From 13b1cff3156e7a3770c7eb73b48e4969cc50165a Mon Sep 17 00:00:00 2001
From: Thomas Kunze <thomas.kunze@gmx.com>
Date: Mon, 15 Jul 2019 22:53:21 +0200
Subject: [PATCH] fix dpt9 for small values

---
 knx-linux/knx-linux-Debug.vgdbsettings   |  11 +-
 knx-linux/knx-linux-Release.vgdbsettings | 160 -----------------------
 knx-linux/knx-linux.vcxproj              |   1 -
 knx-linux/knx-linux.vcxproj.filters      |   3 -
 src/knx/dptconvert.cpp                   |   6 +-
 5 files changed, 10 insertions(+), 171 deletions(-)
 delete mode 100644 knx-linux/knx-linux-Release.vgdbsettings

diff --git a/knx-linux/knx-linux-Debug.vgdbsettings b/knx-linux/knx-linux-Debug.vgdbsettings
index 39c0381..dd1cd88 100644
--- a/knx-linux/knx-linux-Debug.vgdbsettings
+++ b/knx-linux/knx-linux-Debug.vgdbsettings
@@ -7,9 +7,9 @@
       <PathStyle>RemoteUnix</PathStyle>
     </CustomSourceDirectories>
     <BuildHost>
-      <HostName>localhost</HostName>
-      <Transport>LinuxSubsystem</Transport>
-      <UserName>Linux</UserName>
+      <HostName>Suzail</HostName>
+      <Transport>SSH</Transport>
+      <UserName>tkunze</UserName>
     </BuildHost>
     <MainSourceTransferCommand>
       <SkipWhenRunningCommandList>false</SkipWhenRunningCommandList>
@@ -34,15 +34,14 @@
         <string>CMakeLists.txt</string>
         <string>*.cmake</string>
       </FileMasks>
-      <TransferNewFilesOnly>true</TransferNewFilesOnly>
+      <TransferNewFilesOnly>false</TransferNewFilesOnly>
       <IncludeSubdirectories>true</IncludeSubdirectories>
-      <SelectedDirectories />
       <DeleteDisappearedFiles>true</DeleteDisappearedFiles>
       <ApplyGlobalExclusionList>true</ApplyGlobalExclusionList>
       <Extension>
         <Direction>Outgoing</Direction>
         <SkipMountPoints>false</SkipMountPoints>
-        <OverwriteTrigger>LocalCache</OverwriteTrigger>
+        <OverwriteTrigger>Always</OverwriteTrigger>
       </Extension>
     </MainSourceTransferCommand>
     <AllowChangingHostForMainCommands>false</AllowChangingHostForMainCommands>
diff --git a/knx-linux/knx-linux-Release.vgdbsettings b/knx-linux/knx-linux-Release.vgdbsettings
deleted file mode 100644
index 3fbda9e..0000000
--- a/knx-linux/knx-linux-Release.vgdbsettings
+++ /dev/null
@@ -1,160 +0,0 @@
-<?xml version="1.0"?>
-<VisualGDBProjectSettings2 xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema">
-  <ConfigurationName>Release</ConfigurationName>
-  <Project xsi:type="com.visualgdb.project.linux">
-    <CustomSourceDirectories>
-      <Directories />
-      <PathStyle>RemoteUnix</PathStyle>
-    </CustomSourceDirectories>
-    <BuildHost>
-      <HostName>Suzail</HostName>
-      <Transport>SSH</Transport>
-      <UserName>tkunze</UserName>
-    </BuildHost>
-    <MainSourceTransferCommand>
-      <SkipWhenRunningCommandList>false</SkipWhenRunningCommandList>
-      <RemoteHost>
-        <HostName>Suzail</HostName>
-        <Transport>SSH</Transport>
-        <UserName>tkunze</UserName>
-      </RemoteHost>
-      <LocalDirectory>$(ProjectDir)</LocalDirectory>
-      <RemoteDirectory>/home/tkunze/vgdb</RemoteDirectory>
-      <FileMasks>
-        <string>*.cpp</string>
-        <string>*.h</string>
-        <string>*.hpp</string>
-        <string>*.c</string>
-        <string>*.cc</string>
-        <string>*.cxx</string>
-        <string>*.mak</string>
-        <string>Makefile</string>
-        <string>*.txt</string>
-        <string>*.cmake</string>
-        <string>CMakeLists.txt</string>
-        <string>*.cmake</string>
-      </FileMasks>
-      <TransferNewFilesOnly>true</TransferNewFilesOnly>
-      <IncludeSubdirectories>true</IncludeSubdirectories>
-      <DeleteDisappearedFiles>true</DeleteDisappearedFiles>
-      <ApplyGlobalExclusionList>true</ApplyGlobalExclusionList>
-    </MainSourceTransferCommand>
-    <AllowChangingHostForMainCommands>false</AllowChangingHostForMainCommands>
-    <SkipBuildIfNoSourceFilesChanged>false</SkipBuildIfNoSourceFilesChanged>
-    <IgnoreFileTransferErrors>false</IgnoreFileTransferErrors>
-    <RemoveRemoteDirectoryOnClean>false</RemoveRemoteDirectoryOnClean>
-    <SkipDeploymentTests>false</SkipDeploymentTests>
-    <MainSourceDirectoryForLocalBuilds>$(ProjectDir)</MainSourceDirectoryForLocalBuilds>
-  </Project>
-  <Build xsi:type="com.visualgdb.build.cmake">
-    <ToolchainID>
-      <ID>com.sysprogs.toolchain.default-gcc</ID>
-      <Version>
-        <Revision>0</Revision>
-      </Version>
-    </ToolchainID>
-    <RelativeSourceDirectory />
-    <ConfigurationType>RELWITHDEBINFO</ConfigurationType>
-    <BinaryDirectory>Release</BinaryDirectory>
-    <MakeCommandTemplate>
-      <SkipWhenRunningCommandList>false</SkipWhenRunningCommandList>
-      <RemoteHost>
-        <HostName>BuildMachine</HostName>
-        <Transport>BuiltinShortcut</Transport>
-      </RemoteHost>
-      <Command>$(ToolchainMake)</Command>
-      <Arguments>$(ToolchainMakeArgs)</Arguments>
-      <WorkingDirectory>$(BuildDir)</WorkingDirectory>
-      <BackgroundMode xsi:nil="true" />
-    </MakeCommandTemplate>
-    <CMakeCommand>
-      <SkipWhenRunningCommandList>false</SkipWhenRunningCommandList>
-      <RemoteHost>
-        <HostName>BuildMachine</HostName>
-        <Transport>BuiltinShortcut</Transport>
-      </RemoteHost>
-      <Command>$(ToolchainCMake)</Command>
-      <BackgroundMode xsi:nil="true" />
-    </CMakeCommand>
-    <UpdateSourcesInCMakeFile>true</UpdateSourcesInCMakeFile>
-    <ExportCompileCommands>false</ExportCompileCommands>
-    <DisableToolchainFile>false</DisableToolchainFile>
-    <DeployAsRoot>false</DeployAsRoot>
-    <CleanMode>b</CleanMode>
-  </Build>
-  <CustomBuild>
-    <PreSyncActions />
-    <PreBuildActions />
-    <PostBuildActions />
-    <PreCleanActions />
-    <PostCleanActions />
-  </CustomBuild>
-  <CustomDebug>
-    <PreDebugActions />
-    <PostDebugActions />
-    <DebugStopActions />
-    <BreakMode>Default</BreakMode>
-  </CustomDebug>
-  <CustomShortcuts>
-    <Shortcuts />
-    <ShowMessageAfterExecuting>true</ShowMessageAfterExecuting>
-  </CustomShortcuts>
-  <UserDefinedVariables />
-  <CodeSense>
-    <Enabled>Unknown</Enabled>
-    <ExtraSettings>
-      <HideErrorsInSystemHeaders>true</HideErrorsInSystemHeaders>
-      <SupportLightweightReferenceAnalysis>true</SupportLightweightReferenceAnalysis>
-      <CheckForClangFormatFiles>true</CheckForClangFormatFiles>
-      <FormattingEngine xsi:nil="true" />
-    </ExtraSettings>
-    <CodeAnalyzerSettings>
-      <Enabled>false</Enabled>
-    </CodeAnalyzerSettings>
-  </CodeSense>
-  <Debug xsi:type="com.visualgdb.debug.remote">
-    <AdditionalStartupCommands />
-    <AdditionalGDBSettings>
-      <Features>
-        <DisableAutoDetection>false</DisableAutoDetection>
-        <UseFrameParameter>false</UseFrameParameter>
-        <SimpleValuesFlagSupported>false</SimpleValuesFlagSupported>
-        <ListLocalsSupported>false</ListLocalsSupported>
-        <ByteLevelMemoryCommandsAvailable>false</ByteLevelMemoryCommandsAvailable>
-        <ThreadInfoSupported>false</ThreadInfoSupported>
-        <PendingBreakpointsSupported>false</PendingBreakpointsSupported>
-        <SupportTargetCommand>false</SupportTargetCommand>
-        <ReliableBreakpointNotifications>false</ReliableBreakpointNotifications>
-      </Features>
-      <EnableSmartStepping>false</EnableSmartStepping>
-      <FilterSpuriousStoppedNotifications>false</FilterSpuriousStoppedNotifications>
-      <ForceSingleThreadedMode>false</ForceSingleThreadedMode>
-      <UseAppleExtensions>false</UseAppleExtensions>
-      <CanAcceptCommandsWhileRunning>false</CanAcceptCommandsWhileRunning>
-      <MakeLogFile>false</MakeLogFile>
-      <IgnoreModuleEventsWhileStepping>true</IgnoreModuleEventsWhileStepping>
-      <UseRelativePathsOnly>false</UseRelativePathsOnly>
-      <ExitAction>None</ExitAction>
-      <DisableDisassembly>false</DisableDisassembly>
-      <ExamineMemoryWithXCommand>false</ExamineMemoryWithXCommand>
-      <StepIntoNewInstanceEntry>main</StepIntoNewInstanceEntry>
-      <ExamineRegistersInRawFormat>true</ExamineRegistersInRawFormat>
-      <DisableSignals>false</DisableSignals>
-      <EnableAsyncExecutionMode>false</EnableAsyncExecutionMode>
-      <EnableNonStopMode>false</EnableNonStopMode>
-      <MaxBreakpointLimit>0</MaxBreakpointLimit>
-    </AdditionalGDBSettings>
-    <LaunchGDBSettings xsi:type="GDBLaunchParametersNewInstance">
-      <DebuggedProgram>$(TargetPath)</DebuggedProgram>
-      <GDBServerPort>2000</GDBServerPort>
-      <ProgramArguments />
-    </LaunchGDBSettings>
-    <GenerateCtrlBreakInsteadOfCtrlC>false</GenerateCtrlBreakInsteadOfCtrlC>
-    <X11WindowMode>Local</X11WindowMode>
-    <KeepConsoleAfterExit>false</KeepConsoleAfterExit>
-    <RunGDBUnderSudo>false</RunGDBUnderSudo>
-    <DeploymentMode>Auto</DeploymentMode>
-    <DeployWhenLaunchedWithoutDebugging>true</DeployWhenLaunchedWithoutDebugging>
-    <SuppressTTYCreation>false</SuppressTTYCreation>
-  </Debug>
-</VisualGDBProjectSettings2>
\ No newline at end of file
diff --git a/knx-linux/knx-linux.vcxproj b/knx-linux/knx-linux.vcxproj
index a636ac1..928a1c1 100644
--- a/knx-linux/knx-linux.vcxproj
+++ b/knx-linux/knx-linux.vcxproj
@@ -112,7 +112,6 @@
   <ItemGroup>
     <None Include="CMakeLists.txt" />
     <None Include="knx-linux-Debug.vgdbsettings" />
-    <None Include="knx-linux-Release.vgdbsettings" />
   </ItemGroup>
   <ItemGroup>
     <ClCompile Include="..\src\knx\address_table_object.cpp" />
diff --git a/knx-linux/knx-linux.vcxproj.filters b/knx-linux/knx-linux.vcxproj.filters
index 62ef53f..f4fef6b 100644
--- a/knx-linux/knx-linux.vcxproj.filters
+++ b/knx-linux/knx-linux.vcxproj.filters
@@ -30,9 +30,6 @@
     <None Include="knx-linux-Debug.vgdbsettings">
       <Filter>VisualGDB settings</Filter>
     </None>
-    <None Include="knx-linux-Release.vgdbsettings">
-      <Filter>VisualGDB settings</Filter>
-    </None>
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="..\src\linux_platform.h">
diff --git a/src/knx/dptconvert.cpp b/src/knx/dptconvert.cpp
index e000c9a..f499585 100644
--- a/src/knx/dptconvert.cpp
+++ b/src/knx/dptconvert.cpp
@@ -1794,7 +1794,11 @@ void float16ToPayload(uint8_t* payload, int payload_length, int index, double va
     }
 
     value *= 100.0;
-    unsigned short exponent = ceil(log2(value) - 11.0);
+    unsigned short exponent = 0;
+  
+    if(value > 2048)
+        exponent = ceil(log2(value) - 11.0);
+    
     short mantissa = roundf(value / (1 << exponent));
 
     if (wasNegative)