Merge pull request #79 from MrYsLab/dht_pin_dup

Creating a second callback for a DHT sensor

pyproject.toml

@@ -7,7 +7,7 @@ find = {}  # Scan the project directory with the default parameters
 
 [project]
 name = "telemetrix"
-version = "1.38"
+version = "1.39"
 authors = [
   { name="Alan Yorinks", email="[email protected]" },
 ]

telemetrix/private_constants.py

@@ -103,7 +103,7 @@ class PrivateConstants:
     FEATURES = 20
     DEBUG_PRINT = 99
 
-    TELEMETRIX_VERSION = "1.38"
+    TELEMETRIX_VERSION = "1.39"
 
     # reporting control
     REPORTING_DISABLE_ALL = 0

telemetrix/telemetrix.py

@@ -867,6 +867,10 @@ def set_pin_mode_dht(self, pin, callback=None, dht_type=22):
                 raise RuntimeError('set_pin_mode_dht: A Callback must be specified')
 
             if self.dht_count < PrivateConstants.MAX_DHTS - 1:
+                if pin in self.dht_callbacks.keys():
+                    if self.shutdown_on_exception:
+                        self.shutdown()
+                    raise RuntimeError(f'set_pin_mode_dht Pin {pin} already assigned')
                 self.dht_callbacks[pin] = callback
                 self.dht_count += 1