Introduction - If you have any usage issues, please Google them yourself
This experiment code CAN let STM32F1's CAN work in loop mode/normal mode and switch mode via KEY_UP button.The default is the loop mode, in the loop mode, press KEY0, and you can see the self-collected messages on the LCD module.If it is a common pattern, so need two development board, and thread connects two development board CAN interface, at the same time you need to set up board of P9 port connection on the CAN, under the normal mode, press a KEY0 development board, CAN be seen in another development board received information.