print("GPS firmware:", fw)
assert len(fw) > 3
vis, tracked = gps.get_satellites()
print("GPS sats:", vis, tracked)
assert vis == int(vis)
assert tracked == int(tracked)
assert 0 <= tracked <= vis
lat, lng = gps.get_location()
print("GPS location:", lat, lng)
assert -90 <= lat <= 90
assert -180 <= lng <= 180
gps.off()
_lat, _lng = gps.get_last_location()
print("GPS last location:", lat, lng)
assert lat == _lat
assert lng == _lng
try:
gps.on(0)
raise ValueError("No GPS exception was raised")
except gps.GPSError as e:
print("GPS error OK:", e)
gps.off()
del gps
print("================")
print("Network")
print("================")
# Get online
import cellular
cellular.gprs("internet", "", "")
# Import mqtt (download client if necessary)
try:
from umqtt import simple
except ImportError:
import upip
upip.install("micropython-umqtt.simple")
from umqtt import simple
# Turn GPS on
import gps
gps.on()
# Report location
name = "a9g-micropython-board"
server = "test.mosquitto.org"
topic = "a9g-micropython-board-topic"
print(
"To track messages run, for example\n mosquitto_sub -h {server} -t \"{topic}\" -v"
.format(server=server, topic=topic))
import json
client = simple.MQTTClient(name, server)
client.connect()
data = json.dumps(gps.get_last_location())
print("Publishing", data)
client.publish(topic, data)