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/***************************************************************************** |
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* |
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* This file is part of the ecapp library (EtherCAT application devices). |
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* |
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* Copyright (C) 2026 Florian Pose <fp@igh.de> |
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* |
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* The ecapp library is free software: you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public License |
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* as published by the Free Software Foundation, version 3 of the |
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* License. |
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* |
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* The ecapp library is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with the ecapp library. If not, see |
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* <https://www.gnu.org/licenses/>. |
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* |
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****************************************************************************/ |
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#ifndef ECAPP_ANALOGINPUTTYPE_H |
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#define ECAPP_ANALOGINPUTTYPE_H |
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/****************************************************************************/ |
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#include "ecapp/Capability.h" |
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#include "ecapp_export.h" |
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/****************************************************************************/ |
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namespace EcApp { |
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enum class AnalogInputType { |
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PlusMinus10V, |
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PlusMinus20mA, |
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ZeroTo10V, |
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ZeroTo20mA, |
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FourTo20mA, |
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}; |
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/** Capability interface for analog input devices with a switchable |
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* measuring range (e.g. EL3074, EPP3184). Not every SubDevice implements |
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* this -- use EcApp::capability<SwitchableInputType>(device), which |
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* throws UnsupportedCapability for a device that doesn't. Even a device |
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* that does implement it may still refuse a specific channel at runtime |
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* (a mixed-capability terminal, or a fixed-range channel on an |
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* otherwise switchable one) by throwing UnsupportedCapability from |
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* setInputType() itself. */ |
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class ECAPP_EXPORT SwitchableInputType |
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{ |
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public: |
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virtual ~SwitchableInputType() = default; |
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/** Pushes the requested range to the slave via SDO immediately. |
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* Must be called before the master is activated. */ |
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virtual void setInputType(unsigned int channel, AnalogInputType) = 0; |
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}; |
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} // namespace EcApp |
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#endif // ECAPP_ANALOGINPUTTYPE_H |
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/****************************************************************************/ |
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