shortstheory · February 20, 2020 16:10 · Feb 20, 2020
diff --git a/temp.py b/temp.py
@@ -0,0 +1,33 @@
+import os
+import glob
+import time
+
+base_dir = '/sys/bus/w1/devices/'
+device_folder = glob.glob(base_dir + '28*')[0]
+device_file = device_folder + '/w1_slave'
+
+def read_temp_raw():
+    f = open(device_file, 'r')
+    lines = f.readlines()
+    f.close()
+    return lines
+
+def read_temp():
+    lines = read_temp_raw()
+    while lines[0].strip()[-3:] != 'YES':
+        time.sleep(0.2)
+        lines = read_temp_raw()
+    equals_pos = lines[1].find('t=')
+    if equals_pos != -1:
+        temp_string = lines[1][equals_pos+2:]
+        temp_c = float(temp_string) / 1000.0
+        temp_f = temp_c * 9.0 / 5.0 + 32.0
+        return temp_c, temp_f
+
+def main():
+    while True:
+        c,f = read_temp()
+        print("Temperature - %3.3f C, %3.3f F" % (c,f))
+        time.sleep(1)
+if __name__== "__main__":
+    main()
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