Merge pull request #1295 from jepler/feather_can_fixes

fix BOOST_STANDBY pin handling

Author: jepler

FeatherCAN_CircuitPython/listener-ack.py

@@ -11,8 +11,8 @@
 
 # If the CAN transceiver is powered by a boost converter, turn on its supply
 if hasattr(board, 'BOOST_ENABLE'):
-    standby = digitalio.DigitalInOut(board.CAN_STANDBY)
-    standby.switch_to_output(True)
+    boost_enable = digitalio.DigitalInOut(board.BOOST_ENABLE)
+    boost_enable.switch_to_output(True)
 
 can = canio.CAN(rx=board.CAN_RX, tx=board.CAN_TX, baudrate=250_000, auto_restart=True)
 listener = can.listen(matches=[canio.Match(0x408)], timeout=.9)

FeatherCAN_CircuitPython/listener.py

@@ -11,8 +11,8 @@
 
 # If the CAN transceiver is powered by a boost converter, turn on its supply
 if hasattr(board, 'BOOST_ENABLE'):
-    standby = digitalio.DigitalInOut(board.CAN_STANDBY)
-    standby.switch_to_output(True)
+    boost_enable = digitalio.DigitalInOut(board.BOOST_ENABLE)
+    boost_enable.switch_to_output(True)
 
 can = canio.CAN(rx=board.CAN_RX, tx=board.CAN_TX, baudrate=250_000, auto_restart=True)
 listener = can.listen(matches=[canio.Match(0x408)], timeout=.9)

FeatherCAN_CircuitPython/sender-ack.py

@@ -12,8 +12,8 @@
 
 # If the CAN transceiver is powered by a boost converter, turn on its supply
 if hasattr(board, 'BOOST_ENABLE'):
-    standby = digitalio.DigitalInOut(board.CAN_STANDBY)
-    standby.switch_to_output(True)
+    boost_enable = digitalio.DigitalInOut(board.BOOST_ENABLE)
+    boost_enable.switch_to_output(True)
 
 can = canio.CAN(rx=board.CAN_RX, tx=board.CAN_TX, baudrate=250_000, auto_restart=True)
 listener = can.listen(matches=[canio.Match(0x409)], timeout=.1)

FeatherCAN_CircuitPython/sender.py

@@ -12,8 +12,8 @@
 
 # If the CAN transceiver is powered by a boost converter, turn on its supply
 if hasattr(board, 'BOOST_ENABLE'):
-    standby = digitalio.DigitalInOut(board.CAN_STANDBY)
-    standby.switch_to_output(True)
+    boost_enable = digitalio.DigitalInOut(board.BOOST_ENABLE)
+    boost_enable.switch_to_output(True)
 
 can = canio.CAN(rx=board.CAN_RX, tx=board.CAN_TX, baudrate=250_000, auto_restart=True)