- neo6mgps_serial_direct.py
- created by mahemys; 2019.08.28
- !perfect, but works!
- GNU-GPL; no license; free to use!
- update 2019-08-28; initial review
purpose
- neo-6m gps module data collection using serial port of the device and plotting relevant graphs using matplotlib
how to use
- just copy file to your location
- run this python script in terminal
- create a routine to run at start
requirements
- sqlite3 for database
- serial for serial port communication
- matplotlib for graphs
process
- using serial port communication save gps data into the database
- first convert db to csv; neo6mgps_db.db -> neo6mgps.csv
- run
neo6mgps_plot_uptime.pyto generate uptime graphs like No of Satellites; No of Records - run
neo6mgps_plot_blackouts.pyto generate downtime or blackouts graphs like Blackouts duration; Total No of Blackouts
sample
- csv file neo6mgps.csv
- uptime graph Neo-6m_GPS_Uptime.png
- downtime graph Neo-6m_GPS_Blackouts.png
Uptime graph 
Downtime or Blackouts graph 
NMEA sentences
- GGA - essential fix data which provide 3D location and accuracy data.
- $GPGGA,timestamp,lat,lat_dir,lon,lon_dir,gps_qual,num_sat,horizontal_dil,altitude,altitude_units,geo_sep,geo_sep_units,empty,checksum
- $GPGGA,071341.00,1255.37234,N,07729.09966,E,1,06,1.49,811.0,M,-86.4,M,,*70
footnote
- let me know if you find any bugs!
- Thank you mahemys