Prototype · Hardware and firmware

CAN-to-USB

CAN on one side, USB on the other, and firmware you can actually read in between.

Engineers who need a bus adapter they can change rather than a black box they cannot.

Animated schematic of board bring-up. Signal shapes are representative rather than captured.

What it is

A CAN-to-USB adapter built on the in-house STM32 platform rather than a vendor SDK: firmware in C with a CMake build, targeting the same toolchain and wire protocol as the rest of the embedded work.

Capabilities

Engineers who need a bus adapter they can change rather than a black box they cannot.

How it works

This is how CAN-to-USB works, not a set of steps you can follow yet — it is prototype and not distributed.

Start from the platform
The build has no generated vendor code in it, so the first layer is already readable.
Bring up the board
Drivers, clock tree and peripherals are hand-written and unit-testable off-target.
Ship and debug it
When something is wrong, the layer that is wrong is one you can open.

Specification

Read from the repository at build time rather than typed onto a marketing page.

Related work

STM32 Platform A firmware platform for STM32 with no vendor code in the build Button Box PCB and mechanical hardware for a sim-racing control box

Ask about licensing the platform, a board bring-up, or contract firmware work.