Check if the USART receiver is not empty.
int32_t usart_async_is_rx_not_empty( const struct usart_async_descriptor *const descr )
Type: const struct usart_async_descriptor Struct *const
A USART descriptor which is used to communicate via USART
Type: int32_t
The status of the USART RX empty checking.
The USART receiver is not empty
The USART receiver is empty