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Diskussions- und Newsboard des DARC-Ortsverbandes I40  |  allgemeine Kategorie  |  mcHF Projekt Deutsch / English (here you can discuss everything related to mcHF) (Moderatoren: DF8OE, DL1PQ)  |  Thema: UHSDR and rev. 0.7 <- zurück vorwärts ->
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   Autor  Thema: UHSDR and rev. 0.7  (Gelesen 730 mal)
S58J
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UHSDR and rev. 0.7
« am: 15. Januar 2018, 18:59:38 »

Hi

Yesterday I assembled the mcHF rev 0.7 Logic board with the minimum components as described in Chris' USB Blank Programming Manual. Beside the minimum components (U204, U205, U206, a couple of resistors and capacitors) I also soldered AT24CM02 (actually  ATMLH7102H) and C299 capacitor next to it (yes, PIN 3 is grounded).

Then I followed Chris' manual by uploading bootloader using DfuSE and described procedure (P206 shorted, P2a pin 2 grounded,...). Instead of Chris' bootloader I installed UHSDR bootloader (latest, 3.4.5). This part went OK.

Then I closed the DfuSE, unplugged the USB, removed P206, put pin 1 of P2a to the ground .... all as suggested by Chris in step 2 to install the firmware as well. Now computer doesn't "see" the rev 0.7 logic board anymore.

If I connect back for the bootloader upgrade (P206 shorted, pin 2 on P2a, ...) everything runs normally (my laptop recognizes the board, but the DfuSe programe does not see the previously installed bootloader - maybe this is normal).

My intention is to use UHSDR in the mcHF rev. 0.7, both bootloader and firmware. Questions:

- Is it possible to install UHSDR firmware at this stage at all (with minimum components on logic board)?

- If yes, should I use DfuSE to install firmware as well? How? Should I connect P206 and P2a the same way as for bootloader and follow the same procedure but this time adding firmware file?

- Is it normal I don't see the previously loaded bootloader in the DfuSE programme?

Looking forward towards your reply. Kind regards

Janez, S58J

P.S.
It is my first time in this forum. Can someone please tell me how to switch-off automatic changes (translations) of the text I enter? I fighting with a translations which are wrong.
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Re:UHSDR and rev. 0.7
« Antwort #1 am: 15. Januar 2018, 19:06:17 »

UHSDR bootloader has two modes - one for updating via USB key and one for updating using dfu.

For information how it can be used please look here.

There is no "automatic translation" here. But you can activate an translation via pulldown which is located under your welcome greeting
right top.

vy 73
Andreas
« Letzte Änderung: 15. Januar 2018, 19:08:16 von DF8OE » Moderator benachrichtigen   Gespeichert

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S58J
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Re:UHSDR and rev. 0.7
« Antwort #2 am: 15. Januar 2018, 20:52:58 »

Hi Andreas

Thanks for the quick reply. I am still using DFU and again my Logic Board has only a few components on it. Bootloader is already installed. Just the firmware part puzzles me.

Why I am puzzled? Because Chris also uses DFU for bootloader but then removes one jumper and realign another plus you need to use new software - mcHF Manager for FW. I know there is difference between Chris' bootloader and UHSDR, as well as when it comes to FW.

Back to DFU: If I want to install FW via DFU is it OK to KEEP THE JUMPERS AS THEY WERE FOR BOOTLOADER (P206 jumper shorted and Pin 2 of P2a connected to the ground)? Then I follow the same software procedure as described in the link you provided to me for bootloader?

Basically with DFU I can install one file after another (bootloader being first) and no other change is needed on the Logic PCB in terms of jumpers between the two installs. Am I right?

73,

Janez, S58J

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Re:UHSDR and rev. 0.7
« Antwort #3 am: 16. Januar 2018, 09:25:24 »

In short:

UHSDR bootloader does NOT SUPPORT MCHF-MANAGER.

You can apply firmware in two different ways:

1) Attach USB stick containing firmware "fw-mchf.bin". Press&hold BAND- and switch on mcHF. Now you are in USB-Stick-Mode. Hold BAND- as long as updating begins. If you release to early you don't update - you only make a backup of firmware on stick.

2) DFU-Mode. Press&hold BAND+ and switch on mcHF holding Power-Button pressed (!!!) Now you do enter dfu-Mode (as you can see on screen). Now you can release BAND+ - but *NOT* Power!!! You must have pressed power during the whole process! You can enter dfu-Mode without shorting jumper only by using the button combination. While continuosly holding power button you can attach PC via USB cable to small (!!) USB plug and do updates of bootloader / firmware using dfu tool.

Once installed UHSDR bootloader using "the jumper method" you never must open your mcHF and touch this jumper again!

All this is already described in GitHub Wiki...

Please notice:
- Chris is using old firmware when he ships mcHF
- Chris does not use UHSDR bootloader, he stays on his closed-source bootloader which only works with mchf-manager and cannot recognize USB sticks.


vy 73
Andreas
« Letzte Änderung: 16. Januar 2018, 09:27:18 von DF8OE » Moderator benachrichtigen   Gespeichert

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! <<<<
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Diskussions- und Newsboard des DARC-Ortsverbandes I40  |  allgemeine Kategorie  |  mcHF Projekt Deutsch / English (here you can discuss everything related to mcHF) (Moderatoren: DF8OE, DL1PQ)  |  Thema: UHSDR and rev. 0.7 <- zurück vorwärts ->
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