initial

WiModbusGateway.cpp

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+#include <SPI.h>
+#include <WiFi.h>
+
+#include "Metro.h"
+#include "Mudbus.h"
+#include "LiquidCrystal.h"
+#include "ModbusApp.h"
+
+
+
+
+
+LiquidCrystal lcd = LiquidCrystal(A0, A1, A2, A3, A4, A5);
+
+Mudbus Mb;
+
+
+
+//char ssid[] = "Kinderland";      // your network SSID (name)
+//char pass[] = "test1234";   // your network password
+char ssid[] = "MessWLAN";
+char pass[] = "UNVmpwbr6heQnMQ7ykXT";
+
+Metro tick = Metro(10000);
+Metro second = Metro(1000);
+uint32_t *uptime;
+
+void printWifiStatus() {
+  // print the SSID of the network you're attached to:
+  Serial.print("SSID: ");
+  Serial.println(WiFi.SSID());
+
+  // print your WiFi shield's IP address:
+  IPAddress ip = WiFi.localIP();
+  Serial.print("IP Address: ");
+  Serial.println(ip);
+  lcd.setCursor(0, 3);
+  lcd.print(ip); lcd.print("  ");
+
+  // print the received signal strength:
+  long rssi = WiFi.RSSI();
+  Serial.print("signal strength (RSSI):");
+  Serial.print(rssi);
+  Serial.println(" dBm");
+  lcd.print(rssi);
+}
+
+void setup() {
+  Serial.begin(9600);
+  while (!Serial) {
+    ; // wait for serial port to connect. Needed for Leonardo only
+  }
+
+  lcd.begin(20, 4);
+
+  Serial.println("Starting ... ");
+  lcd.clear();
+  lcd.home();
+  lcd.print("Starting ...");
+
+
+
+  // check for the presence of the shield:
+  if (WiFi.status() == WL_NO_SHIELD) {
+    Serial.println("WiFi shield not present");
+    lcd.setCursor(0, 1);
+    lcd.print("WiFi shield not present");
+    // don't continue:
+    while(true);
+  }
+
+  int status = WL_IDLE_STATUS;
+  while ( status != WL_CONNECTED) {
+    Serial.print("Attempting to connect to SSID: ");
+    Serial.println(ssid);
+    lcd.setCursor(0, 1);
+    lcd.print("Trying: ");
+    lcd.print(ssid);
+    // Connect to WPA/WPA2 network. Change this line if using open or WEP network:
+    status = WiFi.begin(ssid, pass);
+
+    // wait 10 seconds for connection:
+    delay(10000);
+  }
+  Serial.println("Connected.");
+  lcd.setCursor(0, 2);
+  lcd.print("Connected.");
+
+  printWifiStatus();
+
+
+  delay(10000);
+  lcd.home();
+  lcd.clear();
+
+  uptime = (uint32_t*) &(Mb.R[121]); // uptime
+  *uptime = 0;
+
+  Mb.R[123] = 0xdead; // magic
+  Mb.R[124] = 0xbeef;
+
+
+  modbusAppBegin(&Mb);
+}
+
+
+void updateDisplay() {
+  static uint32_t lastUptime = 0;
+  static long lastRssi = 0;
+
+  long rssi = WiFi.RSSI();
+
+  if ((*uptime != lastUptime) ||
+      (rssi != lastRssi)) {
+    lastUptime = *uptime;
+    lastRssi = rssi;
+    lcd.home(); lcd.clear();
+
+    uint32_t days = *uptime / 86400;
+    uint32_t rem = *uptime % 86400;
+    uint32_t hours = rem / 3600;
+    rem = rem % 3600;
+    uint32_t minutes = rem / 60;
+    uint32_t seconds = rem % 60;
+    lcd.setCursor(0,0);
+    lcd.print(days); lcd.print("d "); lcd.print(hours); lcd.print(":");
+    lcd.print(minutes); lcd.print(":"); lcd.print(seconds); lcd.print(" ");
+
+    lcd.print(rssi);
+
+    lcd.setCursor(0, 1);
+    lcd.print(getVoltage()); lcd.print("V");
+    lcd.setCursor(10, 1);
+    lcd.print(getCurrent()); lcd.print("A");
+    lcd.setCursor(0, 2);
+    lcd.print(getFrequency()); lcd.print("Hz");
+    lcd.setCursor(10, 2);
+    lcd.print(getPower()); lcd.print("W");
+    lcd.setCursor(0, 3);
+    lcd.print(getEnergy()); lcd.print(" "); lcd.print(getNewEnergy());
+    lcd.setCursor(17, 3);
+    lcd.print("kWh");
+  }
+}
+
+void loop() {
+  modbusAppExec();
+  Mb.Run();
+
+  if (second.check() == 1) {
+    (*uptime)++;
+  }
+
+  updateDisplay();
+}
+
+