OpenHarmony HDF key interrupt development based on little bear hm micro
This chapter uses gpio interrupt to realize key driving, and the focus is to understand HDF gpio framework
1, Driver code
Refer to the preparation of led driver in the previous chapter to realize the driver in this chapter.
You can repeat it according to the writing steps of led driver in the previous chapter. The difference between ...
Posted by ThEMakeR on Wed, 02 Feb 2022 03:13:40 +0100