About Stratosstratos

Stratosstratos · 2024-12-19

HelloWe are using the Nucleo-f439zi (STM32F439ZITbu microcontroller) https://www.st.com/resource/en/reference_manual/dm00031020-stm32f405-415-stm32f407-417-stm32f427-437-and-stm32f429-439-advanced-arm-based-32-bit-mcus-stmicroelectronics.pdfWe have s...

Stratosstratos · 2024-12-16

Moved from MPUs forum as STM32F4 is an MCU. Hello, Im trying to write the USB code from scratch. I have written the code that enables and initializes the usb OTG and I can confirm that it receives SETUP packets in the RX FIFO. I am receiving the GE...

Stratosstratos · 2024-12-19

I was getting to the HardFault_Handler () due to a pointer misuse .

Stratosstratos · 2024-12-17

I tried using your code from GitHub but I am having difficulties with a specific error, I already have opened an issue if you can check it out.

Stratosstratos · 2024-12-17

I tried not using memcpy and accessing the FIFO only in 32 bits but i get to the HardFault_Handler after trying to write to the FIFO. FYI for some reason reading the FIFO with memcpy ( , ,4) works fine. I tried reading it without memcpy in case it cr...

Stratosstratos · 2024-12-17

Just tried it , does NOT work , with 16 bits even then OUT packet cant be read.

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Nucleo-f439zi, Device Descriptor Request Failed, USB_OTG_FS from scratch

nucleo-f439zi USB from Scratch falling into Hardfault

Re: nucleo-f439zi USB from Scratch

Re: nucleo-f439zi USB from Scratch

Re: nucleo-f439zi USB from Scratch

Re: nucleo-f439zi USB from Scratch