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 an