HiI askWhat is the best mode for the uart in RTOS to send at command and receive it?I think polling is inappropriate because it adopts systick

We welcome everyoneIs there a way to protect uart from being hacked!?For example:I have a device that uses gsm to send sensitive data.Anyone with a simple background can learn the uart pins and then put a logic analyzer or rx probe and then know ip a...

Welcome everyoneI used Free ROS with two tasks, the first task was to blink the led and the second task was to receive from uart and then to resend the received message. The two tasks have the same priorityThe led flash works fine but the uart only r...

HiWhen I configure uart in interrupt mode, can I use it in polling mode in the future? (For any reason)my other question, when is the HAL_UART_RxCpltCallback function called, is it when all data is received ? or when byte by byte is received?Thank yo...