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Design of Data Transmitting System Between Multi-Channel RS232 and Ethernet Based on DSP and ENC28J60

Hongde Deng

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Abstract

For the requirement of ground simulation experiment for UAV's flight and control system,according to the problem that traditional serial port's connection mode is one to one and has low transmission rate,DSP TMS320F2808 and Ethernet controller ENC28J60 are adopted to realize data transmission between multi-channel serial ports and Ethernet,the design can expand five channels serial ports at most.A new-type universal asynchronous receiver transmitter MAX3100 accomplishes conversion between SPI interface and asynchronous serial port.In software,TCP/IP protocol is cut out and realized.The result indicates that the system not only has steady operation between Ethernet and multi-channel serial port,but also implements high transmission performance and low cost.

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What this paper is about

For the requirement of ground simulation experiment for UAV's flight and control system,according to the problem that traditional serial port's connection mode is one to one and has low transmission rate,DSP TMS320F2808 and Ethernet controller ENC28J60 are adopted to realize data transmission between multi-channel serial ports and Ethernet,the design can expand five channels serial ports at most.A new-type universal asynchronous receiver transmitter MAX3100 accomplishes conversion between SPI interface and asynchronous serial port.In software,TCP/IP protocol is cut out and realized.The result indicates that the system not only has steady operation between Ethernet and multi-channel serial port,but also implements high transmission performance and low cost.

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Available abstract

For the requirement of ground simulation experiment for UAV's flight and control system,according to the problem that traditional serial port's connection mode is one to one and has low transmission rate,DSP TMS320F2808 and Ethernet controller ENC28J60 are adopted to realize data transmission between multi-channel serial ports and Ethernet,the design can expand five channels serial ports at most.A new-type universal asynchronous receiver transmitter MAX3100 accomplishes conversion between SPI interface and asynchronous serial port.In software,TCP/IP protocol is cut out and realized.The result indicates that the system not only has steady operation between Ethernet and multi-channel serial port,but also implements high transmission performance and low cost.

Key concepts: Serial port, Universal asynchronous receiver/transmitter, Serial communication, Ethernet, Computer science, Embedded system, Asynchronous communication, Synchronous Ethernet

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Design of Data Transmitting System Between Multi-Channel RS232 and Ethernet Based on DSP and ENC28J60 — Research Paper | ScholarLens