2009/2/13 Microbit_P43000 <[email protected]>:
> I haven't used SnoopyPro in ages, but IIRC (not sure) you could filter on
> certain protocols.
Unfortunately SnoopyPro-0.22 (latest release) doesn't support any filtering.
> If so, a lot of the mass storage uses RBC commands (scsi), if you can
> suppress those, the log would be dramatically reduced I think.
Yeah, that was my idea. Does anybody know of a (free) tool that is
capable of filtering these commands?
> Else you would need to wait till enum and all RBC traffic has settled a bit
> and then start a new log while you press the button. Perhaps you might catch
> it that way ?
The traffic from/to the device doesn't seem to settle. It keeps on
flooding the log. Around 100 pakets per second. After ~25s:
up 25.875 BULK_OR_INTERRUPT_TRANSFER - 0x00000000
down 25.875 BULK_OR_INTERRUPT_TRANSFER 00 00 00 00 7f 20 00 00
up 25.875 BULK_OR_INTERRUPT_TRANSFER 70 00 02 00 00 00 00 0a
0x00000000
down 25.875 BULK_OR_INTERRUPT_TRANSFER 55 53 42 43 08 8d e2 81
up 25.875 BULK_OR_INTERRUPT_TRANSFER 55 53 42 53 08 8d e2 81
0x00000000
down 25.875 BULK_OR_INTERRUPT_TRANSFER 55 53 42 43 08 8d e2 81
up 25.891 BULK_OR_INTERRUPT_TRANSFER - 0x00000000
down 25.891 BULK_OR_INTERRUPT_TRANSFER 00 00 00 00 00 00 00 00
up 25.891 BULK_OR_INTERRUPT_TRANSFER 0xc0000004
down 25.891 RESET_PIPE
up 25.891 RESET_PIPE 0x00000000
down 25.891 BULK_OR_INTERRUPT_TRANSFER 55 53 42 43 08 8d e2 81
up 25.891 BULK_OR_INTERRUPT_TRANSFER 55 53 42 53 08 8d e2 81
0x00000000
down 25.891 BULK_OR_INTERRUPT_TRANSFER 55 53 42 43 08 8d e2 81
up 25.891 BULK_OR_INTERRUPT_TRANSFER - 0x00000000
down 25.891 BULK_OR_INTERRUPT_TRANSFER 00 00 00 00 00 00 00 0a
up 25.891 BULK_OR_INTERRUPT_TRANSFER 70 00 02 00 00 00 00 0a
0x00000000
down 25.891 BULK_OR_INTERRUPT_TRANSFER 55 53 42 43 08 8d e2 81
up 25.891 BULK_OR_INTERRUPT_TRANSFER 55 53 42 53 08 8d e2 81
0x00000000
down 25.891 BULK_OR_INTERRUPT_TRANSFER 55 53 42 43 d0 1c ed 81
up 25.906 BULK_OR_INTERRUPT_TRANSFER - 0x00000000
down 25.906 BULK_OR_INTERRUPT_TRANSFER 00 00 00 00 00 00 00 00
up 25.906 BULK_OR_INTERRUPT_TRANSFER 0xc0000004
down 25.906 RESET_PIPE
up 25.906 RESET_PIPE 0x00000000
down 25.906 BULK_OR_INTERRUPT_TRANSFER 55 53 42 43 d0 1c ed 81
up 25.906 BULK_OR_INTERRUPT_TRANSFER 55 53 42 53 d0 1c ed 81
0x00000000
down 25.906 BULK_OR_INTERRUPT_TRANSFER 55 53 42 43 d0 1c ed 81
up 25.906 BULK_OR_INTERRUPT_TRANSFER - 0x00000000
down 25.906 BULK_OR_INTERRUPT_TRANSFER 70 00 02 00 00 00 00 0a
up 25.906 BULK_OR_INTERRUPT_TRANSFER 70 00 02 00 00 00 00 0a
0x00000000
> I don't seem to recall anything in RBC about reporting events such as button
> presses.
> I would expect that an interrupt pipe is used for that.
I thought so too, but I see only two enpoints of type bulk for IN/OUT:
$ sudo lsusb -d 0781:b7b9 -v
Bus 001 Device 006: ID 0781:b7b9 SanDisk Corp.
Device Descriptor:
bLength 18
bDescriptorType 1
bcdUSB 2.00
bDeviceClass 0 (Defined at Interface level)
bDeviceSubClass 0
bDeviceProtocol 0
bMaxPacketSize0 64
idVendor 0x0781 SanDisk Corp.
idProduct 0xb7b9
bcdDevice 18.04
iManufacturer 3 SanDisk
iProduct 4 SDDR-189
iSerial 5 2008081401127
bNumConfigurations 1
Configuration Descriptor:
bLength 9
bDescriptorType 2
wTotalLength 32
bNumInterfaces 1
bConfigurationValue 1
iConfiguration 0
bmAttributes 0x80
(Bus Powered)
MaxPower 500mA
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 0
bAlternateSetting 0
bNumEndpoints 2
bInterfaceClass 8 Mass Storage
bInterfaceSubClass 6 SCSI
bInterfaceProtocol 80 Bulk (Zip)
iInterface 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x81 EP 1 IN
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0200 1x 512 bytes
bInterval 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x02 EP 2 OUT
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0200 1x 512 bytes
bInterval 0
Device Qualifier (for other device speed):
bLength 10
bDescriptorType 6
bcdUSB 2.00
bDeviceClass 0 (Defined at Interface level)
bDeviceSubClass 0
bDeviceProtocol 0
bMaxPacketSize0 64
bNumConfigurations 1
Device Status: 0x0000
(Bus Powered)
Thanks for your help,
Chris
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