38.4.2.1 usart_sync_init

Initialize USART interface.

int32_t usart_sync_init(
    struct usart_sync_descriptor *const descr,
    void *const hw,
    void *const func
)

This function initializes the given I/O descriptor to be used as USART interface descriptor. It checks if the given hardware is not initialized and if the given hardware is permitted to be initialized.

Parameters

descr

Type: struct usart_sync_descriptor Struct *const

A USART descriptor which is used to communicate via USART

hw

Type: void *const

The pointer to hardware instance

func

Type: void *const

The pointer to as set of functions pointers

Returns

Type: int32_t

Initialization status.