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Thread: Lirc and Northstar Systems MCEusb2

  1. #1
    Join Date
    Jan 2007
    Beans
    2
    Distro
    Kubuntu 7.10 Gutsy Gibbon

    Question Lirc and Northstar Systems MCEusb2

    Hello, I've been all over trying to get the ir receiver that came with my HP9250f. I have determined (by booting into windows) that it is a standard MCE remote with exception to it's device ID. Knowing this I patched the mceusb2.c file in the Lirc source code with the proper device ID listed in the output below. Still whenever when I start Lirc no devices are created and/or recognized as a receiver. If anyone has any ideas or has had this problem any help would be apreciated. Thanks.

    Below are the relevant lsusb and cat /proc/bus/usb/devices output if you want anything else I will be glad to post it.

    Code:
    Bus 008 Device 035: ID 04eb:e004 Northstar Systems, Inc.
    Code:
    T:  Bus=08 Lev=02 Prnt=33 Port=01 Cnt=02 Dev#= 35 Spd=12  MxCh= 0
    D:  Ver= 2.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS= 8 #Cfgs=  1
    P:  Vendor=04eb ProdID=e004 Rev= 3.60
    S:  Manufacturer=028797697842030370
    S:  Product=eHome Infrared Transceiver
    S:  SerialNumber=A00000001
    C:* #Ifs= 2 Cfg#= 1 Atr=a0 MxPwr=100mA
    I:* If#= 0 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=ff Prot=ff Driver=(none)
    E:  Ad=01(O) Atr=03(Int.) MxPS=  32 Ivl=8ms
    E:  Ad=82(I) Atr=03(Int.) MxPS=  32 Ivl=8ms
    I:* If#= 1 Alt= 0 #EPs= 1 Cls=03(HID  ) Sub=00 Prot=00 Driver=usbhid
    E:  Ad=83(I) Atr=03(Int.) MxPS=   8 Ivl=8ms
    Last edited by Nerachnaku; October 19th, 2008 at 09:00 PM. Reason: Grammar + spelling

  2. #2
    Join Date
    Jun 2005
    Location
    Los Angeles, CA
    Beans
    4

    Re: Lirc and Northstar Systems MCEusb2

    It appears we have the same IR transceiver and I'm looking to make mine work. Did you ever make any progress on this?

    More information:

    Code:
    [jherm@desktop Desktop]$ sudo lsusb -vd 04eb:e004
    
    Bus 002 Device 005: ID 04eb:e004 Northstar Systems, Inc. 
    Device Descriptor:
      bLength                18
      bDescriptorType         1
      bcdUSB               2.00
      bDeviceClass            0 (Defined at Interface level)
      bDeviceSubClass         0 
      bDeviceProtocol         0 
      bMaxPacketSize0         8
      idVendor           0x04eb Northstar Systems, Inc.
      idProduct          0xe004 
      bcdDevice            3.60
      iManufacturer           1 028797697842030370
      iProduct                2 eHome Infrared Transceiver
      iSerial                 3 A00000001
      bNumConfigurations      1
      Configuration Descriptor:
        bLength                 9
        bDescriptorType         2
        wTotalLength           57
        bNumInterfaces          2
        bConfigurationValue     1
        iConfiguration          0 
        bmAttributes         0xa0
          (Bus Powered)
          Remote Wakeup
        MaxPower              100mA
        Interface Descriptor:
          bLength                 9
          bDescriptorType         4
          bInterfaceNumber        0
          bAlternateSetting       0
          bNumEndpoints           2
          bInterfaceClass       255 Vendor Specific Class
          bInterfaceSubClass    255 Vendor Specific Subclass
          bInterfaceProtocol    255 Vendor Specific Protocol
          iInterface              0 
          Endpoint Descriptor:
            bLength                 7
            bDescriptorType         5
            bEndpointAddress     0x01  EP 1 OUT
            bmAttributes            3
              Transfer Type            Interrupt
              Synch Type               None
              Usage Type               Data
            wMaxPacketSize     0x0020  1x 32 bytes
            bInterval               8
          Endpoint Descriptor:
            bLength                 7
            bDescriptorType         5
            bEndpointAddress     0x82  EP 2 IN
            bmAttributes            3
              Transfer Type            Interrupt
              Synch Type               None
              Usage Type               Data
            wMaxPacketSize     0x0020  1x 32 bytes
            bInterval               8
        Interface Descriptor:
          bLength                 9
          bDescriptorType         4
          bInterfaceNumber        1
          bAlternateSetting       0
          bNumEndpoints           1
          bInterfaceClass         3 Human Interface Device
          bInterfaceSubClass      0 No Subclass
          bInterfaceProtocol      0 None
          iInterface              0 
            HID Device Descriptor:
              bLength                 9
              bDescriptorType        33
              bcdHID               1.11
              bCountryCode            0 Not supported
              bNumDescriptors         1
              bDescriptorType        34 Report
              wDescriptorLength      28
             Report Descriptors: 
               ** UNAVAILABLE **
          Endpoint Descriptor:
            bLength                 7
            bDescriptorType         5
            bEndpointAddress     0x83  EP 3 IN
            bmAttributes            3
              Transfer Type            Interrupt
              Synch Type               None
              Usage Type               Data
            wMaxPacketSize     0x0008  1x 8 bytes
            bInterval               8
    Device Status:     0x0000
      (Bus Powered)

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