About KLim.2

KLim.2 · 2023-02-02

HelloI am building an USB PD application.- MCU: STM32G071RB- Tool: STM32CubeIDE (Firmware version 1.6.1)I am using 2 USB PD ports (UCPD1 and UCPD2).The power role of UCPD1 is DRP, and UCPD2 is Sink.And I am reading debug messages through STM32CubeMon...

KLim.2 · 2023-02-16

Hi @Nicolas P ,Your understanding is correct.SendRequest() and SendRequestDefault() send a Request message on the Sink port side. The port number is specified inside of the functions.In which cases is the REQUEST_DISCARDED message generated?Where do...

KLim.2 · 2023-02-15

The previous attached cpd file was deleted automatically.I attached the file in ZIP format.

KLim.2 · 2023-02-15

Hello @Nicolas P ,Each port is connected to a different device.DRP port (Port 1) sends PR Swap control messages to another DRP device, and Sink port (Port 2) sends Request data messages to the other device attached.And, the Sink port issues the mess...

KLim.2 · 2023-02-10

Hello @nicolas P , I have Dual-Role (UCPD1) and Sink (UCPD2) port in my application.I am sending Request data message in several cases, and encounter "REQUEST_DISCARDED" occasionally.The below is what I see when that happens. I added a snippet and s...

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STM32G071RB: USB PD application, REQUEST_DISCARDED debug message from PE.

Re: STM32G071RB: USB PD application, REQUEST_DISCARDED debug message from PE.

Re: STM32G071RB: USB PD application, REQUEST_DISCARDED debug message from PE.

Re: STM32G071RB: USB PD application, REQUEST_DISCARDED debug message from PE.

Re: STM32G071RB: USB PD application, REQUEST_DISCARDED debug message from PE.