1-Wire bus search algorithm, new C implementation

Ondřej Hruška cc979602f3 added some includes that should probably be in the header file		преди 6 години
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ow_search.h	added some includes that should probably be in the header file	преди 6 години

1-Wire search algorithm

This project provides a reimplemented 1-Wire bus search algorithm (used to identify e.g. DS18x20 thermometers on a common open-drain bus).

The algorithm uses no global variables and allows finding a unlimited number of bus devices.

For an example of usage, see main.c.