HAL_UART_RxCpltCallback not being called for USART1 and USART1_IRQHandler has no data
Hello, I have an STM32L476G Evaluation board, and I'm trying to use USART1 to generate an interrupt on receiving characters. On the evaluation board, this is connected to the RS232 port, which I have a module, I transmit data to get a response back. ...