motters / atmsamr35-bootloader-example

SAMR35 Bootloader Example

This mini-projects show how to create a bootloader that loads an application in flash.

Setup

System Requirements

Arm GNU compiler, CMake;

Python 3 with the following

pip install ecdsa cryptography asn1 future pyasn1

Project Setup

Create Key

A python tool is provided to create the public & private keys. You can create different keys from DEBUG & RELEASE.

python cmake/create_key.py DEBUG

Credit

• https://github.com/memfault/interrupt
• https://github.com/armmbed/mbed-os-example-lorawan-fuota
• https://github.com/B-Con/crypto-algorithms
• https://github.com/kmackay/micro-ecc
• https://github.com/Jamesits/bin2array
• http://ww1.microchip.com/downloads/en/AppNotes/Atmel-42141-SAM-AT02333-Safe-and-Secure-Bootloader-Implementation-for-SAM3-4_Application-Note.pdf