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usb and debugger

Question asked by guillaume.faye on Feb 9, 2014
Latest reply on Feb 22, 2014 by guillaume.faye
I download the stsw-stm32121 software. I tried the usb custom hid exemple . it build , programme and work well. But I can't use my debugger , when I lauch a run debug I have this message:"cannot access target , shutting down debug session".
I use keil µvision 4.73
         stm32f103  , port103v waveshare bord
         ulink2 debugger
thanks for your help