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EK-TM4C123GXL: EK-TM4C123GXL:

ross abedi
Prodigy 100 points
Part Number: EK-TM4C123GXL

hello, when i connect the micro controller to PC on debug mode it finds the comport on device manager. but when I connect the cable to device port and switch the micro controller, it does not show comport. is there

anyway I can change that so on both mode the comport would be available ?

  • 0
    TI__Guru*** 128025 points

    Hi Ross,

    Yep. Use two USB cables. Slight smile

    Power switch won't really matter at that point - but you can safely connect a cable to each port and then one will be your ICDI com port and the other will be for the USB device.

    Make sure you are using a USB example like usb_dev_serial when trying that as the USB com port will only enumerate with a proper USB example running.

    Best Regards,

    Ralph Jacobi

  • 0 in reply to Ralph Jacobi
    Prodigy 100 points

    Hello, I already run that example. but the thing is I am trying to send data from board to pc. I already have the code that every time user press the button, on the terminal it says " button pressed" but it only work in debug mode. I need the same functionality or something similar that works on device mode and recognize comport when the cable is connected to device

  • 0 in reply to ross abedi
    TI__Guru*** 128025 points

    Hello Ross,

    It sounds like you need start working on developing from an existing example then. The usb_dev_serial will give you an enumerated USB CDC port - how you send or receive data with it from there is up to you. We have a basic application via UART terminals to demonstrate how it works, but to 'send data from board to PC' would be where you need to develop the application further for your specific use case to send the board data you want over USB.

    Best Regards,

    Ralph Jacobi