Write Read VI

Owning Palette: SPI VIs

Requires: myRIO Toolkit or roboRIO Toolkit

Writes and reads data frames through a serial peripheral interface (SPI) channel at the same time. The number of data frames to write equals the number of the data frames to read.

	SPI Ref In specifies the reference to the SPI channel. Use the Open VI to open a reference to the SPI channel. Do not modify the SPI Ref In values.
	Frames to Write specifies the data to write to the SPI channel.
	error in describes error conditions that occur before this node runs. This input provides standard error in functionality.
	SPI Ref Out returns the reference to the SPI channel that you specify.
	Frames Read returns the data frames that this VI reads from the SPI channel.
	error out contains error information. This output provides standard error out functionality.