Add access to GP Counter and Hardware Buffer Index

python/amptek_hardware_interface/AmptekPX5

@@ -612,6 +612,14 @@ class AmptekPX5(Device):
     def IsHardwareBufferingRunning(self, max_age_ms):
         return self.get_status_attribute(max_age_ms, "SequentialBufferRunning")
 
+    @command(dtype_in = float, dtype_out = float)
+    def HardwareBufferingIndex(self, max_age_ms):
+        return self.get_status_attribute(max_age_ms, "SequentialBufferIndex")
+    
+    @command(dtype_in = float, dtype_out = float)
+    def GpCounter(self, max_age_ms):
+        return self.get_status_attribute(max_age_ms, "GpCount")
+        
     @command 
     def ClearAlarm(self):
         self.set_state(DevState.ON)