gps now only sends when locationis valid
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@@ -46,6 +46,8 @@ const unsigned char host[4] = { 192, 168, 1, 120 };
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//const char* host = "xyz.xyz.xyz.xyz";
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const uint16_t port = 1202;
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int count = 0;
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// Create an Instance of the TinyGPS++ object called gps
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TinyGPSPlus gps;
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// The serial connection to the GPS device
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@@ -113,6 +115,20 @@ void loop() {
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// This will send gps info
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Serial.println("sending gps data");
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if (client.connected()) {
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switch( count ) {
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case -1:
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break;
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case 0:
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client.println("start");
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Serial.println("start");
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count++;
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break;
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case 15:
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client.println("fin");
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Serial.println("fin");
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count = -1;
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break;
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default:
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// send data to server
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client.print(gps.location.lat(), 5); // 5 decimals of precision
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client.print(",");
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@@ -121,12 +137,15 @@ void loop() {
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Serial.print(gps.location.lat(), 5); // 5 decimals of precision
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Serial.print(",");
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Serial.println(gps.location.lng(), 5);
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count++;
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break;
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}
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}
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// Close the connection
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Serial.println();
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Serial.println("closing connection");
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client.stop();
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//Serial.println();
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//Serial.println("closing connection");
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//client.stop();
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// don't get data continuously, wait one second
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delay(1000);
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@@ -0,0 +1,167 @@
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// ===================================================================
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// Auth: alex
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// File: gps_conn_updated.ino
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// Revn: 08-01-2023 2.0
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// Func: connect GPS module to Golang's net.Conn via ESP8266
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//
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// TODO: first loop static bool to distinguish between case 0 and 1
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// store data in EEPROM, retrieve it after power failure
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// ===================================================================
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// CHANGE LOG
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// -------------------------------------------------------------------
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//*07-20-2023: ac copied from gps_conn.ino
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// added switch/case
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// 07-25-2023: ac changed start/fin to ot/za
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// gutted client timeout block, already commented
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// added EEPROM.h
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// removed code block that closes client connection
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// 07-27-2023: ac added spin loop to spin until location is updated
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// (very broken)
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//*08-01-2023: ac removed spin loop, added isUpdated() condition to
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// client sending block
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//
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// ===================================================================
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#include <ESP8266WiFi.h> // Special Wifi Library
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#include <TinyGPS++.h> // Tiny GPS Plus Library
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// Software Serial Library so we can use other Pins for communication
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// with the GPS module
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#include <SoftwareSerial.h>
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#include "EEPROM.h"
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// wifi credentials
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#ifndef STASSID
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#define STASSID "kaer morhen"
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#define STAPSK "project:sentinel"
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#endif
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// set ESP Rx to GPIO 12 (connect to Ublox Tx),
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// Tx to GPIO 13 (connect to Ublox Rx)
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// GPIO pinout image at URL: https://m.media-amazon.com/images/I/812vnqUs5tL.jpg
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// Should also have an image in git repository
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// Ublox 6m GPS module to pins 12 and 13
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static const int RXPin = 12, TXPin = 13;
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// Ublox GPS default Baud Rate is 9600
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static const uint32_t GPSBaud = 9600;
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// wifi credentials
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const char* ssid = STASSID;
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const char* password = STAPSK;
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const unsigned char host[4] = { 192, 168, 1, 120 };
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//const char* host = "xyz.xyz.xyz.xyz";
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const uint16_t port = 1202;
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// literally keep track of how many messages have been sent
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int count = 0;
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// Create an Instance of the TinyGPS++ object called gps
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TinyGPSPlus gps;
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// The serial connection to the GPS device
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SoftwareSerial ss(RXPin, TXPin);
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void setup() {
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// Set ESP and Software Serial comms speed
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Serial.begin(115200);
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ss.begin(GPSBaud);
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Serial.println();
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Serial.print("Connecting to ");
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Serial.println(ssid);
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/* Explicitly set the ESP8266 to be a WiFi-client, otherwise, it by default,
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would try to act as both a client and an access-point and could cause
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network-issues with your other WiFi-devices on your WiFi-network. */
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WiFi.mode(WIFI_STA);
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WiFi.begin(ssid, password);
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// wait for connection to be established
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while (WiFi.status() != WL_CONNECTED) {
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delay(500);
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Serial.print(".");
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}
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// print connection details
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Serial.println("");
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Serial.println("WiFi connected");
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Serial.print("IP address: ");
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Serial.println(WiFi.localIP());
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}
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void loop() {
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// print connecty things every loop
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// it disconnects every loop. Don't love this tbh
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Serial.print("connecting to ");
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//Serial.print(host);
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Serial.print(':');
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Serial.println(port);
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// Use WiFiClient class to create TCP connections
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WiFiClient client;
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if (!client.connect(host, port)) {
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Serial.println("connection failed");
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delay(5000);
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//return;
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}
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Serial.print( "isUpdated: " );
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Serial.println( gps.location.isUpdated() );
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Serial.print( "isValid: " );
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Serial.println( gps.location.isValid() );
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delay( 1000 * 30 );
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// 1000 milliseconds in one second
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// 30 seconds in one-half minute
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// }
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// This will send gps info
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Serial.println("sending gps data");
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// only send message if client is connected and location is valid
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if (client.connected() && gps.location.isValid()) {
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switch( count ) {
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case 0: // on the first message
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// send start message
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client.println("ot");
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Serial.println("start/ot");
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count++;
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break;
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case 15: // on the last message
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// send finale message
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client.println("za");
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Serial.println("fin/za");
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count = 0; // restart count
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break;
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default: // data messages
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// send data to server
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client.print(gps.location.lat(), 6); // 6 decimals of precision
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client.print(",");
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client.println(gps.location.lng(), 6);
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// print data to serial monitor
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Serial.print(gps.location.lat(), 6); // 6 decimals of precision
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Serial.print(",");
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Serial.println(gps.location.lng(), 6);
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count++;
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break;
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}
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}
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smartDelay(500); // Run Procedure smartDelay
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// if GPS is not connected correctly
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if (millis() > 5000 && gps.charsProcessed() < 10)
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Serial.println(F("No GPS data received: check wiring"));
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}
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// Custom version of delay() ensures gps object is being "fed"
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static void smartDelay(unsigned long ms) {
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unsigned long start = millis();
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do { // wait until GPS has data
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while (ss.available())
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gps.encode(ss.read());
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} while (millis() - start < ms);
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}
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