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NoteON Smartpen Firmware

Part of the NoteOn Smartpen Project - Copyright 2014 Nick Ames Licensed under the GNU GPLv3. See LICENSE file.

Current Status

Drivers for all peripherals except the Bluetooth transceiver have been completed.

Required Software

Source File Layout

The src/ directory contains the firmware source files. src/peripherals/ contains modules providing high-level interfaces to on-chip peripherals, such as I2C and SPI. src/board/ contains modules providing high-level interfaces to other ICs on the PCB, such as the IMU and bluetooth controller.

The ld/ directory contains a linker script for the STM32F302x8.

The libopencm3/ directory contains libopencm3 as a git submodule.

The build/ directory contains the compiled binary files.


The NoteOn Smartpen firmware is licensed under the GNU GPLv3. NoteOn contains code from the libopencm3 and newlib projects.

Other components of NoteOn are licensed under Creative Commons Attribution-ShareAlike 4.0 International.


Device Firmware for the NoteOn Smartpen Project.




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