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F28069 debug connection and ePWM pin outputs

Da Wang
Prodigy 20 points

Other Parts Discussed in Thread: CONTROLSUITE

Hello, 

I am a new comer for f28069. 

What I  do is input f28069 voltages and currents signals of a VSC, develope control algorithms in CCS 7 and aks f28069 to output PWM signals to IGBT of VSC.

My first question is: I connect C2000 microcontroller dock with a f28069 processor to my computer through USB connection. I do not know select which debuger probe. I tried XDS 100 V1 USB debug probe and click on "verify" . The test is succeded, so shall I use this debuger probe?

I input correct voltages and currents signals to f28069. I debuged my code. I tried to output PWM signals through GPIO pins, from 00-05(corresponding to ePWM 1, 2 and 3).  But the outputs of ePWM pins are always 0. Could somebody give me some clue why the outputs are 0?

Thank you very much.

Da Wang

  • 0
    Guru 192875 points
    Hi,

    Did you download controlSuite for device examples? If not, then do download the same and navigate to :
    C:\ti\controlSUITE\device_support\f2806x\v151\F2806x_examples_ccsv5

    You can find all the peripheral examples here. Simply import them to CCS and debug.

    Regards,
    Gautam
  • 0 in reply to Gautam Iyer
    Prodigy 20 points

    Thank you very much. Gautam Iyer. I solved this problem by connecting correctly ground PINs to my test devices.  Just another simple question, why we still need JTAG on board since we can use USB connection to debug codes in the processor?

    BR

    Da Wang.

  • 0 in reply to Da Wang
    Guru 192875 points

    Da Wang said:
    Just another simple question, why we still need JTAG on board since we can use USB connection to debug codes in the processor?

    I hope you know that the USB connection is to the JTAG debugger and then to the controller & not the other way round!