Communication protocol between CAN and CC2540 chip.

List of commands from CC2540 to CAN transiver:

1. Subscribe to a message
2. Unsubscribe from messages
3. List of all subscriptions
4. Passthrough message

Command message structure

1. Command code (1 byte)
2. Payload size (1 byte)
3. Payload (0 - 255 bytes)

Examples

0x01:0x08:0x00:0x00:0x07:0x06:0x00:0x01:0x05:0x05

1. byte - subsribe command
2. byte - payload size 8 byte = 2 CAN message IDs * 4 byte each
3. - 10. bytes 0076h & 0155h