class DataFrame(tk.Frame):
def __init__(self, parent):
tk.Frame.__init__(self, parent)
global FONT
WIDTH = 300
HEIGHT = 200
PAD = 3
#######################################
#testing variables
SCP_LAT = 50.5555
SCP_LON = -114.3014
SCP_ALT = 1250.0
SCP_DATE = datetime(2018, 9, 1, 23, 59, 23)
#######################################
self.topFrame = tk.Frame(self, width=WIDTH - 10, height=50, pady=PAD)
self.centerFrame = tk.Frame(self,
bg='gray',
width=WIDTH - 10,
height=HEIGHT - 120,
padx=PAD,
pady=PAD)
self.btmFrame = tk.Frame(self,
bg='white',
width=WIDTH - 10,
height=50,
pady=PAD)
#layout main containers
self.grid_rowconfigure(1, weight=1)
self.grid_columnconfigure(0, weight=1)
self.topFrame.grid(row=0, sticky="ew")
self.centerFrame.grid(row=1, sticky="nsew")
self.btmFrame.grid(row=3, sticky="ew")
#setup headers
self.topFrame.grid_columnconfigure(0, weight=1)
self.topFrame.grid_columnconfigure(1, weight=1)
scope_hdr = tk.Label(self.topFrame, text='Scope')
gps_hdr = tk.Label(self.topFrame, text='GPS')
scope_hdr.grid(row=0, column=0, sticky="ew")
gps_hdr.grid(row=0, column=1, sticky="ew")
#setup internal panels
self.centerFrame.grid_rowconfigure(0, weight=1)
self.centerFrame.grid_columnconfigure(0, weight=1)
self.centerFrame.grid_columnconfigure(1, weight=1)
self.left_panel = tk.Frame(self.centerFrame,
bg='blue',
width=WIDTH / 2,
height=HEIGHT - 120)
self.right_panel = tk.Frame(self.centerFrame,
bg='green',
width=WIDTH / 2,
height=HEIGHT - 120,
padx=PAD,
pady=PAD)
self.left_panel.grid(row=0, column=0, sticky="nsew")
self.right_panel.grid(row=0, column=1, sticky="nsew")
#setup scope labels:
lat1 = tk.Label(self.left_panel,
text="LAT:",
anchor="e",
width=10,
font=FONT,
padx=3,
pady=3)
lon1 = tk.Label(self.left_panel,
text="LON:",
anchor="e",
width=10,
font=FONT,
padx=3,
pady=3)
alt1 = tk.Label(self.left_panel,
text="ALT:",
anchor="e",
width=10,
font=FONT,
padx=3,
pady=3)
time1 = tk.Label(self.left_panel,
text="TIME:",
anchor="e",
width=10,
font=FONT,
padx=3,
pady=3)
date1 = tk.Label(self.left_panel,
text="DATE:",
anchor="e",
width=10,
font=FONT,
padx=3,
pady=3)
lat1.grid(row=0, column=0, sticky="ew")
lon1.grid(row=1, column=0, sticky="ew")
alt1.grid(row=2, column=0, sticky="ew")
time1.grid(row=3, column=0, sticky="ew")
date1.grid(row=4, column=0, sticky="ew")
#setup scope data pane
self.left_panel.grid_columnconfigure(1, weight=1)
self.scope_lat = tk.Label(self.left_panel,
text="{:<+.4f} °".format(SCP_LAT),
font=FONT,
relief="groove",
padx=3,
pady=3)
self.scope_lon = tk.Label(self.left_panel,
text="{:<+.4f} °".format(SCP_LON),
font=FONT,
relief="groove",
padx=3,
pady=3)
self.scope_alt = tk.Label(self.left_panel,
text="{:<+,.1f} m".format(int(SCP_ALT)),
font=FONT,
relief="groove",
padx=3,
pady=3)
self.scope_time = Clock(self.left_panel, SCP_DATE, " UTC")
self.scope_time.configure(font=FONT,
fg='blue',
relief="groove",
padx=3,
pady=3)
self.scope_date = Clock(self.left_panel, SCP_DATE, None, '%Y-%m-%d')
self.scope_date.configure(font=FONT,
fg='blue',
relief="groove",
padx=3,
pady=3)
self.scope_lat.grid(row=0, column=1, sticky="ew")
self.scope_lon.grid(row=1, column=1, sticky="ew")
self.scope_alt.grid(row=2, column=1, sticky="ew")
self.scope_time.grid(row=3, column=1, sticky="ew")
self.scope_date.grid(row=4, column=1, sticky="ew")
#create gps data panel
app.gpsdata = GpsFrame(self.right_panel)
#setup control panel
self.btmFrame.grid_rowconfigure(1, weight=1)
self.btmFrame.grid_columnconfigure(1, weight=1)
app.update_gps = tk.Button(self.btmFrame,
text="Get GPS",
command=app.gpsdata.connect_gps,
state=tk.DISABLED)
app.update_gps.grid(row=0, column=1, sticky="ne")
app.change_serial = tk.Button(self.btmFrame,
text="Config GPS",
command=app.gpsdata.select_port)
app.change_serial.grid(row=0, column=0, sticky="ne")
class GpsFrame(tk.Frame):
def __init__(self, parent):
global FONT
tk.Frame.__init__(self, parent)
#######################################
#testing variables
self.gps_lat = 50.699420
self.gps_lon = -114.005746
self.gps_alt = 1107.0
self.gps_date = datetime(1999, 1, 1, 0, 0, 0)
#######################################
self.port = None
self.gps_connected = False
self.gps = None
self.gps_parser = MicropyGPS()
self.gps_sentence = ""
self.gps_valid = False
#setup GPS frame
lat2 = tk.Label(parent,
text="LAT:",
anchor="e",
width=10,
font=FONT,
padx=3,
pady=3)
lon2 = tk.Label(parent,
text="LON:",
anchor="e",
width=10,
font=FONT,
padx=3,
pady=3)
alt2 = tk.Label(parent,
text="ALT:",
anchor="e",
width=10,
font=FONT,
padx=3,
pady=3)
time2 = tk.Label(parent,
text="TIME:",
anchor="e",
width=10,
font=FONT,
padx=3,
pady=3)
date2 = tk.Label(parent,
text="DATE:",
anchor="e",
width=10,
font=FONT,
padx=3,
pady=3)
lat2.grid(row=0, column=0, sticky="ew")
lon2.grid(row=1, column=0, sticky="ew")
alt2.grid(row=2, column=0, sticky="ew")
time2.grid(row=3, column=0, sticky="ew")
date2.grid(row=4, column=0, sticky="ew")
#setup GPS data panel
self.lat = tk.Label(parent,
text=" ",
font=FONT,
relief="groove",
padx=3,
pady=3)
self.lon = tk.Label(parent,
text=" ",
font=FONT,
relief="groove",
padx=3,
pady=3)
self.alt = tk.Label(parent,
text=" ",
font=FONT,
relief="groove",
padx=3,
pady=3)
self.time = Clock(parent, self.gps_date, " UTC")
self.time.configure(font=FONT,
fg='blue',
relief="groove",
padx=3,
pady=3)
self.time.configure(text=" ")
self.date = Clock(parent, self.gps_date, None, '%Y-%m-%d')
self.date.configure(font=FONT,
fg='blue',
relief="groove",
padx=3,
pady=3)
self.date.configure(text=" ")
self.lat.grid(row=0, column=1, sticky="ew")
self.lon.grid(row=1, column=1, sticky="ew")
self.alt.grid(row=2, column=1, sticky="ew")
self.time.grid(row=3, column=1, sticky="ew")
self.date.grid(row=4, column=1, sticky="ew")
def select_port(self):
global app
port = comPortDialog(self).show()
if port == "None":
self.port = None
app.update_gps.configure(state=tk.DISABLED)
else:
self.port = port
print("New port = {}".format(self.port))
app.update_gps.configure(state=tk.NORMAL)
def connect_gps(self):
global app
if self.port is not None and self.port != "None":
#app.change_serial.configure(state=tk.DISABLED)
#app.update_gps.configure(text="Disconnect GPS")
self.update_gps_data()
self.gps.close()
def update_gps_data(self):
try:
self.gps = Serial(port=self.port, timeout=1)
self.gps_connected = True
print("Updating data from {}".format(self.port))
self.gps_parser = MicropyGPS(
) ## Reinitatialize to ensure that all data is read from the GPS in loop below
loop = True ## Variables used for iteration thru GPS sentences
iter = 1
MAX_ITER = 25
self.gps.flush(
) ## Flush the serial buffer before we read new data
while loop: ## Begin looping through GPS sentence until we have all data populated or we have reached MAX_ITER
self.gps_sentence = self.gps.readline().decode(
"utf-8").rstrip()
print("GPS DATA: {}".format(self.gps_sentence))
for x in self.gps_sentence:
self.gps_parser.update(x)
loop = (self.gps_parser.valid == False
or self.gps_parser.latitude == [0, 0.0, 'N']
or self.gps_parser.altitude == 0.0)
if iter >= MAX_ITER:
loop = False
iter += 1
if iter >= MAX_ITER: ## We ran out of iterations - assume the data is no good (may fail with some GPS units if not all data is returned)
self.lat.configure(text=" ** No Fix ** ")
self.lon.configure(text=" ** No Fix ** ")
self.alt.configure(text=" ** No Fix ** ")
self.time.configure(text=" ** No Fix ** ")
self.date.configure(text=" ** No Fix ** ")
self.gps_valid = False
else: ## We've got all the data, so load it into our data frame
self.gps_lat = self.gps_parser.latitude[
0] + self.gps_parser.latitude[1] / 60
if self.gps_parser.latitude[2] == "S":
self.gps_lat = -self.gps_lat
self.gps_lon = self.gps_parser.longitude[
0] + self.gps_parser.longitude[1] / 60
if self.gps_parser.longitude[2] == "W":
self.gps_lon = -self.gps_lon
self.gps_date = UTC.localize(datetime(self.gps_parser.date[2] + 2000, self.gps_parser.date[1], self.gps_parser.date[0],\
self.gps_parser.timestamp[0], self.gps_parser.timestamp[1], int(self.gps_parser.timestamp[2])))
self.gps_alt = self.gps_parser.altitude
self.lat.configure(text="{:<+.4f} °".format(self.gps_lat))
self.lon.configure(text="{:<+.4f} °".format(self.gps_lon))
self.alt.configure(
text="{:<+,.1f} m".format(int(self.gps_alt)))
self.time.set(self.gps_date)
self.date.set(self.gps_date)
self.time.tick()
self.date.tick('%Y-%m-%d')
self.gps_valid = True
except:
raise
