#include #include #include //incluimos TinyGPS #define WAITING_TIME 15 #define GPS_PIN 2 #define GPS_INFO_BUFFER_SIZE 128 bool debug = false; TinyGPS gps;//GPS Object //GPS data variables int year; byte month, day, hour, minute, second, hundredths; unsigned long chars; unsigned short sentences, failed_checksum; char GPS_info_char; char GPS_info_buffer[GPS_INFO_BUFFER_SIZE]; unsigned int received_char; bool message_started = false; int i = 0; // GPS coordinate structure, 12 bytes size on 32 bits platforms struct gpscoord { float a_latitude; // 4 bytes float a_longitude; // 4 bytes float a_altitude; // 4 bytes }; float latitude = 0.0f; float longitude = 0.0f; float altitud = 0; //////////////// Waiting function ////////////////// void Wait(int m, bool s) { //m minutes to wait //s slow led pulses if (debug) { Serial.print("Waiting: "); Serial.print(m); Serial.println(" min."); } digitalWrite(LED_BUILTIN, LOW); if (s) { int seg = m * 30; for (int i = 0; i < seg; i++) { digitalWrite(LED_BUILTIN, HIGH); //LED on delay(1000); digitalWrite(LED_BUILTIN, LOW); //LED off delay(1000); } } else { int seg = m * 15; for (int i = 0; i < seg; i++) { digitalWrite(LED_BUILTIN, HIGH); //LED on delay(1000); digitalWrite(LED_BUILTIN, LOW); //LED off delay(3000); } } } /////////////////// Sigfox Send Data function //////////////// void SendSigfox(String data) { if (debug) { Serial.print("Sending: "); Serial.println(data); if (data.length() > 12) { Serial.println("Message too long, only first 12 bytes will be sent"); } } // Remove EOL //data.trim(); // Start the module SigFox.begin(); // Wait at least 30mS after first configuration (100mS before) delay(100); // Clears all pending interrupts SigFox.status(); delay(1); if (debug) SigFox.debug(); delay(100); SigFox.beginPacket(); SigFox.print(data); if (debug) { int ret = SigFox.endPacket(true); // send buffer to SIGFOX network and wait for a response if (ret > 0) { Serial.println("No transmission"); } else { Serial.println("Transmission ok"); } Serial.println(SigFox.status(SIGFOX)); Serial.println(SigFox.status(ATMEL)); if (SigFox.parsePacket()) { Serial.println("Response from server:"); while (SigFox.available()) { Serial.print("0x"); Serial.println(SigFox.read(), HEX); } } else { Serial.println("Could not get any response from the server"); Serial.println("Check the SigFox coverage in your area"); Serial.println("If you are indoor, check the 20dB coverage or move near a window"); } Serial.println(); } else { SigFox.endPacket(); } SigFox.end(); } ////////////////// Convert GPS function ////////////////// /* Converts GPS float data to Char data */ String ConvertGPSdata(const void* data, uint8_t len) { uint8_t* bytes = (uint8_t*)data; String cadena ; if (debug) { Serial.print("Length: "); Serial.println(len); } for (uint8_t i = len - 1; i < len; --i) { if (bytes[i] < 12) { cadena.concat(byte(0)); // Not tested } cadena.concat(char(bytes[i])); if (debug) Serial.print(bytes[i], HEX); } if (debug) { Serial.println(""); Serial.print("String to send: "); Serial.println(cadena); } return cadena; } ////////////////////////// Get GPS position function///////////////////// String GetGPSpositon() { int messages_count = 0; String pos; if (debug) Serial.println("GPS ON"); digitalWrite(GPS_PIN, HIGH); //Turn GPS on Wait(1, false); while (messages_count < 5000) { while (Serial1.available()) { int GPS_info_char = Serial1.read(); if (GPS_info_char == '$') messages_count ++; // start of message. Counting messages. if (debug) { if (GPS_info_char == '$') { // start of message message_started = true; received_char = 0; } else if (GPS_info_char == '*') { // end of message for (i = 0; i < received_char; i++) { Serial.write(GPS_info_buffer[i]); // writes the message to the PC once it has been completely received } Serial.println(); message_started = false; // ready for the new message } else if (message_started == true) { // the message is already started and I got a new character if (received_char <= GPS_INFO_BUFFER_SIZE) { // to avoid buffer overflow GPS_info_buffer[received_char] = GPS_info_char; received_char++; } else { // resets everything (overflow happened) message_started = false; received_char = 0; } } } if (gps.encode(GPS_info_char)) { gps.f_get_position(&latitude, &longitude); altitud = gps.altitude() / 100; // Store coordinates into dedicated structure gpscoord coords = {altitud, longitude, latitude}; gps.crack_datetime(&year, &month, &day, &hour, &minute, &second, &hundredths); if (debug) { Serial.println(); Serial.println(); Serial.print("Latitud/Longitud: "); Serial.print(latitude, 5); Serial.print(", "); Serial.println(longitude, 5); Serial.println(); Serial.print("Fecha: "); Serial.print(day, DEC); Serial.print("/"); Serial.print(month, DEC); Serial.print("/"); Serial.print(year); Serial.print(" Hora: "); Serial.print(hour, DEC); Serial.print(":"); Serial.print(minute, DEC); Serial.print(":"); Serial.print(second, DEC); Serial.print("."); Serial.println(hundredths, DEC); Serial.print("Altitud (metros): "); Serial.println(gps.f_altitude()); Serial.print("Rumbo (grados): "); Serial.println(gps.f_course()); Serial.print("Velocidad(kmph): "); Serial.println(gps.f_speed_kmph()); Serial.print("Satelites: "); Serial.println(gps.satellites()); Serial.println(); } gps.stats(&chars, &sentences, &failed_checksum); if (debug) Serial.println("GPS turned off"); digitalWrite(GPS_PIN, LOW); //GPS turned off pos = ConvertGPSdata(&coords, sizeof(gpscoord)); //Send data return pos; } } } pos = "No Signal"; } //////////////////SETUP/////////////////// void setup() { if (debug) { Serial.begin(9600); while (!Serial) {}// wait for serial port to connect. Needed for native USB port only Serial.println("Serial Connected"); } //Serial1 pins 13-14 for 3.3V connection to GPS. Serial1.begin(9600); while (!Serial1) {} if (debug) { Serial.println("GPS Connected"); } pinMode(GPS_PIN, OUTPUT); //pin de interruptor del GPS if (!SigFox.begin()) { Serial.println("Shield error or not present!"); return; } // Enable debug led and disable automatic deep sleep if (debug) { SigFox.debug(); } else { SigFox.end(); // Send the module to the deepest sleep } } //////////////////////LOOP//////////////////////// void loop() { String position_data; position_data = GetGPSpositon(); SendSigfox(position_data); Wait(WAITING_TIME, false); }