Makerpi firmware for 3D printers based on the STM32F407VG chip.
STM32CubeMX Version：6.0.1
Package：STM32CubeF4 Firmware Package V1.23.0 / 23-November-2018
Keil Software：MDK v5.26
ARMCC：V5.06 update 6 (build 750)
Firmware is released under the terms of the LGPLv3 or higher. A copy of this license should be included with the software.