usart_dma_enable

Enable USART interface.

int32_t usart_dma_enable(
    struct usart_dma_descriptor *const descr
)

Enables the USART interface

Parameters

descr

Type: struct usart_dma_descriptor Struct *const

A USART descriptor which is used to communicate via USART

Returns

Type: int32_t

Enabling status.