The Data Transmission System Design between Intelligent Multi-serial Port and Ethernet Based on ARM and FPGA

According to the semi-physical simulation experiment needs of UAV flight control system, the serial numbers was needed to expand, the intelligent communication system is implemented between serial port and Ethernet based on ARM processor, and serial number is expanded based on FPGA, which can achieve eight serial port expansion. TCP/IP protocol is cutted in software design, UDP communication is realized by the RL-ARM real-time library between processors and PC. The results show that this scheme can make the system is simple and reliable, high transmission efficiency, low cost features.