基于虚拟COM口的无线收发器设计及实现

设计了无线收发器的软硬件体系，分析了无线收发芯片CC1100和USB与UART桥接芯片CP2102的特点，给出了无线收发器的电路实现方案，提出了改进的无线透明传输协议。无线收发器的数据传输速率和频段可调，频段有256个，易实现频分多址，也可以在不同频段利用码分多址技术组建最多256个子网络。实测结果表明，所设计的无线收发器性能稳定，达到了使用要求。

Design and Implementation of RF Transceiver Based on Virtual COM Port

The software and hardware system of RF transceiver was designed.The characteristics of single chip transceiver CC1100 and USB to UART CP2102 were analyzed,and the circuit of RF transceiver and an improved RF communication protocol were given.The baud rates and the frequency of RF transceiver can be adjusted,and the frequency has 256 bands.The RF transceiver can apply frequency division multiple access mode or organize 256 subnets with code division multiple access mode.Test results show that the communication performance of RF transceiver is stable and can satisfy the practical requirements.