GE Attenuator / Mbed 2 deprecated VAM_DAX_RELIABILITY

update hcsr04.cpp by changing 20000 to 2000

Dependencies:   Stepper mbed SDFileSystem Ultrasonic PinDetect millis

SDFileSystem.lib@7:ede305192e3b, 2019-01-10 (annotated)

Committer:
rschimpf78
Date:
Thu Jan 10 01:32:38 2019 +0000
Revision:
7:ede305192e3b
1.9.19

Who changed what in which revision?

UserRevisionLine numberNew contents of line
rschimpf78 7:ede305192e3b 1 http://mbed.org/users/mbed_official/code/SDFileSystem/#8db0d3b02cec