Introduction - If you have any usage issues, please Google them yourself
stm32 can Communications Test 1, usb switch can use the DSP development studio developed USB_CAN_2C 2, stm32 model stm32f103rb pin GPIOA the P11 P12 3, the content of the program to accept a standard frame ID of 0x0048, upon receipt of the standard frame, sends an ID of 0x0047 0x22 standard frame data bits