Is there a DFU C library for arduino nano ?

Using Arduino Programming Questions
1

Hi guys,

I'm using the arduino nano atmega 328 for a project. This device is piloted with a stm32 mcu through UART. I would need to be able to update the arduino firmware i developped from the mcu.

So my question is, is there a C library that I can use to put the arduino in bootloader mode and update the firmware using uart ?
Actually i'm using platform io on vs code to update the arduino. I hope there is some library running behind that we could use ?

Thanks !

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it is used here

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Isn't this the code making the update from the arduino side ? I would need the code for my mcu side which switch the arduino into bootloader and then sends the fw to it.

4

it is the esp8266 flashing over Serial an Uno with uploaded hex.
'avrdude' for MCU

5

I will take a SWAG and say: Check out the OTA (Over The Air) for programming the chip. You will need to hold both programs in memory or at least the loader and the new code.

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