该驱动为ADF7020在BLACKFIN DSP芯片下的驱动源码，里面设计ADF7020芯片的寄存器设置，寄存器的读写，收发控制，收发数据等，是使用和开发ADF7020有用的参考资料。-This driver is based on BLACKFIN DSP,including how to setting the register in ADF7020, how to read and write the register,how to control the sending state and the receiving state,which is used to develop the ADF7020.