原創:局域網控制系統-上位機-PC機
C#程序代碼：html
1 using System; 2 using System.Collections.Generic; 3 using System.ComponentModel; 4 using System.Data; 5 using System.Drawing; 6 using System.Linq; 7 using System.Text; 8 using System.Windows.Forms; 9 using System.IO.Ports; 10 //using System.Threading; //用於多線程技術 11 12 namespace WindowsFormsApplication1 //C#再也不支持控件數組，也就意味不能靈活控制控件 13 { 14 public partial class Form1 : Form 15 { 16 const string deviceID = "03"; //用於串口通訊時，定義本地設備ID 17 const string datapackage_headflag = "A"; //用於串口通訊時，定義數據包頭部的驗證標記 18 19 20 //用來請求主線程的委託,利用delegat實現"請求主線程執行指定函數",因爲delegate在定義的時候就肯定了傳遞函數的參數，因此在須要傳遞不一樣函數給主線程的時候就須要定義多個delegate 21 public delegate void ChangeUI_1(String arg); //子線程不能操做UI，會致使程序崩毀，須要讓主線程操做UI 22 public delegate void ChangeUI_2(int[] arg); 23 public delegate void ChangeUI_3(String[] arg); 24 public delegate Boolean ChangeUI_4(); 25 26 //----------定時器控制指令的發送----------// 27 System.Timers.Timer timer_SendCMD = new System.Timers.Timer(1010); //設定定時器計時週期爲1000ms 28 29 //不斷獲取溫度傳感器值 30 public void GetTemperature(object source, System.Timers.ElapsedEventArgs e) 31 { 32 UART_send(uart_data_temperature_sensor0, 40); //建議獲取一次溫度值後產生40ms發送間隔 33 } 34 35 //----------固定發送數據包集----------// 36 const String uart_data_light0off = datapackage_headflag + deviceID + "_Ligt00Off_#"; 37 const String uart_data_light0on = datapackage_headflag + deviceID + "_Ligt00On__#"; 38 const String uart_data_light1off = datapackage_headflag + deviceID + "_Ligt01Off_#"; 39 const String uart_data_light1on = datapackage_headflag + deviceID + "_Ligt01On__#"; 40 const String uart_data_light2off = datapackage_headflag + deviceID + "_Ligt02Off_#"; 41 const String uart_data_light2on = datapackage_headflag + deviceID + "_Ligt02On__#"; 42 const String uart_data_temperature_sensor0 = datapackage_headflag + deviceID + "_SenT00____#"; 43 const String uart_data_try = datapackage_headflag + deviceID + "_Try!______#"; 44 //----------通訊監測----------// 45 Boolean NeedToCheckUART = false; 46 Boolean heartbeat = false; //心跳包（用來協助監測通訊是否斷開） 47 System.Timers.Timer timer_UARTMonitor = new System.Timers.Timer(2000); 48 public void CheckUART(object source, System.Timers.ElapsedEventArgs e) 49 { 50 if (NeedToCheckUART) //檢查通訊狀態 51 { 52 NeedToCheckUART = false; 53 if (heartbeat) 54 { 55 heartbeat = false; 56 } 57 else 58 { 59 this.Invoke(new ChangeUI_4(CloseUART)); 60 this.Invoke(new ChangeUI_1(UpdateNotice), "已斷開鏈接！沒有接收到心跳包！"); 61 } 62 } 63 else 64 { 65 NeedToCheckUART = true; 66 //請求接收者反饋心跳包,以確認鏈接是否出現異常 67 UART_send(uart_data_try,25); 68 } 69 } 70 //----------產生髮送數據的間隔----------// 71 Boolean SendCMD_WaitFlag = false; 72 void SetSendCMD_Interval(uint Interval) 73 { 74 System.Timers.Timer timer_SetSendCMD_Interval = new System.Timers.Timer(Interval); 75 timer_SetSendCMD_Interval.Elapsed += new System.Timers.ElapsedEventHandler(Erase_SendCMD_WaitFlag); 76 timer_SetSendCMD_Interval.AutoReset = false; 77 timer_SetSendCMD_Interval.Start(); 78 } 79 public void Erase_SendCMD_WaitFlag(object source, System.Timers.ElapsedEventArgs e) 80 { 81 SendCMD_WaitFlag = false; 82 } 83 //----------溫度指示----------// 84 int[] TemperatureSensor = new int[4]; 85 int UpLimit_1 = 301, //300=30℃ 86 DownLimit_1 = 100, 87 UpLimit_2 = 300, 88 DownLimit_2 = 100, 89 UpLimit_3 = 300, 90 DownLimit_3 = 100, 91 UpLimit_4 = 300, 92 DownLimit_4 = 100; 93 SolidBrush brush1, 94 brush2; 95 Graphics g1, 96 g2, 97 g3, 98 g4, 99 g5, 100 g6, 101 g7, 102 g8; 103 //------------------------------------// 104 public Form1() 105 { 106 InitializeComponent(); 107 108 } 109 110 private void Form1_Load(object sender, EventArgs e) 111 { 112 /*--------串口通訊監測---------*/ 113 timer_UARTMonitor.Elapsed += new System.Timers.ElapsedEventHandler(CheckUART); // 添加定時器計時滿一個週期的後要執行的函數； 114 timer_UARTMonitor.AutoReset = true; //設置定時器是否啓動自動復位，true意味着定時器一旦啓動，若是沒有手動關閉，則定時器會不斷週期性執行任務，false意味着啓動定時器後，到達週期時間值，執行一次任務，而後自動關閉定時器 115 //----------定時器控制指令的發送----------// 116 timer_SendCMD.Elapsed += new System.Timers.ElapsedEventHandler(GetTemperature); 117 timer_SendCMD.AutoReset = true; 118 /*----------串口通訊接口設置----------*/ 119 cmb_SerialPort.SelectedIndex = 0; 120 cmb_BaudRate.SelectedIndex = 1; 121 cmb_Parity.SelectedIndex = 0; 122 cmb_DataBit.SelectedIndex = 0; 123 cmb_StopBit.SelectedIndex = 0; 124 btn_Send.Enabled = false; 125 btn_UpdataReceive.Text = "關閉更新串口數據"; 126 127 //溫度警報指示 128 brush1 = new SolidBrush(Color.Red); 129 brush2 = new SolidBrush(Color.Green); 130 g1 = this.pictureBox1.CreateGraphics(); 131 g2 = this.pictureBox2.CreateGraphics(); 132 g3 = this.pictureBox3.CreateGraphics(); 133 g4 = this.pictureBox4.CreateGraphics(); 134 g5 = this.pictureBox5.CreateGraphics(); 135 g6 = this.pictureBox6.CreateGraphics(); 136 g7 = this.pictureBox7.CreateGraphics(); 137 g8 = this.pictureBox8.CreateGraphics(); 138 139 //溫度上下限文本框初始化 140 textBox1.Text = Convert.ToString((float)(UpLimit_1)/10); 141 textBox2.Text = Convert.ToString((float)(DownLimit_1)/10); 142 textBox4.Text = Convert.ToString((float)(UpLimit_2)/10); 143 textBox3.Text = Convert.ToString((float)(DownLimit_2)/10); 144 textBox6.Text = Convert.ToString((float)(UpLimit_3)/10); 145 textBox5.Text = Convert.ToString((float)(DownLimit_3)/10); 146 textBox8.Text = Convert.ToString((float)(UpLimit_4)/10); 147 textBox7.Text = Convert.ToString((float)(DownLimit_4)/10); 148 149 } 150 151 /*----------串口通訊接口設置----------*/ 152 /* 153 客戶端數據包格式解釋(長度恆爲15): 154 例如:A01_fmq_01Off___# 155 A--------數據包的開始標記(能夠爲A到Z,意味着數據包能夠有26種) 156 01-----設備代號 157 fmq_01Off___--------指令(長度恆爲10)，指令的前4我的字符是指令頭部，指令的後6個字符是指令尾部 158 #---------數據包的結束標記 159 160 服務器端數據包格式解釋(長度恆爲15): 161 例如:A02_SenT010250# 162 A--------數據包的開始標記(能夠爲A到Z,意味着數據包能夠有26種) 163 02-----設備代號 164 SenT010250--------指令(長度恆爲10)，指令的前4我的字符是指令頭部，指令的後6個字符是指令尾部 165 #---------數據包的結束標記 166 */ 167 SerialPort com = new SerialPort("COM2", 9600, Parity.None, 8, StopBits.One); 168 //串口打開與關閉 169 public Boolean CloseUART() 170 { 171 timer_UARTMonitor.Stop(); //中止定時器監測通訊狀態 172 timer_SendCMD.Stop(); //中止定時器控制指令的定時發送 173 try 174 { 175 com.Close(); //關閉串口 176 btn_OpenSerial.Text = "打開串口"; 177 lab_Status.Text = "未鏈接！"; 178 btn_Send.Enabled = false; 179 return true; 180 } 181 catch 182 { 183 return false; 184 } 185 } 186 //處理接收數據包函數(成功處理數據包則返回true，不然返回false) 187 public Boolean Deal_UART_RecData(String ReceStr) 188 { 189 if (ReceStr.Length == 15) //數據包長度爲15 190 { 191 if ((ReceStr.Substring(0, 1) == datapackage_headflag) && (ReceStr.Substring(14, 1) == "#")) //數據包頭尾標記驗證 192 { 193 switch (ReceStr.Substring(1, 1)) //識別發送者設備ID的第1位數字 194 { 195 case "0": 196 switch (ReceStr.Substring(2, 1)) //識別發送者設備ID的第2位數字 197 { 198 case "0": 199 200 return false; 201 case "1": 202 203 return false; 204 case "2": 205 //----------指令分析-----------// 206 switch (ReceStr.Substring(4, 4)) //對指令頭部進行分析(4個字符) 207 { 208 case "SenT": 209 //對指令尾部進行分析(6個字符) 210 int[] temp = new int[2]; 211 try 212 { 213 temp[0] = int.Parse(ReceStr.Substring(8, 2)); 214 temp[1] = int.Parse(ReceStr.Substring(10, 4)); 215 TemperatureSensor[temp[0]] = temp[1]; 216 this.Invoke(new ChangeUI_2(UpdateSenT), temp); 217 return true; 218 } 219 catch 220 { 221 this.Invoke(new ChangeUI_1(UpdateNotice), "接收的指令:指令尾部異常"); 222 return false; 223 } 224 case "Beat": 225 heartbeat = true; 226 return true; 227 default: 228 this.Invoke(new ChangeUI_1(UpdateNotice), "接收的指令:指令頭部異常"); 229 return false; 230 } 231 default: 232 this.Invoke(new ChangeUI_1(UpdateNotice), "接收的數據包:設備ID異常"); 233 return false; 234 } 235 default: 236 this.Invoke(new ChangeUI_1(UpdateNotice), "接收的數據包:設備ID異常"); 237 return false; 238 } 239 } 240 else 241 { 242 this.Invoke(new ChangeUI_1(UpdateNotice), "接收的數據包:頭尾部驗證異常"); 243 return false; 244 } 245 } 246 else 247 { 248 this.Invoke(new ChangeUI_1(UpdateNotice), "接收的數據包:長度異常"); 249 return false; 250 } 251 } 252 //打開或關閉串口按鈕 253 private void btn_OpenSerial_Click(object sender, EventArgs e) 254 { 255 if (btn_OpenSerial.Text == "打開串口") 256 { 257 try 258 { 259 if (!com.IsOpen) 260 { 261 com.PortName = cmb_SerialPort.Text; 262 com.BaudRate = int.Parse(cmb_BaudRate.Text); 263 com.DataBits = int.Parse(cmb_DataBit.Text); 264 switch (cmb_StopBit.SelectedIndex) 265 { 266 case 0: 267 com.StopBits = StopBits.One; break; 268 case 1: 269 com.StopBits = StopBits.Two; break; 270 case 2: 271 com.StopBits = StopBits.OnePointFive; break; 272 case 3: 273 com.StopBits = StopBits.None; break; 274 } 275 switch (cmb_Parity.SelectedIndex) 276 { 277 case 0: com.Parity = Parity.None; break; 278 case 1: com.Parity = Parity.Odd; break; 279 case 2: com.Parity = Parity.Even; break; 280 } 281 com.Open();//打開串口 282 lab_Status.Text = "已鏈接！"; 283 } 284 btn_OpenSerial.Text = "關閉串口"; 285 btn_Send.Enabled = true; 286 287 //串口鏈接成功後進行初始化 288 NeedToCheckUART = false; 289 heartbeat = false; 290 timer_SendCMD.Start(); //每隔一段時間獲取一次溫度值數據 291 timer_UARTMonitor.Start(); //啓動定時器監測通訊狀態 292 293 try 294 { 295 //給串口添加接收中斷函數（串口中斷函數在沒有被執行的時候，也就是串口接收處理空閒的時候，系統會不斷監測接收緩衝區是否有數據存在，若是有，則執行中斷函數） 296 com.DataReceived += new SerialDataReceivedEventHandler(com_DataReceived); 297 } 298 catch (Exception err) 299 { 300 lab_Status.Text = err.ToString(); 301 } 302 303 } 304 catch 305 { 306 lab_Status.Text = "串口打開錯誤"; 307 } 308 } 309 else //關閉串口 310 { 311 CloseUART(); 312 } 313 } 314 //串口接收中斷函數(注意：不要出現數據包被分割，致使通訊異常；數據包之間間隔時間不能過短) 315 private void com_DataReceived(object sender, System.IO.Ports.SerialDataReceivedEventArgs e) 316 { 317 System.Threading.Thread.Sleep(30); //讓當前線程睡眠30ms，由於須要保證數據包完整接收到了（在執行中斷函數並獲取接收緩衝區接收到的字節數時，假如數據包尚未徹底被接收完，這時數據包就會出現被「分割」），再去判斷接收緩衝區接收到的字節數，才能保證正常通訊 318 int count = com.BytesToRead; //獲取接收緩衝區接收到的字節數 319 byte[] readBuffer = new byte[count]; 320 com.Read(readBuffer, 0, count); 321 String strReceive = Encoding.Default.GetString(readBuffer); //將ASCLL碼 映射成 字符 322 //String strReceive = getStringFromBytes(readBuffer); //將ASCLL碼 轉換成 字符串 323 this.Invoke(new ChangeUI_1(AddMessage), strReceive); //嘗試更新接收數據框 324 //this.Invoke(new ChangeUI_1(UpdateNotice), strReceive.Length.ToString()); //此行代碼用於測試數據包是否出現被分割 325 326 //下面對接收到的數據包(strReceive)進行分析，根據狀況執行相應事件 327 if (Deal_UART_RecData(strReceive)) 328 { 329 this.Invoke(new ChangeUI_1(UpdateNotice), "處理接收的數據包成功!"); 330 } 331 332 } 333 //子線程請求主線程要執行的子函數,當發生屢次請求時，主線程會分時執行函數（之因此要請求主線程是由於涉及到UI操做，子線程不能操做UI，不然致使程序崩毀） 334 public void UpdateSenT(int[] arg) 335 { 336 Int16 graphy_width = 44; 337 Int16 graphy_heigth = 21; 338 switch (arg[0]) 339 { 340 case 0: 341 if (arg[1] == 9999) 342 { 343 label6.Text = "不工做"; 344 return; 345 } 346 if (arg[1] < 0) 347 { 348 label6.Text = (arg[1] / 10).ToString() + "." + ((arg[1] % 10)*(-1)).ToString() + "℃"; 349 } 350 else 351 { 352 label6.Text = "+"+(arg[1] / 10).ToString() + "." + (arg[1] % 10).ToString() + "℃"; 353 } 354 if (TemperatureSensor[arg[0]] > UpLimit_1) 355 { 356 g1.FillRectangle(brush1, 0, 0, graphy_width, graphy_heigth); 357 g2.FillRectangle(brush2, 0, 0, graphy_width, graphy_heigth); 358 } 359 else if (TemperatureSensor[arg[0]] < DownLimit_1) 360 { 361 g2.FillRectangle(brush1, 0, 0, graphy_width, graphy_heigth); 362 g1.FillRectangle(brush2, 0, 0, graphy_width, graphy_heigth); 363 } 364 else 365 { 366 g1.FillRectangle(brush2, 0, 0, graphy_width, graphy_heigth); 367 g2.FillRectangle(brush2, 0, 0, graphy_width, graphy_heigth); 368 } 369 break; 370 case 1: 371 if (arg[1] == 9999) 372 { 373 label7.Text = "不工做"; 374 return; 375 } 376 if (arg[1] < 0) 377 { 378 label7.Text = (arg[1] / 10).ToString() + "." + ((arg[1] % 10)*(-1)).ToString() + "℃"; 379 } 380 else 381 { 382 label7.Text = "+"+(arg[1] / 10).ToString() + "." + (arg[1] % 10).ToString() + "℃"; 383 } 384 if (TemperatureSensor[arg[0]] > UpLimit_2) 385 { 386 g4.FillRectangle(brush1, 0, 0, graphy_width, graphy_heigth); 387 g3.FillRectangle(brush2, 0, 0, graphy_width, graphy_heigth); 388 } 389 else if (TemperatureSensor[arg[0]] < DownLimit_2) 390 { 391 g3.FillRectangle(brush1, 0, 0, graphy_width, graphy_heigth); 392 g4.FillRectangle(brush2, 0, 0, graphy_width, graphy_heigth); 393 } 394 else 395 { 396 g3.FillRectangle(brush2, 0, 0, graphy_width, graphy_heigth); 397 g4.FillRectangle(brush2, 0, 0, graphy_width, graphy_heigth); 398 } 399 break; 400 case 2: 401 if (arg[1] == 9999) 402 { 403 label8.Text = "不工做"; 404 return; 405 } 406 if (arg[1] < 0) 407 { 408 label8.Text = (arg[1] / 10).ToString() + "." + ((arg[1] % 10) * (-1)).ToString() + "℃"; 409 } 410 else 411 { 412 label8.Text = "+" + (arg[1] / 10).ToString() + "." + (arg[1] % 10).ToString() + "℃"; 413 } 414 if (TemperatureSensor[arg[0]] > UpLimit_3) 415 { 416 g6.FillRectangle(brush1, 0, 0, graphy_width, graphy_heigth); 417 g5.FillRectangle(brush2, 0, 0, graphy_width, graphy_heigth); 418 } 419 else if (TemperatureSensor[arg[0]] < DownLimit_3) 420 { 421 g5.FillRectangle(brush1, 0, 0, graphy_width, graphy_heigth); 422 g6.FillRectangle(brush2, 0, 0, graphy_width, graphy_heigth); 423 } 424 else 425 { 426 g6.FillRectangle(brush2, 0, 0, graphy_width, graphy_heigth); 427 g5.FillRectangle(brush2, 0, 0, graphy_width, graphy_heigth); 428 } 429 break; 430 case 3: 431 if (arg[1] == 9999) 432 { 433 label9.Text = "不工做"; 434 return; 435 } 436 if (arg[1] < 0) 437 { 438 label9.Text = (arg[1] / 10).ToString() + "." + ((arg[1] % 10) * (-1)).ToString() + "℃"; 439 } 440 else 441 { 442 label9.Text = "+" + (arg[1] / 10).ToString() + "." + (arg[1] % 10).ToString() + "℃"; 443 } 444 if (TemperatureSensor[arg[0]] > UpLimit_4) 445 { 446 g8.FillRectangle(brush1, 0, 0, graphy_width, graphy_heigth); 447 g7.FillRectangle(brush2, 0, 0, graphy_width, graphy_heigth); 448 } 449 else if (TemperatureSensor[arg[0]] < DownLimit_4) 450 { 451 g7.FillRectangle(brush1, 0, 0, graphy_width, graphy_heigth); 452 g8.FillRectangle(brush2, 0, 0, graphy_width, graphy_heigth); 453 } 454 else 455 { 456 g7.FillRectangle(brush2, 0, 0, graphy_width, graphy_heigth); 457 g8.FillRectangle(brush2, 0, 0, graphy_width, graphy_heigth); 458 } 459 break; 460 default: 461 lab_Information.Text = "接收的指令:指令尾部異常"; 462 break; 463 } 464 } 465 public void AddMessage(string arg) 466 { 467 //處理接受的字符串，添加到接收文本框中 468 if (btn_UpdataReceive.Text == "關閉更新串口數據") 469 { 470 txt_Receive.Text += arg; 471 } 472 } 473 public void UpdateNotice(string arg) 474 { 475 lab_Information.Text = arg; 476 } 477 //啓動串口發送數據 478 private Boolean UART_send(String str,uint MinInterval) //0xFFFFFFFF=4294967295 479 { 480 while (SendCMD_WaitFlag) ; //等待結束上一次發送數據所要求的間隔，以保證每次發送出去的數據包都能被正確接收處理 481 SendCMD_WaitFlag = true; 482 try 483 { 484 //byte[] data = getBytesFromString(str1); //將數字形式的字符串 轉換成 ASCLL碼 485 byte[] data = System.Text.Encoding.ASCII.GetBytes(str); //將字符 映射成 ASCLL碼 486 com.Write(data, 0, data.Length); 487 SetSendCMD_Interval(MinInterval); 488 try 489 { 490 lab_Information.Text = "發送指令成功!"; 491 } 492 catch { } 493 return true; 494 } 495 catch 496 { 497 SendCMD_WaitFlag = false; 498 try 499 { 500 lab_Information.Text = "發送指令失敗!"; 501 } 502 catch { } 503 return false; 504 } 505 506 } 507 508 //串口自定義發送 509 private void btn_Send_Click(object sender, EventArgs e) 510 { 511 if (!UART_send(txt_Send.Text,30)) 512 { 513 lab_Information.Text = "串口發送失敗"; 514 } 515 } 516 //將ASCLL碼映射成字符 517 public static string getStringFromBytes(byte[] pByte) 518 { 519 string str = ""; //定義字符串類型臨時變量。 520 //遍歷字節數組，把每一個字節轉換成十六進制字符串，不足兩位前面添「0」，以空格分隔累加到字符串變量裏。 521 for (int i = 0; i < pByte.Length; i++) 522 str += (pByte[i].ToString("X").PadLeft(2, '0') + " "); 523 str = str.TrimEnd(' '); //去掉字符串末尾的空格。 524 return str; //返回字符串 525 } 526 //將字符串轉換成ASCLL碼 527 public static byte[] getBytesFromString(string pString) 528 { 529 string[] str = pString.Split(' '); //把字符串按其中的空格字符爲分隔標誌，得出一組字符串數組。 530 byte[] bytes = new byte[str.Length]; //定義字節數組並初始化，長度爲字符串數組的長度。 531 for (int i = 0; i < str.Length; i++) //遍歷字符串數組，把每一個字符串轉換成字節類型賦值給每一個字節變量。 532 bytes[i] = Convert.ToByte(Convert.ToInt32(str[i], 16)); 533 return bytes; //返回字節數組。 534 } 535 //是否更新串口數據按鈕 536 private void btn_UpdataReceive_Click(object sender, EventArgs e) 537 { 538 if (btn_UpdataReceive.Text == "關閉更新串口數據") 539 { 540 btn_UpdataReceive.Text = "打開更新串口數據"; 541 } 542 else 543 { 544 btn_UpdataReceive.Text = "關閉更新串口數據"; 545 } 546 } 547 //清空接收區 548 private void btn_ClearReceive_Click_1(object sender, EventArgs e) 549 { 550 551 txt_Receive.Text = ""; 552 } 553 //---------設置上下限溫度值按鈕---------// 554 private void button1_Click(object sender, EventArgs e) 555 { 556 try 557 { 558 UpLimit_1 = (int)(float.Parse(textBox1.Text.ToString())*10); 559 DownLimit_1 = (int)(float.Parse(textBox2.Text.ToString()) * 10); 560 lab_Information.Text = "設置溫度上下限成功"; 561 } 562 catch 563 { 564 lab_Information.Text = "請輸入正確格式的數據"; 565 } 566 } 567 private void button2_Click(object sender, EventArgs e) 568 { 569 try 570 { 571 UpLimit_2 = (int)(float.Parse(textBox4.Text.ToString())*10); 572 DownLimit_2 = (int)(float.Parse(textBox3.Text.ToString())*10); 573 lab_Information.Text = "設置溫度上下限成功"; 574 } 575 catch 576 { 577 lab_Information.Text = "請輸入正確格式的數據"; 578 } 579 } 580 private void button3_Click(object sender, EventArgs e) 581 { 582 try 583 { 584 UpLimit_3 = (int)(float.Parse(textBox6.Text.ToString()) * 10); 585 DownLimit_3 = (int)(float.Parse(textBox5.Text.ToString()) * 10); 586 lab_Information.Text = "設置溫度上下限成功"; 587 } 588 catch 589 { 590 lab_Information.Text = "請輸入正確格式的數據"; 591 } 592 } 593 private void button4_Click(object sender, EventArgs e) 594 { 595 try 596 { 597 UpLimit_4 = (int)(float.Parse(textBox8.Text.ToString()) * 10); 598 DownLimit_4 = (int)(float.Parse(textBox7.Text.ToString()) * 10); 599 lab_Information.Text = "設置溫度上下限成功"; 600 } 601 catch 602 { 603 lab_Information.Text = "請輸入正確格式的數據"; 604 } 605 } 606 607 //----------------燈光控制----------------// 608 private void btn_light_0_Click(object sender, EventArgs e) 609 { 610 if (btn_light_0.Text == "關") 611 { 612 if (UART_send(uart_data_light0off,2)) 613 { 614 btn_light_0.Text = "開"; 615 } 616 617 } 618 else 619 { 620 if (UART_send(uart_data_light0on,2)) 621 { 622 btn_light_0.Text = "關"; 623 } 624 } 625 } 626 627 private void btn_light_1_Click(object sender, EventArgs e) 628 { 629 if (btn_light_1.Text == "關") 630 { 631 if (UART_send(uart_data_light1off,2)) 632 { 633 btn_light_1.Text = "開"; 634 } 635 636 } 637 else 638 { 639 if (UART_send(uart_data_light1on,2)) 640 { 641 btn_light_1.Text = "關"; 642 } 643 } 644 } 645 646 private void btn_light_2_Click(object sender, EventArgs e) 647 { 648 if (btn_light_2.Text == "關") 649 { 650 if (UART_send(uart_data_light2off,2)) 651 { 652 btn_light_2.Text = "開"; 653 } 654 655 } 656 else 657 { 658 if (UART_send(uart_data_light2on,2)) 659 { 660 btn_light_2.Text = "關"; 661 } 662 } 663 } 664 665 } 666 }
單片機經過串口通訊直接跟PC鏈接，PC控制單片機，以下圖所示：數組
注意：在單片機跟PC進行串口通訊的時候，記得把ESP8266給拆下，否則因其干擾而致使通訊失敗（共用一個串口接口確定會互相干擾啦）。服務器
想要完整工程文件或疑問能夠私聊我~多線程
請另外觀看項目的2個部分：函數
1）局域網控制系統-下位機-單片機測試
2）局域網控制系統-上位機-Android手機ui
尊重做者的勞動，轉載請記得註明來源：http://www.cnblogs.com/weifeng727/p/5618142.htmlthis
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