Vxworks下的一些驱动或者应用程序，包括dm9000网口驱动，FTP，SPI驱动及其部分应用程序，其中还有在Vxworks下模拟SPI 的读和写两个驱动-Vxworks under some drivers or applications, including dm9000 network port driver, FTP, SPI driver and some of its applications, which also simulated SPI read and write in