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Full Version: problem writing .hex in flash "unknown response"
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Hi,


I'm having this output from debug mode when I try to write a .hex on my usb host 2.1 (hobbytronics).

Initiating write...
      Creating port: Prolific USB-to-Serial Comm Port (COM9)
      Opening port Prolific USB-to-Serial Comm Port (COM9)@115200
      Searching for bl . 
      Found PIC24FJ64GB002 fw ver. 4.0.0
      Boot loader placement/size: 2/1
      Waiting for the boot loader to be ready...ok
      Hex file successfully parsed in 0ms
      Writing flash....
            Erasing page 0 @ 0x0000...ok
            Writing row 0 @ 0x0000...ok
            Writing row 1 @ 0x0080...ok
            Writing row 2 @ 0x0100...ok
            Writing row 3 @ 0x0180...ok
            Writing row 4 @ 0x0200...ok
            Writing row 5 @ 0x0280...ok
            Writing row 6 @ 0x0300...ok
            Writing row 7 @ 0x0380...ok
            Erasing page 1 @ 0x0400...ok
            Writing row 8 @ 0x0400...ok
            Writing row 9 @ 0x0480...ok
            Writing row 10 @ 0x0500...ok
            Writing row 11 @ 0x0580...ok
            Writing row 12 @ 0x0600...ok
            Writing row 13 @ 0x0680...ok
            Writing row 14 @ 0x0700...ok
            Writing row 15 @ 0x0780...ok
            Erasing page 2 @ 0x0800...ok
            Writing row 16 @ 0x0800...ok
            Writing row 17 @ 0x0880...ok
            Writing row 18 @ 0x0900...ok
            Writing row 19 @ 0x0980...ok
            Writing row 20 @ 0x0A00...ok
            Writing row 21 @ 0x0A80...ok
            Writing row 22 @ 0x0B00...ok
            Writing row 23 @ 0x0B80...ok
            Erasing page 3 @ 0x0C00...ok
            Writing row 24 @ 0x0C00...ok
            Writing row 25 @ 0x0C80...ok
            Writing row 26 @ 0x0D00...ok
            Writing row 27 @ 0x0D80...ok
            Writing row 28 @ 0x0E00...ok
            Writing row 29 @ 0x0E80...ok
            Writing row 30 @ 0x0F00...ok
            Writing row 31 @ 0x0F80...ok
            Erasing page 4 @ 0x1000...ok
            Writing row 32 @ 0x1000...ok
            Writing row 33 @ 0x1080...ok
            Writing row 34 @ 0x1100...ok
            Writing row 35 @ 0x1180...ok
            Writing row 36 @ 0x1200...ok
            Writing row 37 @ 0x1280...ok
            Writing row 38 @ 0x1300...ok
            Writing row 39 @ 0x1380...ok
            Erasing page 5 @ 0x1400...ok
            Writing row 40 @ 0x1400...ok
            Writing row 41 @ 0x1480...ok
            Writing row 42 @ 0x1500...ok
            Writing row 43 @ 0x1580...ok
            Writing row 44 @ 0x1600...ok
            Writing row 45 @ 0x1680...ok
            Writing row 46 @ 0x1700...ok
            Writing row 47 @ 0x1780...ok
            Erasing page 6 @ 0x1800...ok
            Writing row 48 @ 0x1800...ok
            Writing row 49 @ 0x1880...ok
            Writing row 50 @ 0x1900...ok
            Writing row 51 @ 0x1980...ok
            Writing row 52 @ 0x1A00...ok
            Writing row 53 @ 0x1A80...ok
            Writing row 54 @ 0x1B00...ok
            Writing row 55 @ 0x1B80...ok
            Erasing page 7 @ 0x1C00...ok
            Writing row 56 @ 0x1C00...ok
            Writing row 57 @ 0x1C80...ok
            Writing row 58 @ 0x1D00...ok
            Writing row 59 @ 0x1D80...ok
            Writing row 60 @ 0x1E00...ok
            Writing row 61 @ 0x1E80...ok
            Writing row 62 @ 0x1F00...ok
            Writing row 63 @ 0x1F80...ok
            Erasing page 8 @ 0x2000...ok
            Writing row 64 @ 0x2000...ok
            Writing row 65 @ 0x2080...ok
            Writing row 66 @ 0x2100...ok
            Writing row 67 @ 0x2180...ok
            Writing row 68 @ 0x2200...ok
            Writing row 69 @ 0x2280...ok
            Writing row 70 @ 0x2300...ok
            Writing row 71 @ 0x2380...ok
            Erasing page 9 @ 0x2400...ok
            Writing row 72 @ 0x2400...unknown response 0x00
            Write flash failed
      Closing port
      Tx 14,2kB / Rx 87 bytes / 4,7s
      Write failed


 Briefly, I push the "write" button and then connect the gnd and vdd pins to let the program find the bootloader.  How can I solve this "unknown response" problem?