针对RFID系统的应用需求,基于ARM9微处理器的S3C2440嵌入式系统,实现了nRF905无线收发器的数据传输,为RFID系统提供了底层软硬件接口。硬件使用基于S3C2440微控制器的嵌入式平台和单片无线收发器nRF905;软件使用ARM-Linux内核,利用上层应用程序发送接收数据,底层驱动程序进行硬件间的数据传输。
To fulfill the application requirement of RFID system, data transfer of nRF905 is proposed based on $3C2440 ARM9 microprocessor,provided low-level software and hardware interface for RFID system. Hardware adopts $3C2440 chip-based embedded platform and the nRF905 wireless transceiver; software adopts ARM-Linux, using upper application procedure to send and receive data, low-level driver implements data transfer between hardware.