Multiple USART using DMA and USB
Hello! I'm using a STM32F407VET6 to receive data from USART1 and USART2 with DMA and send it by USB, but I can only receive and send data from USART1.This is my callback functionvoid HAL_UARTEx_RxEventCallback(UART_HandleTypeDef *huart, uint16_t Size...