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CHANGELOG.md

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arduino-gps-tracker changelog

v0.1

  • Initial release
  • Handheld controller: Added the handheld controller under "gpsTracker_handheldController". It can display sent messages, received messages, latitude, longitude, number of satellites, accuracy, speed, direction, age of data and the checksum value.
  • Handheld controller: Added map to TFT LCD screen. Map is not yet functional.
  • Tracking device: Added the GPS tracker under "gpsTracker_trackingDevice". It can get GPS coordinates and transmit them when requested.
  • Tracking device: Added code so the Arduino can go into a light sleep and wake up when serial data in the buffer. Sleep occurs after the Arduino has finished its task, couldn't receive coordinates before GPS_TIMEOUT milliseconds or, as a failsafe, the Arduino will sleep if it has been on for more than MAX_ON_TIME milliseconds as long as it hasn't received any messages from the handheld controller during this time.

v0.2

  • Handheld controller: Added ability to show the current location on the map
  • Handheld controller: The program requires the max and min values of latitude and longitude covered by the map
  • Handheld controller: Added 3 functions: clearTFTMAP(), drawTFTMap() and displayLocationOnMap(currentLatitude,currentLongitude)
  • Handheld controller: Removed debugging code from gpsTracker_handheldController which printed to the UART Serial port
  • Handheld controller: Renamed some functions and variables for clarity
  • Tracking device: Renamed some functions and variables for clarity
  • Tracking device: Tweaked delay values for better timing

v0.2.1

  • Handheld controller: Added clear map button on pin 8

v0.3

  • Handheld controller: Renamed LED_BUILTIN to LED_PIN and changed value to pin 9. Pin 13 is used by the TFT LCD screen
  • Handheld controller: Changed the way location is drawn on the map (from 5 pixels in a '+' shape to a single pixel)
  • Handheld controller: Added functionality to draw a green line to represent the tracker's location history
  • Handheld controller test code: Added test code for drawing arrows on the screen
  • Handheld controller: Added ability to draw an arrow at the edge of the screen if the tracker is outside the map
  • Tracking device: Increased default MAX_ON_TIME to 1 hour

v0.3.1

  • Handheld controller: Added more constants under #define, for custom configurations

v0.3.2

  • Tracking device: Added KiCad circuit board files to "/gpsTracker_trackingDevice_circuitBoard/"

v0.3.3

  • Tracking device: Added more configuration constants
  • Tracking device: Fixed bug where Arduino should stay awake to report continuous GPS data but would instead sleep if any message was received on the UART serial buffer
  • Tracking device: Added more code comments

v0.3.4

  • Tracking device: Added ability for Arduino to control the GPS's power through pin 4. An N-channel MOSFET is required. See circuit diagram in gpsTracker_trackingDevice_circuitBoard/
  • Tracking device: Updated OutputPowerSavingPins[] array to reflect changes

v0.4

  • Tracking device: Added readVcc() function which allows the Arduino to read its own Vcc input voltage. This will allow the user to know the charge state of the Li-ion cell(s)
  • Tracking device: Tracking device will return cell charge in mV as: "cell:0000mV" when it receives "cell:volts"
  • Tracking device: Removed "ping" message recognition code
  • Handheld controller: Replaced ping button with cell voltage button
  • Handheld controller: Removed "ping" message recognition code
  • Handheld controller: Removed "age" and "check" areas from screen to make room for HCV:0000mV (Handheld controller voltage) and TDV:0000mV (Tracking device voltage)
  • Handheld controller: Moved bottom-right values to the left by 1 character (6 pixels) to give more room for values
  • Handheld controller: Modified clearTFTGPS(). Added clearTFT_HCV() and clearTFT_TDV()
  • Handheld controller: Added code so the handheld controller can request and display the Vcc voltage of the GPS tracking device
  • Handheld controller: Also added readVcc() function which allows the Arduino to read its own Vcc input voltage
  • Handheld controller: Added code so the handheld controller reads its own Vcc input voltage every HCV_READVCC_INTERVAL in milliseconds and displays value on TFT screen. default HCV_READVCC_INTERVAL is 30000 ms
  • Handheld controller: Removed unused functions
  • Tracking device: Renamed GPS_DATA_TRANSMIT_FREQUENCY to GPS_DATA_TRANSMIT_INTERVAL for clarity
  • Tracking device: Removed unused functions

v0.4.1 (Current release)

  • Handheld controller: Renamed files and folders to remove "gpsTracker_..."
  • Tracking device: Renamed files and folders to remove "gpsTracker_..."