Define AVR_CTLREQ_SPI_TRANSFER

Define Documentation

AVR_CTLREQ_SPI_TRANSFER

Request to transfer a byte bypassing . A byte is directly dropped into the RX buffer and a byte popped from the TX buffer of the SPI interface with bypassing the actual line shifting. This is meant for debugging purposes.

  • In argument, data is a 8-bits frame to be pushed to the RX buffer.

  • data is returned set to a 8-bits frame popped from the TX buffer.