# template for Lab #2, Task #5
import random
import matplotlib.pyplot as p
import lab2

# turn on interactive mode, useful if we're using ipython
p.ion()  

def plot_eye_diagram(channel,samples_per_bit=8,plot_samples=16):
    """
    Plot eye diagram for given channel using a 200-bit random
    message.  samples_per_bit determines how many samples
    are sent for each message bit. plot_samples determines
    how many samples should be included in each plot overlay.
    plot_samples should be an integer multiple of samples_per_bit.
    """
    pass  # your function here

if __name__ == '__main__':
    # plot the eye diagram for both our channels

    # Experiment with different values of samples_per_bit for both
    # channels until you feel that the eye is open enough to permit
    # successful reception of the transmitted bits.  The result
    # will be different for the two channels.
    plot_eye_diagram(lab2.channel1,samples_per_bit=40)
    plot_eye_diagram(lab2.channel2,samples_per_bit=40)

    # interact with plots before exiting.  p.show() returns
    # after all plot windows have been closed by the user.
    # Not needed if using ipython
    p.show()