Implementation of 1-Wire with added Alarm Search Functionality

Dependents:   Max32630_One_Wire_Interface

RomId/RomIterator.cpp

Committer:
mfruge
Date:
2019-08-13
Revision:
142:85b71cfd617e
Parent:
120:200109b73e3c

File content as of revision 142:85b71cfd617e:

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#include "RomId/RomIterator.h"
#include "Masters/OneWireMaster.h"

using namespace OneWire;
using namespace OneWire::RomCommands;

bool ForwardSearchRomIterator::lastDevice() const
{
    return searchState.last_device_flag;
}

OneWireMaster::CmdResult ForwardSearchRomIterator::selectFirstDevice()
{
    return OWFirst(master(), searchState);
}

OneWireMaster::CmdResult ForwardSearchRomIterator::selectNextDevice()
{
    return OWNext(master(), searchState);
}

OneWireMaster::CmdResult ForwardSearchRomIterator::reselectCurrentDevice()
{
    return OWResume(master());
}

OneWireMaster::CmdResult ForwardSearchRomIterator::selectFirstDeviceInFamily(uint8_t familyCode)
{
    searchState.findFamily(familyCode);
    return OWNext(master(), searchState);
}

OneWireMaster::CmdResult ForwardSearchRomIterator::selectNextFamilyDevice()
{
    searchState.skipCurrentFamily();
    return OWNext(master(), searchState);
}

OneWireMaster::CmdResult SingledropRomIterator::selectDevice(const RomId &)
{
    return selectDevice();
}

OneWireMaster::CmdResult MultidropRomIterator::selectDevice(const RomId & romId)
{
    return OWMatchRom(master(), romId);
}

OneWireMaster::CmdResult MultidropRomIteratorWithResume::selectDevice(const RomId & romId)
{
    OneWireMaster::CmdResult result;
    
    if (romId == lastRom)
    {
        result = OWResume(master());
    }
    else
    {
        result = OWMatchRom(master(), romId);
        lastRom = romId;
    }
    
    return result;
}