CPS-Lab*
/
Lab6
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Diff: vibration_explain.txt
- Revision:
- 3:02e11688fd56
diff -r 3299365b3e3c -r 02e11688fd56 vibration_explain.txt --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/vibration_explain.txt Thu Feb 22 23:24:15 2018 +0000 @@ -0,0 +1,8 @@ +For the vibration detector code fragment, basically, + +1. we use an inner-while loop for continuously getting xyz data from accelerometer, +we store two values in 10ms delay inside two different variables x1, x2, and compare their differences. +2. If the difference is bigger than a certain threshold( in our test, + our x, y difference thresholds are 7 and z is 20), it will break out this inner loop, + and go to outer loop which controls the led to turn on 2s. +3. After each time the led turns on, counter will add one and will print how many knocks we have. \ No newline at end of file