Adds detection of USB port on Mac

.gitignore

@@ -0,0 +1,2 @@
+Data/**
+Calibration Files/**

.gitmodules

@@ -0,0 +1,10 @@
+[submodule "Protocols/Matching"]
+	path = Protocols/Matching
+	url = https://github.com/tsgouvea/BpodProtocols_Matching.git
+[submodule "Protocols/FI_2AFC"]
+	path = Protocols/FI_2AFC
+	url = https://github.com/tsgouvea/BpodProtocols_FI_2AFC.git
+[submodule "Protocols/Olf2AFC"]
+	path = Protocols/Olf2AFC
+	url = https://github.com/tsgouvea/BpodProtocols_Olf2AFC.git
+	branch = junya

Functions/Internal Functions/FindArduinoPorts.m

@@ -11,7 +11,20 @@
     end
     ArduinoPorts = ArduinoPorts(1:nPorts);
 elseif ismac
-
+    [trash, RawSerialPortList] = system('ls /dev/tty.usbmodem*');
+    string = strtrim(RawSerialPortList);
+    PortStringPositions = strfind(string, '/dev/tty.usbmodem');
+    nPorts = length(PortStringPositions);
+    CandidatePorts = cell(1,nPorts);
+    nGoodPorts = 0;
+    for x = 1:nPorts
+        if PortStringPositions(x)+20 <= length(string)
+            CandidatePort = strtrim(string(PortStringPositions(x):PortStringPositions(x)+20));
+            nGoodPorts = nGoodPorts + 1;
+            CandidatePorts{nGoodPorts} = CandidatePort;
+        end
+    end
+    ArduinoPorts = CandidatePorts(1:nGoodPorts);
 else
     [trash, RawSerialPortList] = system('ls /dev/ttyACM*');
     string = strtrim(RawSerialPortList);