基于Cortex-M3的nRF24L01驱动程序，使用中断通信，可参考，发送部分也应利用该思想采用中断处理。仅使用1层FIFO-Cortex-M3-based nRF24L01 drivers use interrupt communications, can refer to, send some thought should also be used by the interrupt handling. Use only one layer of FIFO