logo
Welcome, Guest. Please Login or Register.
23. June 2024, 02:12:29


Home Help Search Login RegisterWIKIUHSDR Download

Amateurfunk Sulingen
Diskussions- und Newsboard des DARC-Ortsverbandes I40  |  allgemeine Kategorie  |  OVI40 SDR Projekt (English AND German discussions around OVI40 SDR project) (Moderators: DF8OE, DL1PQ)  |  Topic: Dead OVI40 <- zurück vorwärts ->
Pages: [1] 2 Go Down Print
   Author  Topic: Dead OVI40  (Read 3370 times)
WD8BXS
alter Hase
****

Offline

Posts: 286





View Profile
Dead OVI40
« on: 23. January 2021, 08:19:32 »

I have a friends board on the bench, he accidently touched something .

Now when you press power the screen just goes white and nothing else happens.

When you release power it goes off.
I tried reloading boot loader but nothing happens but screen white.

Do you think the MCU is blown??

TNX vy 73,
Chuck
Logged

Thanks,
De WD8BXS vy 73
DF8OE
Administrator
*****

Offline

Posts: 6265



Stellvertr. OVV I40, Jugend / Nachwuchsreferent

View Profile WWW
Re:Dead OVI40
« Reply #1 on: 23. January 2021, 08:35:55 »

Hard to say without having access to the device...

But it may be that only the option bytes are scrambled (e.g. reset vectors).

You can check this with STLink and the software tool for it. If you can access STM with STLink the chances are good that this is the issue. Then take a look at the option bytes and compare them to the default. If they are wrong, step through this:

For all steps use STLink.
1) mass erase STM
2) enter option bytes setting
3) set all values to the defaults
4) flash bootloader
5) flash firmware

vy 73
Andreas
Logged

Wenn der Wind des Wandels weht, nageln die einen Fenster und Türen zu und verbarrikadieren sich. Die anderen gehen nach draußen und bauen Windmühlen...
qrz.com-Seite von DF8OE
-----------------------------------------------------
>>>> Die Inhalte meiner Beiträge dürfen ohne meine explizite Erlaubnis in jedwedem Medium weiterverbreitet werden! <<<<
WD8BXS
alter Hase
****

Offline

Posts: 286





View Profile
Re:Dead OVI40
« Reply #2 on: 23. January 2021, 19:01:15 »

Hello Andreas,
Oh wow, it has been a while since I have used the STlink.
I hope I can remember what I did, hihi

I will give it a try.

Tnx Chuck WD8BXS
Logged

Thanks,
De WD8BXS vy 73
WD8BXS
alter Hase
****

Offline

Posts: 286





View Profile
Re:Dead OVI40
« Reply #3 on: 24. January 2021, 00:41:42 »

OK, i am lost, hihi

Here is what I see.

I do not know how to set all values to defaults

Can you help ?

Chuck
 stlink1.jpg
« Last Edit: 24. January 2021, 00:41:58 by WD8BXS »
Logged

Thanks,
De WD8BXS vy 73

DF8OE
Administrator
*****

Offline

Posts: 6265



Stellvertr. OVV I40, Jugend / Nachwuchsreferent

View Profile WWW
Re:Dead OVI40
« Reply #4 on: 24. January 2021, 07:46:31 »

Please follow exactly these steps:
Quote:
For all steps use STLink.
1) mass erase STM
2) enter option bytes setting
3) set all values to the defaults
4) flash bootloader
5) flash firmware
If you do not know default settings please take a look at this thread started by you some time ago

vy 73
Andreas
Logged

Wenn der Wind des Wandels weht, nageln die einen Fenster und Türen zu und verbarrikadieren sich. Die anderen gehen nach draußen und bauen Windmühlen...
qrz.com-Seite von DF8OE
-----------------------------------------------------
>>>> Die Inhalte meiner Beiträge dürfen ohne meine explizite Erlaubnis in jedwedem Medium weiterverbreitet werden! <<<<
SP3OSJ
Guest

E-Mail
Re:Dead OVI40
« Reply #5 on: 24. January 2021, 13:05:18 »

Hi

Target/Automatic Mode/Start

Upload the new software again.

73
Artur
Logged
WD8BXS
alter Hase
****

Offline

Posts: 286





View Profile
Re:Dead OVI40
« Reply #6 on: 24. January 2021, 20:21:42 »

AH, Making progress.

I was looking for that thread, but could not find it.

How do I know which firmware to use H7 or F7??

Thanks,
Chuck
« Last Edit: 24. January 2021, 20:28:39 by WD8BXS » Logged

Thanks,
De WD8BXS vy 73
WD8BXS
alter Hase
****

Offline

Posts: 286





View Profile
Re:Dead OVI40
« Reply #7 on: 24. January 2021, 21:19:32 »

I loaded F7 and all seems well.

Thanks again for all of your help!

de Chuck vy 73's
Logged

Thanks,
De WD8BXS vy 73
WD8BXS
alter Hase
****

Offline

Posts: 286





View Profile
Re:Dead OVI40
« Reply #8 on: 01. February 2021, 15:50:40 »

Where can I get the information for mating the OVI40 to the Mchf RF board??

Thanks,
Chuck
Logged

Thanks,
De WD8BXS vy 73
WD8BXS
alter Hase
****

Offline

Posts: 286





View Profile
Re:Dead OVI40
« Reply #9 on: 01. February 2021, 16:09:50 »

Are there any special jumpers needed??
Logged

Thanks,
De WD8BXS vy 73
DF8OE
Administrator
*****

Offline

Posts: 6265



Stellvertr. OVV I40, Jugend / Nachwuchsreferent

View Profile WWW
Re:Dead OVI40
« Reply #10 on: 01. February 2021, 17:55:04 »

No. Just connect via the 30p header wihich is placed compatible to mcHF RF Board. But you need additional 12V for audio amplifier power supply connected.

vy 73
Andreas
Logged

Wenn der Wind des Wandels weht, nageln die einen Fenster und Türen zu und verbarrikadieren sich. Die anderen gehen nach draußen und bauen Windmühlen...
qrz.com-Seite von DF8OE
-----------------------------------------------------
>>>> Die Inhalte meiner Beiträge dürfen ohne meine explizite Erlaubnis in jedwedem Medium weiterverbreitet werden! <<<<
WD8BXS
alter Hase
****

Offline

Posts: 286





View Profile
Re:Dead OVI40
« Reply #11 on: 01. February 2021, 19:51:07 »

Is that the P1 ? Do you have a suggestion as to where to tap into the 12volts

TNX,
Chuck
Logged

Thanks,
De WD8BXS vy 73
DF8OE
Administrator
*****

Offline

Posts: 6265



Stellvertr. OVV I40, Jugend / Nachwuchsreferent

View Profile WWW
Re:Dead OVI40
« Reply #12 on: 01. February 2021, 20:16:37 »

Yes it is P1.

I have connected it to the drains of the MOSFET of the modification RF-04/05-N-010. If you do not have this modification: you already have a silent current at swiched off device. So simply connect it to 12V directly - silent current will increase a bit...

vy 73
Andreas
Logged

Wenn der Wind des Wandels weht, nageln die einen Fenster und Türen zu und verbarrikadieren sich. Die anderen gehen nach draußen und bauen Windmühlen...
qrz.com-Seite von DF8OE
-----------------------------------------------------
>>>> Die Inhalte meiner Beiträge dürfen ohne meine explizite Erlaubnis in jedwedem Medium weiterverbreitet werden! <<<<
WD8BXS
alter Hase
****

Offline

Posts: 286





View Profile
Re:Dead OVI40
« Reply #13 on: 01. February 2021, 21:07:31 »

Thank you!
Logged

Thanks,
De WD8BXS vy 73
wa2ohf
Neuling
*

Offline

Posts: 5



I'm a llama!

View Profile E-Mail
Re:Dead OVI40
« Reply #14 on: 02. February 2021, 18:04:55 »

anyone have the file used to 3D print a case for the OVI40 with the mcHF board ?
can I run mcHF load of software in order to get the same display they have with the cw demod line of text?
Thanks Art
Logged
Pages: [1] 2 Go Up Print 
Diskussions- und Newsboard des DARC-Ortsverbandes I40  |  allgemeine Kategorie  |  OVI40 SDR Projekt (English AND German discussions around OVI40 SDR project) (Moderators: DF8OE, DL1PQ)  |  Topic: Dead OVI40 <- zurück vorwärts ->
Jump to: 


Login with username, password and session length

 Es wird die Verwendung von Browsern die auf der "Blink"-Engine basieren und mindestens
1024x768 Pixel Bildschirmauflösung für die beste Darstellung empfohlen
 
Amateurfunk Die Beiträge sind, sofern nicht anders vermerkt, unter der folgenden Lizenz veröffentlicht:
GNU Free Documentation License 1.3 GNU Free Documentation License 1.3
verbindet!
Powered by MySQL Powered by PHP Diskussions- und Newsboard des DARC-Ortsverbandes I40 | Powered by YaBB SE
© 2001-2004, YaBB SE Dev Team. All Rights Reserved.
- modified by Andreas Richter (DF8OE)
Impressum & Disclaimer
Valid XHTML 1.0! Valid CSS!