Now is always == 0 independs from DFU file Targed ID.For example Function "DWORD CSTDevice::SelectCurrentConfiguration(UINT ConfigIdx, UINT InterfaceIdx, UINT AltSetIdx)" sends AltSetIdx == 1.But on USB bus I see always "SetiInterface,AltSet" = 0
Do you redirected CAN module pins to PB8 and PB9 ? Also should be connected pullup 4.7K-10K resistor to VCC. /* Peripheral clock enable */ __HAL_RCC_CAN1_CLK_ENABLE(); /**CAN GPIO Configuration PB8 ------> CAN_RX PB9 ------> CAN_TX...