CAN-CTRL examples brief introduction:
- 01. CAN2.0 transfer data in loopback mode.
- 02. CANFD transfer data in loopback mode.
- 03. CAN2.0 transfer data in normal mode.
- 04. CANFD transfer data in normal mode.

HAL-CAN examples brief introduction:
- 01. CAN2.0 transfer data in normal mode. Use single mailbox.
- 02. CAN2.0 transfer data in normal mode. Use multiple mailboxes.
