OLED display code to implement later.

build/display/current_total-aircraft_with-positions.py

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+#####################################################################################
+#                                   ADS-B RECEIVER                                  #
+#####################################################################################
+#                                                                                   #
+#  A set of scripts created to automate the process of installing the software      #
+#  needed to setup a Mode S decoder as well as feeders which are capable of         #
+#  sharing your ADS-B results with many of the most popular ADS-B aggregate sites.  #
+#                                                                                   #
+#  Project Hosted On GitHub: https://github.com/jprochazka/adsb-receiver            #
+#                                                                                   #
+# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # #
+#                                                                                   #
+# Copyright (c) 2015 Joseph A. Prochazka                                            #
+#                                                                                   #
+# Permission is hereby granted, free of charge, to any person obtaining a copy      #
+# of this software and associated documentation files (the "Software"), to deal     #
+# in the Software without restriction, including without limitation the rights      #
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell         #
+# copies of the Software, and to permit persons to whom the Software is             #
+# furnished to do so, subject to the following conditions:                          #
+#                                                                                   #
+# The above copyright notice and this permission notice shall be included in all    #
+# copies or substantial portions of the Software.                                   #
+#                                                                                   #
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR        #
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,          #
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE       #
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER            #
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,     #
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE     #
+# SOFTWARE.                                                                         #
+#                                                                                   #
+# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # #
+
+import json
+import datetime
+
+from oled.device import ssd1306, sh1106
+from oled.render import canvas
+from PIL import ImageDraw, ImageFont
+from time import time, sleep
+
+
+with open('/run/dump1090-mutability/aircraft.json') as aircraft_json:
+    aircraft_data = json.load(aircraft_json)
+
+
+def date_and_time():
+    now = datetime.datetime.now()
+    return now.strftime("%m/%d/%Y %I:%M %p")
+
+def aircraft_total():
+    return len(aircraft_data['aircraft'])
+
+def aircraft_with_positions():
+    with_positions = 0
+    for aircraft in aircraft_data['aircraft']:
+        if 'seen_pos' in aircraft:
+            with_positions += 1
+    return with_positions
+
+
+def stats(oled):
+    font = ImageFont.load_default()
+    font2 = ImageFont.truetype('fonts/alert.ttf', 12)
+    font3 = ImageFont.truetype('fonts/alert.ttf', 36)
+    with canvas(oled) as draw:
+        draw.text((0, 0), date_and_time(), font=font2, fill=255)
+        draw.text((0, 14), "Total / With Positions", font=font2, fill=255)
+        draw.text((0, 28), str(aircraft_total()) + "/" + str(aircraft_with_positions()), font=font3, fill=255)
+
+def main():
+    oled = ssd1306(port=1, address=0x3C)
+    stats(oled)
+
+if __name__ == "__main__":
+    main()