old codes

2025-12-19 11:50:13 +03:30
parent 735258f6ec
commit 66a02f4584
15 changed files with 5446 additions and 0 deletions
--- a/old/newWifi/newWifi.ino
+++ b/old/newWifi/newWifi.ino
@@ -0,0 +1,156 @@
+#include <SoftwareSerial.h>
+
+SoftwareSerial esp8266(4, 5); // RX, TX
+
+// صفحه پیش‌فرض HTML
+const char* HTML_PAGE = "<!DOCTYPE html><html><body><h2>Hello from ESP8266</h2></body></html>";
+
+void setup() {
+  Serial.begin(9600);
+  esp8266.begin(9600);
+
+  delay(2000); // آماده‌سازی ESP
+
+  // تنظیمات اولیه ESP8266
+  sendCommand("AT", "OK", 2000);
+  sendCommand("ATE0", "OK", 2000);              
+  sendCommand("AT+CWMODE=2", "OK", 2000);       
+  sendCommand("AT+CWSAP=\"ESP8266_AP\",\"12345678\",1,0", "OK", 5000); 
+  sendCommand("AT+CIPMUX=1", "OK", 3000);       
+  sendCommand("AT+CIPSERVER=1,80", "OK", 3000); 
+
+  Serial.println(F("ESP8266 Ready. Connect to SSID: ESP8266_AP, Pass: 12345678"));
+  Serial.println(F("Then open http://192.168.4.1/ in your browser"));
+}
+
+void loop() {
+  if (esp8266.available()) {
+    String line = esp8266.readStringUntil('\n');
+    line.trim();
+    if (line.length() == 0) return;
+
+    Serial.println("[ESP8266] " + line);
+
+    if (line.startsWith("+IPD,")) {
+      int len = 0;
+      int linkId = parseIPDLine(line, len);
+      if (linkId < 0) {
+        Serial.println("Failed to parse IPD line.");
+        return;
+      }
+
+      drainPayload(len);
+
+      // فراخوانی تابع پردازش و ارسال پاسخ
+      processAndSend(linkId, line);
+    }
+  }
+}
+
+// =================== توابع کمکی ===================
+
+// تابع پردازش داده و ارسال پاسخ به کلاینت
+void processAndSend(int linkId, const String &requestLine) {
+  String html;
+
+  // بررسی پارامتر صفحه در URL
+  if (requestLine.indexOf("GET /?page=") != -1) {
+    int start = requestLine.indexOf("GET /?page=") + 10;
+    int end = requestLine.indexOf(" ", start);
+    int pageNum = requestLine.substring(start, end).toInt();
+
+    switch (pageNum) {
+      case 1:
+        html = "<!DOCTYPE html><html><body><h2>صفحه ۱</h2></body></html>";
+        break;
+      case 2:
+        html = "<!DOCTYPE html><html><body><h2>صفحه ۲</h2></body></html>";
+        break;
+      case 3:
+        html = "<!DOCTYPE html><html><body><h2>صفحه ۳</h2></body></html>";
+        break;
+      default:
+        html = "<!DOCTYPE html><html><body><h2>صفحه پیش‌فرض</h2></body></html>";
+        break;
+    }
+  } else {
+    html = HTML_PAGE; // صفحه پیش‌فرض
+  }
+
+  // ساخت پاسخ HTTP
+  String response = "HTTP/1.1 200 OK\r\n";
+  response += "Content-Type: text/html\r\n";
+  response += "Content-Length: " + String(html.length()) + "\r\n";
+  response += "Connection: close\r\n\r\n";
+  response += html;
+
+  // ارسال پاسخ
+  String cmd = "AT+CIPSEND=" + String(linkId) + "," + String(response.length());
+  if (sendCommand(cmd, ">", 5000)) {
+    esp8266.print(response);
+
+    if (waitFor("SEND OK", 5000)) {
+      Serial.println("Response sent to client.");
+    } else {
+      Serial.println("SEND OK not received (timeout).");
+    }
+  } else {
+    Serial.println("CIPSEND prompt not received (timeout).");
+  }
+
+  // بستن کانکشن
+  String closeCmd = "AT+CIPCLOSE=" + String(linkId);
+  sendCommand(closeCmd, "OK", 2000);
+}
+
+// استخراج linkId و len از خط +IPD
+int parseIPDLine(const String& line, int &lenOut) {
+  int ipdPos = line.indexOf("+IPD,");
+  if (ipdPos == -1) return -1;
+
+  int firstComma  = line.indexOf(',', ipdPos + 4);
+  int secondComma = line.indexOf(',', firstComma + 1);
+  if (firstComma == -1 || secondComma == -1) return -1;
+
+  int colon = line.indexOf(':', secondComma + 1);
+  if (colon == -1) {
+    lenOut = line.substring(secondComma + 1).toInt();
+    return line.substring(ipdPos + 4, firstComma).toInt();
+  } else {
+    lenOut = line.substring(firstComma + 1, secondComma).toInt();
+    return line.substring(ipdPos + 4, firstComma).toInt();
+  }
+}
+
+// پاک‌سازی payload بعد از +IPD
+void drainPayload(int len) {
+  unsigned long t0 = millis();
+  int remaining = len;
+  while (millis() - t0 < 1000 && remaining > 0) {
+    if (esp8266.available()) {
+      esp8266.read();
+      remaining--;
+    }
+  }
+}
+
+// ارسال فرمان AT و انتظار ACK
+bool sendCommand(const String& cmd, const char* ack, unsigned long timeout) {
+  esp8266.println(cmd);
+  return waitFor(ack, timeout);
+}
+
+// منتظر بودن برای وجود یک ACK/کلمه کلیدی تا مهلت معین
+bool waitFor(const char* target, unsigned long timeout) {
+  unsigned long start = millis();
+  String buffer = "";
+  while (millis() - start < timeout) {
+    while (esp8266.available()) {
+      char c = esp8266.read();
+      buffer += c;
+      if (buffer.indexOf(target) != -1) return true;
+    }
+  }
+  Serial.print("Timeout waiting for: "); Serial.println(target);
+  return false;
+}