GE Attenuator / Mbed 2 deprecated VAM_DAX_RELIABILITY

update hcsr04.cpp by changing 20000 to 2000

Dependencies:   Stepper mbed SDFileSystem Ultrasonic PinDetect millis

.hgtags

Committer:
root@developer-sjc-cyan-compiler.local.mbed.org
Date:
2018-03-18
Revision:
1:4bda04eecf66

File content as of revision 1:4bda04eecf66:

88834eed3de071a683ae4c96f1f398e835e213e9 stuff