Update main.py

main.py

@@ -82,7 +82,10 @@ def WriteProperty(device, location, offset, width, write_value, verbose=False):
         print("An error occured while executing C function write_bits.")
         return -1
     # Readback as checkout
-    read_value_new = ctypes.c_uint(reg.read_bits(device, location)).value
+    isReadcheck = ctypes.c_uint(reg.read_bits(device, location, ctypes.byref(read_value))).value
+    if isReadcheck == -1:
+        print("An error occured while executing C function read_bits")
+        return -1
     if read_value_new == output: 
         return 0
     else: