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The Design and Implementation of VxWorks BSP Based on ARM9

Author: LiYong
Tutor: LiuHongLi
School: Hunan University
Course: Electronic Science and Technology
Keywords: Embedded Systems ARM9 Real - time operating system VxWorks Board Support Package
CLC: TP316.2
Type: Master's thesis
Year: 2009
Downloads: 481
Quote: 6
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Abstract


In recent years, with the rapid development of embedded technology , embedded applications become a hot topic , and showing a huge market demand , to become a new economic growth point for the IT industry . As microprocessor performance enhanced embedded processor to complete more and more complex functions , you need to use the operating system to manage the program running in the device . To enhance compatibility , embedded operating systems typically use a board support package (Board Support Package) shielding the underlying hardware differences , support for different platforms . In order to meet the needs of the college teaching embedded systems , this paper designed an embedded development board for embedded system teaching and secondary development . The development board using the ARM9 microprocessor as the central processing unit to provide support for real-time operating system VxWorks Board Support Package written . This article uses the Cadence software to complete the circuit design of the system , including the power supply module , serial module , SDRAM modules , Flash module , Ethernet module , CAN bus module , USB host module , JTAG interface module , etc. . Hardware circuit test by the underlying software design and development , the first to achieve the bootrom based on serial communication , generate VxWorks minimum load the image , use the minimum system development board running the VxWorks bootrom boot image , and through a serial connection to the host debug ; development board and then refer to the architecture of the network drive under VxWorks , writing Ethernet bottom drive , the TCP / IP protocol stack join the BSP -based Ethernet bootrom and debugging ; then VxWorks I / O system CAN bus driver to complete the the CAN link- layer connection ; USB OHCI controller USB host driver ; TrueFFS file system management development board Flash device . Finally, to complete the system test , test results show that : the VxWorks operating system run successfully on the development board , and all the drive is operating normally .

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CLC: > Industrial Technology > Automation technology,computer technology > Computing technology,computer technology > Computer software > Operating system > Real-time operating system
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