Standalone programmer for MCU

[bsuthar]

Hello Team,

We want to have Standalone Programmer based on ST`s Existing Flash Module Like St-Link V2, V3 Or Mini PCB tools.

I should be able to Use External ST MCU to Command this SWD module for Flashing n all task , like CubeProgrammer.

Basic Interface like Pushbutton to Start the Flash and Some LED to showcase any Error.   

We would not prefer expensive available off-the-Shelf Programmer like Segger..... Not want to use Rpi as well.  

This basically for FAE.

Regards,

[Andrew Neil]

If all you want to do is programming, you could just use the System Bootloader ?

Or a Custom Bootloader ?

[Pavel A.]

> based on ST`s Existing Flash Module Like St-Link V2, V3 Or Mini

These devices indeed contain a STM32 MCU, but the firmware is closed, so you need some host to drive it over USB.  If not RPi, then maybe a phone. The host device will also hold the files for programming.

 

[Andrew Neil]

You could look at how DAPLink does it ...

eg, https://os.mbed.com/handbook/DAPLink

 

[mfgkw]

If you need a ST-Link permanently connected to your circuit you could have a look on STLINK-V3MODS https://www.st.com/en/development-tools/stlink-v3mods.html#overview

[bsuthar]

Hello Friends,

Thanks for Sugegstions , However all Seems from USB Only and Needs USB Host. Like PC / Rpi.

Thinking kind of UART / SPI interface to Programmer ( SWD based Only ).  

I am sure some has Needed / Done some kind of workaround this.

Hoiwever , Found this link : https://github.com/ataradov/embedded-swd

Says Possiblity , that i am thinking About. 

 

 

[Andrew Neil]

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@bsuthar wrote:

all Seems from USB Only and Needs USB Host.

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Not true.

Again, look at DAPLink: that will show you how to have one microcontroller program another.

You take that without the USB part ...

 

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@bsuthar wrote:

Thinking kind of UART / SPI interface to Programmer

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So why not use a UART or SPI bootloader?

PS:

ARM SWD documentation:

https://developer.arm.com/documentation/ihi0031/a/The-Serial-Wire-Debug-Port--SW-DP-/Introduction-to-the-ARM-Serial-Wire-Debug--SWD--protocol

[bsuthar]

 @Andrew Neil ,

 

"So why not use a UART or SPI bootloader?"

if u are talking about system bootloader , In that case I have to exexute BooT0 pin & RST pin High low Seqence mechanisum , Manually. Not directly , plug n Play. Also, System bootloader access not available after RDP1. 

 

For , "Again, look at DAPLink: that will show you how to have one microcontroller program another."

Are you talking about Following Scenario ? Just confirming if we r on same page.

[Andrew Neil]

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@bsuthar wrote:

In that case I have to exexute BooT0 pin & RST pin High low Seqence mechanisum , Manually. Not directly , plug n Play. 

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You could include that in what your "programmer" device does.

Or you can call the System bootloader from your application: How to jump to system bootloader from application code on STM32 microcontrollers

Or you could use a Custom bootloader which doesn't rely on BOOT0 or NRST.

 

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@bsuthar wrote:

Are you talking about Following Scenario ? 

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Not really sure what you're saying there?

My point is that DAPLink includes code to enable one microcontroller to drive the SWD lines to program another microcontroller - so that's the part you need to extract.

 

(You will, of course, also need some way to get the code from your development system into your programmer)

[woutnme]

I think we have the product you need, its a self programer by microSD, you put the HEX/BIN file, by USB (not need remove the SD) you can put more than 1000 files inside.
Accept a lot ST families and ESP families too by UART.
We are mounting the web page the product will be launched this month, are manufacturing the first batch.
We will open a presell this week with a 20% of discount, are 65€+TAX we can send any place of the word, we are talking with RS and Mouser for offering in their market.
You can check the preliminar web on www.northed.es.
 The product manufacturing will be ready at end of this month, i hope you find it useful.
We accept preorders!!
Thanks