View source for E3C EC168

The E3C EC168 is used in many cheap DVB-T Sticks.
It is currently unsupported under Linux.

==DVB-T Devices==

Known USB IDs are 18b4:1689, 18b4:fffa, 18b4:fffb, 18b4:1001 and 18b4:1002 (second tuner).
* DUTV002     Shen Zhen MinTV-DVB-T Stick 18b4:1001
* DUTV007B    USB TNT Basic LIGHT from PC-Basic (Graphics) with [[MXL5003S]] tuner and has USB ID 18b4:1001.
* SKU08309    USB DVB-T TV Dongle with Remote from DealExtreme uses this chip and has USB ID 18b4:1689.
* ???????     ZAP DVB-T USB stick 
* MM002V2     Sweex MM002V2 Microtune [[MT2060]] silicon tuner 18b4:1689
*             Tvisto USB DVB-T with [[MXL5003S]] tuner 18b4:fffa 

Without drivers, ubuntu 8.10 detect the dongle as an USB Keyboard :
 [    8.729023] usb 3-2: new high speed USB device using ehci_hcd and address 2
 [    8.844654] usb 3-2: configuration #1 chosen from 1 choice
 [    8.844992] usb 3-2: New USB device found, idVendor=18b4, idProduct=1001
 [    8.844994] usb 3-2: New USB device strings: Mfr=0, Product=0, SerialNumber=0
 [    8.919832] input: HID 18b4:1001 as /devices/pci0000:00/0000:00:04.1/usb3/3-2/3-2:1.0/input/input5
 [    8.922137] input,hidraw4: USB HID v1.11 Keyboard [HID 18b4:1001] on usb-0000:00:04.1-2

===SinoVideo 3420A-2===
No eeprom in this one [[Image:http://plone.lucidsolutions.co.nz/dvb/t/usb/images/SV-3420A%20-PCB%20top.JPG]]
Links: [http://plone.lucidsolutions.co.nz/dvb/t/usb/sinovideo-3420a-2]

===SKU 08309 USB DVB-T Dongle===
SKU 08309 USB DVB-T Dongle requires Firmware-File called EC168BDA.bin contained in Windows Driver [http://www.e3ctech.com/download/TVGo_Genius.rar]
Produced by E3C [http://www.e3ctech.com/products.html] (Tai-Hui Inc)

===DUTV07B USB TNT Basic LIGHT (GRTNTUSBV4)===
Same USB descriptors as SinoVideo 3420A-2, but with another PID... IR is detected directly by the hidraw driver (usbhid)

[[Image:DUTV007B.JPG|thumb|300px]]

The PC-Basic v4 USB Stick contains following chips :
* EC168 (USB 2.0 µ-controller, could be also a preprogrammed AVR or PIC)
* [[Maxlinear]] [[MXL5003S]] Tuner [http://www.maxlinear.com/page.cfm?page=5003S]
* EEPROM 24C02 I²C (256 Bytes) [http://www.datasheetcatalog.com/datasheets_pdf/2/4/C/0/24C02.shtml]

The windows driver also upload a 7109-bytes sized firmware (EC168BDA.bin) to get the device working...

==Uploading Firmware to the device==
* Firmware upload/download utility by Tanguy Pruvot : [http://tanguy.ath.cx/index.php?q=EC168]

==Known USB requests==

 #define CMD_EC168_RAM       0x00 //RW- Read/Write RAM (Firmware go to addr 0-0x1EFF)
 #define CMD_EC168_GETSTATUS 0x01 //R-- ex: dfu_ctrl_get(device,0x01,0x0000,0x01A0,buffer,0x1A);
 #define CMD_EC168_STREAM    0x03 //R-X ex: dfu_ctrl(device,0x03,0/0x20,0xFF00);
                                  //    disable/enable streaming 
 #define CMD_EC168_SET_POWER 0x04 //--X ex: dfu_ctrl(device,0x04,0/1,0x0008);
                                  //    disable/enable LED
                                  //    indexes seen: 206,208,8,9,A,B
 #define CMD_EC168_UNKNOWN   0x10 //--X ???
 #define CMD_EC168_READ_BUF  0x20 //R-- ex: dfu_ctrl_get(device,0x20,0x0000,0x01A0,buffer,0x1A); 
 #define CMD_EC168_WRITE_BUF 0x21 //-W- 
 #define CMD_EC168_SET       0x30 //--X ex: dfu_ctrl(device, 0x30, 0x0709, 0x1A);

==Identification==
USB subsytem ID is: 18b4:1001
 
output of 'lsusb -vv -d 18b4:1001':

 Device Descriptor:
  bLength                18
  bDescriptorType         1
  bcdUSB               2.00
  bDeviceClass            0 (Defined at Interface level)
  bDeviceSubClass         0
  bDeviceProtocol         0
  bMaxPacketSize0        64
  idVendor           0x18b4
  idProduct          0x1001
  bcdDevice            0.02
  iManufacturer           0
  iProduct                0
  iSerial                 0
  bNumConfigurations      1
  Configuration Descriptor:
    bLength                 9
    bDescriptorType         2
    wTotalLength           50
    bNumInterfaces          2
    bConfigurationValue     1
    iConfiguration          0
    bmAttributes         0x80
      (Bus Powered)
    MaxPower              100mA
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        0
      bAlternateSetting       0
      bNumEndpoints           1
      bInterfaceClass         3 Human Interface Device
      bInterfaceSubClass      1 Boot Interface Subclass
      bInterfaceProtocol      1 Keyboard
      iInterface              0
        HID Device Descriptor:
          bLength                 9
          bDescriptorType        33
          bcdHID               1.11
          bCountryCode            0 Not supported
          bNumDescriptors         1
          bDescriptorType        34 Report
          wDescriptorLength      63
         Report Descriptors:
           ** UNAVAILABLE **
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x81  EP 1 IN
        bmAttributes            3
          Transfer Type            Interrupt
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0008  1x 8 bytes
        bInterval               7
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        1
      bAlternateSetting       0
      bNumEndpoints           1
      bInterfaceClass       255 Vendor Specific Class
      bInterfaceSubClass    255 Vendor Specific Subclass
      bInterfaceProtocol    255 Vendor Specific Protocol
      iInterface              0
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x82  EP 2 IN
        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:     0x0001
  Self Powered