cant flash latest m5 stamp c3
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I FOUND THE SOLUTION!!!
After diving into deep of operating system I figured out a possible solution which worked for me:- I had a usbserial.kext laying in /Library/Extensions/ and I figured out that it was also a WCH driver
- I deleted usbserial.kext and restarted the Mac again => no success
- I deleted CH34xVCPControlDriver.kext and CH34xVCPDriver.kext in /Library/Extensions/ and restarted again
- I installed another driver: FTDIUSBSerialDextInstaller_1_4_7 and had to confirm SIP integrity
- In system preferences -> security I had to enable access for the FTDI driver and saw another process pending named something with Quinheng
- As I remembered that Quinheng has something to do with WCH I ticked this process too and restarted
- I installed CH34xVCPDriver.pkg V1.7 again and restarted => no success
- I plugged in a CH340G device and suddenly a /dev/cu.wchusbserialXXX port appears in my Arduino IDE and is working with my CH9102 device
- Plugging out CH340G device continues /dev/cu.wchusbserialXXX working
Hope that this solution will work for other people too!
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