USART1 works as expected from firmware loaded via SWD. However the ST bootloader does not work. It never responds to the initial 0x7F with anything. I have scoped tx and rx and cannot see anything wrong and, as stated above, the UART works under the ...
Hi, I plan to use the STM32L082 for a product that must be safely in-field upgraded. I am trying to understand the dual bank feature to see if this could help me. I would like to have the production firmware in Bank 1 via SWD, and the Bank 2 would be...
Hello,I believe I have a rather curious situation. I was able to jump to the device embedded boot-loader (USB) which works nicely. However if button connected to PA0 is pressed (rising edge), the boot-loader reboots to main code. Pin PA0 is previousl...
Hey all! Does anyone know the cheapest option for a STM32 chip that can simultaneously do USB as a Host and as a Device? I tried using the product selector but the issue is that it didn't list price as a filter option, so I thought I would ask here.I...
Dear,I have an issue working with STM32L4 USB CDC Device. So I have two separate projects of this. I configure USB CDC Device on the first prooject (COM6), and everything works fine. I then work on another project with a different configure on USB CD...
I’m creating a custom USB HS DFU bootloader for my STM32F429 project, using arm-none-eabi-gcc together with the CLion IDE. I’m having trouble jumping to the application code from the bootloader.The CLion project consists of a bootloader target and a ...
I tried all possible solutions but still not working...need some enlightenment :)I am using STM32F070F6P6 china made breakout board and has no on-board USB circuit so I made it on breadboard. please see attached circuitI am using default STM32CubeID...
Hi,I'm using serial communication with DMA and sometimes the transmission complete interrupt is not triggered (HAL_UART_TxCpltCallback) the issue happens every few minutes, or every several hundred transmissions. I saw https://community.st.com/s/ques...
