com.mbientlab.metawear.module

Interface SPI

All Superinterfaces:

MetaWearBoard.Module

public interface SPI
extends MetaWearBoard.Module

Communicates with the SPI bus, providing direct access sensors connected via SPI

Nested Class Summary

Nested Classes

Modifier and Type	Interface and Description
static class	SPI.Frequency Support SPI frequencies
static interface	SPI.ParameterBuilder Builder to construct common parameters for an SPI read/write operation.
static interface	SPI.SourceSelector Selector for the SPI data sources

Method Summary

Modifier and Type	Method and Description
SPI.ParameterBuilder	readData(byte numBytes, byte id, byte[] data) Reads data from a device through the SPI bus
SPI.SourceSelector	routeData() Initiates the creation of a data route
SPI.ParameterBuilder	writeData(byte[] data) Writes data to a device through the SPI bus

Method Detail

writeData

SPI.ParameterBuilder writeData(byte[] data)

Writes data to a device through the SPI bus

Parameters:

data - Data to send

Returns:

Builder to set additional parameters

readData

SPI.ParameterBuilder readData(byte numBytes,
                              byte id,
                              byte[] data)

Reads data from a device through the SPI bus

Parameters:

numBytes - Number of bytes to read

id - User ID identifying the read

data - Data to write on the bus before reading, null if nothing to write

Returns:

Builder to set additional parameters

routeData

SPI.SourceSelector routeData()

Initiates the creation of a data route

Returns:

Selection of available data sources