Deviation for Devo F4?

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18 Mar 2017 10:06 #60321 by mwm
Replied by mwm on topic Deviation for Devo F4?
Since Deviation runs on Linux with an X display, the port isn't completely out of the question. But the timing involved in talking to the RF chips make me think this may run into the same timing issues that keep the RPi from working with some of the smart LEDs.

You might be interested in the last few posts on www.deviationtx.com/forum/7-development/...om-transmitter-board .

Do not ask me questions via PM. Ask in the forums, where I'll answer if I can.

My remotely piloted vehicle ("drone") is a yacht.

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06 Apr 2017 21:02 #61222 by djtrance
Replied by djtrance on topic Deviation for Devo F4?
Hi,
I'm back, and I will rework on the deviation for F7 and F4. but my F7 has more memory (the same like devo10) and I'm trying to build a devoF7_plus folder, but the version 5 is so different. I have the version 4 and I can understand how I can set up my version. :P
the functions will be the same for F7, F4, and F7plus(with more memory) and F4plus. the only different will be the memory and the filesystem.

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07 Apr 2017 04:35 - 07 Apr 2017 04:40 #61228 by vlad_vy
Replied by vlad_vy on topic Deviation for Devo F4?
What flash memory chip do you use? For Devo F12E with SST25VF032B (32 Mbit) it was quite simply task.

By the way, with Nightly Builds "text" GUI (Devo F4, Devo F7 and Devo F12E) now completely ready to use.
Last edit: 07 Apr 2017 04:40 by vlad_vy.

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07 Apr 2017 04:58 #61229 by victzh
Replied by victzh on topic Deviation for Devo F4?
I have built support for many types of SPI flash, it only works for my 4-in-1 module but there is no reason this can't be decoupled and used for flash soldered instead of original. It autodetects the type and uses appropriate parameters.

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07 Apr 2017 07:00 #61230 by SirDomsen
Replied by SirDomsen on topic Deviation for Devo F4?
Glad you guys are back working on this, because I can't. I still can't use my F4 really without issues because of the devo.fs thing. What changes will be required? Soldering addidional SPI flash won't be a problem, also I was thinking about victzh's solution with his 4in1. Which option is the better one?

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07 Apr 2017 14:58 #61238 by djtrance
Replied by djtrance on topic Deviation for Devo F4?
I'm ussing sst25vf032b.

I have some functions for a OSD with telemetry that in the future can be use with ltm telemetry or others.
but first I must build the firmware for my TX.

about the memory can be a good idea to use a memory with the 4/1 module.

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07 Apr 2017 15:12 #61239 by victzh
Replied by victzh on topic Deviation for Devo F4?
I can't make promises about my 4-in-1 timeline - I'm not producing it. I only made a couple to be able to program them, now design files are sent to the guy who produces all these 4-in-1 versions on Taobao and Banggood. He's going to make it but there is still no sample from him.

What we can do is decouple 4-in-1 handling code and SPI flash autodetect - it will allow to use any supported (there are half a dozen popular/cheap ones included) SPI flashes, not only SST25VF025B which is obsolete and becoming hard to find.

Also in the case of F12 we can build universal version which supports all variants - original flash with DevoFS, soldered larger flash with FAT, larger flash on 4-in-1 module - automatically. The only difference would be the installation procedure - do you need to deal with DevoFS or just treat it as regular Devo, but the build will be universal.

Unfortunately for F4/F7 with their smaller MCU flash this code will not fit in it - so there are going to be 2 builds - DevoFS and FAT.

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07 Apr 2017 15:49 - 10 Apr 2017 09:00 #61240 by vlad_vy
Replied by vlad_vy on topic Deviation for Devo F4?
Now I can build Ultimate DevoF7-4MB (devof7-4MB), but I can't test it.

djtrance, can you test if it works?

devof7-4MB based on Nightly Builds:

File deleted...
Last edit: 10 Apr 2017 09:00 by vlad_vy.

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07 Apr 2017 17:51 #61245 by SirDomsen
Replied by SirDomsen on topic Deviation for Devo F4?
So perhaps a MCU replacement would be of some use? Like U7e? Btw, just to clarify the SPI upgrade is sort of plug and play, isn't it? Pinout and physical size is the same? Just replace the 64KB stock PCT25VF512A?

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07 Apr 2017 17:58 #61247 by vlad_vy
Replied by vlad_vy on topic Deviation for Devo F4?
Not the same but close. You can look about flash memory chip replacement at:
www.deviationtx.com/forum/builds/6861-ul...-devof12e-4mb-builds

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07 Apr 2017 19:18 #61249 by SirDomsen
Replied by SirDomsen on topic Deviation for Devo F4?
Interesting, that's what I was looking for. But as Victzh stated, there might be better chips for a replacement - Victzh, what do you recommend? Is there any need of upgrading the F4 MCU? If yes, maybe a STM32F103(RCT/RET)6?

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10 Apr 2017 03:12 #61322 by djtrance
Replied by djtrance on topic Deviation for Devo F4?
It is working on my devo, but there there are some problem with the function that erase the screen.
Can you give me the set up form devo 4MB?
I will fix this function

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10 Apr 2017 04:09 - 12 Apr 2017 04:10 #61323 by vlad_vy
Replied by vlad_vy on topic Deviation for Devo F4?
What is the problem with erase the screen?

devof7-4MB targets (add "devof7-4MB" to main Makefile):

File deleted...
Last edit: 12 Apr 2017 04:10 by vlad_vy.

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10 Apr 2017 09:54 #61333 by djtrance
Replied by djtrance on topic Deviation for Devo F4?
This is the problem
Attachments:

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10 Apr 2017 10:10 - 12 Apr 2017 04:10 #61334 by vlad_vy
Replied by vlad_vy on topic Deviation for Devo F4?
With devof7 emulator I never get something like this.

It looks like code for real devof7 has wrong screen dimensions:

src/target/devof7/lcd.c
// The screen dimensions
#define LCD_SCREEN_LINES    11
#define LCD_SCREEN_CHARS    24

but
src/target/devof7/target_defs.h
#define LCD_WIDTH 24
#define LCD_HEIGHT 12

Can you test build with fixed LCD_SCREEN_LINES?

File deleted...
Last edit: 12 Apr 2017 04:10 by vlad_vy.

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10 Apr 2017 17:08 #61345 by LucaG
Replied by LucaG on topic Deviation for Devo F4?
Hello

I'm new and I apologize for my immature English.

I have a F4, updated with the Nightly Builds of 07/04/17.

I'm going to replace the memory to switch from the current 64K to something more!

Which recommended memory chips?
UPCT25VF512A (512 Kbit); SST25VF032B (32 Mbps) compatible?

After replacing the memory I will need a specific firmware or can I use the current, just copying the files (unpacked from devo.fs) in the USB memory directly?

If I proceed to the replacement, send photos etc.

Thank you and congratulations to the wonderful work you are doing!

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10 Apr 2017 17:20 #61347 by vlad_vy
Replied by vlad_vy on topic Deviation for Devo F4?
If you can find, use SST25VF032B, it supported by current code. You will need the specific firmware, I will support Devo F12E-4MB, DevoF7-4MB and DevoF4-4MB builds at the topic:
www.deviationtx.com/forum/builds/6861-ul...-devof12e-4mb-builds

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10 Apr 2017 17:32 #61349 by LucaG
Replied by LucaG on topic Deviation for Devo F4?

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10 Apr 2017 17:37 #61350 by vlad_vy
Replied by vlad_vy on topic Deviation for Devo F4?
Yes.

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10 Apr 2017 17:44 #61353 by LucaG
Replied by LucaG on topic Deviation for Devo F4?
OK! Buy two of these!

I also want to buy a new one such as the one currently on the I F4!

To have a chance to restore it in case I destroy it!

Can you tell me that chip is? Thank you

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