protected override void OnCreate(Bundle savedInstanceState)
{
base.OnCreate(savedInstanceState);
Xamarin.Essentials.Platform.Init(this, savedInstanceState);
// Set our view from the "main" layout resource
SetContentView(Resource.Layout.activity_main);
UDP udp = new UDP();
Enthernet e = new Enthernet();
udp.UDP_Open(e.GetLocalIp(), 11067);
Button start = FindViewById <Button>(Resource.Id.start);
start.Click += (sender, e) =>
{
udp.UDP_Write("start", "255.255.255.255", 11066);//向UDP发送“start”
};
Button stop = FindViewById <Button>(Resource.Id.stop);
stop.Click += (sender, e) =>
{
udp.UDP_Write("stop", "255.255.255.255", 11066); //向UDP发送“stop”
};
Button restart = FindViewById <Button>(Resource.Id.restart);
restart.Click += (sender, e) =>
{
udp.UDP_Write("init", "255.255.255.255", 11066);//向UDP发送“restart”
};
}
protected override void OnCreate(Bundle savedInstanceState)
{
base.OnCreate(savedInstanceState);
Xamarin.Essentials.Platform.Init(this, savedInstanceState);
// Set our view from the "main" layout resource//设置界面来源
SetContentView(Resource.Layout.activity_main);
//打开UDP连接
udp.UDP_Open(et.GetLocalIp(), 11067);
//读取设置参数
config.Open();
GlobalData.v_min = Convert.ToDouble(config.Read("Parameters/Calibration/V_min"));
GlobalData.t_min = Convert.ToDouble(config.Read("Parameters/Calibration/T_min"));
GlobalData.v_max = Convert.ToDouble(config.Read("Parameters/Calibration/V_max"));
GlobalData.t_max = Convert.ToDouble(config.Read("Parameters/Calibration/T_max"));
GlobalData.warn_temp = Convert.ToDouble(config.Read("Parameters/Warn/Warn_Temp"));
//初始化铃声
Android.Net.Uri notification = RingtoneManager.GetDefaultUri(RingtoneType.Alarm);//使用闹钟声音
Ringtone r = RingtoneManager.GetRingtone(this, notification);
//关联控件
TextView view = FindViewById <TextView>(Resource.Id.Receive);
PlotView plotview = FindViewById <PlotView>(Resource.Id.Chart_View);
ToggleButton start = FindViewById <ToggleButton>(Resource.Id.Start_Stop);
ToggleButton connect = FindViewById <ToggleButton>(Resource.Id.connect);
Button set = FindViewById <Button>(Resource.Id.set);
TextView msg = FindViewById <TextView>(Resource.Id.msg);
Button sleep = FindViewById <Button>(Resource.Id.sleep);
//设置
set.Click += (e, t) =>
{
var intent = new Intent(this, typeof(SetActivity));
//设置意图传递的参数
//intent.PutStringArrayListExtra("phone_numbers", phoneNumbers);
StartActivity(intent);
};
//休眠
sleep.Click += (e, t) =>
{
try
{
client.TCP_Write("slp");
}
catch
{
}
};
plotview.Model = CreatePlotModel();
plotview.SetCursorType(CursorType.ZoomRectangle);
new Thread(new ThreadStart(() =>
{
string data = "";
bool run = true;
int state = 0;
DateTime time_start = DateTime.Now;
var series = plotview.Model.Series[0] as LineSeries;
double y = 0.0;
string ESP_IP = "";//ESP-32的IP
while (run)
{
switch (state)
{
case 0: //获取服务器IP
udp.UDP_Write("app", "255.255.255.255", 11068); //向ESP广播数据
udp.UDP_Read(out ESP_IP);
if (ESP_IP != "")
{
RunOnUiThread(() => { msg.Text = "发现设备：" + ESP_IP; });
state = 1;
}
break;
case 1: //尝试连接服务器
try
{
//RunOnUiThread(() => { start.Checked=false; });//取消自动停止采集，防止断线重连无法报警
RunOnUiThread(() => { connect.Checked = false; });
//client.TCP_Close_Client();
//client.TCP_Close_Stream();
client.TCP_Connect(ESP_IP, 11066, 11060);
RunOnUiThread(() => { msg.Text = "连接设备：" + ESP_IP; });
RunOnUiThread(() => { connect.Checked = true; });
state = 2;
}
catch
{
Thread.Sleep(500);
}
break;
case 2: //读取数据
try
{
TimeSpan ts = DateTime.Now - time_start;
if (ts.TotalSeconds >= 3) //每隔3秒查看一次
{
client.TCP_Write("app"); //发送数据验证服务器是否在线
time_start = DateTime.Now;
}
}
catch
{
RunOnUiThread(() => { msg.Text = "与服务器断开"; });
state = 0; //通讯有错误重新连接服务器
}
try
{
data = client.TCP_Read(4, 10); //10ms内接收4字节，字节内容为“XX.X”
if (data != "" && start.Checked)
{
y = Calibration(Convert.ToDouble(data), GlobalData.v_min, GlobalData.t_min, GlobalData.v_max, GlobalData.t_max);
RunOnUiThread(() => { view.Text = y.ToString("f1"); }); //文本显示温度值，一位小数点
try
{
series.Points.Add(new DataPoint(DateTimeAxis.ToDouble(DateTime.Now), y));
plotview.Model.InvalidatePlot(true);
}
catch
{
}
if (y >= GlobalData.warn_temp)
{
try
{
var duration = TimeSpan.FromSeconds(0.5);
Vibration.Vibrate(duration); //打开震动
r.Play(); //打开铃声
}
catch
{
// Feature not supported on device
}
}
else
{
try
{
Vibration.Cancel(); //关闭震动
r.Stop(); //关闭铃声
}
catch
{
// Feature not supported on device
}
}
}
}
catch
{
//RunOnUiThread(() => { msg.Text = e.Message; });
}
break;
default:
break;
}
Thread.Sleep(20);
}
})).Start();
}
