This paper studies the application of C language graphic function in the computer design process through a practical example of menu design using C language. It consists of three main modules: the instruction of self-...This paper studies the application of C language graphic function in the computer design process through a practical example of menu design using C language. It consists of three main modules: the instruction of self-definition function used in the process of initialization of screen and menu system, the instruction of ini- tialization screen and menu system, and the instruction of self-definition function used in keyboard service program. The study reveals the properties of abundance and practice of the library function of C language.展开更多
针对农田数据采集系统有线传输方式常受到地形、安装环境等限制问题,提出了一种基于ZigBee数据采集传输系统。采用CC2530芯片为主搭建无线传感器网络,终端和协调器采用半开源的Z-Stack协议栈进行程序开发,上位机基于Visio Studio 2015...针对农田数据采集系统有线传输方式常受到地形、安装环境等限制问题,提出了一种基于ZigBee数据采集传输系统。采用CC2530芯片为主搭建无线传感器网络,终端和协调器采用半开源的Z-Stack协议栈进行程序开发,上位机基于Visio Studio 2015平台采用C#语言进行软件开发,并配合ACCESS数据库,共同实现了系统的远程检测与本地保存和动态显示。在玉米试验田进行实地测试,终端按采集需要暂时设定为每间隔1 h采集一次数据,其余时间处于休眠状态。经计算,终端预计工作时间为100 d左右;且经过测试,终端与协调器的有效传输距离能达到80 m,数据传输有效率达92%。结果表明:该系统具有低功耗、低成本、系统运行稳定、可扩展性强等特点,满足农业信息化的需求。展开更多
文摘This paper studies the application of C language graphic function in the computer design process through a practical example of menu design using C language. It consists of three main modules: the instruction of self-definition function used in the process of initialization of screen and menu system, the instruction of ini- tialization screen and menu system, and the instruction of self-definition function used in keyboard service program. The study reveals the properties of abundance and practice of the library function of C language.
