adorian / PFE_28

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README.md

README

qspi_loader

qspi_loader is a flashrom serprog over CDC-ACM implementation able to write an additional QSPI flash inside a NumWorks calculator.

Tested with :

  • Winbond W25Q128JV
  • Adesto AT25SF641 (patch for flashrom here : flashrom_patch/AT25SF641.patch, python script for enabling QSPI here : tools/enable_qspi_AT25SF641.py)

multiboot

multiboot allows to program the internal flash of the STM32 with a firmware image stored inside the external flash. The goal is to be able to switch between several versions of the firmware without a computer.