add file system feature.

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@1569 bbd45198-f89e-11dd-88c7-29a3b14d5316

3 files changed, 380 insertions, 203 deletions

diff --git a/bsp/stm32f107/project.uvopt b/bsp/stm32f107/project.uvopt
index b076135a42..6af51327f8 100644
--- a/bsp/stm32f107/project.uvopt
+++ b/bsp/stm32f107/project.uvopt
@@ -157,6 +157,38 @@
           <Name>-U12345678 -O14 -S0 -A0 -C0 -JU1 -JI127.0.0.1 -JP0 -RST0 -N00("ARM CoreSight JTAG-DP") -D00(3BA00477) -L00(4) -N01("Unknown JTAG device") -D01(06418041) -L01(5) -TO18 -TC10000000 -TP21 -TDS8007 -TDT0 -TDC1F -TIEFFFFFFFF -TIP8 -TB1 -TFE0 -FO27 -FD20000000 -FC800 -FN1 -FF0STM32F10x_CL -FS08000000 -FL040000</Name>
         </SetRegEntry>
       </TargetDriverDllRegistry>
+      <Breakpoint>
+        <Bp>
+          <Number>0</Number>
+          <Type>0</Type>
+          <LineNumber>272</LineNumber>
+          <EnabledFlag>1</EnabledFlag>
+          <Address>134282140</Address>
+          <ByteObject>0</ByteObject>
+          <ManyObjects>0</ManyObjects>
+          <SizeOfObject>0</SizeOfObject>
+          <BreakByAccess>0</BreakByAccess>
+          <BreakIfRCount>1</BreakIfRCount>
+          <Filename></Filename>
+          <ExecCommand></ExecCommand>
+          <Expression>\\rtthread_stm32\init\272</Expression>
+        </Bp>
+        <Bp>
+          <Number>1</Number>
+          <Type>0</Type>
+          <LineNumber>274</LineNumber>
+          <EnabledFlag>1</EnabledFlag>
+          <Address>134279930</Address>
+          <ByteObject>0</ByteObject>
+          <ManyObjects>0</ManyObjects>
+          <SizeOfObject>0</SizeOfObject>
+          <BreakByAccess>0</BreakByAccess>
+          <BreakIfRCount>1</BreakIfRCount>
+          <Filename></Filename>
+          <ExecCommand></ExecCommand>
+          <Expression>\\rtthread_stm32\dns\274</Expression>
+        </Bp>
+      </Breakpoint>
       <DebugFlag>
         <trace>0</trace>
         <periodic>0</periodic>
@@ -202,7 +234,7 @@
       <ColumnNumber>0</ColumnNumber>
       <tvExpOptDlg>0</tvExpOptDlg>
       <TopLine>70</TopLine>
-      <CurrentLine>80</CurrentLine>
+      <CurrentLine>84</CurrentLine>
       <bDave2>0</bDave2>
       <PathWithFileName>.\application.c</PathWithFileName>
       <FilenameWithoutPath>application.c</FilenameWithoutPath>
@@ -215,8 +247,8 @@
       <Focus>0</Focus>
       <ColumnNumber>0</ColumnNumber>
       <tvExpOptDlg>0</tvExpOptDlg>
-      <TopLine>55</TopLine>
-      <CurrentLine>74</CurrentLine>
+      <TopLine>108</TopLine>
+      <CurrentLine>120</CurrentLine>
       <bDave2>0</bDave2>
       <PathWithFileName>.\startup.c</PathWithFileName>
       <FilenameWithoutPath>startup.c</FilenameWithoutPath>
@@ -241,10 +273,10 @@
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <Focus>0</Focus>
-      <ColumnNumber>0</ColumnNumber>
+      <ColumnNumber>58</ColumnNumber>
       <tvExpOptDlg>0</tvExpOptDlg>
-      <TopLine>0</TopLine>
-      <CurrentLine>0</CurrentLine>
+      <TopLine>166</TopLine>
+      <CurrentLine>166</CurrentLine>
       <bDave2>0</bDave2>
       <PathWithFileName>.\stm32f10x_it.c</PathWithFileName>
       <FilenameWithoutPath>stm32f10x_it.c</FilenameWithoutPath>
@@ -271,26 +303,40 @@
       <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>.\serial.c</PathWithFileName>
       <FilenameWithoutPath>serial.c</FilenameWithoutPath>
     </File>
     <File>
       <GroupNumber>1</GroupNumber>
-      <FileNumber>7</FileNumber>
+      <FileNumber>8</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <Focus>0</Focus>
-      <ColumnNumber>26</ColumnNumber>
+      <ColumnNumber>0</ColumnNumber>
       <tvExpOptDlg>0</tvExpOptDlg>
-      <TopLine>3367</TopLine>
-      <CurrentLine>3367</CurrentLine>
+      <TopLine>284</TopLine>
+      <CurrentLine>296</CurrentLine>
       <bDave2>0</bDave2>
       <PathWithFileName>.\stm32_eth.c</PathWithFileName>
       <FilenameWithoutPath>stm32_eth.c</FilenameWithoutPath>
     </File>
+    <File>
+      <GroupNumber>1</GroupNumber>
+      <FileNumber>0</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>.\msd.c</PathWithFileName>
+      <FilenameWithoutPath>msd.c</FilenameWithoutPath>
+    </File>
   </Group>
 
   <Group>
@@ -300,7 +346,7 @@
     <cbSel>0</cbSel>
     <File>
       <GroupNumber>2</GroupNumber>
-      <FileNumber>8</FileNumber>
+      <FileNumber>9</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <Focus>0</Focus>
@@ -314,7 +360,7 @@
     </File>
     <File>
       <GroupNumber>2</GroupNumber>
-      <FileNumber>9</FileNumber>
+      <FileNumber>10</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <Focus>0</Focus>
@@ -328,21 +374,21 @@
     </File>
     <File>
       <GroupNumber>2</GroupNumber>
-      <FileNumber>10</FileNumber>
+      <FileNumber>11</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <Focus>0</Focus>
       <ColumnNumber>0</ColumnNumber>
       <tvExpOptDlg>0</tvExpOptDlg>
-      <TopLine>52</TopLine>
-      <CurrentLine>63</CurrentLine>
+      <TopLine>0</TopLine>
+      <CurrentLine>0</CurrentLine>
       <bDave2>0</bDave2>
       <PathWithFileName>..\..\src\idle.c</PathWithFileName>
       <FilenameWithoutPath>idle.c</FilenameWithoutPath>
     </File>
     <File>
       <GroupNumber>2</GroupNumber>
-      <FileNumber>11</FileNumber>
+      <FileNumber>12</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <Focus>0</Focus>
@@ -356,7 +402,7 @@
     </File>
     <File>
       <GroupNumber>2</GroupNumber>
-      <FileNumber>12</FileNumber>
+      <FileNumber>13</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <Focus>0</Focus>
@@ -370,7 +416,7 @@
     </File>
     <File>
       <GroupNumber>2</GroupNumber>
-      <FileNumber>13</FileNumber>
+      <FileNumber>14</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <Focus>0</Focus>
@@ -384,7 +430,7 @@
     </File>
     <File>
       <GroupNumber>2</GroupNumber>
-      <FileNumber>14</FileNumber>
+      <FileNumber>15</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <Focus>0</Focus>
@@ -398,7 +444,7 @@
     </File>
     <File>
       <GroupNumber>2</GroupNumber>
-      <FileNumber>15</FileNumber>
+      <FileNumber>16</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <Focus>0</Focus>
@@ -412,7 +458,7 @@
     </File>
     <File>
       <GroupNumber>2</GroupNumber>
-      <FileNumber>16</FileNumber>
+      <FileNumber>17</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <Focus>0</Focus>
@@ -426,7 +472,7 @@
     </File>
     <File>
       <GroupNumber>2</GroupNumber>
-      <FileNumber>17</FileNumber>
+      <FileNumber>18</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <Focus>0</Focus>
@@ -440,7 +486,7 @@
     </File>
     <File>
       <GroupNumber>2</GroupNumber>
-      <FileNumber>18</FileNumber>
+      <FileNumber>19</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <Focus>0</Focus>
@@ -454,7 +500,7 @@
     </File>
     <File>
       <GroupNumber>2</GroupNumber>
-      <FileNumber>19</FileNumber>
+      <FileNumber>20</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <Focus>0</Focus>
@@ -468,7 +514,7 @@
     </File>
     <File>
       <GroupNumber>2</GroupNumber>
-      <FileNumber>20</FileNumber>
+      <FileNumber>21</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <Focus>0</Focus>
@@ -482,7 +528,7 @@
     </File>
     <File>
       <GroupNumber>2</GroupNumber>
-      <FileNumber>21</FileNumber>
+      <FileNumber>22</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <Focus>0</Focus>
@@ -496,7 +542,7 @@
     </File>
     <File>
       <GroupNumber>2</GroupNumber>
-      <FileNumber>22</FileNumber>
+      <FileNumber>23</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <Focus>0</Focus>
@@ -517,21 +563,21 @@
     <cbSel>0</cbSel>
     <File>
       <GroupNumber>3</GroupNumber>
-      <FileNumber>23</FileNumber>
+      <FileNumber>24</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <Focus>0</Focus>
       <ColumnNumber>0</ColumnNumber>
       <tvExpOptDlg>0</tvExpOptDlg>
-      <TopLine>0</TopLine>
-      <CurrentLine>0</CurrentLine>
+      <TopLine>68</TopLine>
+      <CurrentLine>79</CurrentLine>
       <bDave2>0</bDave2>
       <PathWithFileName>..\..\libcpu\arm\stm32\cpuport.c</PathWithFileName>
       <FilenameWithoutPath>cpuport.c</FilenameWithoutPath>
     </File>
     <File>
       <GroupNumber>3</GroupNumber>
-      <FileNumber>24</FileNumber>
+      <FileNumber>25</FileNumber>
       <FileType>2</FileType>
       <tvExp>0</tvExp>
       <Focus>0</Focus>
@@ -545,7 +591,7 @@
     </File>
     <File>
       <GroupNumber>3</GroupNumber>
-      <FileNumber>25</FileNumber>
+      <FileNumber>26</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <Focus>0</Focus>
@@ -559,7 +605,7 @@
     </File>
     <File>
       <GroupNumber>3</GroupNumber>
-      <FileNumber>26</FileNumber>
+      <FileNumber>27</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <Focus>0</Focus>
@@ -573,7 +619,7 @@
     </File>
     <File>
       <GroupNumber>3</GroupNumber>
-      <FileNumber>27</FileNumber>
+      <FileNumber>28</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <Focus>0</Focus>
@@ -588,13 +634,104 @@
   </Group>
 
   <Group>
-    <GroupName>finsh</GroupName>
+    <GroupName>Filesystem</GroupName>
     <tvExp>0</tvExp>
     <tvExpOptDlg>0</tvExpOptDlg>
     <cbSel>0</cbSel>
     <File>
       <GroupNumber>4</GroupNumber>
-      <FileNumber>28</FileNumber>
+      <FileNumber>29</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>..\..\components\dfs\src\dfs.c</PathWithFileName>
+      <FilenameWithoutPath>dfs.c</FilenameWithoutPath>
+    </File>
+    <File>
+      <GroupNumber>4</GroupNumber>
+      <FileNumber>30</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>..\..\components\dfs\src\dfs_fs.c</PathWithFileName>
+      <FilenameWithoutPath>dfs_fs.c</FilenameWithoutPath>
+    </File>
+    <File>
+      <GroupNumber>4</GroupNumber>
+      <FileNumber>31</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>..\..\components\dfs\src\dfs_file.c</PathWithFileName>
+      <FilenameWithoutPath>dfs_file.c</FilenameWithoutPath>
+    </File>
+    <File>
+      <GroupNumber>4</GroupNumber>
+      <FileNumber>32</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>..\..\components\dfs\src\dfs_posix.c</PathWithFileName>
+      <FilenameWithoutPath>dfs_posix.c</FilenameWithoutPath>
+    </File>
+    <File>
+      <GroupNumber>4</GroupNumber>
+      <FileNumber>33</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>..\..\components\dfs\filesystems\elmfat\dfs_elm.c</PathWithFileName>
+      <FilenameWithoutPath>dfs_elm.c</FilenameWithoutPath>
+    </File>
+    <File>
+      <GroupNumber>4</GroupNumber>
+      <FileNumber>34</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>..\..\components\dfs\filesystems\elmfat\ff.c</PathWithFileName>
+      <FilenameWithoutPath>ff.c</FilenameWithoutPath>
+    </File>
+  </Group>
+
+  <Group>
+    <GroupName>finsh</GroupName>
+    <tvExp>0</tvExp>
+    <tvExpOptDlg>0</tvExpOptDlg>
+    <cbSel>0</cbSel>
+    <File>
+      <GroupNumber>5</GroupNumber>
+      <FileNumber>35</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <Focus>0</Focus>
@@ -607,8 +744,8 @@
       <FilenameWithoutPath>cmd.c</FilenameWithoutPath>
     </File>
     <File>
-      <GroupNumber>4</GroupNumber>
-      <FileNumber>29</FileNumber>
+      <GroupNumber>5</GroupNumber>
+      <FileNumber>36</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <Focus>0</Focus>
@@ -621,8 +758,8 @@
       <FilenameWithoutPath>finsh_compiler.c</FilenameWithoutPath>
     </File>
     <File>
-      <GroupNumber>4</GroupNumber>
-      <FileNumber>30</FileNumber>
+      <GroupNumber>5</GroupNumber>
+      <FileNumber>37</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <Focus>0</Focus>
@@ -635,8 +772,8 @@
       <FilenameWithoutPath>finsh_error.c</FilenameWithoutPath>
     </File>
     <File>
-      <GroupNumber>4</GroupNumber>
-      <FileNumber>31</FileNumber>
+      <GroupNumber>5</GroupNumber>
+      <FileNumber>38</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <Focus>0</Focus>
@@ -649,8 +786,8 @@
       <FilenameWithoutPath>finsh_heap.c</FilenameWithoutPath>
     </File>
     <File>
-      <GroupNumber>4</GroupNumber>
-      <FileNumber>32</FileNumber>
+      <GroupNumber>5</GroupNumber>
+      <FileNumber>39</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <Focus>0</Focus>
@@ -663,8 +800,8 @@
       <FilenameWithoutPath>finsh_init.c</FilenameWithoutPath>
     </File>
     <File>
-      <GroupNumber>4</GroupNumber>
-      <FileNumber>33</FileNumber>
+      <GroupNumber>5</GroupNumber>
+      <FileNumber>40</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <Focus>0</Focus>
@@ -677,8 +814,8 @@
       <FilenameWithoutPath>finsh_node.c</FilenameWithoutPath>
     </File>
     <File>
-      <GroupNumber>4</GroupNumber>
-      <FileNumber>34</FileNumber>
+      <GroupNumber>5</GroupNumber>
+      <FileNumber>41</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <Focus>0</Focus>
@@ -691,8 +828,8 @@
       <FilenameWithoutPath>finsh_ops.c</FilenameWithoutPath>
     </File>
     <File>
-      <GroupNumber>4</GroupNumber>
-      <FileNumber>35</FileNumber>
+      <GroupNumber>5</GroupNumber>
+      <FileNumber>42</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <Focus>0</Focus>
@@ -705,8 +842,8 @@
       <FilenameWithoutPath>finsh_parser.c</FilenameWithoutPath>
     </File>
     <File>
-      <GroupNumber>4</GroupNumber>
-      <FileNumber>36</FileNumber>
+      <GroupNumber>5</GroupNumber>
+      <FileNumber>43</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <Focus>0</Focus>
@@ -719,8 +856,8 @@
       <FilenameWithoutPath>finsh_token.c</FilenameWithoutPath>
     </File>
     <File>
-      <GroupNumber>4</GroupNumber>
-      <FileNumber>37</FileNumber>
+      <GroupNumber>5</GroupNumber>
+      <FileNumber>44</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <Focus>0</Focus>
@@ -733,8 +870,8 @@
       <FilenameWithoutPath>finsh_var.c</FilenameWithoutPath>
     </File>
     <File>
-      <GroupNumber>4</GroupNumber>
-      <FileNumber>38</FileNumber>
+      <GroupNumber>5</GroupNumber>
+      <FileNumber>45</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <Focus>0</Focus>
@@ -747,8 +884,8 @@
       <FilenameWithoutPath>finsh_vm.c</FilenameWithoutPath>
     </File>
     <File>
-      <GroupNumber>4</GroupNumber>
-      <FileNumber>39</FileNumber>
+      <GroupNumber>5</GroupNumber>
+      <FileNumber>46</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <Focus>0</Focus>
@@ -761,8 +898,8 @@
       <FilenameWithoutPath>shell.c</FilenameWithoutPath>
     </File>
     <File>
-      <GroupNumber>4</GroupNumber>
-      <FileNumber>40</FileNumber>
+      <GroupNumber>5</GroupNumber>
+      <FileNumber>47</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <Focus>0</Focus>
@@ -782,8 +919,8 @@
     <tvExpOptDlg>0</tvExpOptDlg>
     <cbSel>0</cbSel>
     <File>
-      <GroupNumber>5</GroupNumber>
-      <FileNumber>41</FileNumber>
+      <GroupNumber>6</GroupNumber>
+      <FileNumber>48</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <Focus>0</Focus>
@@ -796,8 +933,8 @@
       <FilenameWithoutPath>api_lib.c</FilenameWithoutPath>
     </File>
     <File>
-      <GroupNumber>5</GroupNumber>
-      <FileNumber>42</FileNumber>
+      <GroupNumber>6</GroupNumber>
+      <FileNumber>49</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <Focus>0</Focus>
@@ -810,8 +947,8 @@
       <FilenameWithoutPath>api_msg.c</FilenameWithoutPath>
     </File>
     <File>
-      <GroupNumber>5</GroupNumber>
-      <FileNumber>43</FileNumber>
+      <GroupNumber>6</GroupNumber>
+      <FileNumber>50</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <Focus>0</Focus>
@@ -824,8 +961,8 @@
       <FilenameWithoutPath>err.c</FilenameWithoutPath>
     </File>
     <File>
-      <GroupNumber>5</GroupNumber>
-      <FileNumber>44</FileNumber>
+      <GroupNumber>6</GroupNumber>
+      <FileNumber>51</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <Focus>0</Focus>
@@ -838,8 +975,8 @@
       <FilenameWithoutPath>netbuf.c</FilenameWithoutPath>
     </File>
     <File>
-      <GroupNumber>5</GroupNumber>
-      <FileNumber>45</FileNumber>
+      <GroupNumber>6</GroupNumber>
+      <FileNumber>52</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <Focus>0</Focus>
@@ -852,8 +989,8 @@
       <FilenameWithoutPath>netdb.c</FilenameWithoutPath>
     </File>
     <File>
-      <GroupNumber>5</GroupNumber>
-      <FileNumber>46</FileNumber>
+      <GroupNumber>6</GroupNumber>
+      <FileNumber>53</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <Focus>0</Focus>
@@ -866,8 +1003,8 @@
       <FilenameWithoutPath>netifapi.c</FilenameWithoutPath>
     </File>
     <File>
-      <GroupNumber>5</GroupNumber>
-      <FileNumber>47</FileNumber>
+      <GroupNumber>6</GroupNumber>
+      <FileNumber>54</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <Focus>0</Focus>
@@ -880,22 +1017,22 @@
       <FilenameWithoutPath>sockets.c</FilenameWithoutPath>
     </File>
     <File>
-      <GroupNumber>5</GroupNumber>
-      <FileNumber>48</FileNumber>
+      <GroupNumber>6</GroupNumber>
+      <FileNumber>55</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <Focus>0</Focus>
       <ColumnNumber>0</ColumnNumber>
       <tvExpOptDlg>0</tvExpOptDlg>
-      <TopLine>0</TopLine>
-      <CurrentLine>0</CurrentLine>
+      <TopLine>534</TopLine>
+      <CurrentLine>546</CurrentLine>
       <bDave2>0</bDave2>
       <PathWithFileName>..\..\components\net\lwip\src\api\tcpip.c</PathWithFileName>
       <FilenameWithoutPath>tcpip.c</FilenameWithoutPath>
     </File>
     <File>
-      <GroupNumber>5</GroupNumber>
-      <FileNumber>49</FileNumber>
+      <GroupNumber>6</GroupNumber>
+      <FileNumber>56</FileNumber>
       <FileType>1</FileType>
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+      <TopLine>148</TopLine>
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       <bDave2>0</bDave2>
       <PathWithFileName>..\..\components\net\lwip\src\netif\slipif.c</PathWithFileName>
       <FilenameWithoutPath>slipif.c</FilenameWithoutPath>
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@@ -1293,22 +1430,22 @@
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+      <TopLine>257</TopLine>
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       <Focus>0</Focus>
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     <File>
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     <File>
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-      <FileNumber>93</FileNumber>
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       <Focus>0</Focus>
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       <Focus>0</Focus>
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       <FilenameWithoutPath>stm32f10x_usart.c</FilenameWithoutPath>
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     <File>
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-      <FileNumber>96</FileNumber>
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-      <FileNumber>101</FileNumber>
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diff --git a/bsp/stm32f107/project.uvproj b/bsp/stm32f107/project.uvproj
index f514b87f97..bf5f6cedae 100644
--- a/bsp/stm32f107/project.uvproj
+++ b/bsp/stm32f107/project.uvproj
@@ -163,7 +163,7 @@
             <DriverSelection>4099</DriverSelection>
           </Flash1>
           <Flash2>Segger\JL2CM3.dll</Flash2>
-          <Flash3>"" ()</Flash3>
+          <Flash3></Flash3>
           <Flash4></Flash4>
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         <TargetArmAds>
@@ -346,7 +346,7 @@
               <MiscControls></MiscControls>
               <Define>STM32F10X_CL, USE_STDPERIPH_DRIVER</Define>
               <Undefine></Undefine>
-              <IncludePath>Libraries\STM32F10x_StdPeriph_Driver\inc;..\..\components\net\lwip\src\arch\include;..\..\components\finsh;..\..\components\net\lwip\src\include;.;..\..\components\net\lwip\src\include\ipv4;..\..\include;Libraries\CMSIS\CM3\CoreSupport;..\..\components\net\lwip\src;..\..\libcpu\arm\common;..\..\libcpu\arm\stm32;..\..\components\net\lwip\src\include\netif;Libraries\CMSIS\CM3\DeviceSupport\ST\STM32F10x</IncludePath>
+              <IncludePath>Libraries\STM32F10x_StdPeriph_Driver\inc;Libraries\CMSIS\CM3\CoreSupport;..\..\components\dfs;..\..\components\finsh;..\..\components\net\lwip\src\include;.;..\..\components\net\lwip\src\include\ipv4;..\..\include;..\..\components\net\lwip\src\arch\include;..\..\components\dfs\include;..\..\components\net\lwip\src;..\..\libcpu\arm\common;..\..\libcpu\arm\stm32;..\..\components\net\lwip\src\include\netif;Libraries\CMSIS\CM3\DeviceSupport\ST\STM32F10x</IncludePath>
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@@ -376,7 +376,7 @@
             <ScatterFile></ScatterFile>
             <IncludeLibs></IncludeLibs>
             <IncludeLibsPath></IncludeLibsPath>
-            <Misc>--keep __fsym_* --keep __vsym_*</Misc>
+            <Misc> --keep __fsym_* --keep __vsym_* </Misc>
             <LinkerInputFile></LinkerInputFile>
             <DisabledWarnings></DisabledWarnings>
           </LDads>
@@ -421,6 +421,11 @@
               <FileType>1</FileType>
               <FilePath>.\stm32_eth.c</FilePath>
             </File>
+            <File>
+              <FileName>msd.c</FileName>
+              <FileType>1</FileType>
+              <FilePath>.\msd.c</FilePath>
+            </File>
           </Files>
         </Group>
         <Group>
@@ -534,6 +539,41 @@
           </Files>
         </Group>
         <Group>
+          <GroupName>Filesystem</GroupName>
+          <Files>
+            <File>
+              <FileName>dfs.c</FileName>
+              <FileType>1</FileType>
+              <FilePath>..\..\components\dfs\src\dfs.c</FilePath>
+            </File>
+            <File>
+              <FileName>dfs_fs.c</FileName>
+              <FileType>1</FileType>
+              <FilePath>..\..\components\dfs\src\dfs_fs.c</FilePath>
+            </File>
+            <File>
+              <FileName>dfs_file.c</FileName>
+              <FileType>1</FileType>
+              <FilePath>..\..\components\dfs\src\dfs_file.c</FilePath>
+            </File>
+            <File>
+              <FileName>dfs_posix.c</FileName>
+              <FileType>1</FileType>
+              <FilePath>..\..\components\dfs\src\dfs_posix.c</FilePath>
+            </File>
+            <File>
+              <FileName>dfs_elm.c</FileName>
+              <FileType>1</FileType>
+              <FilePath>..\..\components\dfs\filesystems\elmfat\dfs_elm.c</FilePath>
+            </File>
+            <File>
+              <FileName>ff.c</FileName>
+              <FileType>1</FileType>
+              <FilePath>..\..\components\dfs\filesystems\elmfat\ff.c</FilePath>
+            </File>
+          </Files>
+        </Group>
+        <Group>
           <GroupName>finsh</GroupName>
           <Files>
             <File>
diff --git a/bsp/stm32f107/rtconfig.h b/bsp/stm32f107/rtconfig.h
index e0a68d1c36..26cbe2271b 100644
--- a/bsp/stm32f107/rtconfig.h
+++ b/bsp/stm32f107/rtconfig.h
@@ -73,7 +73,7 @@
 #define FINSH_USING_DESCRIPTION

 

 /* SECTION: device filesystem */

-/* #define RT_USING_DFS */

+#define RT_USING_DFS

 #define RT_USING_DFS_ELMFAT

 #define RT_DFS_ELM_WORD_ACCESS

 /* Reentrancy (thread safe) of the FatFs module.  */