basic read command Python script

Author: orangecms

scripts/bridge.py

@@ -187,6 +187,9 @@ def main():
         if command == 'SENSORS_SCAN':
             sensors.scan()
 
+        if command == 'SENSORS_READ':
+            sensors.read()
+
         # -------------------------------- Write block -----------------------------------
 
         if command == 'START_WRITE':

scripts/sensors.py

@@ -3,7 +3,7 @@
 import sys
 import threading
 import time
-
+from PSL.SENSORS.SHT21 import SHT21
 
 class Sensors:
     def __init__(self, I, file_write):
@@ -39,6 +39,22 @@ def capture_loop(self):
             if self.active_category == 'SCAN':
                 self.scan()
 
+    def read(self):
+        datetime_data = datetime.datetime.now()
+        timestamp = time.time()
+
+        sensor = SHT21(self.device.I2C)
+        data = sensor.getRaw()
+
+        self.file_write.update_buffer(
+            "SENSORS", timestamp=timestamp, datetime=datetime_data, data='scan', value=data)
+        time.sleep(0.25)
+
+        output = {'type': 'SENSORS_READ', 'data': data}
+        print(json.dumps(output))
+        sys.stdout.flush()
+
+
     def scan(self):
         datetime_data = datetime.datetime.now()
         timestamp = time.time()