Research and Implementation of TMS320F2812 Software Upgrade Method Based on Serial Port
Aiming at the shortcomings of traditional DSP application programming,through the analysis of the application pro-gramming principle,a method for upgrading application programs using serial ports is designed.Firstly,this paper expounds the ne-cessity of online upgrading scheme,the composition of the hardware system,and the overall architecture of online upgrading scheme.Then,it describes the conversion method for application HEX data file,designs the method for Lab VIEW host computer software with re-encoding HEX files and embedded DSP upgrading software,respectively.Finally,the correctness and feasibility of the TMS320F2812 software upgrading method based on serial port are verified through the open-loop experiments,FLASH data compari-son experiments,and DSP control system functional verification experiments,the method solves the disadvantage that DSP control software must be burned and written through a downloader,improves the flexibility and reliability of the embedded software upgra-ding,and prolongs the life of the product.It has the advantages of simple,practical and strong portability,which lays a foundation for the remote and wireless upgrading of laser control systems and other software in other fields.
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