def get_gps():
if gps.get_satellites()[0] <1:
print("satellite disconnect")
return None # 卫星数量不足，无法定位
longtitude = round(gps.get_location()[1],6)
latitue = round(gps.get_location()[0],6)
return latitue,longtitude# tuple,纬度，经度
def delay(ms):
global interrupt
f = open("t/gps.log", "a")
machine.set_idle(True)
step = 1000
prev_gps_state = location.gps_state
if ms > 5 * 60 * 1000:
location.set_gps_state(False)
while ms > 0:
if interrupt:
interrupt = False
f.close()
raise OSError(4) #EINTR
if ms < step:
step = ms
rec = gps.nmea_data()[0]
coords = gps.get_location()
if rec[1]:
f.write(str(rec) + " " + str(coords) + "\n")
utime.sleep_ms(step)
ms -= step
machine.watchdog_reset()
location.set_gps_state(prev_gps_state)
machine.set_idle(False)
f.close()
def get_coordinates():
global gps_state
if gps_state and has_gps_fix():
coords = gps.get_location()
return (coords[0], coords[1], True)
return get_lbs_location()
def loop():
global beep_off_if_no_location_timestamp
location = get_location()
if location:
timestamp = get_millis()
lines = []
lines.append("%s:%d" % (get_status(location), location.hacc))
lines.append("TIME: %d" % (location.time))
lines.append("LAT: %f" % (location.lat))
lines.append("LON: %f" % (location.lon))
if (location.hacc <= 100):
beep_off_if_no_location_timestamp = get_millis()
nearest_station = get_nearest_station(location, stations)
if nearest_station:
distance = get_distance(location, nearest_station)
lines.append("%.1fkm in %s" % (distance, nearest_station.name))
lines.append("%.1fkm/h" % (location.speed))
if (distance <= 1.0 and not leds.is_on()):
leds.set(True)
if (distance > 1.0 and leds.is_on()):
leds.set(False)
if (distance <= 0.3 and not pwm.is_beep()):
pwm.set_beep(True)
leds.set_sleep_timeout(400)
if (distance > 0.3 and pwm.is_beep()):
pwm.set_beep(False)
leds.set_sleep_timeout()
else:
print("ERROR: no nearest station?")
print("duration %d" % (millis_passed(timestamp)))
else:
if pwm.is_beep():
pwm.set_beep(False)
if leds.is_on():
leds.set(False)
oled.display_lines(lines)
if beep_off_if_no_location_timestamp != 0 and millis_passed(
beep_off_if_no_location_timestamp) > 10000:
beep_off_if_no_location_timestamp = 0
print("No location in 10 seconds, turning off")
if pwm.is_beep():
pwm.set_beep(False)
if leds.is_on():
leds.set(False)
# Micropython a9g example
# Source: https://github.com/pulkin/micropython
# Author: pulkin
# Demonstrates how to retrieve GPS coordinates from the built-in GPS module
import gps
gps.on()
print("Location", gps.get_location())
print("Satellites (tracked, visible)", gps.get_satellites())
gps.off()
print("================")
import gps
gps.on()
fw = gps.get_firmware_version()
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)
# Source: https://github.com/pulkin/micropython
# Author: sebi5361
# Demonstrates how to interface with traccar
# Get online
import cellular
import gps
import socket
ID = 76548 # Same arbitrary number as in Traccar
url = "demo.traccar.org"
port = 5055
cellular.gprs("internet", "", "")
gps.on()
loc = gps.get_location()
s = socket.socket()
s.connect((url, port))
s.send(
bytes(
'POST /?id={}&lat={}&lon={} HTTP/1.1\r\nHost: {}:{}\r\n\r\n'.format(
ID, loc[0], loc[1], url, port), 'utf8'))
rsp = s.recv(50)
s.close()
gps.off()
cellular.gprs(False)
assert rsp == b'HTTP/1.1 200 OK\r\ncontent-length: 0\r\n\r\n'