X-Git-Url: https://zdv2.bktei.com/gitweb/EVA-2020-02-2.git/blobdiff_plain/dc633dfb1034e4158aaa3b5bf9e579711728c1d5..02c9f287f5963f5221b23fb05c2925eb261ca2de:/examples/luftdaten.py

diff --git a/examples/luftdaten.py b/examples/luftdaten.py
index 99a40c0..9995914 100755
--- a/examples/luftdaten.py
+++ b/examples/luftdaten.py
@@ -2,6 +2,7 @@
 
 import requests
 import ST7735
+import time
 from bme280 import BME280
 from pms5003 import PMS5003, ReadTimeoutError
 from subprocess import PIPE, Popen, check_output
@@ -71,7 +72,7 @@ def read_values():
 
 # Get CPU temperature to use for compensation
 def get_cpu_temperature():
-    process = Popen(['vcgencmd', 'measure_temp'], stdout=PIPE)
+    process = Popen(['vcgencmd', 'measure_temp'], stdout=PIPE, universal_newlines=True)
     output, _error = process.communicate()
     output = output.decode()
     return float(output[output.index('=') + 1:output.rindex("'")])
@@ -166,13 +167,19 @@ font = ImageFont.truetype("fonts/Asap/Asap-Bold.ttf", font_size)
 print("Raspberry Pi serial: {}".format(get_serial_number()))
 print("Wi-Fi: {}\n".format("connected" if check_wifi() else "disconnected"))
 
+time_since_update = 0
+update_time = time.time()
+
 # Main loop to read data, display, and send to Luftdaten
 while True:
     try:
+        time_since_update = time.time() - update_time
         values = read_values()
         print(values)
-        resp = send_to_luftdaten(values, id)
-        print("Response: {}\n".format("ok" if resp else "failed"))
+        if time_since_update > 145:
+            resp = send_to_luftdaten(values, id)
+            update_time = time.time()
+            print("Response: {}\n".format("ok" if resp else "failed"))
         display_status()
     except Exception as e:
         print(e)