ov5640_usb 正点原子stm32f429iGt6开发板(阿波罗) 正点原子ov5640(+sccb) + dcmi + sdram stm32CubeMX 6.1.1 MDK-ARM V5 STM32Cube FW_F4 V1.25.2 usb full speed device + common device class(virtual port com) Bug Minimum Heap Size set to 0x600 solve usb connection problem