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Design and Implementation of Wireless Communication Module Based on Loongson-2K

To improve the wireless communication capability of embedded computing platform, a design method of hardware and software of wireless communication module based on Loongson-2K processor is proposed. In the hardware design part, the control function is realized by the processor in the back end and the wireless communication function is realized by the AR9285 chip in the front end. The AR9285 chip interacts with the processor through PCI - E bus. In the software design part, the wireless communication functions such as initialization, data transmission and reception are realized by adding WiFi function driver in BIOS. The verification results show that the wireless communication module based on Loongson-2K processor works stably, reduces power consumption and effectively improves the wireless communication capability of embedded computing platform.