Register USART callback.
int32_t usart_dma_register_callback( struct usart_dma_descriptor *const descr, const enum usart_dma_callback_type type, usart_dma_cb_t cb )
Type: struct usart_dma_descriptor Struct *const
A USART descriptor which is used to communicate via USART
Type: const enum usart_dma_callback_type
Callback type
Type: usart_dma_cb_t
A callback function
Type: int32_t
The status of callback assignment.
Passed parameters were invalid or the interface is not initialized
A callback is registered successfully