Implementation of 1-Wire with added Alarm Search Functionality
Dependents: Max32630_One_Wire_Interface
Diff: RomIterator.cpp
- Revision:
- 77:529edb329ee0
- Parent:
- 76:84e6c4994e29
- Child:
- 78:0cbbac7f2016
diff -r 84e6c4994e29 -r 529edb329ee0 RomIterator.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/RomIterator.cpp Mon May 16 10:36:30 2016 -0500 @@ -0,0 +1,55 @@ +#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) + { + result = master().OWResume(); + } + else + { + result = master().OWMatchRom(romId); + lastRom = romId; + } + return result; +}