Synchronous and asynchronous library for ultrasonic distance measurement for the device HC-SR04 with error handling functionality (out of range detection, HW error detection). Main features: "echo" puls duration measurement, distance measurement from "echo" pulse duration, detection of "echo" signal malfunction, timeout detection, detection of measured values outside reliable limits (min, max)

Dependents:   TEST_Dist_lib


Functionality completed and tested. RELEASE_1.0

2015-12-21, by dzoni [Mon, 21 Dec 2015 21:01:53 +0000] rev 0

Functionality completed and tested.