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(CC2562P) USB Serial Port Disconnection After Soft SYS_RESET.

Luca Vetri
Intellectual 560 points
Other Parts Discussed in Thread: CC2531EMK

Hi,

The title says it all, but let me be more precise.

I have two ZigBee Dongles: CC2531EMK Daughter Card And a Sonoff Dongle CC2562P With a CP201X Silicon Labs Bridge.

I've wrote in Java some code to create a network. When it comes to the SYS_RESET I face a problem.

In the case of the CC2531EMK after the soft reset the dongle reconnects to my serial port interface driver and I end-up completing the create network.

Meanwhile with the Sonoff dongle after the SYS_RESET disconnects and returns 1 single byte: 0x00 and I cannot talk with it anymore. Since the reset fails the 'createnetwork'  fails as well.

When I insert the Sonoff dongle the first time and run the SerialPort Driver I receive a SYS_RESET Packet and I can restore the network and whatever, but if i run a SYS_RESET it get stuck.

Any Idea on how I can workaround this problem?

I've made multiple attempt, but nothing.

BR,

L.V.

  • +1
    TI__Guru**** 218857 points

    Hi L.V.

    I do not have any experience with the dongle mentioned, all I can convey is that a SYS_RESET_REQ MT API command (soft or hard) should result in a SysCtrlSystemReset.  This has never been an issue using Z-Tool and a LAUNCHXL-CC265XR1 in the past.  This could be an issue specifically related to the dongle's interface with your system and you could contact the manufacturer to determine whether there is a recommended method for resetting their hardware.

    Regards,
    Ryan