040000 tree d0d58e90304905b174c9d646b6a0ae93a952d1f5	fpga_config
040000 tree d34d6614c4c68f672398e2034215ff2629a2551e	spi_flash_test
040000 tree 882641047ec1d50d5f3de50cb74f62eb606d5ff4	system_example