About 4lch

4lch · 2024-11-29

Hi and thanks in advance !My application uses a STM32G0B0 to control an LED driver through PWM among other things (pin (26)-PB14).The device can receive commands and I have added an option to jump to bootloader through a special command to perform fi...

4lch · 2024-05-27

Hi !An application I am working on has a PC connecting to an ethernet device (currently through Ethernet) and a STM32 (STM32G0B0CET6) through USB.I am looking to only have one connection to the PC through USB, hence I am looking to have the incoming ...

4lch · 2024-11-30

Thanks a lot, this is not an option I had in mind ! I will look into that. I only need to setup USB DFU for firmware updates during the bootloader so hopefully it should not be too bad !

4lch · 2024-11-30

Thanks a lot ! This is leading to an interesting rabbit hole as someone who's still very much a beginner :)The custom bootloader option seems great indeed. If I understand it correctly, the actual bootloader lives in ROM, so a custom one would be in ...

4lch · 2024-11-30

Thanks a lot, this is very useful as someone still figuring out a lot of things ! This is a great point about the UCPD peripheral, the application does not use it, only the USB data lines and the CC lines being pulled down would not be an issue indee...

4lch · 2024-11-29

Thanks a lot for pointing me to this document !Indeed it mentions that the pin is used as SPI2 MISO in push-pull, pull-down mode, but set to 3.3V "on the bootloader start-up after SPI initialization as soon as the bit DMATx enable on SPI CR2 register...

4lch · 2024-05-27

Thanks a lot ! I was probably wondering too much for too little then :) Thanks again and have a nice day

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