基于MTK平台的叶绿素检测仪开发

摘要

利用华禹旋风001MTK手机开发模块作为主控设备实现叶绿素仪的硬件开发.MTK手机平台采用Nucleus嵌入式实时操作系统,集成了ARM处理器、GPRS Modem等,并且还提供了总线扩展接口,比如并口、串口等.本文通过JNI实现Java 控制硬件,在MTK的Java平台下使用低级UI(User Interface)编写仪器的配套程序,实现了对硬件的控制、数据和图像的采集、数据的存储和浏览等功能.MTK平台的高度集成性和稳定性为开发工作创造了一个高效、稳定的平台.基于MTK平台的拍照功能,在获取植物叶片SPAD值的同时,还可拍摄对应的叶片或植株的照片,从而有助于对作物的形态参数、氮素营养成分及病虫害信息进行综合对比分析.%Huayu cyclone 001 mobile phone development module was used as the master system to develop the chlorophyll meter.MTK mobile phone platform used a real-time operating system called Nucleus,which integrated ARM processor,GPRS Modem,and also provided bus expansion interface,such as parallel port and serial port.In this study,the control of hardware was achieved by Java Native Interface (JNI).The corresponding software was developed at the Java platform of MTK with low-level User Interface (UI).Thus it realized the control of hardware,the collection and storage and browse of data and images.The high integration and stability of MTK provided an effective and stable platform for the development of chlorophyll meter.Based on the camera attachment of MTK,the chlorophyll meter could measure the SPAD value,and collect the images of plant leaf simultaneously.This function is benefit for comprehensive analysis of crop phenotypic parameters,nutritional parameters,and the plant diseases and insect pests.