Initial support for flashing EXST .hex files to External Flash.#1565

Merged

mikeller merged 4 commits intobetaflight:masterfrom

hydra:support-exst-flashing

Aug 11, 2019

Commits on Aug 7, 2019

Fix parsing of hex addresses.
hydra
committed

Commits on Aug 9, 2019

Commits on Aug 11, 2019

Use strict operator when checking for flash pages to erase.
hydra
committed