FFT_Example_674_LE_COFF provided in dsplib_c674x_3_1_1_1

Hi,

I am trying running example code (FFT_Example_674_LE_COFF) provided in dsplib_c674x_3_1_1_1. The readme file shows the following steps to run this example:

1) Load the Project using CCS V4.
2) Re-build the project.
3) Run the generated outfile.
4) Plot the output samples.
5) Compare it with reference output (refOutput_sp.jpg).

I am using CCS5.3 to run the example successfully. However, I am wondering how to plot the output samples in step 4) above. My Qes are:

1) How is the reference output (refOutput_sp.jpg) (graph attached) is gernerated?  It seems that the graph is created by CCS. I am wondering how to create the graph automatically when running the example program in CCS. Any idea?

2) How to explain the reference output? Why are two graphs different? What is DualTimerA-1 and DualTimerB-1?

Thanks for your help in advance!

Best Regards,

Shunnian