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7 years, 5 months ago.
about the call of virtual funcion in base class USBHALL
the code in the funcion of USBHAL::usbisr(), line 615 of USBHAL_LPC17.cpp, if ((instance->*(epCallback[num - 2]))()) .... does it will call the virtual funciton in derived class, such as USBMSD、USBAudio...?