diff --git a/demos/host/host.uvopt b/demos/host/host.uvopt
index f5da91fdf..454673d27 100644
--- a/demos/host/host.uvopt
+++ b/demos/host/host.uvopt
@@ -27,7 +27,7 @@
     <TargetOption>
       <CLKADS>12000000</CLKADS>
       <OPTTT>
-        <gFlags>0</gFlags>
+        <gFlags>1</gFlags>
         <BeepAtEnd>1</BeepAtEnd>
         <RunSim>0</RunSim>
         <RunTarget>1</RunTarget>
@@ -43,7 +43,7 @@
         <PageWidth>79</PageWidth>
         <PageLength>66</PageLength>
         <TabStop>8</TabStop>
-        <ListingPath>.\</ListingPath>
+        <ListingPath>.\UV4Build\</ListingPath>
       </OPTLEX>
       <ListingPage>
         <CreateCListing>1</CreateCListing>
@@ -71,7 +71,7 @@
         <LExpSel>0</LExpSel>
       </OPTXL>
       <OPTFL>
-        <tvExp>0</tvExp>
+        <tvExp>1</tvExp>
         <tvExpOptDlg>0</tvExpOptDlg>
         <IsCurrentTarget>1</IsCurrentTarget>
       </OPTFL>
@@ -118,7 +118,7 @@
         <tRtrace>1</tRtrace>
         <sRunDeb>0</sRunDeb>
         <sLrtime>0</sLrtime>
-        <nTsel>1</nTsel>
+        <nTsel>7</nTsel>
         <sDll></sDll>
         <sDllPa></sDllPa>
         <sDlgDll></sDlgDll>
@@ -129,16 +129,53 @@
         <tDlgDll></tDlgDll>
         <tDlgPa></tDlgPa>
         <tIfile></tIfile>
-        <pMon>BIN\UL2CM3.DLL</pMon>
+        <pMon>Segger\JL2CM3.dll</pMon>
       </DebugOpt>
       <TargetDriverDllRegistry>
+        <SetRegEntry>
+          <Number>0</Number>
+          <Key>DLGTARM</Key>
+          <Name>(1010=-1,-1,-1,-1,0)(1007=-1,-1,-1,-1,0)(1008=-1,-1,-1,-1,0)(1009=-1,-1,-1,-1,0)(1012=-1,-1,-1,-1,0)</Name>
+        </SetRegEntry>
+        <SetRegEntry>
+          <Number>0</Number>
+          <Key>ARMDBGFLAGS</Key>
+          <Name></Name>
+        </SetRegEntry>
+        <SetRegEntry>
+          <Number>0</Number>
+          <Key>DLGUARM</Key>
+          <Name></Name>
+        </SetRegEntry>
+        <SetRegEntry>
+          <Number>0</Number>
+          <Key>JL2CM3</Key>
+          <Name>-U268003250 -O110 -S8 -A0 -C0 -JU1 -JI127.0.0.1 -JP0 -RST0 -N00("ARM CoreSight SW-DP") -D00(2BA01477) -L00(4) -TO31 -TC10000000 -TP21 -TDS8004 -TDT0 -TDC1F -TIEFFFFFFFF -TIP8 -TB1 -TFE1 -FO15 -FD10000000 -FC800 -FN2 -FF0LPC18xx43xx_512_BA -FS01A000000 -FL080000 -FF1LPC18xx43xx_512_BB -FS11B000000 -FL180000</Name>
+        </SetRegEntry>
         <SetRegEntry>
           <Number>0</Number>
           <Key>UL2CM3</Key>
           <Name>-O975 -S0 -C0 -FO7 -FD10000000 -FC800 -FN2 -FF0LPC18xx43xx_512_BA -FS01A000000 -FL080000 -FF1LPC18xx43xx_512_BB -FS11B000000 -FL180000)</Name>
         </SetRegEntry>
       </TargetDriverDllRegistry>
-      <Breakpoint/>
+      <Breakpoint>
+        <Bp>
+          <Number>0</Number>
+          <Type>0</Type>
+          <LineNumber>189</LineNumber>
+          <EnabledFlag>1</EnabledFlag>
+          <Address>0</Address>
+          <ByteObject>0</ByteObject>
+          <HtxType>0</HtxType>
+          <ManyObjects>0</ManyObjects>
+          <SizeOfObject>0</SizeOfObject>
+          <BreakByAccess>0</BreakByAccess>
+          <BreakIfRCount>0</BreakIfRCount>
+          <Filename>C:\Users\hathach\Dropbox\tinyusb\workspace\tinyusb\tinyusb\host\ehci\ehci.c</Filename>
+          <ExecCommand></ExecCommand>
+          <Expression></Expression>
+        </Bp>
+      </Breakpoint>
       <DebugFlag>
         <trace>0</trace>
         <periodic>1</periodic>
@@ -147,7 +184,7 @@
         <aSer1>0</aSer1>
         <aSer2>0</aSer2>
         <aPa>0</aPa>
-        <viewmode>0</viewmode>
+        <viewmode>1</viewmode>
         <vrSel>0</vrSel>
         <aSym>0</aSym>
         <aTbox>0</aTbox>
@@ -162,7 +199,7 @@
         <aSer4>0</aSer4>
         <StkLoc>0</StkLoc>
         <TrcWin>0</TrcWin>
-        <newCpu>3</newCpu>
+        <newCpu>0</newCpu>
         <uProt>0</uProt>
       </DebugFlag>
       <Tracepoint>
@@ -174,7 +211,7 @@
   </Target>
 
   <Group>
-    <GroupName>Startup</GroupName>
+    <GroupName>bsp_boards</GroupName>
     <tvExp>0</tvExp>
     <tvExpOptDlg>0</tvExpOptDlg>
     <cbSel>0</cbSel>
@@ -182,30 +219,6 @@
     <File>
       <GroupNumber>1</GroupNumber>
       <FileNumber>1</FileNumber>
-      <FileType>2</FileType>
-      <tvExp>0</tvExp>
-      <Focus>0</Focus>
-      <ColumnNumber>0</ColumnNumber>
-      <tvExpOptDlg>0</tvExpOptDlg>
-      <TopLine>0</TopLine>
-      <CurrentLine>0</CurrentLine>
-      <bDave2>0</bDave2>
-      <PathWithFileName>./Startup/startup_LPC43xx_arm.s</PathWithFileName>
-      <FilenameWithoutPath>startup_LPC43xx_arm.s</FilenameWithoutPath>
-      <RteFlg>0</RteFlg>
-      <bShared>0</bShared>
-    </File>
-  </Group>
-
-  <Group>
-    <GroupName>bsp_boards</GroupName>
-    <tvExp>0</tvExp>
-    <tvExpOptDlg>0</tvExpOptDlg>
-    <cbSel>0</cbSel>
-    <RteFlg>0</RteFlg>
-    <File>
-      <GroupNumber>2</GroupNumber>
-      <FileNumber>2</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <Focus>0</Focus>
@@ -220,8 +233,8 @@
       <bShared>0</bShared>
     </File>
     <File>
-      <GroupNumber>2</GroupNumber>
-      <FileNumber>3</FileNumber>
+      <GroupNumber>1</GroupNumber>
+      <FileNumber>2</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <Focus>0</Focus>
@@ -236,8 +249,8 @@
       <bShared>0</bShared>
     </File>
     <File>
-      <GroupNumber>2</GroupNumber>
-      <FileNumber>4</FileNumber>
+      <GroupNumber>1</GroupNumber>
+      <FileNumber>3</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <Focus>0</Focus>
@@ -252,8 +265,8 @@
       <bShared>0</bShared>
     </File>
     <File>
-      <GroupNumber>2</GroupNumber>
-      <FileNumber>5</FileNumber>
+      <GroupNumber>1</GroupNumber>
+      <FileNumber>4</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <Focus>0</Focus>
@@ -268,8 +281,8 @@
       <bShared>0</bShared>
     </File>
     <File>
-      <GroupNumber>2</GroupNumber>
-      <FileNumber>6</FileNumber>
+      <GroupNumber>1</GroupNumber>
+      <FileNumber>5</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <Focus>0</Focus>
@@ -284,8 +297,8 @@
       <bShared>0</bShared>
     </File>
     <File>
-      <GroupNumber>2</GroupNumber>
-      <FileNumber>7</FileNumber>
+      <GroupNumber>1</GroupNumber>
+      <FileNumber>6</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <Focus>0</Focus>
@@ -301,239 +314,55 @@
     </File>
   </Group>
 
-  <Group>
-    <GroupName>bsp_lpc11uxx</GroupName>
-    <tvExp>0</tvExp>
-    <tvExpOptDlg>0</tvExpOptDlg>
-    <cbSel>0</cbSel>
-    <RteFlg>0</RteFlg>
-    <File>
-      <GroupNumber>3</GroupNumber>
-      <FileNumber>8</FileNumber>
-      <FileType>1</FileType>
-      <tvExp>0</tvExp>
-      <Focus>0</Focus>
-      <ColumnNumber>0</ColumnNumber>
-      <tvExpOptDlg>0</tvExpOptDlg>
-      <TopLine>0</TopLine>
-      <CurrentLine>0</CurrentLine>
-      <bDave2>0</bDave2>
-      <PathWithFileName>../bsp/lpc11uxx/gpio.c</PathWithFileName>
-      <FilenameWithoutPath>gpio.c</FilenameWithoutPath>
-      <RteFlg>0</RteFlg>
-      <bShared>0</bShared>
-    </File>
-    <File>
-      <GroupNumber>3</GroupNumber>
-      <FileNumber>9</FileNumber>
-      <FileType>1</FileType>
-      <tvExp>0</tvExp>
-      <Focus>0</Focus>
-      <ColumnNumber>0</ColumnNumber>
-      <tvExpOptDlg>0</tvExpOptDlg>
-      <TopLine>0</TopLine>
-      <CurrentLine>0</CurrentLine>
-      <bDave2>0</bDave2>
-      <PathWithFileName>../bsp/lpc11uxx/uart.c</PathWithFileName>
-      <FilenameWithoutPath>uart.c</FilenameWithoutPath>
-      <RteFlg>0</RteFlg>
-      <bShared>0</bShared>
-    </File>
-  </Group>
-
-  <Group>
-    <GroupName>bsp_lpc11uxx_startup_xpresso</GroupName>
-    <tvExp>0</tvExp>
-    <tvExpOptDlg>0</tvExpOptDlg>
-    <cbSel>0</cbSel>
-    <RteFlg>0</RteFlg>
-    <File>
-      <GroupNumber>4</GroupNumber>
-      <FileNumber>10</FileNumber>
-      <FileType>1</FileType>
-      <tvExp>0</tvExp>
-      <Focus>0</Focus>
-      <ColumnNumber>0</ColumnNumber>
-      <tvExpOptDlg>0</tvExpOptDlg>
-      <TopLine>0</TopLine>
-      <CurrentLine>0</CurrentLine>
-      <bDave2>0</bDave2>
-      <PathWithFileName>../bsp/lpc11uxx/startup_xpresso/cr_startup_lpc11u.c</PathWithFileName>
-      <FilenameWithoutPath>cr_startup_lpc11u.c</FilenameWithoutPath>
-      <RteFlg>0</RteFlg>
-      <bShared>0</bShared>
-    </File>
-  </Group>
-
-  <Group>
-    <GroupName>bsp_lpc13uxx</GroupName>
-    <tvExp>0</tvExp>
-    <tvExpOptDlg>0</tvExpOptDlg>
-    <cbSel>0</cbSel>
-    <RteFlg>0</RteFlg>
-    <File>
-      <GroupNumber>5</GroupNumber>
-      <FileNumber>11</FileNumber>
-      <FileType>1</FileType>
-      <tvExp>0</tvExp>
-      <Focus>0</Focus>
-      <ColumnNumber>0</ColumnNumber>
-      <tvExpOptDlg>0</tvExpOptDlg>
-      <TopLine>0</TopLine>
-      <CurrentLine>0</CurrentLine>
-      <bDave2>0</bDave2>
-      <PathWithFileName>../bsp/lpc13uxx/Serial.c</PathWithFileName>
-      <FilenameWithoutPath>Serial.c</FilenameWithoutPath>
-      <RteFlg>0</RteFlg>
-      <bShared>0</bShared>
-    </File>
-    <File>
-      <GroupNumber>5</GroupNumber>
-      <FileNumber>12</FileNumber>
-      <FileType>1</FileType>
-      <tvExp>0</tvExp>
-      <Focus>0</Focus>
-      <ColumnNumber>0</ColumnNumber>
-      <tvExpOptDlg>0</tvExpOptDlg>
-      <TopLine>0</TopLine>
-      <CurrentLine>0</CurrentLine>
-      <bDave2>0</bDave2>
-      <PathWithFileName>../bsp/lpc13uxx/clkconfig.c</PathWithFileName>
-      <FilenameWithoutPath>clkconfig.c</FilenameWithoutPath>
-      <RteFlg>0</RteFlg>
-      <bShared>0</bShared>
-    </File>
-    <File>
-      <GroupNumber>5</GroupNumber>
-      <FileNumber>13</FileNumber>
-      <FileType>1</FileType>
-      <tvExp>0</tvExp>
-      <Focus>0</Focus>
-      <ColumnNumber>0</ColumnNumber>
-      <tvExpOptDlg>0</tvExpOptDlg>
-      <TopLine>0</TopLine>
-      <CurrentLine>0</CurrentLine>
-      <bDave2>0</bDave2>
-      <PathWithFileName>../bsp/lpc13uxx/nmi.c</PathWithFileName>
-      <FilenameWithoutPath>nmi.c</FilenameWithoutPath>
-      <RteFlg>0</RteFlg>
-      <bShared>0</bShared>
-    </File>
-    <File>
-      <GroupNumber>5</GroupNumber>
-      <FileNumber>14</FileNumber>
-      <FileType>1</FileType>
-      <tvExp>0</tvExp>
-      <Focus>0</Focus>
-      <ColumnNumber>0</ColumnNumber>
-      <tvExpOptDlg>0</tvExpOptDlg>
-      <TopLine>0</TopLine>
-      <CurrentLine>0</CurrentLine>
-      <bDave2>0</bDave2>
-      <PathWithFileName>../bsp/lpc13uxx/timer16.c</PathWithFileName>
-      <FilenameWithoutPath>timer16.c</FilenameWithoutPath>
-      <RteFlg>0</RteFlg>
-      <bShared>0</bShared>
-    </File>
-    <File>
-      <GroupNumber>5</GroupNumber>
-      <FileNumber>15</FileNumber>
-      <FileType>1</FileType>
-      <tvExp>0</tvExp>
-      <Focus>0</Focus>
-      <ColumnNumber>0</ColumnNumber>
-      <tvExpOptDlg>0</tvExpOptDlg>
-      <TopLine>0</TopLine>
-      <CurrentLine>0</CurrentLine>
-      <bDave2>0</bDave2>
-      <PathWithFileName>../bsp/lpc13uxx/timer32.c</PathWithFileName>
-      <FilenameWithoutPath>timer32.c</FilenameWithoutPath>
-      <RteFlg>0</RteFlg>
-      <bShared>0</bShared>
-    </File>
-  </Group>
-
-  <Group>
-    <GroupName>bsp_lpc13uxx_startup_xpresso</GroupName>
-    <tvExp>0</tvExp>
-    <tvExpOptDlg>0</tvExpOptDlg>
-    <cbSel>0</cbSel>
-    <RteFlg>0</RteFlg>
-    <File>
-      <GroupNumber>6</GroupNumber>
-      <FileNumber>16</FileNumber>
-      <FileType>1</FileType>
-      <tvExp>0</tvExp>
-      <Focus>0</Focus>
-      <ColumnNumber>0</ColumnNumber>
-      <tvExpOptDlg>0</tvExpOptDlg>
-      <TopLine>0</TopLine>
-      <CurrentLine>0</CurrentLine>
-      <bDave2>0</bDave2>
-      <PathWithFileName>../bsp/lpc13uxx/startup_xpresso/cr_startup_lpc13u.c</PathWithFileName>
-      <FilenameWithoutPath>cr_startup_lpc13u.c</FilenameWithoutPath>
-      <RteFlg>0</RteFlg>
-      <bShared>0</bShared>
-    </File>
-  </Group>
-
-  <Group>
-    <GroupName>bsp_lpc43xx_startup_xpresso</GroupName>
-    <tvExp>0</tvExp>
-    <tvExpOptDlg>0</tvExpOptDlg>
-    <cbSel>0</cbSel>
-    <RteFlg>0</RteFlg>
-    <File>
-      <GroupNumber>7</GroupNumber>
-      <FileNumber>17</FileNumber>
-      <FileType>1</FileType>
-      <tvExp>0</tvExp>
-      <Focus>0</Focus>
-      <ColumnNumber>0</ColumnNumber>
-      <tvExpOptDlg>0</tvExpOptDlg>
-      <TopLine>0</TopLine>
-      <CurrentLine>0</CurrentLine>
-      <bDave2>0</bDave2>
-      <PathWithFileName>../bsp/lpc43xx/startup_xpresso/cr_startup_lpc43xx.c</PathWithFileName>
-      <FilenameWithoutPath>cr_startup_lpc43xx.c</FilenameWithoutPath>
-      <RteFlg>0</RteFlg>
-      <bShared>0</bShared>
-    </File>
-  </Group>
-
   <Group>
     <GroupName>host</GroupName>
-    <tvExp>0</tvExp>
+    <tvExp>1</tvExp>
     <tvExpOptDlg>0</tvExpOptDlg>
     <cbSel>0</cbSel>
     <RteFlg>0</RteFlg>
     <File>
-      <GroupNumber>8</GroupNumber>
-      <FileNumber>18</FileNumber>
+      <GroupNumber>2</GroupNumber>
+      <FileNumber>7</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <Focus>0</Focus>
       <ColumnNumber>0</ColumnNumber>
       <tvExpOptDlg>0</tvExpOptDlg>
-      <TopLine>0</TopLine>
-      <CurrentLine>0</CurrentLine>
+      <TopLine>1</TopLine>
+      <CurrentLine>36</CurrentLine>
       <bDave2>0</bDave2>
       <PathWithFileName>./main.c</PathWithFileName>
       <FilenameWithoutPath>main.c</FilenameWithoutPath>
       <RteFlg>0</RteFlg>
       <bShared>0</bShared>
     </File>
+    <File>
+      <GroupNumber>2</GroupNumber>
+      <FileNumber>8</FileNumber>
+      <FileType>5</FileType>
+      <tvExp>0</tvExp>
+      <Focus>0</Focus>
+      <ColumnNumber>0</ColumnNumber>
+      <tvExpOptDlg>0</tvExpOptDlg>
+      <TopLine>0</TopLine>
+      <CurrentLine>0</CurrentLine>
+      <bDave2>0</bDave2>
+      <PathWithFileName>.\tusb_config.h</PathWithFileName>
+      <FilenameWithoutPath>tusb_config.h</FilenameWithoutPath>
+      <RteFlg>0</RteFlg>
+      <bShared>0</bShared>
+    </File>
   </Group>
 
   <Group>
     <GroupName>tinyusb</GroupName>
-    <tvExp>0</tvExp>
+    <tvExp>1</tvExp>
     <tvExpOptDlg>0</tvExpOptDlg>
     <cbSel>0</cbSel>
     <RteFlg>0</RteFlg>
     <File>
-      <GroupNumber>9</GroupNumber>
-      <FileNumber>19</FileNumber>
+      <GroupNumber>3</GroupNumber>
+      <FileNumber>9</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <Focus>0</Focus>
@@ -556,40 +385,8 @@
     <cbSel>0</cbSel>
     <RteFlg>0</RteFlg>
     <File>
-      <GroupNumber>10</GroupNumber>
-      <FileNumber>20</FileNumber>
-      <FileType>1</FileType>
-      <tvExp>0</tvExp>
-      <Focus>0</Focus>
-      <ColumnNumber>0</ColumnNumber>
-      <tvExpOptDlg>0</tvExpOptDlg>
-      <TopLine>0</TopLine>
-      <CurrentLine>0</CurrentLine>
-      <bDave2>0</bDave2>
-      <PathWithFileName>../../tinyusb/class/cdc.c</PathWithFileName>
-      <FilenameWithoutPath>cdc.c</FilenameWithoutPath>
-      <RteFlg>0</RteFlg>
-      <bShared>0</bShared>
-    </File>
-    <File>
-      <GroupNumber>10</GroupNumber>
-      <FileNumber>21</FileNumber>
-      <FileType>1</FileType>
-      <tvExp>0</tvExp>
-      <Focus>0</Focus>
-      <ColumnNumber>0</ColumnNumber>
-      <tvExpOptDlg>0</tvExpOptDlg>
-      <TopLine>0</TopLine>
-      <CurrentLine>0</CurrentLine>
-      <bDave2>0</bDave2>
-      <PathWithFileName>../../tinyusb/class/hid.c</PathWithFileName>
-      <FilenameWithoutPath>hid.c</FilenameWithoutPath>
-      <RteFlg>0</RteFlg>
-      <bShared>0</bShared>
-    </File>
-    <File>
-      <GroupNumber>10</GroupNumber>
-      <FileNumber>22</FileNumber>
+      <GroupNumber>4</GroupNumber>
+      <FileNumber>10</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <Focus>0</Focus>
@@ -604,8 +401,8 @@
       <bShared>0</bShared>
     </File>
     <File>
-      <GroupNumber>10</GroupNumber>
-      <FileNumber>23</FileNumber>
+      <GroupNumber>4</GroupNumber>
+      <FileNumber>11</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <Focus>0</Focus>
@@ -628,8 +425,8 @@
     <cbSel>0</cbSel>
     <RteFlg>0</RteFlg>
     <File>
-      <GroupNumber>11</GroupNumber>
-      <FileNumber>24</FileNumber>
+      <GroupNumber>5</GroupNumber>
+      <FileNumber>12</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <Focus>0</Focus>
@@ -644,8 +441,8 @@
       <bShared>0</bShared>
     </File>
     <File>
-      <GroupNumber>11</GroupNumber>
-      <FileNumber>25</FileNumber>
+      <GroupNumber>5</GroupNumber>
+      <FileNumber>13</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <Focus>0</Focus>
@@ -661,30 +458,6 @@
     </File>
   </Group>
 
-  <Group>
-    <GroupName>tinyusb_device</GroupName>
-    <tvExp>0</tvExp>
-    <tvExpOptDlg>0</tvExpOptDlg>
-    <cbSel>0</cbSel>
-    <RteFlg>0</RteFlg>
-    <File>
-      <GroupNumber>12</GroupNumber>
-      <FileNumber>26</FileNumber>
-      <FileType>1</FileType>
-      <tvExp>0</tvExp>
-      <Focus>0</Focus>
-      <ColumnNumber>0</ColumnNumber>
-      <tvExpOptDlg>0</tvExpOptDlg>
-      <TopLine>0</TopLine>
-      <CurrentLine>0</CurrentLine>
-      <bDave2>0</bDave2>
-      <PathWithFileName>../../tinyusb/device/dcd.c</PathWithFileName>
-      <FilenameWithoutPath>dcd.c</FilenameWithoutPath>
-      <RteFlg>0</RteFlg>
-      <bShared>0</bShared>
-    </File>
-  </Group>
-
   <Group>
     <GroupName>tinyusb_hal</GroupName>
     <tvExp>0</tvExp>
@@ -692,8 +465,8 @@
     <cbSel>0</cbSel>
     <RteFlg>0</RteFlg>
     <File>
-      <GroupNumber>13</GroupNumber>
-      <FileNumber>27</FileNumber>
+      <GroupNumber>6</GroupNumber>
+      <FileNumber>14</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <Focus>0</Focus>
@@ -708,8 +481,8 @@
       <bShared>0</bShared>
     </File>
     <File>
-      <GroupNumber>13</GroupNumber>
-      <FileNumber>28</FileNumber>
+      <GroupNumber>6</GroupNumber>
+      <FileNumber>15</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <Focus>0</Focus>
@@ -724,8 +497,8 @@
       <bShared>0</bShared>
     </File>
     <File>
-      <GroupNumber>13</GroupNumber>
-      <FileNumber>29</FileNumber>
+      <GroupNumber>6</GroupNumber>
+      <FileNumber>16</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <Focus>0</Focus>
@@ -748,8 +521,8 @@
     <cbSel>0</cbSel>
     <RteFlg>0</RteFlg>
     <File>
-      <GroupNumber>14</GroupNumber>
-      <FileNumber>30</FileNumber>
+      <GroupNumber>7</GroupNumber>
+      <FileNumber>17</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <Focus>0</Focus>
@@ -764,15 +537,15 @@
       <bShared>0</bShared>
     </File>
     <File>
-      <GroupNumber>14</GroupNumber>
-      <FileNumber>31</FileNumber>
+      <GroupNumber>7</GroupNumber>
+      <FileNumber>18</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <Focus>0</Focus>
       <ColumnNumber>0</ColumnNumber>
       <tvExpOptDlg>0</tvExpOptDlg>
-      <TopLine>0</TopLine>
-      <CurrentLine>0</CurrentLine>
+      <TopLine>1</TopLine>
+      <CurrentLine>1</CurrentLine>
       <bDave2>0</bDave2>
       <PathWithFileName>../../tinyusb/host/usbh.c</PathWithFileName>
       <FilenameWithoutPath>usbh.c</FilenameWithoutPath>
@@ -788,15 +561,15 @@
     <cbSel>0</cbSel>
     <RteFlg>0</RteFlg>
     <File>
-      <GroupNumber>15</GroupNumber>
-      <FileNumber>32</FileNumber>
+      <GroupNumber>8</GroupNumber>
+      <FileNumber>19</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <Focus>0</Focus>
       <ColumnNumber>0</ColumnNumber>
       <tvExpOptDlg>0</tvExpOptDlg>
-      <TopLine>0</TopLine>
-      <CurrentLine>0</CurrentLine>
+      <TopLine>184</TopLine>
+      <CurrentLine>189</CurrentLine>
       <bDave2>0</bDave2>
       <PathWithFileName>../../tinyusb/host/ehci/ehci.c</PathWithFileName>
       <FilenameWithoutPath>ehci.c</FilenameWithoutPath>
@@ -812,8 +585,8 @@
     <cbSel>0</cbSel>
     <RteFlg>0</RteFlg>
     <File>
-      <GroupNumber>16</GroupNumber>
-      <FileNumber>33</FileNumber>
+      <GroupNumber>9</GroupNumber>
+      <FileNumber>20</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <Focus>0</Focus>
@@ -829,4 +602,132 @@
     </File>
   </Group>
 
+  <Group>
+    <GroupName>startup</GroupName>
+    <tvExp>1</tvExp>
+    <tvExpOptDlg>0</tvExpOptDlg>
+    <cbSel>0</cbSel>
+    <RteFlg>0</RteFlg>
+    <File>
+      <GroupNumber>10</GroupNumber>
+      <FileNumber>21</FileNumber>
+      <FileType>2</FileType>
+      <tvExp>0</tvExp>
+      <Focus>0</Focus>
+      <ColumnNumber>0</ColumnNumber>
+      <tvExpOptDlg>0</tvExpOptDlg>
+      <TopLine>146</TopLine>
+      <CurrentLine>158</CurrentLine>
+      <bDave2>0</bDave2>
+      <PathWithFileName>..\bsp\lpc43xx\startup_keil\startup_LPC43xx_arm.s</PathWithFileName>
+      <FilenameWithoutPath>startup_LPC43xx_arm.s</FilenameWithoutPath>
+      <RteFlg>0</RteFlg>
+      <bShared>0</bShared>
+    </File>
+  </Group>
+
+  <Group>
+    <GroupName>CMSISv2p10_LPC43xx_DriverLib</GroupName>
+    <tvExp>1</tvExp>
+    <tvExpOptDlg>0</tvExpOptDlg>
+    <cbSel>0</cbSel>
+    <RteFlg>0</RteFlg>
+    <File>
+      <GroupNumber>11</GroupNumber>
+      <FileNumber>22</FileNumber>
+      <FileType>1</FileType>
+      <tvExp>0</tvExp>
+      <Focus>0</Focus>
+      <ColumnNumber>0</ColumnNumber>
+      <tvExpOptDlg>0</tvExpOptDlg>
+      <TopLine>0</TopLine>
+      <CurrentLine>0</CurrentLine>
+      <bDave2>0</bDave2>
+      <PathWithFileName>..\..\..\CMSISv2p10_LPC43xx_DriverLib\src\lpc43xx_uart.c</PathWithFileName>
+      <FilenameWithoutPath>lpc43xx_uart.c</FilenameWithoutPath>
+      <RteFlg>0</RteFlg>
+      <bShared>0</bShared>
+    </File>
+    <File>
+      <GroupNumber>11</GroupNumber>
+      <FileNumber>23</FileNumber>
+      <FileType>1</FileType>
+      <tvExp>0</tvExp>
+      <Focus>0</Focus>
+      <ColumnNumber>0</ColumnNumber>
+      <tvExpOptDlg>0</tvExpOptDlg>
+      <TopLine>0</TopLine>
+      <CurrentLine>0</CurrentLine>
+      <bDave2>0</bDave2>
+      <PathWithFileName>..\..\..\CMSISv2p10_LPC43xx_DriverLib\src\lpc43xx_cgu.c</PathWithFileName>
+      <FilenameWithoutPath>lpc43xx_cgu.c</FilenameWithoutPath>
+      <RteFlg>0</RteFlg>
+      <bShared>0</bShared>
+    </File>
+    <File>
+      <GroupNumber>11</GroupNumber>
+      <FileNumber>24</FileNumber>
+      <FileType>1</FileType>
+      <tvExp>0</tvExp>
+      <Focus>0</Focus>
+      <ColumnNumber>0</ColumnNumber>
+      <tvExpOptDlg>0</tvExpOptDlg>
+      <TopLine>0</TopLine>
+      <CurrentLine>0</CurrentLine>
+      <bDave2>0</bDave2>
+      <PathWithFileName>..\..\..\CMSISv2p10_LPC43xx_DriverLib\src\lpc43xx_gpio.c</PathWithFileName>
+      <FilenameWithoutPath>lpc43xx_gpio.c</FilenameWithoutPath>
+      <RteFlg>0</RteFlg>
+      <bShared>0</bShared>
+    </File>
+    <File>
+      <GroupNumber>11</GroupNumber>
+      <FileNumber>25</FileNumber>
+      <FileType>1</FileType>
+      <tvExp>0</tvExp>
+      <Focus>0</Focus>
+      <ColumnNumber>0</ColumnNumber>
+      <tvExpOptDlg>0</tvExpOptDlg>
+      <TopLine>0</TopLine>
+      <CurrentLine>0</CurrentLine>
+      <bDave2>0</bDave2>
+      <PathWithFileName>..\..\..\CMSISv2p10_LPC43xx_DriverLib\src\lpc43xx_nvic.c</PathWithFileName>
+      <FilenameWithoutPath>lpc43xx_nvic.c</FilenameWithoutPath>
+      <RteFlg>0</RteFlg>
+      <bShared>0</bShared>
+    </File>
+    <File>
+      <GroupNumber>11</GroupNumber>
+      <FileNumber>26</FileNumber>
+      <FileType>1</FileType>
+      <tvExp>0</tvExp>
+      <Focus>0</Focus>
+      <ColumnNumber>0</ColumnNumber>
+      <tvExpOptDlg>0</tvExpOptDlg>
+      <TopLine>0</TopLine>
+      <CurrentLine>0</CurrentLine>
+      <bDave2>0</bDave2>
+      <PathWithFileName>..\..\..\CMSISv2p10_LPC43xx_DriverLib\src\lpc43xx_scu.c</PathWithFileName>
+      <FilenameWithoutPath>lpc43xx_scu.c</FilenameWithoutPath>
+      <RteFlg>0</RteFlg>
+      <bShared>0</bShared>
+    </File>
+    <File>
+      <GroupNumber>11</GroupNumber>
+      <FileNumber>27</FileNumber>
+      <FileType>1</FileType>
+      <tvExp>0</tvExp>
+      <Focus>0</Focus>
+      <ColumnNumber>0</ColumnNumber>
+      <tvExpOptDlg>0</tvExpOptDlg>
+      <TopLine>34</TopLine>
+      <CurrentLine>68</CurrentLine>
+      <bDave2>0</bDave2>
+      <PathWithFileName>..\..\..\CMSISv2p10_LPC43xx_DriverLib\src\system_LPC43xx.c</PathWithFileName>
+      <FilenameWithoutPath>system_LPC43xx.c</FilenameWithoutPath>
+      <RteFlg>0</RteFlg>
+      <bShared>0</bShared>
+    </File>
+  </Group>
+
 </ProjectOpt>
diff --git a/demos/host/host.uvproj b/demos/host/host.uvproj
index 23baa0f06..17e09403f 100644
--- a/demos/host/host.uvproj
+++ b/demos/host/host.uvproj
@@ -50,7 +50,7 @@
           <CreateHexFile>0</CreateHexFile>
           <DebugInformation>1</DebugInformation>
           <BrowseInformation>1</BrowseInformation>
-          <ListingPath>.\</ListingPath>
+          <ListingPath>.\UV4Build\</ListingPath>
           <HexFormatSelection>1</HexFormatSelection>
           <Merge32K>0</Merge32K>
           <CreateBatchFile>0</CreateBatchFile>
@@ -139,7 +139,7 @@
             <RestoreTracepoints>1</RestoreTracepoints>
           </Target>
           <RunDebugAfterBuild>0</RunDebugAfterBuild>
-          <TargetSelection>1</TargetSelection>
+          <TargetSelection>7</TargetSelection>
           <SimDlls>
             <CpuDll></CpuDll>
             <CpuDllArguments></CpuDllArguments>
@@ -153,7 +153,7 @@
             <PeripheralDll></PeripheralDll>
             <PeripheralDllArguments></PeripheralDllArguments>
             <InitializationFile></InitializationFile>
-            <Driver>BIN\UL2CM3.DLL</Driver>
+            <Driver>Segger\JL2CM3.dll</Driver>
           </TargetDlls>
         </DebugOption>
         <Utilities>
@@ -162,11 +162,11 @@
             <UseExternalTool>0</UseExternalTool>
             <RunIndependent>0</RunIndependent>
             <UpdateFlashBeforeDebugging>1</UpdateFlashBeforeDebugging>
-            <Capability>0</Capability>
-            <DriverSelection>-1</DriverSelection>
+            <Capability>1</Capability>
+            <DriverSelection>4099</DriverSelection>
           </Flash1>
-          <Flash2>BIN\UL2CM3.DLL</Flash2>
-          <Flash3></Flash3>
+          <Flash2>Segger\JL2CM3.dll</Flash2>
+          <Flash3>"" ()</Flash3>
           <Flash4></Flash4>
         </Utilities>
         <TargetArmAds>
@@ -232,7 +232,7 @@
             <Ra2Chk>0</Ra2Chk>
             <Ra3Chk>0</Ra3Chk>
             <Im1Chk>1</Im1Chk>
-            <Im2Chk>0</Im2Chk>
+            <Im2Chk>1</Im2Chk>
             <OnChipMemories>
               <Ocm1>
                 <Type>0</Type>
@@ -280,17 +280,17 @@
                 <Size>0x0</Size>
               </XRAM>
               <OCR_RVCT1>
-                <Type>0</Type>
+                <Type>1</Type>
                 <StartAddress>0x0</StartAddress>
                 <Size>0x0</Size>
               </OCR_RVCT1>
               <OCR_RVCT2>
-                <Type>0</Type>
+                <Type>1</Type>
                 <StartAddress>0x0</StartAddress>
                 <Size>0x0</Size>
               </OCR_RVCT2>
               <OCR_RVCT3>
-                <Type>0</Type>
+                <Type>1</Type>
                 <StartAddress>0x0</StartAddress>
                 <Size>0x0</Size>
               </OCR_RVCT3>
@@ -347,10 +347,10 @@
             <uThumb>0</uThumb>
             <uSurpInc>0</uSurpInc>
             <VariousControls>
-              <MiscControls></MiscControls>
-              <Define></Define>
+              <MiscControls>--gnu --c99</MiscControls>
+              <Define>MCU=MCU_LPC43XX BOARD=BOARD_EA4357 CORE_M4</Define>
               <Undefine></Undefine>
-              <IncludePath>C:/Users/hathach/Dropbox/tinyusb/workspace/CMSISv2p10_LPC43xx_DriverLib/inc;C:/Users/hathach/Dropbox/tinyusb/workspace/tinyusb/demos/bsp;C:/Users/hathach/Dropbox/tinyusb/workspace/tinyusb/tinyusb</IncludePath>
+              <IncludePath>C:/Users/hathach/Dropbox/tinyusb/workspace/CMSISv2p10_LPC43xx_DriverLib/inc;C:/Users/hathach/Dropbox/tinyusb/workspace/tinyusb/demos/bsp;C:/Users/hathach/Dropbox/tinyusb/workspace/tinyusb/tinyusb;..\host</IncludePath>
             </VariousControls>
           </Cads>
           <Aads>
@@ -378,7 +378,7 @@
             <useFile>0</useFile>
             <TextAddressRange>0x1A000000</TextAddressRange>
             <DataAddressRange>0x10000000</DataAddressRange>
-            <ScatterFile></ScatterFile>
+            <ScatterFile>.\UV4Build\host.sct</ScatterFile>
             <IncludeLibs></IncludeLibs>
             <IncludeLibsPath></IncludeLibsPath>
             <Misc></Misc>
@@ -388,16 +388,6 @@
         </TargetArmAds>
       </TargetOption>
       <Groups>
-        <Group>
-          <GroupName>Startup</GroupName>
-          <Files>
-            <File>
-              <FileName>startup_LPC43xx_arm.s</FileName>
-              <FileType>2</FileType>
-              <FilePath>./Startup/startup_LPC43xx_arm.s</FilePath>
-            </File>
-          </Files>
-        </Group>
         <Group>
           <GroupName>bsp_boards</GroupName>
           <Files>
@@ -433,81 +423,6 @@
             </File>
           </Files>
         </Group>
-        <Group>
-          <GroupName>bsp_lpc11uxx</GroupName>
-          <Files>
-            <File>
-              <FileName>gpio.c</FileName>
-              <FileType>1</FileType>
-              <FilePath>../bsp/lpc11uxx/gpio.c</FilePath>
-            </File>
-            <File>
-              <FileName>uart.c</FileName>
-              <FileType>1</FileType>
-              <FilePath>../bsp/lpc11uxx/uart.c</FilePath>
-            </File>
-          </Files>
-        </Group>
-        <Group>
-          <GroupName>bsp_lpc11uxx_startup_xpresso</GroupName>
-          <Files>
-            <File>
-              <FileName>cr_startup_lpc11u.c</FileName>
-              <FileType>1</FileType>
-              <FilePath>../bsp/lpc11uxx/startup_xpresso/cr_startup_lpc11u.c</FilePath>
-            </File>
-          </Files>
-        </Group>
-        <Group>
-          <GroupName>bsp_lpc13uxx</GroupName>
-          <Files>
-            <File>
-              <FileName>Serial.c</FileName>
-              <FileType>1</FileType>
-              <FilePath>../bsp/lpc13uxx/Serial.c</FilePath>
-            </File>
-            <File>
-              <FileName>clkconfig.c</FileName>
-              <FileType>1</FileType>
-              <FilePath>../bsp/lpc13uxx/clkconfig.c</FilePath>
-            </File>
-            <File>
-              <FileName>nmi.c</FileName>
-              <FileType>1</FileType>
-              <FilePath>../bsp/lpc13uxx/nmi.c</FilePath>
-            </File>
-            <File>
-              <FileName>timer16.c</FileName>
-              <FileType>1</FileType>
-              <FilePath>../bsp/lpc13uxx/timer16.c</FilePath>
-            </File>
-            <File>
-              <FileName>timer32.c</FileName>
-              <FileType>1</FileType>
-              <FilePath>../bsp/lpc13uxx/timer32.c</FilePath>
-            </File>
-          </Files>
-        </Group>
-        <Group>
-          <GroupName>bsp_lpc13uxx_startup_xpresso</GroupName>
-          <Files>
-            <File>
-              <FileName>cr_startup_lpc13u.c</FileName>
-              <FileType>1</FileType>
-              <FilePath>../bsp/lpc13uxx/startup_xpresso/cr_startup_lpc13u.c</FilePath>
-            </File>
-          </Files>
-        </Group>
-        <Group>
-          <GroupName>bsp_lpc43xx_startup_xpresso</GroupName>
-          <Files>
-            <File>
-              <FileName>cr_startup_lpc43xx.c</FileName>
-              <FileType>1</FileType>
-              <FilePath>../bsp/lpc43xx/startup_xpresso/cr_startup_lpc43xx.c</FilePath>
-            </File>
-          </Files>
-        </Group>
         <Group>
           <GroupName>host</GroupName>
           <Files>
@@ -516,6 +431,11 @@
               <FileType>1</FileType>
               <FilePath>./main.c</FilePath>
             </File>
+            <File>
+              <FileName>tusb_config.h</FileName>
+              <FileType>5</FileType>
+              <FilePath>.\tusb_config.h</FilePath>
+            </File>
           </Files>
         </Group>
         <Group>
@@ -531,16 +451,6 @@
         <Group>
           <GroupName>tinyusb_class</GroupName>
           <Files>
-            <File>
-              <FileName>cdc.c</FileName>
-              <FileType>1</FileType>
-              <FilePath>../../tinyusb/class/cdc.c</FilePath>
-            </File>
-            <File>
-              <FileName>hid.c</FileName>
-              <FileType>1</FileType>
-              <FilePath>../../tinyusb/class/hid.c</FilePath>
-            </File>
             <File>
               <FileName>hid_host.c</FileName>
               <FileType>1</FileType>
@@ -568,16 +478,6 @@
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           </Files>
         </Group>
-        <Group>
-          <GroupName>tinyusb_device</GroupName>
-          <Files>
-            <File>
-              <FileName>dcd.c</FileName>
-              <FileType>1</FileType>
-              <FilePath>../../tinyusb/device/dcd.c</FilePath>
-            </File>
-          </Files>
-        </Group>
         <Group>
           <GroupName>tinyusb_hal</GroupName>
           <Files>
@@ -633,6 +533,51 @@
             </File>
           </Files>
         </Group>
+        <Group>
+          <GroupName>startup</GroupName>
+          <Files>
+            <File>
+              <FileName>startup_LPC43xx_arm.s</FileName>
+              <FileType>2</FileType>
+              <FilePath>..\bsp\lpc43xx\startup_keil\startup_LPC43xx_arm.s</FilePath>
+            </File>
+          </Files>
+        </Group>
+        <Group>
+          <GroupName>CMSISv2p10_LPC43xx_DriverLib</GroupName>
+          <Files>
+            <File>
+              <FileName>lpc43xx_uart.c</FileName>
+              <FileType>1</FileType>
+              <FilePath>..\..\..\CMSISv2p10_LPC43xx_DriverLib\src\lpc43xx_uart.c</FilePath>
+            </File>
+            <File>
+              <FileName>lpc43xx_cgu.c</FileName>
+              <FileType>1</FileType>
+              <FilePath>..\..\..\CMSISv2p10_LPC43xx_DriverLib\src\lpc43xx_cgu.c</FilePath>
+            </File>
+            <File>
+              <FileName>lpc43xx_gpio.c</FileName>
+              <FileType>1</FileType>
+              <FilePath>..\..\..\CMSISv2p10_LPC43xx_DriverLib\src\lpc43xx_gpio.c</FilePath>
+            </File>
+            <File>
+              <FileName>lpc43xx_nvic.c</FileName>
+              <FileType>1</FileType>
+              <FilePath>..\..\..\CMSISv2p10_LPC43xx_DriverLib\src\lpc43xx_nvic.c</FilePath>
+            </File>
+            <File>
+              <FileName>lpc43xx_scu.c</FileName>
+              <FileType>1</FileType>
+              <FilePath>..\..\..\CMSISv2p10_LPC43xx_DriverLib\src\lpc43xx_scu.c</FilePath>
+            </File>
+            <File>
+              <FileName>system_LPC43xx.c</FileName>
+              <FileType>1</FileType>
+              <FilePath>..\..\..\CMSISv2p10_LPC43xx_DriverLib\src\system_LPC43xx.c</FilePath>
+            </File>
+          </Files>
+        </Group>
       </Groups>
     </Target>
   </Targets>