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TL:DR I upgraded my NanoVNA-H to DiSlord 1.1.01 and now Marker min is max and max is min. Is this a known bug or did I mess up the upgrade?

The details I know you'll want:
I'm running Windows 10 on a HP EliteBook. I tried every possible set of instructions to upgrade with DfuSeDemo, but was never able to see the NanoVNA in DFU mode. I mean, every possible variation. I've installed and uninstalled DfuSeDemo and various versions of the driver so many times in so many ways I could do it in my sleep. I would have asked for help except I suspect you lot are sick and tired of newbies asking for help updating firmware. But here I am...

Finally I noticed a comment that STM32CubeProgrammer has worked for Linux and found a PDF from Tim Dawson (/g/nanovna-users/message/28607) on how to do it and decided to give it a try on the theory that if the Linux version worked there's no reason why the Win10 version shouldn't work. I was able to find a .bin file from Huygen () and loaded it following the instructions with no issues. I should probably mention that I used the NanoVNA-H-SI version, not the NanoVNA-H-MS version. My NanoVNA is a few years old and reading creatively between the lines it seemed like MS might be some newer technology, so SI seemed the safer route. No errors - I compared the file with the image, perfect match.

When I started the NanoVNA everything seemed to be working as expected, with a few menu changes and wording modifications, but nothing I couldn't figure out. Then I connected my antenna to run it through it's paces and I noticed that when I select my SWR marker and select Marker -> Minimum it work immediately move the marker to maximum SWR, and v.v.

So, the question is - is this a known bug or something I messed up in the upgrade, or an advanced setting of some sort that I can change?

Jeff -

I'm glad that my doc was useful to you! Please be aware, though, that
there is no "Linux" or "Windows" version of the firmware. The dfu is simply
an encapsulation of the same image that is in a .nin (or .hex) for that
matter. The different tools just jse the different packages - IE Cube on
Linux or Windows will want the .bin, and the various dfu based tools will
want a dfu, again, on either platform.

I'm not sure how many revisions you jumped, but the one thing that can
bite you is an incompatible config file. Try resetting the NanoVNA to
defaults and reconfigure, if you have not do e so already.

Oh, and can't say that I have seen that bug, but I have not used my unit
much since that upgrade either - others likely know more on the topic.

- Ti

On August 21, 2022 3:03:29 PM CDT, Jeff Peacock <km6nqx@...> wrote:

TL:DR I upgraded my NanoVNA-H to DiSlord 1.1.01 and now Marker min is max

and max is min. Is this a known bug or did I mess up the upgrade?

The details I know you'll want:
I'm running Windows 10 on a HP EliteBook. I tried every possible set of

instructions to upgrade with DfuSeDemo, but was never able to see the
NanoVNA in DFU mode. I mean, every possible variation. I've installed and
uninstalled DfuSeDemo and various versions of the driver so many times in
so many ways I could do it in my sleep. I would have asked for help except
I suspect you lot are sick and tired of newbies asking for help updating
firmware. But here I am...

Finally I noticed a comment that STM32CubeProgrammer has worked for Linux

and found a PDF from Tim Dawson (
/g/nanovna-users/message/28607) on how to do it and
decided to give it a try on the theory that if the Linux version worked
there's no reason why the Win10 version shouldn't work. I was able to find
a .bin file from Huygen ()
and loaded it following the instructions with no issues. I should probably
mention that I used the NanoVNA-H-SI version, not the NanoVNA-H-MS version.
My NanoVNA is a few years old and reading creatively between the lines it
seemed like MS might be some newer technology, so SI seemed the safer
route. No errors - I compared the file with the image, perfect match.

When I started the NanoVNA everything seemed to be working as expected,

with a few menu changes and wording modifications, but nothing I couldn't
figure out. Then I connected my antenna to run it through it's paces and I
noticed that when I select my SWR marker and select Marker -> Minimum it
work immediately move the marker to maximum SWR, and v.v.

So, the question is - is this a known bug or something I messed up in the

upgrade, or an advanced setting of some sort that I can change?

--
Sent from my Android device with K-9 Mail. Please excuse my brevity.

On Aug 22, 2022, at 15:16, DiSlord <dislordlive@...> wrote:

You can download it from here

On Aug 22, 2022, at 16:53, Roger Need via groups.io <sailtamarack@...> wrote:

Cliff,

I suggest you use NanoVNA app as your PC program. It is easy to use for firmware updates and has never failed me yet. It also does all the things that NanoSaver does and in my opinion is better.
Owen Duffy did some nice bug fixes on the original code by OneOfEleven. You can get it at the link below.



Once installed you do the following easy steps:
1. Put your device in DFU mode
2. Start NanoVNA app
3. Push multiple up arrow button (do not use connect - it is for regular connect not DFU)
4. Select the location of your dfu file and select file
5. Program does the upload and says to power off device when finished.

Roger





<Easy FW update.png>

Cliff,

I suggest you use NanoVNA app as your PC program. It is easy to use for firmware updates and has never failed me yet. It also does all the things that NanoSaver does and in my opinion is better.
Owen Duffy did some nice bug fixes on the original code by OneOfEleven. You can get it at the link below.



Once installed you do the following easy steps:
1. Put your device in DFU mode
2. Start NanoVNA app
3. Push multiple up arrow button (do not use connect - it is for regular connect not DFU)
4. Select the location of your dfu file and select file
5. Program does the upload and says to power off device when finished.

Roger

I was able to use STDFU File Manager to extract the .bin file from the 1.2.0 .dfu and then load it with STM32CubeProgrammer, which seems to have worked fine. I've been playing around with it a bit, and I think I've realized that I had a fundamental misunderstanding of the search function. I've been thinking that Search Minimum was an action, but I realize now that it's a setting/target to be used in conjunction with Search Left or Search Right (i.e. for the next minimum). Which makes DiSlord's comment above (#29375) make a lot more sense to me in retrospect. Words are slippery things.

Anyway, all is well and I really appreciate the comments and pointers.

On Tue, Aug 23, 2022 at 06:41 AM, Tim Dawson wrote:

It's about the only component missing on tbe Linux side for coders that only
output .dfu

For FW upgrade on a Linux system you can use "dfu-util" that is available e.g. for Debian:

$ apt show dfu-util
Package: dfu-util
Version: 0.9-1+b1
Priority: optional
Section: electronics
Source: dfu-util (0.9-1)
Maintainer: Uwe Hermann <uwe@...>
...
DFU is intended to download and upload firmware to devices connected over
USB. It ranges from small devices like micro-controller boards up to mobile
phones. With dfu-util you are able to download firmware to your device or
upload firmware from it.

Just do "apt install dfu-util"

The program can flash *.bin as well as *.dfu binaries:

dfu-util -a 0 -D NanoVNA.H.v1.2.00.dfu

To build the FW on your own from the github clone (you need also "apt install gcc-arm-none-eabi") just type "make" and "make flash", this calls:

dfu-util -d 0483:df11 -a 0 -s 0x08000000:leave -D build/ch.bin

HTH, Martin

On Aug 23, 2022, at 13:26, Roger Need via groups.io <sailtamarack@...> wrote:

On Mon, Aug 22, 2022 at 03:04 PM, Cliff wrote:

Thank you for your suggestion Roger, but I don't think you understand what I
am looking for. I'm looking for the .bin version of the firmware 1.2 update
file. I'm on Mac and use the STM Cube Programmer to update my NanoVNA H4. The
NanoVNA-App appears to be a Windows program.

Cliff,

You can covert a dfu file to bin using the DFU File Manager that comes with DfuSe demo but unfortunately that only installs on Windows. I did the conversion for you of DiSlords version 1.2 dfu file that I found at the link below.


I hope the attached bin file works for you. Please post after you have tried it.

Roger







<NanoVNA.H4.v1.2.00.bin>

On Aug 23, 2022, at 13:26, Roger Need via groups.io <sailtamarack@...> wrote:

On Mon, Aug 22, 2022 at 03:04 PM, Cliff wrote:

Thank you for your suggestion Roger, but I don't think you understand what I
am looking for. I'm looking for the .bin version of the firmware 1.2 update
file. I'm on Mac and use the STM Cube Programmer to update my NanoVNA H4. The
NanoVNA-App appears to be a Windows program.

Cliff,

You can covert a dfu file to bin using the DFU File Manager that comes with DfuSe demo but unfortunately that only installs on Windows. I did the conversion for you of DiSlords version 1.2 dfu file that I found at the link below.


I hope the attached bin file works for you. Please post after you have tried it.

Roger







<NanoVNA.H4.v1.2.00.bin>

On Tue, Aug 23, 2022 at 08:58 AM, Ho-Ro wrote:

To build the FW ... just type "make" and "make flash",

Default is -H, for -H4 the command is

TARGET=F303 make && make flash

On Aug 23, 2022, at 19:15, Tim Dawson <tadawson@...> wrote:

FYI, the python based tool at appears to pull perfect binary images out of the NanoVNA .dfu files found on Huygen's site (checksums the same as his .bin files).

The best news is that it is tiny, and being Python based, should work on any platform - Mac, Win, *nix - and allows the use of the ST Micro recommended Cube programmer tool

FWIW . . .

- Tim


On 08/23/2022 02:37 AM, Ho-Ro wrote:

On Tue, Aug 23, 2022 at 08:58 AM, Ho-Ro wrote:

To build the FW ... just type "make" and "make flash",

Default is -H, for -H4 the command is

TARGET=F303 make && make flash

--
Tim Dawson

972-567-9360