initial commit

Arduino/Arduino.ino

@@ -0,0 +1,95 @@
+#include <SoftwareSerial.h>
+#include "SIM800L.h"
+
+#define SIM800_RX_PIN 10
+#define SIM800_TX_PIN 11
+#define SIM800_RST_PIN 7
+
+SIM800L* sim800l;
+
+const char APN[] = "TM";
+String BASE_URL = "http://2.238.194.8/index.php?";
+//String BASE_URL = "https://postman-echo.com/get?";
+
+String s = "";
+char URL[100];
+
+
+int anemometerPin = 6;
+int anemometerVal = 0;
+int anemometerState = 0;
+unsigned long anemometerDuration = 0;
+unsigned long startime = 0;
+unsigned long timer = 0;
+int windSpeed = 0;
+
+int northPin = 4;
+int eastPin = 5;
+int southPin = 2;
+int westPin = 3;
+
+int timerLimit = 3000;//300000; // 5 minutes
+
+bool printSensorsData = true;
+
+String windDirection = "";
+
+
+
+void setup() {
+  // Initialize Serial Monitor for debugging
+  Serial.begin(115200);
+  while(!Serial);
+
+  // Initialize a SoftwareSerial
+  SoftwareSerial* serial = new SoftwareSerial(SIM800_RX_PIN, SIM800_TX_PIN);
+  serial->begin(9600);
+  delay(1000);
+
+  // Initialize SIM800L driver with an internal buffer of 200 bytes and a reception buffer of 512 bytes, debug disabled
+  sim800l = new SIM800L((Stream *)serial, SIM800_RST_PIN, 200, 512);
+
+  // Setup module for GPRS communication
+  setupModule();
+}
+
+void loop() {
+
+  windDirection = "";
+  anemometerVal = digitalRead(anemometerPin);
+  
+  if ((anemometerState == 1) && (anemometerVal == 0)) {
+    anemometerDuration = millis() - startime;
+    startime = millis();
+    windSpeed = 2500.0/anemometerDuration;
+  }
+  
+  anemometerState = anemometerVal;
+
+  if(millis() >= timer) {
+    
+    Serial.println("--------------------------");
+    Serial.println("Sending...");
+    
+    timer = millis() + timerLimit;
+    
+    if(digitalRead(northPin)) {windDirection = windDirection + "N";}
+    if(digitalRead(southPin)) {windDirection = windDirection + "S";}
+    if(digitalRead(eastPin)) {windDirection = windDirection + "E";}
+    if(digitalRead(westPin)) {windDirection = windDirection + "W";}
+
+    if(printSensorsData) {
+      Serial.print("Wind speed:\t");
+      Serial.print(windSpeed);
+      Serial.println("Km/h");
+    
+      Serial.print("Wind direction:\t");
+      Serial.println(windDirection);
+
+    }
+
+    sendRequest();
+    
+  }
+
+}

Arduino/GetData.ino

@@ -0,0 +1,43 @@
+
+void getWind() {
+
+  windDirection = "";
+  anemometerVal = digitalRead(anemometerPin);
+
+  //Serial.println(anemometerVal);
+  
+  if ((anemometerState == 1) && (anemometerVal == 0)) {
+    anemometerDuration = millis() - startime;
+    startime = millis();
+    windSpeed = 2500.0/anemometerDuration;
+  }
+  
+  anemometerState = anemometerVal;
+
+  if(millis() >= timer) {
+    
+    Serial.println("--------------------------");
+    
+    timer = millis() + timerLimit;
+    
+    if(digitalRead(northPin)) {windDirection = windDirection + "N";}
+    if(digitalRead(southPin)) {windDirection = windDirection + "S";}
+    if(digitalRead(eastPin)) {windDirection = windDirection + "E";}
+    if(digitalRead(westPin)) {windDirection = windDirection + "W";}
+
+    if(printSensorsData) {
+      Serial.print("Wind speed:\t");
+      Serial.print(windSpeed);
+      Serial.println("Km/h");
+    
+      Serial.print("Wind direction:\t");
+      Serial.println(windDirection);
+
+    }
+
+    sendRequest();
+    //delay(5000);
+    
+  }
+
+}

Arduino/Request.ino

@@ -0,0 +1,72 @@
+
+void sendRequest() {
+
+  s = BASE_URL;
+  s.concat("windSpeed=");
+  s.concat(windSpeed);
+  s.concat("&windDirection=");
+  s.concat(windDirection);
+  s.toCharArray(URL, 100);
+
+  Serial.println(URL);
+  
+  // Establish GPRS connectivity (5 trials)
+  bool connected = false;
+  for(uint8_t i = 0; i < 5 && !connected; i++) {
+    delay(1000);
+    connected = sim800l->connectGPRS();
+  }
+
+  // Check if connected, if not reset the module and setup the config again
+  if(connected) {
+    Serial.println(F("GPRS connected !"));
+  } else {
+    Serial.println(F("GPRS not connected !"));
+    Serial.println(F("Reset the module."));
+    sim800l->reset();
+    setupModule();
+    return;
+  }
+
+  Serial.println(F("Start HTTP GET..."));
+  Serial.println(URL);
+
+  // Do HTTP GET communication with 10s for the timeout (read)
+  uint16_t rc = sim800l->doGet(URL, 10000);
+   if(rc == 200) {
+    // Success, output the data received on the serial
+    Serial.print(F("HTTP GET successful ("));
+    Serial.print(sim800l->getDataSizeReceived());
+    Serial.println(F(" bytes)"));
+    Serial.print(F("Received : "));
+    Serial.println(sim800l->getDataReceived());
+  } else {
+    // Failed...
+    Serial.print(F("HTTP GET error "));
+    Serial.println(rc);
+  }
+
+  // Close GPRS connectivity (5 trials)
+  bool disconnected = sim800l->disconnectGPRS();
+  for(uint8_t i = 0; i < 5 && !connected; i++) {
+    delay(1000);
+    disconnected = sim800l->disconnectGPRS();
+  }
+
+  if(disconnected) {
+    Serial.println(F("GPRS disconnected !"));
+  } else {
+    Serial.println(F("GPRS still connected !"));
+  }
+
+  // Go into low power mode
+  bool lowPowerMode = sim800l->setPowerMode(MINIMUM);
+  if(lowPowerMode) {
+    Serial.println(F("Module in low power mode"));
+  } else {
+    Serial.println(F("Failed to switch module to low power mode"));
+  }
+
+  
+  windSpeed = 0;
+}

Arduino/Setup.ino

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+
+void setupModule() {
+    // Wait until the module is ready to accept AT commands
+  while(!sim800l->isReady()) {
+    Serial.println(F("Problem to initialize AT command, retry in 1 sec"));
+    delay(1000);
+  }
+  Serial.println(F("Setup Complete!"));
+
+  // Wait for the GSM signal
+  uint8_t signal = sim800l->getSignal();
+  while(signal <= 0) {
+    delay(1000);
+    signal = sim800l->getSignal();
+  }
+  Serial.print(F("Signal OK (strenght: "));
+  Serial.print(signal);
+  Serial.println(F(")"));
+  delay(1000);
+
+  // Wait for operator network registration (national or roaming network)
+  NetworkRegistration network = sim800l->getRegistrationStatus();
+  while(network != REGISTERED_HOME && network != REGISTERED_ROAMING) {
+    delay(1000);
+    network = sim800l->getRegistrationStatus();
+  }
+  Serial.println(F("Network registration OK"));
+  delay(1000);
+
+  // Setup APN for GPRS configuration
+  bool success = sim800l->setupGPRS(APN);
+  while(!success) {
+    success = sim800l->setupGPRS(APN);
+    delay(5000);
+  }
+  Serial.println(F("GPRS config OK"));
+}