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CAN
Tested on STKa6x BSP Rev.0104 and BSP Rev.0105
SPI can be tested on the starterkit with spidev_test from the kernel sources
http://https://www.kernel.org/doc/Documentation/spi/spidev_test.c
spidev_test is included in the sd image by default.
To run the SPI loopback test please put a bridge between X27_43 and X27_44 on the starterkit.