spi_half_duplex_dma_master
Overview
The spi_half_duplex_dma_transfer_master example shows how to use driver API to transfer in half-duplex way.
In this example, one spi instance as master and another spi instance on the other board as slave. Master sends a piece of data to slave, and receive a piece of data from slave. This example checks if the data received from slave is correct. Besides, master will transfer data in DMA way.