def time(self):
"Return the gpsd time fix"
t = self.gpsd.fix.time
if isinstance(t, int):
return t
if isinstance(t, float):
if not gps.isfinite(t):
return None
return t
return gps.isotime(t)
def read_gps():
global last_fix
session = gps(mode=WATCH_ENABLE)
while running:
fix = session.next()
if fix['class'] == 'TPV':
fix = [fix.lon, fix.lat, fix.alt, isotime(fix.time)]
last_fix.append(fix)
def parse_tdl(self, line):
"Interpret one TDL directive."
line = line.strip()
if "#" in line:
line = line[:line.find("#")]
if line == '':
return
fields = line.split()
command = fields[0]
if command == "time":
self.ksv.time = gps.isotime(fields[1])
elif command == "location":
(self.lat, self.lon, self.alt) = list(map(float, fields[1:]))
elif command == "course":
self.ksv.time = float(fields[1])
elif command == "speed":
self.ksv.speed = float(fields[1])
elif command == "climb":
self.ksv.climb = float(fields[1])
elif command == "acceleration":
(self.ksv.h_acc, self.ksv.h_acc) = list(map(float, fields[1:]))
elif command == "snr":
self.channels[int(fields[1])] = float(fields[2])
elif command == "go":
self.go(int(fields[1]))
elif command == "status":
try:
code = fields[1]
self.status = {
"no_fix": 0,
"fix": 1,
"dgps_fix": 2
}[code.lower()]
except KeyError:
raise gpssimException("invalid status code '%s'" % code,
self.filename, self.lineno)
elif command == "mode":
try:
code = fields[1]
self.status = {"no_fix": 1, "2d": 2, "3d": 3}[code.lower()]
except KeyError:
raise gpssimException("invalid mode code '%s'" % code,
self.filename, self.lineno)
elif command == "satellites":
self.satellites_used = int(fields[1])
elif command == "validity":
self.validity = fields[1]
else:
raise gpssimException("unknown command '%s'" % fields[1],
self.filename, self.lineno)
# FIX-ME: add syntax for ephemeris elements
self.lineno += 1
def parse_tdl(self, line):
"Interpret one TDL directive."
line = line.strip()
if "#" in line:
line = line[:line.find("#")]
if line == '':
return
fields = line.split()
command = fields[0]
if command == "time":
self.ksv.time = gps.isotime(fields[1])
elif command == "location":
(self.lat, self.lon, self.alt) = list(map(float, fields[1:]))
elif command == "course":
self.ksv.time = float(fields[1])
elif command == "speed":
self.ksv.speed = float(fields[1])
elif command == "climb":
self.ksv.climb = float(fields[1])
elif command == "acceleration":
(self.ksv.h_acc, self.ksv.h_acc) = list(map(float, fields[1:]))
elif command == "snr":
self.channels[int(fields[1])] = float(fields[2])
elif command == "go":
self.go(int(fields[1]))
elif command == "status":
try:
code = fields[1]
self.status = {"no_fix": 0, "fix": 1, "dgps_fix": 2}[
code.lower()]
except KeyError:
raise gpssimException("invalid status code '%s'" % code,
self.filename, self.lineno)
elif command == "mode":
try:
code = fields[1]
self.status = {"no_fix": 1, "2d": 2, "3d": 3}[code.lower()]
except KeyError:
raise gpssimException("invalid mode code '%s'" % code,
self.filename, self.lineno)
elif command == "satellites":
self.satellites_used = int(fields[1])
elif command == "validity":
self.validity = fields[1]
else:
raise gpssimException("unknown command '%s'" % fields[1],
self.filename, self.lineno)
# FIX-ME: add syntax for ephemeris elements
self.lineno += 1
def update_time(self, data):
if hasattr(data, "time"):
return gps.isotime(data.time)
else:
return "n/a"
def update_time(self, data):
if hasattr(data, "time"):
return gps.isotime(data.time)
else:
return "n/a"
