针对当前无人机发展的要求,以前的数据采集系统在功能与性能上已经不能满足现在机载计算机整体发展的要求,在此提出了一种基于DSP和μC/OS-Ⅱ的无人机数据采集系统;硬件设计部分给出了系统的硬件原理图,对应用到的具体芯片和系统工作原理进行了描述,软件设计部分给出了嵌入式操作系统应用中最主要的任务的编写、管理、调度与通信等方面,并对任务的运行流程和中断的实现进行了详细的描述;通过将该系统应用在无人机发动机部分进行调试,证实该系统运行稳定可靠,采集的速度和精度满足要求。
Nowadays, old data collecting system hasn't been satisfying the requirements of the UAV's development in functions and per- formances. A new kind of UAV data collecting system based on μC/OS-Ⅱ was given. The section of hardware has the system's schematic diagram and descriptions about the chip and work principle. The section of software has task designing, managing, attempering and commu- nication, then describe the task's running flow and ISR's realization particularly. While the system was used in engine, it worked stably and credibly, and its collecting speed and precision can achieve requirements.