Diff: RomId/RomIterator.cpp

Revision:

103:6dcbb5166da1

Parent:

90:c233d1c265ff

Child:

104:3f48daed532b

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/RomId/RomIterator.cpp	Thu Jul 07 13:56:44 2016 -0500
@@ -0,0 +1,96 @@
+/******************************************************************//**
+* 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"
+#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 & 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;
+}