Difference between revisions of "Device cables/Info"

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m (→‎UNI-T UT-D04: add differents lsusb)
m (→‎UNI-T UT-D04: add different cable)
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</small>
</small>


'''lsusb of slightly different cable:'''
'''lsusb of slightly different cables:'''


There is another cable version apparently which also has the USB VID/PID 1a86:e008 ("QinHeng Electronics HID-based serial adapater"), but with slightly different lsusb output. Both cables work fine with the same code, it's unclear what the differences are (or whether they relate to the chip/hardware or to some kind of firmware or ROM).
There is another cable version apparently which also has the USB VID/PID 1a86:e008 ("QinHeng Electronics HID-based serial adapater"), but with slightly different lsusb output. Both cables work fine with the same code, it's unclear what the differences are (or whether they relate to the chip/hardware or to some kind of firmware or ROM).
Line 133: Line 133:
  +  bcdDevice          11.00
  +  bcdDevice          11.00
  +  iManufacturer          1 WCH.CN ^Q
  +  iManufacturer          1 WCH.CN ^Q
</small>
here the USB VID/PID are the same, but some details are different, and it advertises itself as self-powered, which it isn't.
<small>
Bus 001 Device 040: ID 1a86:e008 QinHeng Electronics HID-based serial adapater
Device Descriptor:
  bLength                18
  bDescriptorType        1
  bcdUSB              1.00
  bDeviceClass            0 (Defined at Interface level)
  bDeviceSubClass        0
  bDeviceProtocol        0
  bMaxPacketSize0        8
  idVendor          0x1a86 QinHeng Electronics
  idProduct          0xe008 HID-based serial adapater
  bcdDevice          12.00
  iManufacturer          1 (error)
  iProduct                2 (error)
  iSerial                0
  bNumConfigurations      1
  Configuration Descriptor:
    bLength                9
    bDescriptorType        2
    wTotalLength          41
    bNumInterfaces          1
    bConfigurationValue    1
    iConfiguration          4 (error)
    bmAttributes        0x80
      (Bus Powered)
    MaxPower              100mA
    Interface Descriptor:
      bLength                9
      bDescriptorType        4
      bInterfaceNumber        0
      bAlternateSetting      0
      bNumEndpoints          2
      bInterfaceClass        3 Human Interface Device
      bInterfaceSubClass      0 No Subclass
      bInterfaceProtocol      0 None
      iInterface              0
        HID Device Descriptor:
          bLength                9
          bDescriptorType        33
          bcdHID              1.00
          bCountryCode            0 Not supported
          bNumDescriptors        1
          bDescriptorType        34 Report
          wDescriptorLength      37
        Report Descriptors:
          ** UNAVAILABLE **
      Endpoint Descriptor:
        bLength                7
        bDescriptorType        5
        bEndpointAddress    0x82  EP 2 IN
        bmAttributes            3
          Transfer Type            Interrupt
          Synch Type              None
          Usage Type              Data
        wMaxPacketSize    0x0008  1x 8 bytes
        bInterval              5
      Endpoint Descriptor:
        bLength                7
        bDescriptorType        5
        bEndpointAddress    0x02  EP 2 OUT
        bmAttributes            3
          Transfer Type            Interrupt
          Synch Type              None
          Usage Type              Data
        wMaxPacketSize    0x0008  1x 8 bytes
        bInterval              5
Device Status:    0x0001
  Self Powered
</small>
</small>


Revision as of 18:16, 1 January 2014

Multimeters

UNI-T UT-D04

How to get a proper lsusb:

As documented by Ralf Burger the UT-D04 USBHID-to-serial cable (at least the one with WCH CH9325 chip) that comes with the UT61D multimeter has some issues on Linux. Apparently you need to put it into (auto)suspend first, before you can properly use it.

Here's a script (written by Ralf Burger) which you can run before using the chip and/or doing an lsusb: 

$ cat suspend.HE2325U.sh
#!/bin/bash
for dat in /sys/bus/usb/devices/*; do
  if test -e $dat/manufacturer; then
    grep "WCH.CN" $dat/manufacturer > /dev/null && echo auto > ${dat}/power/level && echo 0 > ${dat}/power/autosuspend
  fi
done

lsusb:

This is the lsusb ouput on Linux: 

$ lsusb -vvv
Bus 003 Device 023: ID 1a86:e008 QinHeng Electronics HID-based serial adapater
Device Descriptor:
  bLength                18
  bDescriptorType         1
  bcdUSB               1.00
  bDeviceClass            0 (Defined at Interface level)
  bDeviceSubClass         0 
  bDeviceProtocol         0 
  bMaxPacketSize0         8
  idVendor           0x1a86 QinHeng Electronics
  idProduct          0xe008 HID-based serial adapater
  bcdDevice           11.00
  iManufacturer           1 WCH.CN �
  iProduct                2 USB to Serial
  iSerial                 0 
  bNumConfigurations      1
  Configuration Descriptor:
    bLength                 9
    bDescriptorType         2
    wTotalLength           41
    bNumInterfaces          1
    bConfigurationValue     1
    iConfiguration          4 
    bmAttributes         0x80
      (Bus Powered)
    MaxPower              100mA
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        0
      bAlternateSetting       0
      bNumEndpoints           2
      bInterfaceClass         3 Human Interface Device
      bInterfaceSubClass      0 No Subclass
      bInterfaceProtocol      0 None
      iInterface              0 
        HID Device Descriptor:
          bLength                 9
          bDescriptorType        33
          bcdHID               1.00
          bCountryCode            0 Not supported
          bNumDescriptors         1
          bDescriptorType        34 Report
          wDescriptorLength      37
          Report Descriptor: (length is 37)
            Item(Global): Usage Page, data= [ 0xa0 0xff ] 65440
                            (null)
            Item(Local ): Usage, data= [ 0x01 ] 1
                            (null)
            Item(Main  ): Collection, data= [ 0x01 ] 1
                            Application
            Item(Local ): Usage, data= [ 0x01 ] 1
                            (null)
            Item(Global): Logical Minimum, data= [ 0x00 ] 0
            Item(Global): Logical Maximum, data= [ 0xff 0x00 ] 255
            Item(Global): Report Size, data= [ 0x08 ] 8
            Item(Global): Report Count, data= [ 0x08 ] 8
            Item(Main  ): Input, data= [ 0x02 ] 2
                            Data Variable Absolute No_Wrap Linear
                            Preferred_State No_Null_Position Non_Volatile Bitfield
            Item(Local ): Usage, data= [ 0x02 ] 2
                            (null)
            Item(Global): Report Size, data= [ 0x08 ] 8
            Item(Global): Report Count, data= [ 0x08 ] 8
            Item(Main  ): Output, data= [ 0x02 ] 2
                            Data Variable Absolute No_Wrap Linear
                            Preferred_State No_Null_Position Non_Volatile Bitfield
            Item(Local ): Usage, data= [ 0x03 ] 3
                            (null)
            Item(Global): Report Size, data= [ 0x08 ] 8
            Item(Global): Report Count, data= [ 0x05 ] 5
            Item(Main  ): Feature, 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     0x82  EP 2 IN
        bmAttributes            3
          Transfer Type            Interrupt
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0008  1x 8 bytes
        bInterval               5
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x02  EP 2 OUT
        bmAttributes            3
          Transfer Type            Interrupt
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0008  1x 8 bytes
        bInterval               5
Device Status:     0x0000
  (Bus Powered)

lsusb of slightly different cables:

There is another cable version apparently which also has the USB VID/PID 1a86:e008 ("QinHeng Electronics HID-based serial adapater"), but with slightly different lsusb output. Both cables work fine with the same code, it's unclear what the differences are (or whether they relate to the chip/hardware or to some kind of firmware or ROM). 

-   bcdDevice           12.00
-   iManufacturer           1 WCH.CN ^R
+   bcdDevice           11.00
+   iManufacturer           1 WCH.CN ^Q

here the USB VID/PID are the same, but some details are different, and it advertises itself as self-powered, which it isn't.

Bus 001 Device 040: ID 1a86:e008 QinHeng Electronics HID-based serial adapater Device Descriptor: 

 bLength                18
 bDescriptorType         1
 bcdUSB               1.00
 bDeviceClass            0 (Defined at Interface level)
 bDeviceSubClass         0 
 bDeviceProtocol         0 
 bMaxPacketSize0         8
 idVendor           0x1a86 QinHeng Electronics
 idProduct          0xe008 HID-based serial adapater
 bcdDevice           12.00
 iManufacturer           1 (error)
 iProduct                2 (error)
 iSerial                 0 
 bNumConfigurations      1
 Configuration Descriptor:
   bLength                 9
   bDescriptorType         2
   wTotalLength           41
   bNumInterfaces          1
   bConfigurationValue     1
   iConfiguration          4 (error)
   bmAttributes         0x80
     (Bus Powered)
   MaxPower              100mA
   Interface Descriptor:
     bLength                 9
     bDescriptorType         4
     bInterfaceNumber        0
     bAlternateSetting       0
     bNumEndpoints           2
     bInterfaceClass         3 Human Interface Device
     bInterfaceSubClass      0 No Subclass
     bInterfaceProtocol      0 None
     iInterface              0 
       HID Device Descriptor:
         bLength                 9
         bDescriptorType        33
         bcdHID               1.00
         bCountryCode            0 Not supported
         bNumDescriptors         1
         bDescriptorType        34 Report
         wDescriptorLength      37
        Report Descriptors: 
          ** UNAVAILABLE **
     Endpoint Descriptor:
       bLength                 7
       bDescriptorType         5
       bEndpointAddress     0x82  EP 2 IN
       bmAttributes            3
         Transfer Type            Interrupt
         Synch Type               None
         Usage Type               Data
       wMaxPacketSize     0x0008  1x 8 bytes
       bInterval               5
     Endpoint Descriptor:
       bLength                 7
       bDescriptorType         5
       bEndpointAddress     0x02  EP 2 OUT
       bmAttributes            3
         Transfer Type            Interrupt
         Synch Type               None
         Usage Type               Data
       wMaxPacketSize     0x0008  1x 8 bytes
       bInterval               5

Device Status: 0x0001 

 Self Powered

usbhid-dump: 

$ usbhid-dump
003:009:000:DESCRIPTOR         1347198370.436452
 06 A0 FF 09 01 A1 01 09 01 15 00 26 FF 00 75 08
 95 08 81 02 09 02 75 08 95 08 91 02 09 03 75 08
 95 05 B1 02 C0

Simple USB Logger (Windows):

This is a screenshot of the decoded HID data, using the Simple USB Logger Windows tool.

Uni t-ut-d04 hid.png

V&A VA4000

Old version: Sunplus SPCP825

lsusb: 

$ lsusb -vvv
Bus 005 Device 069: ID 04fc:0201 Sunplus Technology Co., Ltd
Device Descriptor:
  bLength                18
  bDescriptorType         1
  bcdUSB               1.10
  bDeviceClass            0 (Defined at Interface level)
  bDeviceSubClass         0 
  bDeviceProtocol         0 
  bMaxPacketSize0         8
  idVendor           0x04fc Sunplus Technology Co., Ltd
  idProduct          0x0201 
  bcdDevice            1.00
  iManufacturer           0 
  iProduct                2 RS232C to USB Adapter
  iSerial                 0 
  bNumConfigurations      1
  Configuration Descriptor:
    bLength                 9
    bDescriptorType         2
    wTotalLength           32
    bNumInterfaces          1
    bConfigurationValue     1
    iConfiguration          0 
    bmAttributes         0x80
      (Bus Powered)
    MaxPower              100mA
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        0
      bAlternateSetting       0
      bNumEndpoints           2
      bInterfaceClass         0 (Defined at Interface level)
      bInterfaceSubClass      0 
      bInterfaceProtocol      0 
      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     0x0010  1x 16 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     0x0008  1x 8 bytes
        bInterval               0
Device Status:     0x0000
  (Bus Powered)

New version: Prolific PL2303HX

lsusb: 

$ lsusb -vvv
Bus 005 Device 098: ID 067b:2303 Prolific Technology, Inc. PL2303 Serial Port
Device Descriptor:
  bLength                18
  bDescriptorType         1
  bcdUSB               1.10
  bDeviceClass            0 (Defined at Interface level)
  bDeviceSubClass         0 
  bDeviceProtocol         0 
  bMaxPacketSize0        64
  idVendor           0x067b Prolific Technology, Inc.
  idProduct          0x2303 PL2303 Serial Port
  bcdDevice            3.00
  iManufacturer           1 Prolific Technology Inc.
  iProduct                2 USB-Serial Controller
  iSerial                 0 
  bNumConfigurations      1
  Configuration Descriptor:
    bLength                 9
    bDescriptorType         2
    wTotalLength           39
    bNumInterfaces          1
    bConfigurationValue     1
    iConfiguration          0 
    bmAttributes         0x80
      (Bus Powered)
    MaxPower              100mA
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        0
      bAlternateSetting       0
      bNumEndpoints           3
      bInterfaceClass       255 Vendor Specific Class
      bInterfaceSubClass      0 
      bInterfaceProtocol      0 
      iInterface              0 
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x81  EP 1 IN
        bmAttributes            3
          Transfer Type            Interrupt
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x000a  1x 10 bytes
        bInterval               1
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x02  EP 2 OUT
        bmAttributes            2
          Transfer Type            Bulk
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0040  1x 64 bytes
        bInterval               0
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x83  EP 3 IN
        bmAttributes            2
          Transfer Type            Bulk
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0040  1x 64 bytes
        bInterval               0
Device Status:     0x0000
  (Bus Powered)


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