b_data.disconnect(b_data.cid)
b_data.cid = b_data.on_clicked(stop_recording)
def stop_recording(event):
print 'Stop recording'
datalogger.stop_logging()
b_data.label.set_text('Data path')
b_data.color = '0.85'
b_data.disconnect(b_data.cid)
b_data.cid = b_data.on_clicked(data_path)
ax_music = plt.axes([0.13, 0.05, 0.2, 0.075])
ax_data = plt.axes([0.5, 0.05, 0.2, 0.075])
b_music = Button(ax_music, 'Load music')
b_music.cid = b_music.on_clicked(load_music)
b_data = Button(ax_data, 'Data path')
b_data.cid = b_data.on_clicked(data_path)
#buttons end
plt.show()
