PICkit 3 and Flowcode 6

PICkit 3 and Flowcode 6

It appears the PICKit 3 needs to be ‘down rev’d’ before it will work on Flowcode 6.  I have two PICkit 3’s and I had a different experience for both.  Here is what worked for me.

See Matrix WIKI: “Supporting Third Party Programming Tools, PICkit 3
and “V6 and PICkit 3” in the Matrix Forum

Confirm PICkit 3 is in “MPLAB mode”

Download “PICkit 3 Programmer App and Scripting Tool v3.10” from Microchip.   It seems to be somewhat flakey on Windows 10, it does not want to shut down cleanly.

The image below (Fig 1) is what you WANT to see:

PICkit 3 and Flowcode 6 - PICkit 3 MPLAB Mode

Fig 1 – PICkit 3 MPLAB Mode (good)

If you don’t see MPLAB mode (Fig 1), then go to Tools -> Revert to MPLAB mode (Fig 2)

PICkit 3 and Flowcode 6 - Tools -> Revert to MPLAB mode

Fig 2 – Tools -> Revert to MPLAB mode

Load proper (old) firmware version on PICkit 03

To do this, you will need to download and install MPLAB 8.  MPLAB 8 is still available to download from Microchip in the Microchip Downloads Archive.  Scroll down and get the latest version of MPLAB IDE v8.92.  You will need this to install an older version of PICkit 3 firmware.

  1. Connect the PICkit 3 with a USB cable
  2. Start MPLAB 8
  3. Select Programmer -> Select Programmer -> PICkit 3 (Fig 3)

    PICkit 3 and Flowcode 6 - Select Programmer

    Fig 3 – Select PICkit 3 Programmer

  4. Confirm communication with the PICkit 3.  This (Fig 4) should be automatically provided by MPLAB 8 when you complete step 3, above.
    Figure 4 Notes:
    – The error is only because my PICkit was not connected to my target system
    – In this particular example (Fig 4), the ‘Firmware Suite Version….01.28.90’ is
    the version desired for Flowcode 6
    – The ‘Firmware type’ is a ‘leftover’ from the last project I did in MPLAB 8.

    PICkit 3 and Flowcode 6 - Verify communication with PICkit 3

    Fig 4 – Verify communication with PICkit 3

  5. To check/change firmware versions, go to Programmer -> Settings

    PICkit 3 and Flowcode 6 - Programmer -> Settings

    Fig 5 – Programmer -> Settings

  6. Go to the Status tab to check current version.

    PICkit 3 and Flowcode 6 - Check / confirm PICkit 3 firmware version

    Fig 6 – Check / confirm PICkit 3 firmware version

  7. If a change is needed, go to the Configuration tab and press Manual Download

    PICkit 3 and Flowcode 6 - Manual Upload of Firmware

    Fig 7 – Manual Upload of Firmware

  8. You will be brought to the proper (PICkit 3) directory and there is only one file available for download (Fig 8)

    PICkit 3 and Flowcode 6 - PICkit 3 firmware for download

    Fig 8 – PICkit 3 firmware for download

  9. Output during PICkit 3 firmware update:

    PICkit 3 and Flowcode 6 - Output during PICkit 3 firmware update:

    Fig 9 – Output during PICkit 3 firmware update

  10. Redo step 6 to verify programming “took”

Setting Flowcode 6 to work with the PICkit 3

Start FlowCode 6 and select Build -> Compiler Options (Fig 10)

PICkit 3 and Flowcode 6 - Compiler Options

Fig 10 – Compiler Options

Cut-and-Paste proper strings here (Fig 11) per Matrix Supporting 3rd Party Tools, PICkit 3

PICkit 3 and Flowcode 6 - Update "Location" and "Parameters" per Matrix suggestions for PICkit 3

Fig 11 – Update “Location” and “Parameters” per Matrix suggestions for PICkit 3

You will be prompted for a new Setting name when you press “OK”.

Important notes from Supporting 3rd Party Tools, PICkit 3:

  • Do not have spaces in your Flowcode project name.  Underscores are OK.
  • There are 4 different sets of Location and Parameters based on:
    Powered Externally, 8 bit Powered Externally, 16 bit
    Powered Internally, 8 bit Powered Internally, 16 bit

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