 9:53 UTC (permalink / raw)
To: bluez-devel
[-- Attachment #1: Type: text/plain, Size: 8615 bytes --]
Hi!
I'm developing an application for voice transmission over a SCO link. My
first step was to compile and probe the utility scotest provided in
bluez-utils packet. However, I see in hcidump that I am sending the correct
frames(0x7f), but in receiver end, I get nothing but 0's or f's. I don't
really know where the problem is, so please help me.
Thanks.
This is my configuration. I have 2 computers with Debian and
2.6.15.1kernel. Each computer has its USB Bluetooth
2.0+EDR Adapter (Cellink BTA-6030). This is the "hciconfig hci0 revision"
output:
hci0: Type: USB
BD Address: 00:0A:94:02:45:BB ACL MTU: 384:8 SCO MTU: 64:8
Build 1500
Chip version: BlueCore4-External
Max key size: 56 bit
SCO mapping: HCI
This is the "hcidump -X -V" in transmitter end:
HCI sniffer - Bluetooth packet analyzer ver 1.17
device: hci0 snap_len: 1028 filter: 0xffffffff
< HCI Command: Create Connection (0x01|0x0005) plen 13
0000: ac 44 02 94 0a 00 18 cc 02 00 00 00 01 .D...........
> HCI Event: Command Status (0x0f) plen 4
Create Connection (0x01|0x0005) status 0x00 ncmd 1
> HCI Event: Connect Complete (0x03) plen 11
status 0x00 handle 42 bdaddr 00:0A:94:02:44:AC type ACL encrypt 0x00
< HCI Command: Write Link Policy Settings (0x02|0x000d) plen 4
0000: 2a 00 0f 00 *...
> HCI Event: Command Complete (0x0e) plen 6
Write Link Policy Settings (0x02|0x000d) ncmd 1
0000: 00 2a 00 .*.
< HCI Command: Add SCO Connection (0x01|0x0007) plen 4
0000: 2a 00 e0 00 *...
> HCI Event: Command Status (0x0f) plen 4
Add SCO Connection (0x01|0x0007) status 0x00 ncmd 0
> HCI Event: Page Scan Repetition Mode Change (0x20) plen 7
0000: ac 44 02 94 0a 00 01 .D.....
> HCI Event: Max Slots Change (0x1b) plen 3
0000: 2a 00 05 *..
> HCI Event: Command Status (0x0f) plen 4
Unknown (0x00|0x0000) status 0x00 ncmd 1
> HCI Event: Max Slots Change (0x1b) plen 3
0000: 2a 00 01 *..
> HCI Event: Connect Complete (0x03) plen 11
status 0x00 handle 45 bdaddr 00:0A:94:02:44:AC type SCO encrypt 0x00
> SCO data: handle 45 dlen 48
0000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
0010: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
0020: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
> SCO data: handle 45 dlen 48
0000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
0010: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
0020: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
> HCI Event: Max Slots Change (0x1b) plen 3
0000: 2a 00 03 *..
> SCO data: handle 45 dlen 48
0000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
0010: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
0020: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
< SCO data: handle 45 dlen 64
0000: 00 00 00 00 a0 02 7f 7f 7f 7f 7f 7f 7f 7f 7f 7f ................
0010: 7f 7f 7f 7f 7f 7f 7f 7f 7f 7f 7f 7f 7f 7f 7f 7f ................
0020: 7f 7f 7f 7f 7f 7f 7f 7f 7f 7f 7f 7f 7f 7f 7f 7f ................
0030: 7f 7f 7f 7f 7f 7f 7f 7f 7f 7f 7f 7f 7f 7f 7f 7f ................
> SCO data: handle 45 dlen 48
0000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
0010: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
0020: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
and so on until I press CTRL+C. The "hcidump -X -V" output in receiver end
is:
HCI sniffer - Bluetooth packet analyzer ver 1.17
device: hci0 snap_len: 1028 filter: 0xffffffff
> HCI Event: Connect Request (0x04) plen 10
bdaddr 00:0A:94:02:45:BB class 0x3e0100 type ACL
< HCI Command: Accept Connection Request (0x01|0x0009) plen 7
0000: bb 45 02 94 0a 00 01 .E.....
> HCI Event: Command Status (0x0f) plen 4
Accept Connection Request (0x01|0x0009) status 0x00 ncmd 1
> HCI Event: Connect Complete (0x03) plen 11
status 0x00 handle 42 bdaddr 00:0A:94:02:45:BB type ACL encrypt 0x00
< HCI Command: Write Link Policy Settings (0x02|0x000d) plen 4
0000: 2a 00 0f 00 *...
> HCI Event: Page Scan Repetition Mode Change (0x20) plen 7
0000: bb 45 02 94 0a 00 01 .E.....
> HCI Event: Max Slots Change (0x1b) plen 3
0000: 2a 00 05 *..
> HCI Event: Command Complete (0x0e) plen 6
Write Link Policy Settings (0x02|0x000d) ncmd 1
0000: 00 2a 00 .*.
< HCI Command: Change Connection Packet Type (0x01|0x000f) plen 4
0000: 2a 00 18 cc *...
> HCI Event: Command Status (0x0f) plen 4
Change Connection Packet Type (0x01|0x000f) status 0x00 ncmd 1
> HCI Event: Connection Packet Type Changed (0x1d) plen 5
0000: 00 2a 00 18 cc .*...
> HCI Event: Max Slots Change (0x1b) plen 3
0000: 2a 00 01 *..
> HCI Event: Connect Request (0x04) plen 10
bdaddr 00:0A:94:02:45:BB class 0x3e0100 type SCO
< HCI Command: Accept Connection Request (0x01|0x0009) plen 7
0000: bb 45 02 94 0a 00 01 .E.....
> HCI Event: Command Status (0x0f) plen 4
Accept Connection Request (0x01|0x0009) status 0x00 ncmd 1
> HCI Event: Connect Complete (0x03) plen 11
status 0x00 handle 46 bdaddr 00:0A:94:02:45:BB type SCO encrypt 0x00
< HCI Command: Change Connection Packet Type (0x01|0x000f) plen 4
0000: 2e 00 e0 00 ....
> SCO data: handle 46 dlen 48
0000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
0010: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
0020: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
> SCO data: handle 46 dlen 48
0000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
0010: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
0020: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
> HCI Event: Command Status (0x0f) plen 4
Change Connection Packet Type (0x01|0x000f) status 0x00 ncmd 1
> HCI Event: Connection Packet Type Changed (0x1d) plen 5
0000: 00 2e 00 e0 00 .....
> SCO data: handle 46 dlen 48
0000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
0010: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
0020: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
> SCO data: handle 46 dlen 48
0000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
0010: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
0020: 00 00 00 00 ff ff ff ff ff ff ff ff ff ff ff ff ................
> SCO data: handle 46 dlen 48
0000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ................
0010: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ................
0020: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ................
> SCO data: handle 46 dlen 48
0000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ................
0010: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ................
0020: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ................
> SCO data: handle 46 dlen 48
0000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ................
0010: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ................
0020: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ................
> SCO data: handle 46 dlen 48
0000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ................
0010: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ................
0020: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ................
and so on until the end. I don't know if it is important, but when sending
0x7f, I get the frames above, but when sending 0x44, I get 0's, not f's.
Thank you for your help again.
[-- Attachment #2: Type: text/html, Size: 14332 bytes --]
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [Bluez-devel] SCO link problem
2006-02-02 9:53 [Bluez-devel] SCO " Israel Guío
@ 2006-02-07 11:10 ` Marcel Holtmann
0 siblings, 0 replies; 4+ messages in thread
From: Marcel Holtmann @ 2006-02-07 11:10 UTC (permalink / raw)
To: bluez-devel
Hi Israel,
> I'm developing an application for voice transmission over a SCO link.
> My first step was to compile and probe the utility scotest provided in
> bluez-utils packet. However, I see in hcidump that I am sending the
> correct frames(0x7f), but in receiver end, I get nothing but 0's or
> f's. I don't really know where the problem is, so please help me.
the over the air codec is CVSD and not transparent. In the end this is a
voice connection and not a data connection.
Regards
Marcel
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[not found] <20051122195412.F2DBC88BC7@sc8-sf-spam1.sourceforge.net>
2005-11-23 1:18 ` [Bluez-devel] sco link problem lcstudio@gmail
2005-11-24 4:23 ` Marcel Holtmann
2006-02-02 9:53 [Bluez-devel] SCO " Israel Guío
2006-02-07 11:10 ` Marcel Holtmann
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