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mainfinal1.cpp
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mainfinal1.cpp
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#include <iostream>
#include <cstdio>
#include <linux/input.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include "VE450.hpp"
#include <errno.h>
#include <pthread.h>
#include <time.h>
#include <netinet/tcp.h>
#include <math.h>
#include <cmath>
using namespace DJI::OSDK;
using namespace DJI::OSDK::Telemetry;
#define MAXLINE 101
#define PI 3.14159265358979323846264338327950288
pthread_mutex_t g_mutext;
// get gps information
Telemetry::GPSInfo gpsData;
Telemetry::Battery batteryInfo;
struct s_info{
struct sockaddr_in client_add;
int client_fd;
Vehicle* vehicle;
int thno;
};
//This is the thread function
void* do_work(void* arg){
//set the attribute of the thread as detached, which means that
//once the thread is ended, its resources are automatically released.
pthread_detach(pthread_self());
int n,i;
int on=1;
int reno=0;
//receive the information
struct s_info *ts = (struct s_info*)arg;
char buf[MAXLINE];//在线程自己的用户空间栈开辟的,该线程运行结束的时候,主控线程就不能操作这块内存了
char str[INET_ADDRSTRLEN];//INET_ADDRSTRLEN 是宏16个字节
char info[17]="Thread No.\0";
char thnum[5];
thnum[5]='\0';
char la[20];
char lo[20];
la[20]='\0';
lo[20]='\0';
char dymsg[39];
dymsg[39]='\0';
int battery;
char ba[2];
ba[2]='\0';
sprintf(thnum,"%d", ts->thno);
printf("%s\n",strcat(info,thnum));
//send(ts->client_fd,info,17,0);
/*
recv(ts->client_fd,buf,MAXLINE,0);
if(strncmp(buf,"commandmode",11)==0){
send(ts->client_fd,"Enter command mode",20,0);
*/
while(1){
memset(buf,0,sizeof(buf));
n=recv(ts->client_fd,buf,MAXLINE,0);
if(n<=0){
std::cout<<"disconnected, reconnecting"<<std::endl;
sleep(4);
reno++;
if(reno>=3)break;
}
else{
buf[MAXLINE]=='\0';
printf("receive bytes = %d data=%s\n",n,buf);
fflush(stdout);
if(strncmp(buf,"gps",3)==0){
setsockopt(ts->client_fd,IPPROTO_TCP,TCP_NODELAY,&on,sizeof(on));
//send(ts->client_fd,"enter gps mode",15,MSG_NOSIGNAL);
while(1){
memset(buf,0,sizeof(buf));
memset(dymsg,0,sizeof(dymsg));
gpsData = ts->vehicle->broadcast->getGPSInfo();
gpsData.latitude = gpsData.latitude-18426;
gpsData.longitude = gpsData.longitude+47135;
batteryInfo = ts->vehicle->broadcast->getBatteryInfo();
battery=(int)batteryInfo.percentage;
sleep(1);
sprintf(la,"%d",gpsData.latitude);
sprintf(lo,"%d",gpsData.longitude);
strcat(dymsg,la);
strcat(dymsg,lo);
if ((battery>=10)&&(battery<100))
{
sprintf(ba,"%d",battery);
strcat(dymsg,ba);
}
/*
else if(battery<10)
{
ba[1]=0;
ba[2]=0;
ba[3]=(char)battery;
strcat(dymsg,ba);
}
else{
strcat(dymsg,"100");
}
*/
if(send(ts->client_fd,dymsg,39,MSG_NOSIGNAL)<=0){
printf("thread %d is closing...",ts->thno);
fflush(stdout);
pthread_exit(NULL);
sleep(0.5);
}
}
}
send(ts->client_fd,buf,n,0);
if(strncmp(buf,"Take Off",8)==0){
monitoredTakeoff(ts->vehicle);
}
else if(strncmp(buf,"land",4)==0){
monitoredLanding(ts->vehicle);
}
else if(strncmp(buf,"forward",7)==0){
moveByPositionOffset(ts->vehicle,5,0,0,0);
}
else if(strncmp(buf,"backward",8)==0){
moveByPositionOffset(ts->vehicle,-5,0,0,0);
}
else if(strncmp(buf,"left",4)==0){
moveByPositionOffset(ts->vehicle,0,-5,0,0);
}
else if(strncmp(buf,"right",5)==0){
moveByPositionOffset(ts->vehicle,0,5,0,0);
}
else if(strncmp(buf,"upper",5)==0){
moveByPositionOffset(ts->vehicle,0,0,0.5,0);
}
else if(strncmp(buf,"lower",5)==0){
moveByPositionOffset(ts->vehicle,0,0,0.5,0);
}
else if(strncmp(buf,"hotpoint",8)==0){
int hotptInitRadius;
int responseTimeout = 1;
hotptInitRadius = 10;
runHotpointMission(ts->vehicle, hotptInitRadius, responseTimeout);
}
else if(strncmp(buf,"waypoint",8)==0){
Telemetry::Vector3f deltaNED;
// Global position retrieved via broadcast
Telemetry::GlobalPosition currentGPS;
Telemetry::GlobalPosition targetGPS;
//currentGPS = ts->vehicle->broadcast->getGlobalPosition();
//gpsData = ts->vehicle->broadcast->getGPSInfo();
currentGPS.latitude = static_cast<double>(gpsData.latitude)/static_cast<double>(10000000.0000000)*DEG2RAD;
currentGPS.longitude = static_cast<double>(gpsData.longitude)/static_cast<double>(10000000.0000000)*DEG2RAD;
std::cout << "gpsData.latitude=" << gpsData.latitude << std::endl;
printf("currentGPS.latitude= %.7lf\n", currentGPS.latitude);
printf("currentGPS.longitude= %.7lf\n", currentGPS.longitude);
std::string buf_str = buf;
std::string buf_str_la = buf_str.substr(8,10);
std::string buf_str_lo = buf_str.substr(18,11);
std::cout << "buf_str=" << buf_str<< std::endl;
std::cout << "buf_str_la=" << buf_str_la<< std::endl;
std::cout << "buf_str_lo=" << buf_str_lo<< std::endl;
targetGPS = {(double)atof(buf_str_la.c_str())*DEG2RAD, (double)atof(buf_str_lo.c_str())*DEG2RAD,currentGPS.altitude,currentGPS.height,
currentGPS.health};
//std::cout<<"current:"<<currentGPS.latitude<<" "<<currentGPS.longitude<<std::endl;
std::cout<<"target:"<<targetGPS.latitude<<" "<<targetGPS.longitude<<std::endl;
localOffsetFromGpsOffset(ts->vehicle, deltaNED,
static_cast<void*>(&targetGPS),
static_cast<void*>(¤tGPS));
std::cout<<"ready to move"<<std::endl;
std::cout<<"NED:"<<deltaNED.x<<" "<<deltaNED.y<<std::endl;
moveByPositionOffset(ts->vehicle,-deltaNED.y,deltaNED.x,0,0);
}
else if(strncmp(buf,"quit",4)==0)
break;
}
}
/*
}
else if(strncmp(buf,"recvmode",8)==0){
send(ts->client_fd,"Enter recv mode",15,0);
}
*/
//Exit the thread when the function returns
pthread_exit(NULL);
}
int main(int argc, char** argv) {
// Initialize server variables
int sock_fd;
struct sockaddr_in serv_addr;
int client_fd;
struct sockaddr_in client_add;
socklen_t len;
int n;
int reuse=1;
struct timeval tv;
// Initialize onboard variables
int functionTimeout = 1;
int battery;
struct s_info ts[3000];
int m=0;
pthread_t tid;
char threadhandle[10];
// Setup OSDK.
std::cout << "VE450 program starts!\n";
LinuxSetup linuxEnvironment(argc, argv);
Vehicle* vehicle = linuxEnvironment.getVehicle();
if (vehicle == NULL) {
std::cout << "Vehicle not initialized, exiting.\n";
return -1;
}
// Obtain Control Authority
vehicle->obtainCtrlAuthority(functionTimeout);
// open server
// create the socket
sock_fd=socket(AF_INET,SOCK_STREAM,0);
if(sock_fd==-1)
{
perror("create socket error!.");
return 0;
}
else
{
printf("Success to create socket %d\n",sock_fd);
}
//set the address structure of the server
bzero(&serv_addr,sizeof(serv_addr)); //initialize the memory
serv_addr.sin_family=AF_INET; //set the transmission layer attribute as IPv4
serv_addr.sin_port=htons(EHCO_PORT); //set the port number
serv_addr.sin_addr.s_addr=htons(INADDR_ANY); //set the IP address of the server
bzero(&(serv_addr.sin_zero),8);
//reuseaddr
int reuseaddr=setsockopt(sock_fd,SOL_SOCKET,SO_REUSEADDR,&reuse,sizeof(tv));
//bind the socket to the port
if(bind(sock_fd,(struct sockaddr*)&serv_addr,sizeof(serv_addr))!=0)
{
printf("bind address fail %d\n",errno);
close(sock_fd);
return 0;
}
else
{
printf("Success to bind address!\n");
}
//listen to the port
if(listen(sock_fd,MAX_CLIENT_NUM!=0))
{
perror("listen socket error!\n");
close(sock_fd);
return 0;
}
else
{
printf("Success to listen\n");
}
while(1){
len=sizeof(client_add);
client_fd=accept(sock_fd,(struct sockaddr*)&client_add,&len);
//after accept(), the thread will be created
ts[m].client_add=client_add;
ts[m].client_fd=client_fd;
ts[m].vehicle=vehicle;
ts[m].thno=m;
//pass the information received by accept() to the thread
pthread_create(&tid, NULL, do_work, (void*)&ts[m]);
m++;
}
//接收客户端发来的数据
/*
float64_t latitude = 106.0;
float64_t longitude = 32.0;
WaypointMission wayPoint(vehicle);
WayPointInitSettings WayPointDesti = {(uint8_t)1, (float32_t)5, (float32_t)5, (uint8_t)2, (uint8_t)1,
(uint8_t)0, (uint8_t)0, (uint8_t)1, (uint8_t)0, (float64_t)latitude,
(float64_t)longitude, (float32_t)0, (uint8_t)0};
wayPoint.init(&WayPointDesti);
wayPoint.start();
*/
/*
while(1)
{
// receive battery information
Telemetry::Battery batteryInfo = vehicle->broadcast->getBatteryInfo();
battery=(int)batteryInfo.percentage;
char da[100]="ba";
da[100]='\0';
char batstr[3];
sprintf(batstr,"%d", battery);
send(client_fd,strcat(da,batstr),100,0);
n=recv(client_fd,buff,100,0);
}
std::cout << "startGlobalPositionBroadcast(vehicle) = " << startGlobalPositionBroadcast(vehicle) << std::endl;
std::cout << "Successfully quit and communication closed." << std::endl;
TakeoffAnyway(vehicle);
moveByPositionOffset(vehicle,0,0,0,0);
moveByPositionOffset(vehicle,0,0,0,0);
moveByPositionOffset(vehicle,0,0,0,0);
LandingAnyway(vehicle);
std::cout
<< "Test over."
<<std::endl;
// Display interactive prompt
/*std::cout
<< "| Available commands: |"
<< std::endl;
std::cout
<< "| [a] Takeoff + Landing |"
<< std::endl;
std::cout
<< "| [b] Takeoff + Position Control + Landing |"
<< std::endl;
char inputChar;
std::cin >> inputChar;
switch (inputChar) {
case 'a':
monitoredTakeoff(vehicle);
monitoredLanding(vehicle);
break;
case 'b':
monitoredTakeoff(vehicle);
moveByPositionOffset(vehicle, 0, 6, 6, 30);
moveByPositionOffset(vehicle, 6, 0, -3, -30);
moveByPositionOffset(vehicle, -6, -6, 0, 0);
monitoredLanding(vehicle);
break;
default:
break;
}*/
// close server
close(client_fd);
close(sock_fd);
return 0;
}