Lab 8: IQmath FIR Filter
8 - 40 C2000 Microcontroller Workshop - Numerical Concepts
Run the Code – Floating-Point Filtered Waveform
21. Change the dual-time and FFT Magnitude graphs to display 32-bit floating-point rather
than 32-bit signed integer. Click the “Show the Graph Properties” icon for
each graph and change the DSP Data Type to 32-bit floating-point.
22. Run the code (real-time mode) by using the Script function: Scripts Realtime
Emulation Control Run_Realtime_with_Reset.
23. The graphical display should show the generated FIR filtered 2 kHz, 25% duty cycle
symmetric PWM waveform in the Dual Time A display and the unfiltered waveform in
the Dual Time B display. The FFT Magnitude graphical displays should show the
frequency components of the filtered and unfiltered 2 kHz, 25% duty cycle symmetric
PWM waveforms.
24. Fully halt the CPU (real-time mode) by using the Script function: Scripts
Realtime Emulation Control Full_Halt.
Terminate Debug Session and Close Project
25. Terminate the active debug session using the Terminate button. This will close the
debugger and return CCS to the “CCS Edit Perspective” view.
26. Next, close the project by right-clicking on Lab8 in the Project Explorer window
and select Close Project.
End of Exercise
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