I'm experimenting with bluepill, I have set USART3 to DMA circular mode. I've enabled the HAL_UARTEx_ReceiveToIdle_DMA in the main() and then again in the HAL_UARTEx_RxEventCallback, the half complete receive callback is disabled in both main() and i...

I'm using a STM32F103C8 MCU, in UART2 with DMA, I lose many bytes when I send data to UART using a FTDI with YAT terminal. However when using Termite terminal I lose no data. My guess is, YAT sends data somewhat slower than Termite. If that's the cas...