Quellcode hinzugefügt

ESP8266-Stromauslesen.ino

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+#include <ESP8266WiFi.h>
+#include <ESP8266WebServer.h>
+#include <ESP8266HTTPClient.h>
+#include <ArduinoOTA.h>
+
+#include "ph.h"
+
+int httpCode;
+int pos = 0;
+int datenpos = 0;
+
+bool lesen = false;
+
+ESP8266WebServer server(80);
+
+const byte beginn[] = { 0x1b, 0x1b, 0x1b, 0x1b, 0x01, 0x01, 0x01, 0x01 };
+const byte ende[] = { 0x1b, 0x1b, 0x1b, 0x1b, 0x1a };
+
+byte daten[512];
+
+double stand = 0;
+double leistung = 0;
+
+void setup() 
+{
+  Serial.begin(9600);
+
+  WiFi.begin(phSSID, phPasswort);
+
+  while(WiFi.status() != WL_CONNECTED)
+  {
+    delay(500);
+  }
+
+  ArduinoOTA.setHostname("tutorial");
+  ArduinoOTA.setPassword("12345");
+  ArduinoOTA.begin();
+
+  server.onNotFound([]()
+  {
+    server.send(404, "text/plain", "Die Seite wurde nicht gefunden!");
+  });
+
+  server.on("/", []()
+  {
+    server.send(200, "text/plain", "Mahlzeit und willkommen bei Projekt Hirnfrei");
+  });
+
+  server.begin();
+}
+
+void loop() 
+{
+  ArduinoOTA.handle();
+  
+  server.handleClient();
+
+  WiFiClient client;
+  HTTPClient http;
+
+  if(Serial.available() > 0)
+  {
+    byte input = Serial.read();
+
+    if(lesen)
+    {
+      daten[datenpos] = input;
+      datenpos++;
+
+      if(input == ende[pos])
+      {
+        pos++;
+
+        if(pos == sizeof(ende))
+        {
+          lesen = false;
+
+          pos = 0;
+
+          standLesen();
+          leistungLesen();
+
+          if(http.begin(client, "http://192.168.178.123:2280/speichern.php?wert="+String(stand)+";"+String(leistung)))
+          {
+            httpCode = http.GET();
+          }
+        }
+      }
+      else pos = 0;
+    }
+
+    if(!lesen)
+    {
+      if(input == beginn[pos])
+      {
+        pos++;
+  
+        if(pos == sizeof(beginn))
+        {
+          lesen = true;
+
+          pos = 0;
+        }
+      }
+      else pos = 0;
+    }
+  }
+}
+
+void standLesen()
+{
+  byte seq[] = { 0x01, 0x00, 0x01, 0x08, 0x00, 0xff };
+
+  int index = 0;
+
+  for(int i=0;i<sizeof(daten);i++)
+  {
+    if(daten[i] == seq[index])
+    {
+      index++;
+
+      if(index == sizeof(seq))
+      {
+        i += 8;
+
+        unsigned long s = ((long)daten[i+1] << 24 | (long)daten[i+2] << 16 | (long)daten[i+3] << 8 | (long)daten[i+4]);
+        stand = (double)s/10000;
+      }
+    }
+    else index = 0;
+  }
+}
+
+void leistungLesen()
+{
+  byte seq[] = { 0x01, 0x00, 0x10, 0x07, 0x00, 0xff };
+
+  int index = 0;
+
+  for(int i=0;i<sizeof(daten);i++)
+  {
+    if(daten[i] == seq[index])
+    {
+      index++;
+
+      if(index == sizeof(seq))
+      {
+        i += 7;
+
+        unsigned long s = ((long)daten[i+1] << 8 | (long)daten[i+2]);
+        leistung = (double)s/10;
+      }
+    }
+    else index = 0;
+  }
+}

Werte.txt

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+Zählerstand
+
+	7 1 0 1 8 0 ff
+	62 82 
+	1 
+	62 1e 
+	52 ff
+	55 12 fa d9 3f 
+	1 
+
+
+Leistung
+
+	7 1 0 10 7 0 ff
+	1 
+	1 
+	62 1b 
+	52 0 
+	53 a 8e 1