import numpy as np from cmsisdsp.sdf.nodes.simu import * a=np.zeros(10) f=FIFO(10,a) f.dump() nb = 1 for i in range(4): w=f.getWriteBuffer(2) w[0:2]=nb*np.ones(2) nb = nb + 1 f.dump() print(a) for i in range(4): w=f.getReadBuffer(2) print(w)