Posted on August 10, 2017 at 03:50
Hi!
On both STM32F405 and STM32F745:
We use circular mode DMA RX. It works fine until the first frame or hight noise error occurs (which rarely but happen).
After the error DMA stops working. Naive cal...
Posted on July 28, 2015 at 00:53
Hi!
I confirm the issue. If I set UART DMA in Normal mode without interrupts,
HAL_UART_Transmit_DMA always returns HAL_BUSY after the first use.
Another way to solve this is to enable USART global...
