SpiDeviceInterface (diozero - Core 1.3.0 API)

All Superinterfaces:

AutoCloseable, DeviceInterface

All Known Subinterfaces:

InternalSpiDeviceInterface

All Known Implementing Classes:

DefaultNativeSpiDevice, SpiDevice
```
public interface SpiDeviceInterface
extends DeviceInterface
```
Serial Peripheral Interface (SPI)

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`int`	`getChipSelect()`	Get the SPI Chip Select
`int`	`getController()`	Get the SPI controller
`void`	`write(byte... data)`	Write the entire contents of `data` to the device
`void`	`write(byte[] data, int offset, int length)`	Write `length` bytes from `data` starting at `offset`
`byte[]`	`writeAndRead(byte... data)`	Write the `data` to the device then read `data.length` bytes from the device

Methods inherited from interface com.diozero.api.DeviceInterface
close

- Method Detail
  - getController
```
int getController()
```
    Get the SPI controller
    
    Returns:
    
    the SPI controller
  - getChipSelect
```
int getChipSelect()
```
    Get the SPI Chip Select
    
    Returns:
    
    the SPI chip select
  - write
```
void write(byte... data)
    throws RuntimeIOException
```
    Write the entire contents of data to the device
    
    Parameters:
    
    data - the data to write
    
    Throws:
    
    RuntimeIOException - if an I/O error occurs
  - write
```
void write(byte[] data,
           int offset,
           int length)
    throws RuntimeIOException
```
    Write length bytes from data starting at offset
    
    Parameters:
    
    data - the data to write.
    
    offset - the start offset in the data.
    
    length - the number of bytes to write.
    
    Throws:
    
    RuntimeIOException - if an I/O error occurs
  - writeAndRead
```
byte[] writeAndRead(byte... data)
             throws RuntimeIOException
```
    Write the data to the device then read data.length bytes from the device
    
    Parameters:
    
    data - the data to write.
    
    Returns:
    
    the data read from the device, same length as the data written.
    
    Throws:
    
    RuntimeIOException - if an I/O error occurs