- Category:
- SCM
- Tags:
-
[Text]
- File Size:
- 1kb
- Update:
- 2012-11-26
- Downloads:
- 0 Times
- Uploaded by:
- li-yao-zhi
Description: Key interrupt handler
Since the system contains few buttons, using the frequency is not high, the system uses interrupt scanning mode,
When a key is pressed when the corresponding interrupt will be the first to enter, and then perform a scan to determine which button is pressed
Master s degree thesis, Wuhan University of Technology
, Ie only when a key is pressed when the scanning process, so you can improve CPU efficiency, to avoid air
Scanning
To Search:
File list (Check if you may need any files):
cc.txt