Hot!Curiosity HPC Programmer Fried?

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swernimo
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2019/01/27 16:31:16 (permalink)
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Curiosity HPC Programmer Fried?

Hi, I'm wondering if the programmer on my HPC is fried. I've tried two different computer (one Win 10, one mac) different USB ports and different USB cables, but the programmer is no longer being recognized. There is still power running to the board and the MCU (a PIC16F18875) is still running the last code that was written on it, but nothing is picking up the programmer so I cannot update the MCU. I've tried MP Lab Express and I can start the device build but it says no programmer found. The curiosity board doesn't show up in the debugger tool window.
 
I'm wondering if the debugger is fried or otherwise broken. Is there any way to tell?
 
 

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    cTucker
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    Re: Curiosity HPC Programmer Fried? 2019/02/04 16:03:50 (permalink)
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    Have you tried to install a copy of the MPLAB X IDE on the computer? The online IDE may be having communication, or drivers issues; but I have not used it extensively. Making sure to have the the latest available would be the first thing to try. If possible get away from the online IDE (MP Express), using the install IDE could resolve the issue.
     
    I've never had issues with my HPC board with recognizing attachment; at least that wasn't recovered doing an IDE, or PC reset. Typically then it was related to the USB enumeration. 
     
    Was the previous application something that could have damaged the board, or device?
    #2
    swernimo
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    Re: Curiosity HPC Programmer Fried? 2019/02/05 12:51:49 (permalink)
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    I tried the desktop MPLab X IDE but have the same problem. I ended up just ordering a new curiosity. I was working with a breadboard and external battery supply. I had a diode in place to prevent back voltage, but it probably wasn't set correctly.
    #3
    Tim Cruise
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    Re: Curiosity HPC Programmer Fried? 2019/02/18 01:00:51 (permalink)
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    Plug into a USB v2 rather than a USB v3.
     
    I have exprienced this before.  USB v3 feeds too much current.
    #4
    qhb
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    Re: Curiosity HPC Programmer Fried? 2019/02/18 03:30:25 (permalink)
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    There's all sorts of reasons why USB3 might not work, but "too much current" is not one of them.
     
    #5
    Howard Long
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    Re: Curiosity HPC Programmer Fried? 2019/02/18 07:32:37 (permalink)
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    In addition to the other comments...
     
    Does your computer make an insertion sound, and does it show up in Device Manager in the Human Interface Devices? When you insert it, there should be an additional "USB Input Device" and an additional "HID-compliant vendor-defined device" in the Human Interface Devices.
     
    The VID/PID for the Curiosity HPC (as well as several other boards with PKOBs) is 0x04d8/0x8107.
    #6
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