36 #ifndef SPI_MASTER_H_INCLUDED    37 #define SPI_MASTER_H_INCLUDED    42 # include "xmega_spi/spi_master.h"    44 # include "megarf_spi/spi_master.h"    46 # include "uc3_spi/spi_master.h"    50 # error Unsupported chip type Atmel part identification macros. 
 
SPI master common service for SAM.