Comments (9)
zagrodzki
commented on June 9, 2024
What happens when you set a very long timeout or no timeout (0)? Timeouts are controlled by the Device struct, so you'll need to do something like:
dev.ReadTimeout = 0 // no timeout
epIn := dev.OpenEndpoint(...)
from gousb.
vincentserpoul
commented on June 9, 2024
same issue
[IO Connect Endpoint 1 IN interrupt - unsynchronized data [64 0]]
2017/02/18 00:37:17 bulk: interrupt failed: wait timed out after 10s
2017/02/18 00:37:17 read: wait timed out after 10s
from gousb.
zagrodzki
commented on June 9, 2024
I see. I have no good ideas, unfortunately. What sort of a device is this?
I'll try out with my USB mouse to see if it works as expected for me...
from gousb.
vincentserpoul
commented on June 9, 2024
I tried with a xbox 360 and another usb rfid device.
I'm digging into HID, might be the issue.
from gousb.
zagrodzki
commented on June 9, 2024
I've used this:
package main
import (
"github.com/kylelemons/gousb/usb"
"log"
"time"
)
func main() {
ctx := usb.NewContext()
dev, err := ctx.OpenDeviceWithVidPid(0x0461, 0x4d15)
if err != nil {
log.Fatalf("ctx.OpenDeviceWithVidPid: %v", err)
}
defer dev.Close()
dev.SetAutoDetach(true)
dev.ReadTimeout = 5 * time.Second
ep, err := dev.OpenEndpoint(1, 0, 0, 0x81)
if err != nil {
log.Fatalf("dev.OpenEndpoint): %v", err)
}
buf := make([]byte, 16)
for {
num, err := ep.Read(buf)
if err != nil {
log.Fatalf("ep.Read: %v", err)
}
log.Printf("Successfuly read %d bytes", num)
}
}
And it worked fine:
2017/02/17 17:57:36 Successfuly read 16 bytes
2017/02/17 17:57:36 Successfuly read 16 bytes
2017/02/17 17:57:36 Successfuly read 16 bytes
Can you show the output of lsusb -v for your device?
from gousb.
vincentserpoul
commented on June 9, 2024
I just tried exactly the same (vid/pid excepted), still the timeout.
here is the lsusb -v
Bus 002 Device 006: ID 1325:c029
Device Descriptor:
bLength 18
bDescriptorType 1
bcdUSB 1.10
bDeviceClass 0
bDeviceSubClass 0
bDeviceProtocol 0
bMaxPacketSize0 64
idVendor 0x1325
idProduct 0xc029
bcdDevice 0.00
iManufacturer 1 AMS
iProduct 2 AS3991
iSerial 0
bNumConfigurations 1
Configuration Descriptor:
bLength 9
bDescriptorType 2
wTotalLength 41
bNumInterfaces 1
bConfigurationValue 1
iConfiguration 0
bmAttributes 0x80
(Bus Powered)
MaxPower 350mA
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 0
bAlternateSetting 0
bNumEndpoints 2
bInterfaceClass 3 Human Interface Device
bInterfaceSubClass 0
bInterfaceProtocol 0
iInterface 0
HID Device Descriptor:
bLength 9
bDescriptorType 33
bcdHID 1.01
bCountryCode 0 Not supported
bNumDescriptors 1
bDescriptorType 34 Report
wDescriptorLength 578
Report Descriptor: (length is 578)
Item(Global): Usage Page, data= [ 0x00 0xff ] 65280
(null)
Item(Local ): Usage, data= [ 0x01 ] 1
(null)
Item(Main ): Collection, data= [ 0x01 ] 1
Application
Item(Global): Report ID, data= [ 0x10 ] 16
Item(Global): Report Count, data= [ 0x02 ] 2
Item(Global): Report Size, data= [ 0x08 ] 8
Item(Global): Logical Maximum, data= [ 0xff 0x00 ] 255
Item(Global): Logical Minimum, data= [ 0x00 ] 0
Item(Local ): Usage, data= [ 0x01 ] 1
(null)
Item(Main ): Output, data= [ 0x02 ] 2
Data Variable Absolute No_Wrap Linear
Preferred_State No_Null_Position Non_Volatile Bitfield
Item(Global): Report ID, data= [ 0x11 ] 17
Item(Global): Report Count, data= [ 0x30 ] 48
Item(Global): Report Size, data= [ 0x08 ] 8
Item(Global): Logical Maximum, data= [ 0xff 0x00 ] 255
Item(Global): Logical Minimum, data= [ 0x00 ] 0
Item(Local ): Usage, data= [ 0x01 ] 1
(null)
Item(Main ): Input, data= [ 0x02 ] 2
Data Variable Absolute No_Wrap Linear
Preferred_State No_Null_Position Non_Volatile Bitfield
Item(Global): Report ID, data= [ 0x31 ] 49
Item(Global): Report Count, data= [ 0x02 ] 2
Item(Global): Report Size, data= [ 0x08 ] 8
Item(Global): Logical Maximum, data= [ 0xff 0x00 ] 255
Item(Global): Logical Minimum, data= [ 0x00 ] 0
Item(Local ): Usage, data= [ 0x01 ] 1
(null)
Item(Main ): Output, data= [ 0x02 ] 2
Data Variable Absolute No_Wrap Linear
Preferred_State No_Null_Position Non_Volatile Bitfield
Item(Global): Report ID, data= [ 0x32 ] 50
Item(Global): Report Count, data= [ 0x3f ] 63
Item(Global): Report Size, data= [ 0x08 ] 8
Item(Global): Logical Maximum, data= [ 0xff 0x00 ] 255
Item(Global): Logical Minimum, data= [ 0x00 ] 0
Item(Local ): Usage, data= [ 0x01 ] 1
(null)
Item(Main ): Input, data= [ 0x02 ] 2
Data Variable Absolute No_Wrap Linear
Preferred_State No_Null_Position Non_Volatile Bitfield
Item(Global): Report ID, data= [ 0x33 ] 51
Item(Global): Report Count, data= [ 0x3f ] 63
Item(Global): Report Size, data= [ 0x08 ] 8
Item(Global): Logical Maximum, data= [ 0xff 0x00 ] 255
Item(Global): Logical Minimum, data= [ 0x00 ] 0
Item(Local ): Usage, data= [ 0x01 ] 1
(null)
Item(Main ): Output, data= [ 0x02 ] 2
Data Variable Absolute No_Wrap Linear
Preferred_State No_Null_Position Non_Volatile Bitfield
Item(Global): Report ID, data= [ 0x34 ] 52
Item(Global): Report Count, data= [ 0x02 ] 2
Item(Global): Report Size, data= [ 0x08 ] 8
Item(Global): Logical Maximum, data= [ 0xff 0x00 ] 255
Item(Global): Logical Minimum, data= [ 0x00 ] 0
Item(Local ): Usage, data= [ 0x01 ] 1
(null)
Item(Main ): Input, data= [ 0x02 ] 2
Data Variable Absolute No_Wrap Linear
Preferred_State No_Null_Position Non_Volatile Bitfield
Item(Global): Report ID, data= [ 0x18 ] 24
Item(Global): Report Count, data= [ 0x02 ] 2
Item(Global): Report Size, data= [ 0x08 ] 8
Item(Global): Logical Maximum, data= [ 0xff 0x00 ] 255
Item(Global): Logical Minimum, data= [ 0x00 ] 0
Item(Local ): Usage, data= [ 0x01 ] 1
(null)
Item(Main ): Output, data= [ 0x02 ] 2
Data Variable Absolute No_Wrap Linear
Preferred_State No_Null_Position Non_Volatile Bitfield
Item(Global): Report ID, data= [ 0x19 ] 25
Item(Global): Report Count, data= [ 0x02 ] 2
Item(Global): Report Size, data= [ 0x08 ] 8
Item(Global): Logical Maximum, data= [ 0xff 0x00 ] 255
Item(Global): Logical Minimum, data= [ 0x00 ] 0
Item(Local ): Usage, data= [ 0x01 ] 1
(null)
Item(Main ): Input, data= [ 0x02 ] 2
Data Variable Absolute No_Wrap Linear
Preferred_State No_Null_Position Non_Volatile Bitfield
Item(Global): Report ID, data= [ 0x35 ] 53
Item(Global): Report Count, data= [ 0x3f ] 63
Item(Global): Report Size, data= [ 0x08 ] 8
Item(Global): Logical Maximum, data= [ 0xff 0x00 ] 255
Item(Global): Logical Minimum, data= [ 0x00 ] 0
Item(Local ): Usage, data= [ 0x01 ] 1
(null)
Item(Main ): Output, data= [ 0x02 ] 2
Data Variable Absolute No_Wrap Linear
Preferred_State No_Null_Position Non_Volatile Bitfield
Item(Global): Report ID, data= [ 0x36 ] 54
Item(Global): Report Count, data= [ 0x03 ] 3
Item(Global): Report Size, data= [ 0x08 ] 8
Item(Global): Logical Maximum, data= [ 0xff 0x00 ] 255
Item(Global): Logical Minimum, data= [ 0x00 ] 0
Item(Local ): Usage, data= [ 0x01 ] 1
(null)
Item(Main ): Input, data= [ 0x02 ] 2
Data Variable Absolute No_Wrap Linear
Preferred_State No_Null_Position Non_Volatile Bitfield
Item(Global): Report ID, data= [ 0x37 ] 55
Item(Global): Report Count, data= [ 0x07 ] 7
Item(Global): Report Size, data= [ 0x08 ] 8
Item(Global): Logical Maximum, data= [ 0xff 0x00 ] 255
Item(Global): Logical Minimum, data= [ 0x00 ] 0
Item(Local ): Usage, data= [ 0x01 ] 1
(null)
Item(Main ): Output, data= [ 0x02 ] 2
Data Variable Absolute No_Wrap Linear
Preferred_State No_Null_Position Non_Volatile Bitfield
Item(Global): Report ID, data= [ 0x38 ] 56
Item(Global): Report Count, data= [ 0x3f ] 63
Item(Global): Report Size, data= [ 0x08 ] 8
Item(Global): Logical Maximum, data= [ 0xff 0x00 ] 255
Item(Global): Logical Minimum, data= [ 0x00 ] 0
Item(Local ): Usage, data= [ 0x01 ] 1
(null)
Item(Main ): Input, data= [ 0x02 ] 2
Data Variable Absolute No_Wrap Linear
Preferred_State No_Null_Position Non_Volatile Bitfield
Item(Global): Report ID, data= [ 0x1c ] 28
Item(Global): Report Count, data= [ 0x02 ] 2
Item(Global): Report Size, data= [ 0x08 ] 8
Item(Global): Logical Maximum, data= [ 0xff 0x00 ] 255
Item(Global): Logical Minimum, data= [ 0x00 ] 0
Item(Local ): Usage, data= [ 0x01 ] 1
(null)
Item(Main ): Output, data= [ 0x02 ] 2
Data Variable Absolute No_Wrap Linear
Preferred_State No_Null_Position Non_Volatile Bitfield
Item(Global): Report ID, data= [ 0x1d ] 29
Item(Global): Report Count, data= [ 0x05 ] 5
Item(Global): Report Size, data= [ 0x08 ] 8
Item(Global): Logical Maximum, data= [ 0xff 0x00 ] 255
Item(Global): Logical Minimum, data= [ 0x00 ] 0
Item(Local ): Usage, data= [ 0x01 ] 1
(null)
Item(Main ): Input, data= [ 0x02 ] 2
Data Variable Absolute No_Wrap Linear
Preferred_State No_Null_Position Non_Volatile Bitfield
Item(Global): Report ID, data= [ 0x1a ] 26
Item(Global): Report Count, data= [ 0x05 ] 5
Item(Global): Report Size, data= [ 0x08 ] 8
Item(Global): Logical Maximum, data= [ 0xff 0x00 ] 255
Item(Global): Logical Minimum, data= [ 0x00 ] 0
Item(Local ): Usage, data= [ 0x01 ] 1
(null)
Item(Main ): Output, data= [ 0x02 ] 2
Data Variable Absolute No_Wrap Linear
Preferred_State No_Null_Position Non_Volatile Bitfield
Item(Global): Report ID, data= [ 0x1b ] 27
Item(Global): Report Count, data= [ 0x02 ] 2
Item(Global): Report Size, data= [ 0x08 ] 8
Item(Global): Logical Maximum, data= [ 0xff 0x00 ] 255
Item(Global): Logical Minimum, data= [ 0x00 ] 0
Item(Local ): Usage, data= [ 0x01 ] 1
(null)
Item(Main ): Input, data= [ 0x02 ] 2
Data Variable Absolute No_Wrap Linear
Preferred_State No_Null_Position Non_Volatile Bitfield
Item(Global): Report ID, data= [ 0x3f ] 63
Item(Global): Report Count, data= [ 0x0c ] 12
Item(Global): Report Size, data= [ 0x08 ] 8
Item(Global): Logical Maximum, data= [ 0xff 0x00 ] 255
Item(Global): Logical Minimum, data= [ 0x00 ] 0
Item(Local ): Usage, data= [ 0x01 ] 1
(null)
Item(Main ): Output, data= [ 0x02 ] 2
Data Variable Absolute No_Wrap Linear
Preferred_State No_Null_Position Non_Volatile Bitfield
Item(Global): Report ID, data= [ 0x40 ] 64
Item(Global): Report Count, data= [ 0x0c ] 12
Item(Global): Report Size, data= [ 0x08 ] 8
Item(Global): Logical Maximum, data= [ 0xff 0x00 ] 255
Item(Global): Logical Minimum, data= [ 0x00 ] 0
Item(Local ): Usage, data= [ 0x01 ] 1
(null)
Item(Main ): Input, data= [ 0x02 ] 2
Data Variable Absolute No_Wrap Linear
Preferred_State No_Null_Position Non_Volatile Bitfield
Item(Global): Report ID, data= [ 0x47 ] 71
Item(Global): Report Count, data= [ 0x3f ] 63
Item(Global): Report Size, data= [ 0x08 ] 8
Item(Global): Logical Maximum, data= [ 0xff 0x00 ] 255
Item(Global): Logical Minimum, data= [ 0x00 ] 0
Item(Local ): Usage, data= [ 0x01 ] 1
(null)
Item(Main ): Output, data= [ 0x02 ] 2
Data Variable Absolute No_Wrap Linear
Preferred_State No_Null_Position Non_Volatile Bitfield
Item(Global): Report ID, data= [ 0x48 ] 72
Item(Global): Report Count, data= [ 0x02 ] 2
Item(Global): Report Size, data= [ 0x08 ] 8
Item(Global): Logical Maximum, data= [ 0xff 0x00 ] 255
Item(Global): Logical Minimum, data= [ 0x00 ] 0
Item(Local ): Usage, data= [ 0x01 ] 1
(null)
Item(Main ): Input, data= [ 0x02 ] 2
Data Variable Absolute No_Wrap Linear
Preferred_State No_Null_Position Non_Volatile Bitfield
Item(Global): Report ID, data= [ 0x49 ] 73
Item(Global): Report Count, data= [ 0x0c ] 12
Item(Global): Report Size, data= [ 0x08 ] 8
Item(Global): Logical Maximum, data= [ 0xff 0x00 ] 255
Item(Global): Logical Minimum, data= [ 0x00 ] 0
Item(Local ): Usage, data= [ 0x01 ] 1
(null)
Item(Main ): Output, data= [ 0x02 ] 2
Data Variable Absolute No_Wrap Linear
Preferred_State No_Null_Position Non_Volatile Bitfield
Item(Global): Report ID, data= [ 0x50 ] 80
Item(Global): Report Count, data= [ 0x3f ] 63
Item(Global): Report Size, data= [ 0x08 ] 8
Item(Global): Logical Maximum, data= [ 0xff 0x00 ] 255
Item(Global): Logical Minimum, data= [ 0x00 ] 0
Item(Local ): Usage, data= [ 0x01 ] 1
(null)
Item(Main ): Input, data= [ 0x02 ] 2
Data Variable Absolute No_Wrap Linear
Preferred_State No_Null_Position Non_Volatile Bitfield
Item(Global): Report ID, data= [ 0x41 ] 65
Item(Global): Report Count, data= [ 0x3f ] 63
Item(Global): Report Size, data= [ 0x08 ] 8
Item(Global): Logical Maximum, data= [ 0xff 0x00 ] 255
Item(Global): Logical Minimum, data= [ 0x00 ] 0
Item(Local ): Usage, data= [ 0x01 ] 1
(null)
Item(Main ): Output, data= [ 0x02 ] 2
Data Variable Absolute No_Wrap Linear
Preferred_State No_Null_Position Non_Volatile Bitfield
Item(Global): Report ID, data= [ 0x42 ] 66
Item(Global): Report Count, data= [ 0x3f ] 63
Item(Global): Report Size, data= [ 0x08 ] 8
Item(Global): Logical Maximum, data= [ 0xff 0x00 ] 255
Item(Global): Logical Minimum, data= [ 0x00 ] 0
Item(Local ): Usage, data= [ 0x01 ] 1
(null)
Item(Main ): Input, data= [ 0x02 ] 2
Data Variable Absolute No_Wrap Linear
Preferred_State No_Null_Position Non_Volatile Bitfield
Item(Global): Report ID, data= [ 0x43 ] 67
Item(Global): Report Count, data= [ 0x02 ] 2
Item(Global): Report Size, data= [ 0x08 ] 8
Item(Global): Logical Maximum, data= [ 0xff 0x00 ] 255
Item(Global): Logical Minimum, data= [ 0x00 ] 0
Item(Local ): Usage, data= [ 0x01 ] 1
(null)
Item(Main ): Output, data= [ 0x02 ] 2
Data Variable Absolute No_Wrap Linear
Preferred_State No_Null_Position Non_Volatile Bitfield
Item(Global): Report ID, data= [ 0x44 ] 68
Item(Global): Report Count, data= [ 0x3f ] 63
Item(Global): Report Size, data= [ 0x08 ] 8
Item(Global): Logical Maximum, data= [ 0xff 0x00 ] 255
Item(Global): Logical Minimum, data= [ 0x00 ] 0
Item(Local ): Usage, data= [ 0x01 ] 1
(null)
Item(Main ): Input, data= [ 0x02 ] 2
Data Variable Absolute No_Wrap Linear
Preferred_State No_Null_Position Non_Volatile Bitfield
Item(Global): Report ID, data= [ 0x3b ] 59
Item(Global): Report Count, data= [ 0x07 ] 7
Item(Global): Report Size, data= [ 0x08 ] 8
Item(Global): Logical Maximum, data= [ 0xff 0x00 ] 255
Item(Global): Logical Minimum, data= [ 0x00 ] 0
Item(Local ): Usage, data= [ 0x01 ] 1
(null)
Item(Main ): Output, data= [ 0x02 ] 2
Data Variable Absolute No_Wrap Linear
Preferred_State No_Null_Position Non_Volatile Bitfield
Item(Global): Report ID, data= [ 0x3e ] 62
Item(Global): Report Count, data= [ 0x02 ] 2
Item(Global): Report Size, data= [ 0x08 ] 8
Item(Global): Logical Maximum, data= [ 0xff 0x00 ] 255
Item(Global): Logical Minimum, data= [ 0x00 ] 0
Item(Local ): Usage, data= [ 0x01 ] 1
(null)
Item(Main ): Input, data= [ 0x02 ] 2
Data Variable Absolute No_Wrap Linear
Preferred_State No_Null_Position Non_Volatile Bitfield
Item(Global): Report ID, data= [ 0x3d ] 61
Item(Global): Report Count, data= [ 0x06 ] 6
Item(Global): Report Size, data= [ 0x08 ] 8
Item(Global): Logical Maximum, data= [ 0xff 0x00 ] 255
Item(Global): Logical Minimum, data= [ 0x00 ] 0
Item(Local ): Usage, data= [ 0x01 ] 1
(null)
Item(Main ): Output, data= [ 0x02 ] 2
Data Variable Absolute No_Wrap Linear
Preferred_State No_Null_Position Non_Volatile Bitfield
Item(Global): Report ID, data= [ 0x3c ] 60
Item(Global): Report Count, data= [ 0x02 ] 2
Item(Global): Report Size, data= [ 0x08 ] 8
Item(Global): Logical Maximum, data= [ 0xff 0x00 ] 255
Item(Global): Logical Minimum, data= [ 0x00 ] 0
Item(Local ): Usage, data= [ 0x01 ] 1
(null)
Item(Main ): Input, data= [ 0x02 ] 2
Data Variable Absolute No_Wrap Linear
Preferred_State No_Null_Position Non_Volatile Bitfield
Item(Global): Report ID, data= [ 0x45 ] 69
Item(Global): Report Count, data= [ 0x09 ] 9
Item(Global): Report Size, data= [ 0x08 ] 8
Item(Global): Logical Maximum, data= [ 0xff 0x00 ] 255
Item(Global): Logical Minimum, data= [ 0x00 ] 0
Item(Local ): Usage, data= [ 0x01 ] 1
(null)
Item(Main ): Output, data= [ 0x02 ] 2
Data Variable Absolute No_Wrap Linear
Preferred_State No_Null_Position Non_Volatile Bitfield
Item(Global): Report ID, data= [ 0x46 ] 70
Item(Global): Report Count, data= [ 0x04 ] 4
Item(Global): Report Size, data= [ 0x08 ] 8
Item(Global): Logical Maximum, data= [ 0xff 0x00 ] 255
Item(Global): Logical Minimum, data= [ 0x00 ] 0
Item(Local ): Usage, data= [ 0x01 ] 1
(null)
Item(Main ): Input, data= [ 0x02 ] 2
Data Variable Absolute No_Wrap Linear
Preferred_State No_Null_Position Non_Volatile Bitfield
Item(Global): Report ID, data= [ 0x55 ] 85
Item(Global): Report Count, data= [ 0x3f ] 63
Item(Global): Report Size, data= [ 0x08 ] 8
Item(Global): Logical Maximum, data= [ 0xff 0x00 ] 255
Item(Global): Logical Minimum, data= [ 0x00 ] 0
Item(Local ): Usage, data= [ 0x01 ] 1
(null)
Item(Main ): Output, data= [ 0x02 ] 2
Data Variable Absolute No_Wrap Linear
Preferred_State No_Null_Position Non_Volatile Bitfield
Item(Global): Report ID, data= [ 0x56 ] 86
Item(Global): Report Count, data= [ 0x02 ] 2
Item(Global): Report Size, data= [ 0x08 ] 8
Item(Global): Logical Maximum, data= [ 0xff 0x00 ] 255
Item(Global): Logical Minimum, data= [ 0x00 ] 0
Item(Local ): Usage, data= [ 0x01 ] 1
(null)
Item(Main ): Input, data= [ 0x02 ] 2
Data Variable Absolute No_Wrap Linear
Preferred_State No_Null_Position Non_Volatile Bitfield
Item(Global): Report ID, data= [ 0x58 ] 88
Item(Global): Report Count, data= [ 0x3f ] 63
Item(Global): Report Size, data= [ 0x08 ] 8
Item(Global): Logical Maximum, data= [ 0xff 0x00 ] 255
Item(Global): Logical Minimum, data= [ 0x00 ] 0
Item(Local ): Usage, data= [ 0x01 ] 1
(null)
Item(Main ): Input, data= [ 0x02 ] 2
Data Variable Absolute No_Wrap Linear
Preferred_State No_Null_Position Non_Volatile Bitfield
Item(Global): Report ID, data= [ 0x57 ] 87
Item(Global): Report Count, data= [ 0x01 ] 1
Item(Global): Report Size, data= [ 0x08 ] 8
Item(Global): Logical Maximum, data= [ 0xff 0x00 ] 255
Item(Global): Logical Minimum, data= [ 0x00 ] 0
Item(Local ): Usage, data= [ 0x01 ] 1
(null)
Item(Main ): Output, data= [ 0x02 ] 2
Data Variable Absolute No_Wrap Linear
Preferred_State No_Null_Position Non_Volatile Bitfield
Item(Global): Report ID, data= [ 0x5a ] 90
Item(Global): Report Count, data= [ 0x3f ] 63
Item(Global): Report Size, data= [ 0x08 ] 8
Item(Global): Logical Maximum, data= [ 0xff 0x00 ] 255
Item(Global): Logical Minimum, data= [ 0x00 ] 0
Item(Local ): Usage, data= [ 0x01 ] 1
(null)
Item(Main ): Input, data= [ 0x02 ] 2
Data Variable Absolute No_Wrap Linear
Preferred_State No_Null_Position Non_Volatile Bitfield
Item(Global): Report ID, data= [ 0x59 ] 89
Item(Global): Report Count, data= [ 0x3f ] 63
Item(Global): Report Size, data= [ 0x08 ] 8
Item(Global): Logical Maximum, data= [ 0xff 0x00 ] 255
Item(Global): Logical Minimum, data= [ 0x00 ] 0
Item(Local ): Usage, data= [ 0x01 ] 1
(null)
Item(Main ): Output, data= [ 0x02 ] 2
Data Variable Absolute No_Wrap Linear
Preferred_State No_Null_Position Non_Volatile Bitfield
Item(Main ): End Collection, data=none
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x81 EP 1 IN
bmAttributes 3
Transfer Type Interrupt
Synch Type None
Usage Type Data
wMaxPacketSize 0x0040 1x 64 bytes
bInterval 10
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x02 EP 2 OUT
bmAttributes 3
Transfer Type Interrupt
Synch Type None
Usage Type Data
wMaxPacketSize 0x0040 1x 64 bytes
bInterval 10
can't get debug descriptor: Resource temporarily unavailable
Device Status: 0x0000
(Bus Powered)
from gousb.
zagrodzki
commented on June 9, 2024
No idea. One thing I might recommend is running wireshark on usbmon interface, and comparing the packet capture for gousb and node-hid. It should show you exactly what's happening on the bus.
from gousb.
vincentserpoul
commented on June 9, 2024
thanks a lot @zagrodzki. I will have a deeper look with wireshark and get back.
We can close this issue and I will re-open (or open a new one) when I will have more insights.
from gousb.
vincentserpoul
commented on June 9, 2024
I didn't find any reason for the behaviour.
I will upgrade the hardware so will no longer be able to test and troubleshoot this issue.
Hence, I'm closing it.
from gousb.
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