Using the Microchip MCP2517FD CAN FD controller http://skpang.co.uk/catalog/mcp2517fd-can-fd-breakout-with-teensy-include-teensy-32-p-1549.html

ASCII Commands

Example: Open the CAN port at the default rate of 500k/2M. O[CR]
t001411223344[CR]

d7DF81122334455667788[CR]

d0A2f11223345AFED9879aabbccdd54678765543212de6545dea21234567865 4343237678886545dead451290897876543678334455667788990099887677 ddeeaa32[CR]

Command list

O Open CAN channel

C Close CAN channel

Sx Set baudrate

x: Bitrate id (0-8)

S0 = 10 k S1 = 20 k S2 = 50 k S3 = 100 k S4 = 125 k S5 = 250 k S6 = 500 k S7 = 800 k S8 = 1 M S9 = 500k/1M SA = 500k/2M SB = 500k/3M SC = 500k/4M SD = 500k/5M SE = 500k/8M SF = 500k/10M SG = 250k/500k SH = 250k/1M SI = 250k/2M SJ = 250k/3M SK = 250k/4M SL = 1000k/4M SM = 1000k/8M SN = 125k/500k

tiiildd

Transmit standard (11 bit) frame.

iii: Identifier in hexadecimal format (000-7FF)

l: Data length (0-8)

dd: Data byte value in hexadecimal format (00-FF)

Tiiiiiiiildd..

Transmit extended (29 bit) frame.

iiiiiii:Identifier in hexadecimal format (0000000-1FFFFFFF) l: Data length (0-8)

dd: Data byte value in hexadecimal format (00-FF)

diiildd..

Transmit CANFD standard (11 bit) frame.

iii: Identifier in hexadecimal format (000-7FF) l: Data length (0-F)

dd: Data byte value in hexadecimal format (00-FF)

Diiiiiiiildd..

Transmit CANFD extended (29 bit) frame.

iiiiiiii:Identifier in hexadecimal format (0000000-1FFFFFFF) l: Data length (0-F)

dd: Data byte value in hexadecimal format (00-FF)

Data length for CAN FD

0 to 8 As in CAN 2.0

9 12 bytes A 16 bytes B 20 bytes C 24 bytes D 32 bytes E 48 bytes F 64 bytes

V Get hardware version

v Get firmware version.