The BeagleBone Black is a single board computer developed by the BeagleBoard.org Foundation. It features a Texas Instruments Sitara AM3358 1GHz ARM Cortex A8 and two 32bit 200MHz programmable real-time units (PRUs).
It is similar to the Raspberry PI, but includes more I/O, peripherals and the two PRUs allowing time critical code to be off loaded from the Linux Kernel.
The CAN bus (Controller Area Network) was originally designed by Bosch for the automotive market to connect ECUs (Engine/Electronic Control Units) together. Today, this robust communications bus is commonly found, not only in vehicles, but also on the factory floor in automation (e.g. CANOpen) and other applications such as PV solar inverter/battery Energy Storage Systems (ESS). The Sitara AM335x MCU found on the BeagleBone includes two CAN 2.0 controllers (DCAN) using IP modules from Bosch. The BeagleBone Black PCB, however, doesn’t include any CAN bus transceivers and these must be added externally. CAN Transceiver Wiring The BeagleBone Black has two DCAN ports: DCAN0 …
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