18F4550 with usb bootloader from microchip problem

Discussion in 'Embedded Systems and Microcontrollers' started by varunme, Oct 8, 2011.

  1. varunme

    Thread Starter Member

    Sep 29, 2011
    59
    0
    I have tried the bootloaders from microchip (cdc , HID) and all which is available for usb , the bootloader is burnt with programmer from kitsrus using their microburn software , and I am using demoboard from
    http://www.nskelectronics.in/pic-usb-4550_brd.html ,
    The normal Led blink codes are working but the ones related to usb are not ok . when i connect to pc it says usb device not recognized and in the driver tab , the VID and PID are 0000 , VUSB is connected with 440nF and I am using 20MHZ crystal.
    kindly someone help me
     
  2. nigelwright7557

    Senior Member

    May 10, 2008
    487
    71
  3. varunme

    Thread Starter Member

    Sep 29, 2011
    59
    0
    I am using the firmware supplied with microchip , should i compile the source and make the hex myself ? , i have tried all the methods known for me to make the board to work with no success
     
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