Avoid logging errors caused by pins being in use.

Author: jburhenn

myDevices/devices/digital/gpio.py

@@ -179,7 +179,10 @@ def __checkFilesystemExport__(self, channel):
                     f.write("%s" % channel)
             except PermissionError:
                 command = 'sudo python3 -m myDevices.devices.writevalue -f /sys/class/gpio/export -t {}'.format(channel)
-                executeCommand(command)               
+                executeCommand(command)
+            except OSError as ex:
+                debug(ex)
+                return False
             except Exception as ex:
                 error('Failed on __checkFilesystemExport__: ' + str(channel) + ' ' + str(ex))
                 return False
@@ -204,7 +207,6 @@ def __checkFilesystemFunction__(self, channel):
                     # since there is a delay when the gpio channel is first exported
                     sleep(0.01)
 
-
     def __checkFilesystemValue__(self, channel):
         if not self.valueFile[channel]:
             #debug("value file %d not open" %channel)
@@ -286,9 +288,11 @@ def __getFunction__(self, channel):
                 return self.OUT
             else:
                 return self.IN
+        except AttributeError:
+            debug('AttributeError in __getFunction__: '+  str(channel) + ' ' + str(ex))                
         except Exception as ex:
             error('Failed on __getFunction__: '+  str(channel) + ' ' + str(ex))
-            return -1
+        return -1
 
     def __setFunction__(self, channel, value):
         self.__checkFilesystemFunction__(channel)