Benchmark for LCD.

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25. April 2024, 00:08:17

Diskussions- und Newsboard des DARC-Ortsverbandes I40 | allgemeine Kategorie | UHSDR Firmware (Moderators: DF8OE, DL1PQ) | Topic: Benchmark for LCD.

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Topic: Benchmark for LCD. (Read 4977 times)

RV9YW
Neuling

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Posts: 15

Re:Benchmark for LCD.
« Reply #30 on: 23. December 2018, 22:34:22 »

Thank you all. I'm slowly doing changes in manner as I think it should be... Do not know how better to represent such this big change, maybe to put it in different branch for a while? I'm sure some of displayse will stop work, and I will need some time and your help to fix it all...

and I got Kit today, nice presence before X'mas. Marry X'mas

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DF8OE
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Posts: 6268

Stellvertr. OVV I40, Jugend / Nachwuchsreferent

Re:Benchmark for LCD.
« Reply #31 on: 24. December 2018, 09:11:31 »

Hi Max,

the best way is you open a new local branch for your work. You do all tests and changes there and you rebase continuously to our active-devel. So you do not loose merge capability. I will think about I fetch this brach and provide it at our "official" GitHub or not - it is not mandatory. If you want we can test your work without having it on our official GitHub.

Regarding "3.5" LCD":
You can find schematics in this thread.

Important information:
There is a hardware error in ILI9486 SPI controller. Data output line stays active even when ILI is in parallel mode. That impavts working of touchscreen controller because its output cannot work "alone" on bus. We never tested if this behaviour remains in ILI SPI mode. If so we would need an additional logic to switch SDO correspondent to state. At your LCD PCB SDO line of ILI is cut and wiring is set to "parallel" (small IC is replaced by a direct connection). Because there is absolutely no need for SPI use at OVI40 this is final state. Of course some mcHF (with RTC mod) may need SPI LCD - but it is not our main goal and struggle to support this on mcHF...

vy73
Andreas

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RV9YW
Neuling

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Posts: 15

Re:Benchmark for LCD.
« Reply #32 on: 26. December 2018, 02:08:52 »

Have put everything together, did not turn on yet, will do tomorrow... Looks nice!

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DF8OE
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Posts: 6268

Stellvertr. OVV I40, Jugend / Nachwuchsreferent

Re:Benchmark for LCD.
« Reply #33 on: 26. December 2018, 09:19:49 »

Hi Maks,

you can start it using only 5V on Header pin 28. If everything is working you should be able to access MCU via STLink and debug header and/or DFU via USB (with jumper P6 set).

vy 73 and good luck
Andreas

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qrz.com-Seite von DF8OE

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