Add ultrasonic sensor

raspbot_v2_interface/Raspbot_Lib/Raspbot_Lib.py

@@ -196,7 +196,15 @@ class Raspbot():
         except:
             print ('Ctrl_getDis_Switch I2C error')
 
-
+    def Read_Ultrasonic(self):
+        try:
+            diss_H = self.read_data_array(0x1b, 1)[0]
+            diss_L = self.read_data_array(0x1a, 1)[0]
+            dis = (diss_H << 8) | diss_L
+            return dis
+        except:
+            print('Read_Ultrasonic I2C error')
+            return None
 
 
 #控制灯珠特效