| Since the global navigation satellite system has broad application prospects in the fields of aviation navigation, navigation, national defense, and so on, which makes the satellite navigation and positioning receiver become the object of the research. In this paper, the design and implementation method of GPS/Beidou receiver based on ARM microprocessor and uC/OS-III embedded system is studied.This paper outlines the positioning of the global navigation satellite system principle, gives the GPS/Beidou receiver system design scheme, the hardware modules of the receiver are introduced and the design and construction of GPS/Beidou receiver ARM microprocessor and uC/OS-III embedded system development platform based on embedded hardware. Then studied the embedded real-time operating system uC/OS-III kernel structure mainly focuses on the analysis of uC/OS-III, associated with the processor, and the processor independent code and application code and related code, study on the transplantation of uC/OS-III conditions, using MDK-ARM integrated development environment, uC/OS-III will be ported to STM32 ARM processor, and to test whether transplantation success. Again using the MDK-ARM integrated development environment, parallel to multi task in uC/OS-III system and Realization of receiver signal processing, navigation data calculation and positioning results display function, finally complete the design work of ARM microprocessor and uC/OS-III embedded system GPS/software based on Beidou receiver. Finally, the debugging and testing of the GPS/Beidou receiver hardware and software, the test results show that the design of the GPS/Beidou receiver can work stably, and the positioning time is short, the positioning accuracy is up to the required precision.In short, this article from the embedded system software and hardware development and application of the basic method of design, design and Implementation Based on ARM microprocessor and uC/OS-III embedded system GPS/Beidou receiver. |
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