36 lines
630 B
C++
36 lines
630 B
C++
/**
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* \file cimditrotary.cpp
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* \brief implementiton of the CimditRotary class
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* \author GrumpyDeveloper (Sascha Nitsch)
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* \copyright 2022 Sascha Nitsch
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* Licensed under MIT license
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*
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*/
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#include "Arduino.h"
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// own includes
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#include "cimditrotary.h"
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CimditRotary::CimditRotary() {
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m_a = false;
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m_delta = 0;
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}
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bool CimditRotary::update(bool a, bool b) {
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if (a == m_a) return false; // no change
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if (a && !m_a) { // rising bit a
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if (b) {
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++m_delta;
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} else {
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--m_delta;
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}
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}
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m_a = a;
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return a;
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}
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int8_t CimditRotary::getDelta() {
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int8_t ret = m_delta;
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m_delta = 0;
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return ret;
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}
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