5V Dx ^ o ^ | / | +-----+ +---+ ----+-----| 10k |---+ +-----+ | ___ _
System LED (D13):
- steady : indicates ready for push
- blinking: buffer overflow: to many High, Low oscillations
Output:
- Duration (in number of loop cycles) of HIGH, LOW, HIGH, LOW,....
- All numbers are shown in hex
Every press on button produces the following line: HiLo [ HiLo[*CT] ... ] BT ns HiLo - the number (hex) of cycles related duration of high/low signal ct - repetition; 1*5 means 1 1 1 1 1 BT - bouncing time in nSec, maximum over multiple tests Example output: Push Button Quality Test Relation between time and cycles: +-time--+-cycles-+ | 1 sec | 2BAC3 | |100 ms | 45E0 | | 10 ms | 6FC | +-------+--------+ 59BA A 1*C9 1179ns 584D 1179ns 2 1 66C4 1179ns 5916 1179ns 5A36 1*23 1179ns 6AA9 1E 1*58 1179ns 6207 1179ns