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Datalog buffers and visualizing waveforms for the Bridgeless PFC Kit

Other Parts Discussed in Thread: CONTROLSUITE, TMS320F28035

Hello,

I am working with the High Voltage Bridgeless PFC Kit : http://www.ti.com/tool/tmdshvblpfckit

It uses a TMS320F28035 microcontroller and I am trying to use Datalog buffers to visualize voltage and current waveforms on the graph windows in the Code Composer Studio environment but facing difficulties. The example project in controlSUITE dosen't have this feature.

The TI High Voltage Digital Motor control Kit (http://www.ti.com/tool/tmdshvmtrpfckit) which also uses the same TMS320F28035 has many example projects for control of different motors and many of the example projects have the graph viewing feature using the datalog buffers.

On doing some research, I found out that the datalog buffer module library uses RAM to store continuous sets of data and then displays them in CCS. The Bridgless PFC file has only a FLASH configuration, how do I create a configuration file which executes code from RAM ? I can then re use the same code from the Motor control Kit to view graphs.

I will be grateful if I can receive some inputs and assistance to use the datalog buffers and view waveforms for the PFC Kit. 

Thank you

  • Hi Ramesh,

    Unfortunately I don't have an answer to your problem but I would like to ask you what exactly is the Datalog buffer? I'm also working with the same kit and controller but I'm very weak in programming.

    Regrads,
    Greg