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- Problem with "Can't connect. USBDM device is not open" error
Problem with "Can't connect. USBDM device is not open" error
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Problem with "Can't connect. USBDM device is not open" error
08-19-2025
10:32 AM
1,311件の閲覧回数
gashtaan
Contributor I
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I'm developing firmware for MC9S08GB60A MCU in CodeWarrior for MCU 11.1 using USBDM I bought on AliExpress. It's based on MC9S08JS16CWJ MCU. I updated it to the latest USBDM firmware. Everything works OK, I can compile and run/debug the firmware, but only once in during CodeWarrior session. Next time I try to download and run/debug the firmware I got "HC/RS/S12Z GDI Protocol Adapter : Can't connect. USBDM device is not open" error. If I close the CodeWarrior application and open it again, it works OK, but only once. Any idea what is wrong with it?
1 返信
09-05-2025
04:47 AM
972件の閲覧回数
gashtaan
Contributor I
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Is no one experiencing the same behavior?
