What price this? /stm32/f407vet6

Limited support for STM32F4 Discovery, Nucleo and custom F4 boards
edogaldo
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Re: What price this? /stm32/f407vet6

Postby edogaldo » Mon Oct 24, 2016 2:39 pm

zmemw16 wrote:only 407 sch in my pinouts (1.7G) directory is attached 111k'ish
its marked up with

Code: Select all

 STM32F407VET6(F103VET6/F103VCT6)
STM32F103VE(VC)T6 STM32F407VET6

found another with zet in the name!

They are already in the wiki ;)

zmemw16
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Re: What price this? /stm32/f407vet6

Postby zmemw16 » Mon Oct 24, 2016 8:20 pm

i forgot both about the wiki and my uploading some details etc :oops:
stephen

Ollie
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Re: What price this? /stm32/f407vet6

Postby Ollie » Fri Nov 11, 2016 5:20 pm

Now the price of F407vet6 development board is under $10. I did order one today (on eleven-eleven day :D ) at
https://www.aliexpress.com/item/STM32F407VET6-STM32F407-STM32-ARM-Development-Core-Board-STM32F4/32600412486.html

michael_l
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Re: What price this? /stm32/f407vet6

Postby michael_l » Fri Nov 11, 2016 6:14 pm

Ollie wrote:Now the price of F407vet6 development board is under $10. I did order one today (on eleven-eleven day :D ) at
https://www.aliexpress.com/item/STM32F407VET6-STM32F407-STM32-ARM-Development-Core-Board-STM32F4/32600412486.html


Very affordable! I wonder how well F407VET6 is support by current stm32duino libs. What works and what not ? I'm Currently using F103 BP and it works very well.

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RogerClark
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Re: What price this? /stm32/f407vet6

Postby RogerClark » Fri Nov 11, 2016 7:43 pm

limited support for F4 at the moment, but the situation should improve a lot when STM finish their F4 core

zmemw16
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Re: What price this? /stm32/f407vet6

Postby zmemw16 » Mon Nov 14, 2016 3:43 pm

added these links to the wiki?
http://www.dragonwake.com/download/download-stm32/stm32f407/STM32F407_example_manual.pdf
http://www.dragonwake.com/download/download-stm32/stm32f407/STM32F407ZET6_sch.pdf

<edit>
found the code file (99.6M) and added it to the wiki entry :D
http://www.dragonwake.com/download/download-stm32/stm32f407/code.zip
</edit>
mine is [actually are] this exact board.

site doesn't have the 407vet from the same maker judging from the layout/silk screen etc
board size is reduced, still has jtag/nrf/sdio/flash/tft hdr etc
tft hdr pins aren't labeled for either board

stephen

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RogerClark
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Re: What price this? /stm32/f407vet6

Postby RogerClark » Fri Nov 25, 2016 12:24 am

My F407VET board arrived today, but one thing that is dissapointing is that the USB connector doesn't seem to be connected in a way that allows upload via USB

https://www.aliexpress.com/item/STM32F4 ... 0.0.WiBuo9

I've not had time to check where the USB data pins are connected to, but I tried moving what I presume are the Boot0 and Boot1 switches and the board does not enumerate on USB.

There do appear to be tracks running to the data pins, but perhaps they go to the OTG USB not the one that provides DFU

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RogerClark
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Re: What price this? /stm32/f407vet6

Postby RogerClark » Fri Nov 25, 2016 5:13 am

Vendor sent me the schematic, but its too large to upload to the forum.

The Vendors link to their google drive for the file is

https://docs.google.com/uc?id=0Bw-L6X55 ... t=download

It seems to have code in the zip as well as the cicuit, but does not contain any dodgy copies of dev environments etc

Edit.

It still doesnt explain why the F407 USB DFU bootloader is not showing up, apart from the PNP transistor attached to USB D+ and PD6.

I suppose if PD6 was low, the USB would be reset and not enumerate, perhaps I need to pull PD6 high, so that USB D+ is definitely not being pulled high

Update.

I tried the USB DFU again, and it eventually appeared as a USB device, though not for ages.

But there don't seem to be any official STM drivers for their DFU (well if there are, they don't make it easy to find them)
So I modified the libwdi installer script for the stm32duino bootloader driver , but just changing the VID and PID values

"%~dp0wdi-simple" --vid 0x0483 --pid 0xDF11 --type 1 --name "STM32 DFU" --dest "%~dp0maple-dfu"

and it seems to work, and dfu-util gets valid data back from the board.

But thats as far as I've got!

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ahull
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Re: What price this? /stm32/f407vet6

Postby ahull » Fri Nov 25, 2016 9:13 am

- Andy Hull -

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RogerClark
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Re: What price this? /stm32/f407vet6

Postby RogerClark » Fri Nov 25, 2016 9:36 am

Yep

Plenty to choose from.


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