Command to get battery state has been removed

src/controller/controller.h

@@ -13,7 +13,7 @@
 typedef enum{
     CMD_SET_CURRENT= 0x05,
     CMD_GET_MEASUREMENT= 0x06, 
-    CMD_GET_BATTERY_STATE= 0x07, 
+    //CMD_GET_BATTERY_STATE= 0x07, 
     CMD_CELAR_ERR= 0x08
 }mcu_I2C_command;