Contents

readDDCData

Reads the input state of the I2C data line on a bus.

Declaration

virtual bool readDDCData(
 IOIndexbus );

Parameters

  • bus:

    Index of the bus.

Return Value

A boolean reflecting the current state of the data line on the given bus.

Overview

Framebuffers making use of the IOFramebuffer::doI2CRequest() software implementation of I2C should implement this method to return the input state of the I2C data line on the given bus. Otherwise may be unimplemented.

See Also

Miscellaneous