#!/usr/bin/python3 import tkinter as tk import tkinter.font as tkFont import time import math import sys import gc from gps import * #gpsSess = gps(host="samsungnetbook", mode=WATCH_ENABLE|WATCH_NEWSTYLE) gpsSess = gps(host="172.25.36.43", mode=WATCH_ENABLE|WATCH_NEWSTYLE) #gpsSess = gps(host="127.0.0.1", mode=WATCH_ENABLE|WATCH_NEWSTYLE) # Globals run = True window = tk.Tk() frame = tk.Frame(master = window) canvas = tk.Canvas(master=frame) # Index 0 - 5 - 10 == Red - Yellow - Green segCols = [ "#FF0000", "#FF3300", "#FF6600", "#FF9900", "#FFCC00", "#FFFF00", "#CCFF00", "#99FF00", "#66FF00", "#33FF00", "#00FF00", "#000000" ] satCols = [ "#FF33BB", "#FF33DD", "#FF33FF", "#CC33FF", "#9933FF", "#6633FF", "#3333FF", "#3366FF", "#3399FF", "#33CCFF", "#33FFFF" ] # segStrCols[degreesIndx][radiusIndx] segStrCols = [] for indx in range(24): radDefCols = [ 11 ] * 9 segStrCols = segStrCols + [ radDefCols ] font6 = tkFont.Font(size=6, family="Courier") font7 = tkFont.Font(size=7, family="Courier") font8 = tkFont.Font(size=8, family="Courier") font9 = tkFont.Font(size=9, family="Courier") font12 = tkFont.Font(size=12, family="Courier") font12B = tkFont.Font(size=12, weight="bold", family="Courier") ########################################################################################### # Window close button def closeButton(): global run run = False print("Exit requested") window.destroy() #sys.exit() #raise SystemExit # End closeButton() ########################################################################################### # Create list of points for segment def getSegPoints(origX, origY, degStart, degEnd, innerRad, outerRad): pointList = [] degStart = degStart + 270 if degStart >= 360: degStart -= 360 degEnd = degEnd + 270 if degEnd > 360: degEnd -= 360 # Start inner clock -> inner anti-clock -> outer anti-clock -> outer clock # Inner clockwise pointList = pointList + [ origX + (innerRad * math.cos(math.radians(degEnd))) ] pointList = pointList + [ origY + (innerRad * math.sin(math.radians(degEnd))) ] # Fill in points for deg in range(degEnd, degStart, -1): pointList = pointList + [ origX + (innerRad * math.cos(math.radians(deg))) ] pointList = pointList + [ origY + (innerRad * math.sin(math.radians(deg))) ] # Inner anti-clockwise pointList = pointList + [ origX + (innerRad * math.cos(math.radians(degStart))) ] pointList = pointList + [ origY + (innerRad * math.sin(math.radians(degStart))) ] # Outer anti-clockwise pointList = pointList + [ origX + (outerRad * math.cos(math.radians(degStart))) ] pointList = pointList + [ origY + (outerRad * math.sin(math.radians(degStart))) ] # Fill in points for deg in range(degStart, degEnd, 1): pointList = pointList + [ origX + (outerRad * math.cos(math.radians(deg))) ] pointList = pointList + [ origY + (outerRad * math.sin(math.radians(deg))) ] # Outer clockwise pointList = pointList + [ origX + (outerRad * math.cos(math.radians(degEnd))) ] pointList = pointList + [ origY + (outerRad * math.sin(math.radians(degEnd))) ] return pointList window.title("Andy's GPS SKY") window.resizable(False, False) window.protocol("WM_DELETE_WINDOW", closeButton) window.geometry("800x800") window.configure(bg="#DDDDDD") frame.configure(width=800, height=800, relief=tk.FLAT, borderwidth=0, bg="#DDDDDD") frame.place(x=0, y=0) canvas.configure(width=780, height=780, relief=tk.RIDGE, borderwidth=5, bg="#DDDDDD") canvas.place(x=4, y=4) outLatErr = 9999.99 outLonErr = 9999.99 outAltErr = 9999.99 #print("About to run") while run: #print("Window updating") window.update() #print("Top of loop") rpt = gpsSess.next() #print("Processing data: %s" % (rpt["class"])) if rpt["class"] == "GST": outLatErr = 9999.99 outLonErr = 9999.99 outAltErr = 9999.99 if "lat" in rpt.keys(): outLatErr = rpt["lat"] if "lon" in rpt.keys(): outLonErr = rpt["lon"] if "alt" in rpt.keys(): outAltErr = rpt["alt"] if rpt["class"] == "SKY": for sat in rpt["satellites"]: if sat["el"] < 0 or sat["az"] < 0: continue # 90 deg shift done when printing #degDegs = sat["az"] + 270 #if degDegs >= 360: degDegs -= 360 #degIndx = int(degDegs / 15) degIndx = int(sat["az"] / 15) if degIndx >= 24: degIndx = 23 if degIndx < 0: print("Logic error: degIndx: %d az: %d" % (radIndx, sat["az"])) radIndx = 8 - int(sat["el"] / 10) if radIndx < 0: radIndx = 0 if radIndx > 8: print("Logic error: radIndx: %d el: %d" % (radIndx, sat["el"])) snr = int(sat["ss"] / 5) if snr >= 11: snr = 10 try: if snr > segStrCols[degIndx][radIndx] or segStrCols[degIndx][radIndx] == 11: segStrCols[degIndx][radIndx] = snr #print("Setting %d %d to %d" % (degIndx, radIndx, snr)) except: print("Exception: 131: degIndx: %d, radIndx: %d, el: %d, az: %d, snr: %d" % (degIndx, radIndx, sat["el"], sat["az"], snr)) # Remove old canvas items canvas.delete("all") # Add keys for indx in range(9): canvas.create_rectangle(300 + (indx * 20), 5, 320 + (indx * 20), 25, fill=segCols[indx]) canvas.create_rectangle(300 + (indx * 20), 25, 320 + (indx * 20), 45, fill=satCols[indx]) canvas.create_text(160, 15, text="Segment Signal Strengths", fill="#000000", font=font12) canvas.create_text(160, 35, text="Satellite Signal Strengths", fill="#000000", font=font12) # Draw segments for degIndx in range(0, 24): deg = degIndx * 15 for radIndx in range(0, 9): rad = radIndx * 40 canvas.create_polygon(getSegPoints(400, 415, deg, deg + 15, rad, rad + 40), outline="#FFFFFF", fill=segCols[segStrCols[degIndx][radIndx]], width=2) # Add satellites numUsed = 0 numSats = 0 for sat in rpt["satellites"]: numSats += 1 if sat["used"] == True: numUsed += 1 degDegs = sat["az"] + 270 if degDegs >= 360: degDegs -= 360 centreX = 400 + ((360 - (4 * sat["el"])) * math.cos(math.radians(degDegs))) centreY = 415 + ((360 - (4 * sat["el"])) * math.sin(math.radians(degDegs))) snr = int(sat["ss"] / 5) if snr >= 11: snr = 10 if sat["PRN"] >= 64: if sat["used"]: canvas.create_rectangle(centreX - 6, centreY - 6, centreX + 6, centreY + 6, fill=satCols[snr], outline="#FFFFFF", width=3) else: canvas.create_rectangle(centreX - 6, centreY - 6, centreX + 6, centreY + 6, fill=satCols[snr], outline="#000000", width=3) else: if sat["used"]: canvas.create_oval(centreX - 7, centreY - 7, centreX + 7, centreY + 7, fill=satCols[snr], outline="#FFFFFF", width=3) else: canvas.create_oval(centreX - 7, centreY - 7, centreX + 7, centreY + 7, fill=satCols[snr], outline="#000000", width=3) canvas.create_text(80, 700, fill="#000000", font=font12, text="Satellites\n %d / %d \n\n" % (numUsed, numSats)) canvas.create_text(720, 700, fill="#000000", font=font12, text=" Accuracy\nLat: %.2f\nLon: %.2f\nAlt: %.2f " % (outLatErr, outLonErr, outAltErr))