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CANbus

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There are several USB-to-CAN devices, however for developers usually there is limited support (at least free) and when you have to do things quick could lead to unexpected problems. For that reason, and due to the fact that nowadays several devices are using CANBuses below is a quick-n-dirty way to interface your PC application to a CANbus. In this post, you will find a simple yet effective way to use the USB PEAK CAN adapter on top of…

Using the  the current project aims to update a board through CANbus. The workflow: The first board has a firmware loaded into the SD Card. At the beginning it requests to transmit the firmware through CANbus. If the second board accepts the request, then the firmware is transmitted through the CANBus to the SD Card of the client. After the completion of the firmware transfer process, the system reboots itself and Stitch Bootloader flashes and loads…

The Controller Area Network (CAN, also known as CAN Bus) is a vehicle bus standard designed to allow electronic control units and devices to communicate with each other in applications without a host computer. STM32F779-Eval board has 3 CAN interfaces, however only the two of them have their own clock (master). For that reason the following library provides some C methods to activate and use those CAN interfaces. Beware that each CAN interface requires its…