Now don't try to reserve a pin for DIO3 on the pi header as it's not …

…connected.

Bump the version number for a new release

dragino/SX127x/board_config.py

@@ -35,7 +35,7 @@ class BOARD:
     DIO0 = 4   # RaspPi GPIO 4
     DIO1 = 23   # RaspPi GPIO 23
     DIO2 = 24   # RaspPi GPIO 24
-    DIO3 = 20   # RaspPi GPIO 20
+    DIO3 = None # Not connected on dragino header
     LED  = 18   # RaspPi GPIO 18 connects to the LED on the proto shield
     SWITCH = 4  # RaspPi GPIO 4 connects to a switch
     SPI_CS = 2  # Chip Select pin to use
@@ -55,7 +55,8 @@ def setup():
         GPIO.setup(BOARD.SWITCH, GPIO.IN, pull_up_down=GPIO.PUD_DOWN) 
         # DIOx
         for gpio_pin in [BOARD.DIO0, BOARD.DIO1, BOARD.DIO2, BOARD.DIO3]:
-            GPIO.setup(gpio_pin, GPIO.IN, pull_up_down=GPIO.PUD_DOWN)
+            if gpio_pin is not None:
+                GPIO.setup(gpio_pin, GPIO.IN, pull_up_down=GPIO.PUD_DOWN)
         # blink 2 times to signal the board is set up
         BOARD.blink(.1, 2)
 
@@ -88,10 +89,14 @@ def add_event_detect(dio_number, callback):
 
     @staticmethod
     def add_events(cb_dio0, cb_dio1, cb_dio2, cb_dio3, cb_dio4, cb_dio5, switch_cb=None):
-        BOARD.add_event_detect(BOARD.DIO0, callback=cb_dio0)
-        BOARD.add_event_detect(BOARD.DIO1, callback=cb_dio1)
-        BOARD.add_event_detect(BOARD.DIO2, callback=cb_dio2)
-        BOARD.add_event_detect(BOARD.DIO3, callback=cb_dio3)
+        if BOARD.DIO0 is not None:
+            BOARD.add_event_detect(BOARD.DIO0, callback=cb_dio0)
+        if BOARD.DIO1 is not None:
+            BOARD.add_event_detect(BOARD.DIO1, callback=cb_dio1)
+        if BOARD.DIO2 is not None:
+            BOARD.add_event_detect(BOARD.DIO2, callback=cb_dio2)
+        if BOARD.DIO3 is not None:
+            BOARD.add_event_detect(BOARD.DIO3, callback=cb_dio3)
         # the modtronix inAir9B does not expose DIO4 and DIO5
         if switch_cb is not None:
             GPIO.add_event_detect(BOARD.SWITCH, GPIO.RISING, callback=switch_cb, bouncetime=300)

setup.py

@@ -5,7 +5,7 @@
 
 setuptools.setup(
     name="dragino",
-    version="0.0.3",
+    version="0.0.4",
     author="Philip Basford",
     author_email="P.J.Basford@soton.ac.uk",
     description="A wrapper for the dragino LoRa/GPS HAT",