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Original question:

CCS/TMDSEMU110-U: User Uart COM Port not available

CCS/TMDSEMU110-U: Serial communication using XDS110 Debug Probe

Nhizanth Raghavan
Prodigy 185 points
Part Number: TMDSEMU110-U

Tool/software: Code Composer Studio

Hi All,

I'm using XDS110 Debug probe to send and receive data to the target device which is MCU  through UART (Serial communication).

Trying to read Temperature, voltage, current, and enable/disable output of the target through commands 

Can anyone help me out how to use it?

I have few questions to,

Is XDS110 Debug Probe is compatible with MCU PIC18 serial comm?

I tried using Tera Term for the serial communication, but I didn't get any return responses from the device using the same XDS110 debug probe

is there any command carrier such as \ or enter or tab after entering he commands?

Thanks 

Nhizanth

  • 0
    TI__Guru**** 171034 points

    Nhizanth,

    The TMDSEMU110-U implements a standard UART port that is mapped to the COM port named "Class Application/User UART" (this is how it is shown in the Control Panel if you are using Windows).

    This port has no protocol associated with it - it is plain data. It does not have hardware handshake (either CTS/DTR or Xon/Xoff) and the data transfer settings are  completely configured by the application running on the target device: bits per second (bps), start / stop bits, parity. 

    One common issue is to set it to the wrong port or the wrong speed. To validate this configuration, I strongly suggest to start with an example code such as uartecho or something similar. 

    Another common issue is described at the section UART considerations of the XDS110 page below:

    https://software-dl.ti.com/ccs/esd/documents/xdsdebugprobes/emu_xds110.html 

    Hope this helps,

    Rafael