test.py

[Peter pc2a]

 Hi

I do have a PI4 and the image from https://github.com/softerhardware/Hermes-Lite2/wiki/Performance-Tests.
But isn't working with the PI4.Is there a Pi4 image avalible?
Or where can the test.py program be find?

I do have the IP problem here with my new Hermes-lite2 board D2/D3 flashing D3/D4 solid

73
Peter
PC2A 

[Steve Haynal]

Hi Peter,

Those two LEDs flashing indicate you have either a bad fixed IP set or a APIPA IP was assigned. This is fixable without a Raspberry Pi or gateware update. Have you worked through the network troubleshooting guide?

https://github.com/softerhardware/Hermes-Lite2/wiki/Troubleshoot-Network

Have you tried forcing factory image boot?

https://github.com/softerhardware/Hermes-Lite2/wiki/Updating-Gateware#force-factory-image-boot

Please search this group via the web interface for "fixed IP"

https://groups.google.com/g/hermes-lite

73,

Steve

kf7o

[Peter]

Hi Steve

Yes have read the fixed ip issues but can't repair mine.

A  Force Factory Image Boot makes no different See:
https://cloud.pi4cc.nl/index.php/s/LTUkARbwIfkT0ko
A look with wireshark doen's show any 169.254.x.x. ip on the network

The unit came last Tuesday and its brand new

73 peter
PC2A
Op 17-3-2023 om 15:38 schreef Steve Haynal:
> fixed IP

[Peter]

Hi

To double check I have connect mine Win PC and the HL2 to a swicth with
to cat cables and nothing else is attachted to the switch.
The Win10 PC got IP 169.254.19.101 as IP
The HL2 is flashing with D2 and D3, D4 and D5 are solid.
I see no trace of an IP adres from the HL2

So there is something wrong with in the HL2.
Perhaps I need to load an new image?
Can some one put me in the right direction?

I do not have a PI3, but a PI4 is here on the table.

73 Peter
PC2A

Op 17-3-2023 om 16:29 schreef Peter:

[Steve Haynal]

Hi Peter,

The video you posted is very helpful. The LED D2 is not blinking at the rate (~2Hz) I'd expect when U4 is a KSZ9021RN as expected in the latest build. Instead, it is blinking at the rate (~1Hz) of a KSZ9031RN. For a KSZ9021RN, R34 must be 4.99K. For a KSZ9031RN, R34 must be 12.1K. Please let us know if your U4 is a KSZ9031RN or KSZ9021RN. You should be able to read the markings on the IC at an angle with a magnifying glass and bright light. Also, please let us know what markings are on your R34. 

Please read this thread for details including locations of various components:

https://groups.google.com/g/hermes-lite/c/XcC6s5FkTRc

73,

Steve

kf7o

[Peter]

Hi Steve,

U4 is a KSZ9021RN chip.
R34 is makered as 68B and measured with no power on as 4.24k against ground

73 Peter
PC2A

Op 19-3-2023 om 06:58 schreef Steve Haynal:

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[Steve Haynal]

Hi Peter,

Thanks for the response with pictures. R34 is correct for the KSZ9021RN, although I measure 4.98K on a new board in my lab. The low value is a little concerning but I don't think should cause this consistent of a problem. 

Just to double check that I am not being confused by something like a slow video, when D2 and D3 are blinking, are they both blinking at the same rate of about 1Hz? Or is D2 twice the speed of D3? If the KSZ9021RN is properly detected, then D2 should be blinking at twice the speed of D3. That doesn't seem to be the case in your video.

The newest gateware, which is installed on the new HL2s, uses a serial interface on pins 36 and 37 of U4 to read if U4 is a KSZ9021 or KSZ9031. The result of this read controls the frequency of D2. I'd like to check if this serial interface looks like it is in good shape, and if you unintentionally programmed an older gateware.

Pins 36 and 37 of U4 are on the corner nearest the FB11 marking on the silkscreen. Can you please inspect if these pins look well soldered, if any vias measure near 0 ohms, and if R26, the pullup resistor on pin 37 is well soldered and measures 2.2K. You can find a schematic here at www.hermeslite.com.

Since forcing a factory image boot makes no difference for you, you would have had to overwrite the factory image with an older gateware that doesn't recognize the KSZ9021 which is difficult to do. Did you make any attempt to program the gateware on you HL2 via USB blaster or Raspberry Pi, perhaps trying to install a nonstandard gateware image?

You can try updating the gateware with the Raspberry Pi. The image link and details are here:

https://github.com/softerhardware/Hermes-Lite2/wiki/Raspberry-Pi-Test-and-Program

**Be sure to double click on the Update desktop icon to pull the latest files from github.** If not you will end up programming a version of the gateware that does not recognize the KSZ9021.

73,

Steve

kf7o

[Steve Haynal]

Hi Peter,

I'm bringing this back online as I think an open source project should have open communication for general matters.

If you have never tried to update the gateware, I can't imagine how your factory image became changed. For Raspberry Pi 4, you can build the programmer:

https://github.com/softerhardware/jam-stapl

And then use the latest stable mainjic.jam file from here:

https://github.com/softerhardware/Hermes-Lite2/tree/master/gateware/bitfiles/stable/20210730_73p2/hl2b5up_main

At this point the only remaining concern I have is the low value of R34. Also, have you tried multiple computers? Some can be more sensitive if R34 is off. For example, does connecting directly to the RPi allow you to ping the APIPA address as described in the network trouble shooting guide?

At this point we should discuss returning the unit to Makerfabs or sending to me for repair.

73,

Steve

kf7o

Hi Steve,

First, thanks for your attention on this unit.
I can confirm that the video is on the correct speed and the
 are blinking on/off at 1/2 second speed for both and in sync

I have looked at pin 36 +37 and the looks OK
They measure 0 Ohm to  the nearest via (yellow and orange pointer)
I did checked R26 between to via's and I see 2K2 Ohm

But than you suggestion to check it with a PI there is a problem
I do have only a PI4 here in the shack and the given image do no boot on a PI4.
I tried via USB, but it complains Requires news software to boot and on a SD-card. I got a black screen.

Peter

[Peter]

Hi Steve

Has some spare time today.
First ping the HL2 from a Pi direct connected, but no luck

I compile the software on the PI4. Hooked up the PI with the HL2 and execute the cmd.
But again no luck

We running out of options :-(

Lets discuss how to return the HL2

Peter

Op 21-3-2023 om 05:37 schreef Steve Haynal:

To view this discussion on the web visit https://groups.google.com/d/msgid/hermes-lite/46591ae8-961d-470f-a0ad-73482de724f2n%40googlegroups.com.

[Bobby Bruton]

Steve I just recived my HL2 on 25th of September 2023 worked good until cant connect to it.

I have been thru all the trouble shooting instructions here. to save us both time I just want to send it to you to check out please.

Contact me with your shipping information please.

Thanks Bobby Bruton

[Steve Haynal]

Hi Bobby,

We need to go through the full list of trouble shooting steps you tried before any return is authorized. Please share details of everything you attempted and we can go from there.

73,

Steve

kf7o