v2.9

lib/SparkFun u-blox Arduino Library/examples/Example5_SpeedHeadingPrecision/Example5_SpeedHeadingPrecision.ino

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+/*
+  Get Speed/Heading and dilution of precision via UBX binary commands - no more NMEA parsing!
+  By: Nathan Seidle
+  SparkFun Electronics
+  Date: January 3rd, 2019
+  License: MIT. See license file for more information but you can
+  basically do whatever you want with this code.
+
+  This example shows how to query a Ublox module for its lat/long/altitude.
+
+  Note: Long/lat are large numbers because they are * 10^7. To convert lat/long
+  to something google maps understands simply divide the numbers by 1,000,000. We
+  do this so that we don't have to use floating point numbers.
+
+  Leave NMEA parsing behind. Now you can simply ask the module for the datums you want!
+
+  Feel like supporting open source hardware?
+  Buy a board from SparkFun!
+  ZED-F9P RTK2: https://www.sparkfun.com/products/15136
+  NEO-M8P RTK: https://www.sparkfun.com/products/15005
+  SAM-M8Q: https://www.sparkfun.com/products/15106
+
+  Hardware Connections:
+  Plug a Qwiic cable into the GPS and a BlackBoard
+  If you don't have a platform with a Qwiic connection use the SparkFun Qwiic Breadboard Jumper (https://www.sparkfun.com/products/14425)
+  Open the serial monitor at 115200 baud to see the output
+*/
+
+#include <Wire.h> //Needed for I2C to GPS
+
+#include "SparkFun_Ublox_Arduino_Library.h" //http://librarymanager/All#SparkFun_u-blox_GNSS
+SFE_UBLOX_GPS myGPS;
+
+long lastTime = 0; //Simple local timer. Limits amount if I2C traffic to Ublox module.
+
+void setup()
+{
+  Serial.begin(115200);
+  while (!Serial); //Wait for user to open terminal
+  Serial.println("SparkFun Ublox Example");
+
+  Wire.begin();
+
+  if (myGPS.begin() == false) //Connect to the Ublox module using Wire port
+  {
+    Serial.println(F("Ublox GPS not detected at default I2C address. Please check wiring. Freezing."));
+    while (1);
+  }
+}
+
+void loop()
+{
+  //Query module only every second. Doing it more often will just cause I2C traffic.
+  //The module only responds when a new position is available
+  if (millis() - lastTime > 1000)
+  {
+    lastTime = millis(); //Update the timer
+    
+    long latitude = myGPS.getLatitude();
+    Serial.print(F("Lat: "));
+    Serial.print(latitude);
+
+    long longitude = myGPS.getLongitude();
+    Serial.print(F(" Long: "));
+    Serial.print(longitude);
+
+    long speed = myGPS.getGroundSpeed();
+    Serial.print(F(" Speed: "));
+    Serial.print(speed);
+    Serial.print(F(" (mm/s)"));
+
+    long heading = myGPS.getHeading();
+    Serial.print(F(" Heading: "));
+    Serial.print(heading);
+    Serial.print(F(" (degrees * 10^-5)"));
+
+    int pDOP = myGPS.getPDOP();
+    Serial.print(F(" pDOP: "));
+    Serial.print(pDOP / 100.0, 2);
+
+    Serial.println();
+  }
+}