Implementation of 1-Wire with added Alarm Search Functionality
Dependents: Max32630_One_Wire_Interface
Slaves/RomIterator.cpp
- Committer:
- IanBenzMaxim
- Date:
- 2016-06-15
- Revision:
- 86:2ce08ca58b9e
- Parent:
- RomIterator.cpp@ 81:e2a3ad98874e
- Child:
- 87:20e8f12f4f11
File content as of revision 86:2ce08ca58b9e:
/******************************************************************//** * Copyright (C) 2016 Maxim Integrated Products, Inc., All Rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included * in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * IN NO EVENT SHALL MAXIM INTEGRATED BE LIABLE FOR ANY CLAIM, DAMAGES * OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR * OTHER DEALINGS IN THE SOFTWARE. * * Except as contained in this notice, the name of Maxim Integrated * Products, Inc. shall not be used except as stated in the Maxim Integrated * Products, Inc. Branding Policy. * * The mere transfer of this software does not imply any licenses * of trade secrets, proprietary technology, copyrights, patents, * trademarks, maskwork rights, or any other form of intellectual * property whatsoever. Maxim Integrated Products, Inc. retains all * ownership rights. **********************************************************************/ #include "RomIterator.h" using namespace OneWire; bool ForwardSearchRomIterator::lastDevice() const { return searchState.last_device_flag; } OneWireMaster::CmdResult ForwardSearchRomIterator::selectFirstDevice() { return master().OWFirst(searchState); } OneWireMaster::CmdResult ForwardSearchRomIterator::selectNextDevice() { return master().OWNext(searchState); } OneWireMaster::CmdResult ForwardSearchRomIterator::reselectCurrentDevice() { return master().OWResume(); } OneWireMaster::CmdResult ForwardSearchRomIterator::selectFirstDeviceInFamily(uint8_t familyCode) { searchState.findFamily(familyCode); return master().OWNext(searchState); } OneWireMaster::CmdResult ForwardSearchRomIterator::selectNextFamilyDevice() { searchState.skipCurrentFamily(); return master().OWNext(searchState); } OneWireMaster::CmdResult SingledropRomIterator::selectDevice(const RomId & romId) { return selectDevice(); } OneWireMaster::CmdResult MultidropRomIterator::selectDevice(const RomId & romId) { OneWireMaster::CmdResult result; if ((romId == lastRom) && (romId.familyCode() != 0x10)) { result = master().OWResume(); } else { result = master().OWMatchRom(romId); lastRom = romId; } return result; }