无人机第一届报告项目四

1、项目四:基于惯导器件的动作识app 总体概述实现功能：利YYYY1 项目四:基于惯导器件的动作识app 总体概述实现功能：利YYYY1 APP1. 水平加速度值并存在数组harr、zarr中，同时利用system.nanoTime()状计算垂直加速度和harrzarr（80个）zfreq, hfreq, zmax,水平加速度最大值hmax，并根据设定的阈值进行状态判断。2. UDP 和acket packet = new acket(data,data.length,address,DatagramSocketsocket = new harrzarr（80个）zfreq, hfreq, zm

2、ax,水平加速度最大值hmax，并根据设定的阈值进行状态判断。2. UDP 和acket packet = new acket(data,data.length,address,DatagramSocketsocket = new packagefloat importimportjava importjavanet.DatagramSocket; import java net.InetAddress; importjavanet.SocketException;importjava importandroidimportandroidimportandroidhardware.Sensor

3、EventListener; import android hardware.SensorManager; import android.os.Bundle;importimportimportimportimportjava importjavanet.DatagramSocket; import java net.InetAddress; importjavanet.SocketException;importjava importandroidimportandroidimportandroidhardware.SensorEventListener; import android ha

4、rdware.SensorManager; import android.os.Bundle;importimportimportimport android.R.import android.app.Activity; import android.content.importimport;import;importimportimport android.widget.Button; import android.widget.EditText; importandroid.widget.TextView;importpublicclassMainActivityivityimplemen

5、tsprivateSensorManagermSensorManager=erManagererManager=private Sensor mLinAccelSensor = null; private Sensor mGravitySensor = null; privatefloatGravityVector=0,0,9.8f;privatefloatLinAccelVector=0,0,privatefloatpublicfloatpublicfloatzarr=newfloat publicfloatharr=newfloatpublics public public steps i

6、cfinalic TextViewpublic s privates s ic ic PORT= lastS publicfloatTextViewpublic s privates s ic ic PORT= lastS publicfloatEditTextethfreq,ethmax,etzfreq,etzmax; Button bt1;publicfloathfreq1=newfloat4,hfreq2=newhmax1=newfloat4,hmax2=newfloat4,zfreq1=newfloat4, privateToastprotectedvoidonCreate(Bundl

7、ee)mSensorManager=(SensorManager)mGravitySensor=mLinAccelSensorsor(Sensor.TYPE sor(Sensor.TYPE LINEAR erManager=erManager)for i=0;i3) if(isHorizon&hmax=hmax1SIT& hfreq=hfreq1SIT & zmax=zmax1SIT & zfreq=zfreq1SIT) addArrayEnd(s us,SIT);/ if(!isHorizon&hmax=hmax1STAND& hfreq=hfreq1STAND & zmax=zmax1ST

8、AND & zfreq=zfreq1STAND) addArrayEnd(s us,STAND);/if (hmax=hmax1WALK & hfreq=hfreq1WALK & zmax=zmax1WALK& zfreq=zfreq1WALK) addArrayEnd(s us,WALK);/if (hmax=hmax1RUN & hfreq=hfreq1RUN & zmax=zmax2if (hmax=hmax1RUN & hfreq=hfreq1RUN & zmax=zmax1RUN& us,RUN);/curS us=getS Stringstr= if(curS us!= us(s

9、us)lastS us =curS if (curS us = STAND) str = standing; elseif(curS us=SIT) str = sitting;elseif(curS us=WALK) str = walking;elseif(curS us=RUN) str = running;Stringaddtext elseclass SendMessageTask implements Runnable private String addtext, str; SendMessageTask(Stringaddtext,Stringstr)this.addtext=

10、this.str=public void run() InetAddressaddress;bytedatatry address=InetAddress.getByName(addtext); bytedatatry address=InetAddress.getByName(addtext); acketpacket= newacket(data,data.length,address,DatagramSocketsocket=new catch (UnknownHostException e) catch (SocketException e) catch (IOException e)

11、 privatevoidsendMessageToServer(Stringaddtext,Stringstr)Threadthread=newThread(newSendMessageTask(addtext,str); publicvoidtry (MyPrefs,Stringhf=settings.getString(ethfreq,).split(/); hf=settings.getString(etzfreq, ).split(/); hf=settings.getString(etzfreq, ).split(/); Toast.makeText(this,Done,catch(

12、Exceptione)for getS s i=0;ijudge.length;i+)for i=0;i=0)judges s us=-1,count=-for i=0;icount) returns publicfloatgetFreq(floatarr,floats us=0,for i=0;iarr0.length;i+)if (s uspublicfloatgetFreq(floatarr,floats us=0,for i=0;iarr0.length;i+)if (s us=0 &arr0ithreshold) us = 2;elseif(s us=2) us = 0;cnt+;/

13、stepcountfloattime=arr1arr0.length-1-arr10; returnpublicfloatgetMax(floatfloatfor i=0;iarr0.length;i+)if returnpublicvoidaddAndShift(floatarr,floatval,floattime) for i=0;ilen-1;i+) publicvoidfor i=0;ilen-1;i+) publicvoidpublicvoidonResume()/runafterstartService2nd mSensorManager registerListener(thi

14、s,mSensorManager registerListener(this,public void onPause() mSensorManager.unregisterListener(this,mGravitySensor); privatebyteGetMessageToSend(Stringstring) String message = NOP; message=elseif(string.equals(降落) message = LND;elseif(string.equals(向前) message = FWD;elseif(string.equals(向后) message

15、= BCK;elseif(string.equals(向左) message = LFT;elseif(string.equals(向右) message = RGH;elseif(string.equals(左转) message = CNT;elseif(string.equals(右转) message = CLK;elseif(string.equals(冲刺) message = SPR;returnprivatevoidshowTip(finalStringrunOnUiThread(newRunnable() public void run() RelativeLayout xmlns:android= HYPERLINK http:/s/ http:/s mallmal