Listing 6. Pseudo-code of the our Python API for the Model creation.

from DNN_framework_lib import Sequential from pynq import Overlay import~ctypes   class Sequential:     ...     def __init__(self, board_name=None):         self.board_name = board_name     def load_model(self, interface):         ...     def predict(self, X):         return self.interface.predict(X)     ...   def Create_Model(bitstream, shared_library):     overlay = Overlay(bitstream) # load bitstream into FPGA     shared_lib = ctypes.CDLL(shared_library) # load lib into memory     interface = create_interface(shared_lib) # adpat C functions to the python     model = Sequential().load_model()     return model