As a domestic operating system, Harmony system is developing rapidly.There are more and more applications based on Harmony system in the embedded field.This paper is the porting of Harmony minimum system based on Arm CortexA7 architecture, which gives us a preliminary understanding of Harmony system.It lays a foundation for the improvementof domestic operating system and its application in other scenarios.
Key words
Harmony OS /
driver /
serial port /
porting /
STM32MP157
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