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RTOS/CC1310: Serial bootLoader works with XDS110 Debugger but not with USB TTL Converter

Harsha Reddy66
Expert 1535 points
Part Number: CC1310

Tool/software: TI-RTOS

Hello,

        We are trying to implement serial boot loader on CC1310 LaunchPad. We can able to program through serial bootloader via XDS110 Debugger but We were not able to program through USB TTL Converter(UART lines DIO2, DIO3).

We are following the below procedure.

- Connected DIO 2 and DIO 3 to PC via USB TTL converter.

- Connected DIO 14 to LOGIC HIGH(During Reset We are making low to enter into bootloader mode).

- Then we are running sblAppEx.exe with the selected COM port.

  I think we are following the correct procedure because we can able to run via XDS110 Debugger correctly. So, Can you please tell us,Did we do anything wrong, when we are running with USB TTL converter?

Regards,

Harsha

  • 0
    TI__Guru**** 317180 points
    - Do you use the exact same method when using the XDS110 and the USB TTL Converter? If so, how do you know it doesn't work with the later?

    - What is the max baud rate for the USB TTL Converter?
  • 0
    Guru 735685 points
    If you use Flash Programmer 2 instead of sblAppEx.exe to do update via USB TTL converter, doesn it work?
  • 0 in reply to TER
    Expert 1535 points

    1. Do you use the exact same method when using the XDS110 and the USB TTL Converter? If so, how do you know it doesn't work with the later?

       Yes, We are using same method with USB TTL as well. It is not programming it gives an error like

       "No response from device. Device may not be in bootloader mode. Reset device and try again.

         If problem persists, check connection and baud rate."

    2. What is the max baud rate for the USB TTL Converter?

       With the USB TTL we can achieve 3M baudrate. but we are using 230400.

    3. If you use Flash Programmer 2 instead of sblAppEx.exe to do update via USB TTL converter, doesn it work?

        Yeah. We tried using Flash Programmer 2 as well, but we were getting same error. Please find the attached screenshot for the reference.

    Regards,

    Harsha

  • 0 in reply to Harsha Reddy66
    Guru 735685 points
    Can you take a picture to show me your connection between CC1310 and USB TTL converter to PC?
  • 0 in reply to YiKai Chen
    TI__Guru**** 317180 points
    Closing this thread since I haven't heard back from you.