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ijona · 2019-06-26

Hi, I update my STlinkv2 from V2J29M18 to V2J34M25 firmware version and i lost the UART communication.I have two STlinkV2 and one is always in V2J29M18 version so i'm sure that the problem come from the update.So my question is how i can restore the ...

ijona · 2018-11-03

Hi, i try to produce a PWM to learn but when i try to make this signal on TIM1 channelXn it doesn't matter (for example on PB13 and PA7). On Channel1 all works fine (PC0).What is the difference ?

ijona · 2019-06-28

In my case PWR_ENn is not connectedAnd now i don't understand nothing, all work without pull-up and same configuration as before just a little more hot in my room...

ijona · 2019-06-28

Ok i found what is the trouble. On my design i leave pin28 (PB15 PWR_ENn) of the IC STM32F103CBT6 of the ST-Link in floating state (not connected at anything). So apparently in new firmware version there is a challenge on this pin.With a pull-up all ...

ijona · 2019-06-27

I try to connect my device through the ST-Link of my nucleo board and it's work so my problem become to my custom probe. to be continued...

ijona · 2019-06-27

I have tested with an old nucleo STM32L432KC to upgrade the ST-Link firmware and it's work fine. So i also try to add a physical pull-up on Tx (and Rx) but no effect. I check with my oscilloscope the Tx Rx line with the old and the new probe it's sam...

ijona · 2019-06-27

Sorry i send a response before your question...So my problem is i can't receive any trace on my terminal from the device with my probe flashed with the new firmware (V2J34M25). If connect a probe with a firmware under V2J33... all is ok. Terminal sta...

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How to downgrade/restore STlinkv2 ?

Nucleo-F302R8 PWM on TIM1 chXn don't work

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