其中包括了射频芯片nRF905相应得SPI操作代码，以及YM12864液晶显示屏操作代码，共享了，为的是能下到好的WSN MAC代码用NS仿真的。-Including the RF chip nRF905 corresponding the SPI operation code, and YM12864 LCD operation code, shared, as is to a good WSN MAC code down to the simulation with NS.