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import time
import serial
import webbrowser
import os
from serial.tools import list_ports
import datetime
from tkinter import *
from tkinter import ttk
from tkinter import messagebox
from tkinter.filedialog import askopenfilename
from tkinter.filedialog import asksaveasfilename
from serial.tools import list_ports
import csv
import re
#
# /******************************************************************************
# @file gps_tracker_gui.py
# @brief front end file
# Group: WCS LPC
# $Target Device: DEVICES $
# ******************************************************************************
# $License: BSD3 2016 $
# ******************************************************************************
# $Release Name: PACKAGE NAME $
# $Release Date: PACKAGE RELEASE DATE $
# *****************************************************************************/
#
class App:
# GLOBALS
nodes = []
known_addresses = []
gpsTurnedOn = FALSE
gpsStayOn = FALSE
ser = serial.Serial()
comport = ''
csvName = ''
append = FALSE
cancel = FALSE
serReads = [1]
# DEFINITIONS
class Node:
def __init__(self, address):
self.addr = address
self.gps = []
class Fix:
lat = ''
lng = ''
latDM = ''
lngDM = ''
alt = ''
rssi = ''
fixTime = '' # Time GPS fix was taken
plotTime = '' # Time fix is plotted
# FUNCTIONS
def writeData(self, addr, fix, overwrite_csv):
f = open('gpsdata.js', 'rb+')
f.seek(-1, 2)
f.truncate()
f.close()
f = open('gpsdata.js', 'r+')
f.seek(0, 2)
f.write('{ addr: ' + str(addr) + ', ' \
+ 'lat: ' + fix.lat + ', ' \
+ 'lng: ' + fix.lng + ', ' \
+ 'alt: ' + fix.alt + ', ' \
+ 'rssi: ' + fix.rssi + ', ' \
+ 'time: \'' + fix.fixTime + '\' },\n]')
f.close()
now = datetime.datetime.utcnow()
#if(not overwrite_csv):
with open(self.csvName, 'a', newline='') as csvfile:
writer = csv.writer(csvfile)
writer.writerow((str(addr), fix.lat, fix.lng, fix.alt, fix.rssi, fix.fixTime, str(now.year) \
+ '-' + str(now.month).zfill(2) \
+ '-' + str(now.day).zfill(2), fix.latDM, fix.lngDM, fix.plotTime))
def addFix(self, addr, fix, overwrite_csv):
if addr not in self.known_addresses:
self.nodes.append(self.Node(addr))
self.known_addresses.append(addr)
self.nodes[self.known_addresses.index(addr)].gps.append(fix)
self.writeData(addr, fix, overwrite_csv)
def serialUpdate(self, event):
ports = sorted(list_ports.comports())
self.port_names = []
for i, port in enumerate(ports):
if "Application" in port.description:
self.port_names.append(port.device)
self.serialBox['values'] = self.port_names
def serialGet(self, event):
self.comport = self.serialBox.get()
def overwriteCSV(self, ow):
self.overwrite = TRUE
ow.destroy()
def appendCSV(self, ow):
self.overwrite = FALSE
ow.destroy()
def cancelCSV(self, ow):
self.cancel = TRUE
ow.destroy()
# MAIN PROGRAM FUNCTIONS
def startGPS(self):
self.serialBox.state = "disabled"
if(self.gpsTurnedOn == FALSE):
self.gpsTurnedOn = TRUE
self.overwrite = FALSE
self.cancel = FALSE
self.csvName = asksaveasfilename(initialdir = "/csv", title = "New csv File", defaultextension = ".csv",filetypes = (("csv files","*.csv"),("all files","*.*")))
# Overwrite or append file?
if os.path.isfile(self.csvName):
ow = Toplevel()
ow.title('Overwrite')
ow.geometry('300x100')
frame1 = Frame(ow)
frame2 = Frame(ow)
frame1.place(relx=0.05, rely=0.1, relheight=0.4, relwidth=0.9)
frame2.place(relx=0.05, rely=0.5, relheight=0.4, relwidth=0.9)
Label(frame1, text="Overwrite or append to existing file?").place(relx=0.5, rely=0, anchor=N)
Button(frame2, text='Overwrite', command=lambda: self.overwriteCSV(ow)).place(relx=0, relwidth=0.3, anchor=NW)
Button(frame2, text='Append', command=lambda: self.appendCSV(ow)).place(relx=0.5, relwidth=0.3, anchor=N)
Button(frame2, text='Cancel', command=lambda: self.cancelCSV(ow)).place(relx=1, relwidth=0.3, anchor=NE)
self.master.wait_window(ow)
else:
self.overwrite = TRUE
if self.cancel == FALSE:
if self.overwrite:
f = open(self.csvName, 'w')
f.truncate()
f.close()
with open(self.csvName, 'w', newline='') as csvfile:
writer = csv.writer(csvfile)
writer.writerow(('Node Address', 'Latitude (°)', 'Longitude (°)', \
'Altitude (m)', 'RSSI (dBm)', 'Time of Fix (UTC)', 'Date', \
'Latitude (DM)', 'Longitude (DM)', 'Time of Plot (UTC)'))
self.ser = serial.Serial(self.comport, 115200, timeout=0.5)
# Erase js file
f = open('gpsdata.js', 'r+')
f.truncate()
f.write('var gps = [\n]')
f.close()
webbrowser.open('cc13xx_map.html')
self.gpsStayOn = TRUE
else:
self.stopGPS()
if self.gpsStayOn:
in_str = ''
if self.ser.in_waiting > 0:
try:
in_byte = self.ser.read(1)
except:
self.stopGPS()
else:
in_str = in_byte.decode('utf-8')
if in_str == '$':
try:
in_byte = self.ser.read(18)
except TypeError as e:
in_str = ''
messagebox.showinfo('Error', 'COM Port Disconnected')
self.stopGPS()
else:
address = in_byte[0]
rssi = int.from_bytes(bytes([in_byte[1]]), byteorder='little', signed=True)
latDM = int.from_bytes(in_byte[2:4], byteorder='little', signed=True)
latm = int.from_bytes(in_byte[4:7], byteorder='little', signed=False)
lngDM = int.from_bytes(in_byte[7:9], byteorder='little', signed=True)
lngm = int.from_bytes(in_byte[9:12], byteorder='little', signed=False)
altA = int.from_bytes(in_byte[12:14], byteorder='little', signed=False)
alta = in_byte[14]
time = in_byte[15:]
gps = self.Fix()
latmstr = str(latm).zfill(6)
lngmstr = str(lngm).zfill(6)
gps.latDM = str(latDM)[0:-2] + ' ' + str(latDM)[-2:] + '.' + latmstr
gps.lngDM = str(lngDM)[0:-2] + ' ' + str(lngDM)[-2:] + '.' + lngmstr
gps.lat = str(latDM)[0:-2] \
+ str(float(str(latDM)[-2:] \
+ '.' + latmstr)/60)[1:10]
gps.lng = str(lngDM)[0:-2] \
+ str(float(str(lngDM)[-2:] \
+ '.' \
+ lngmstr)/60)[1:10]
gps.alt = str(altA) + '.' + str(alta)
gps.fixTime = str(time[0]).zfill(2) + ':' \
+ str(time[1]).zfill(2) + ':' \
+ str(time[2]).zfill(2)
gps.rssi = str(rssi)
now = datetime.datetime.utcnow()
gps.plotTime = str(now.hour).zfill(2) + ':' \
+ str(now.minute).zfill(2) + ':' \
+ str(now.second).zfill(2)
self.addFix(address, gps, self.overwrite)
self.master.after(100, self.startGPS)
else:
self.gpsTurnedOn = FALSE
def stopGPS(self):
if self.gpsStayOn:
self.ser.close()
self.serialBox.set('')
self.serialBox.state = "enabled"
self.gpsStayOn = FALSE
self.csvName = ''
def saveCSV(self):
f_name = asksaveasfilename(initialdir="/", title="Filename to save as", \
defaultextension=".csv", \
filetypes=(("csv files", "*.csv"), ("all files", "*.*")))
with open(f_name, 'w', newline='') as csvfile:
writer = csv.writer(csvfile)
writer.writerow(('Node Address', 'Latitude (°)', 'Longitude (°)', 'Altitude (m)', \
'RSSI (dBm)', 'Time of Fix (UTC)', 'Date', 'Latitude (DM)', \
'Longitude (DM)', 'Time of Plot (UTC)'))
for n in self.nodes:
for fix in n.gps:
writer.writerow((str(n.addr), fix.lat, fix.lng, fix.alt, fix.rssi, \
fix.fixTime, str(now.year) + '-' + str(now.month).zfill(2) \
+ '-' + str(now.day).zfill(2), fix.latDM, fix.lngDM, fix.plotTime))
def openCSV(self):
# Reset variables
self.nodes = []
self.known_addresses = []
f = open('gpsdata.js', 'r+')
f.truncate()
f.write('var gps = [\n]')
f.close()
f = open('gpsdata.js', 'rb+')
f.seek(-1, 2)
f.truncate()
f = open('gpsdata.js', 'r+')
f.seek(0, 2)
self.csvName = askopenfilename(initialdir="/csv", title="Select file to open", \
filetypes=(("csv files", "*.csv"), ("all files", "*.*")))
with open(self.csvName) as csvfile:
readCSV = csv.reader(csvfile)
for i, row in enumerate(readCSV):
if i > 0:
f.write('{ addr: ' + row[0] + ', ' \
+ 'lat: ' + row[1] + ', ' \
+ 'lng: ' + row[2] + ', ' \
+ 'alt: ' + row[3] + ', ' \
+ 'rssi: ' + row[4] + ', ' \
+ 'time: \'' + row[5] + '\' },\n')
f.write(']')
f.close()
self.csvName = ''
webbrowser.open('cc13xx_map.html')
def __init__(self, master):
self.master = master
self.master.title('GPS Range Test')
self.master.resizable(width=False, height=False)
self.master.geometry("275x240")
#title = Label(root,text='TI CC13xx GPS to Map')
self.frame1 = Frame(root)
self.frame2 = Frame(root)
self.frame4 = Frame(root)
self.frame5 = Frame(root)
self.frame1.place(relx=0.1, rely=0.1, relheight=0.15, relwidth=0.8)
self.frame2.place(relx=0.1, rely=0.25, relheight=0.25, relwidth=0.8)
self.frame4.place(relx=0.1, rely=0.5, relheight=0.2, relwidth=0.8)
self.frame5.place(relx=0.1, rely=0.73, relheight=0.2, relwidth=0.8)
# title
self.Title = Label(self.frame1, text="TI CC13xx GPS Range Test", \
justify=CENTER, font=("Arial Bold", 10))
self.Title.pack(fill=BOTH)
# Buttons
self.bStart = Button(self.frame4, state=NORMAL, text="Start", \
command=self.startGPS).place(rely=0.15, relheight=.7, relwidth=.45)
self.bStop = Button(self.frame4, state=NORMAL, text="Stop", \
command=self.stopGPS).place(relx=0.55, rely=0.15, relheight=.7, relwidth=.45)
self.bOpen = Button(self.frame5, state=NORMAL, text="Open .csv", \
command=self.openCSV).place(rely=0.15, relheight=.7, relwidth=1)
# Get COM ports
self.port_names = []
ports = sorted(list_ports.comports())
for i, port in enumerate(ports):
if "Application" in port.description:
self.port_names.append(port.device)
# Com Ports Dropdown
self.serialLabel = Label(self.frame2, text="Serial Port", font=("Arial", 8))
self.serialLabel.place(rely=0)
self.serialBox = ttk.Combobox(self.frame2)
self.serialBox.bind("<<ComboboxSelected>>", self.serialGet)
self.serialBox.bind("<Button-1>", self.serialUpdate)
self.serialBox.place(rely=0.4, relwidth=1)
self.serialBox['values'] = self.port_names
# Create CSV Folder
if not os.path.isdir('csv'):
os.makedirs('csv')
# Start GUI
root = Tk()
app = App(root)
root.mainloop()
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