add fatfs in demo

6 files changed, 188 insertions, 54 deletions

diff --git a/demo/stm32/usb_host/stm32f429igt6/Core/Inc/usb_config.h b/demo/stm32/usb_host/stm32f429igt6/Core/Inc/usb_config.h
index c36ee8e9..9a428ac1 100644
--- a/demo/stm32/usb_host/stm32f429igt6/Core/Inc/usb_config.h
+++ b/demo/stm32/usb_host/stm32f429igt6/Core/Inc/usb_config.h
@@ -38,9 +38,23 @@
 #define CONFIG_USBHOST_PSC_PRIO 4
 #endif
 #ifndef CONFIG_USBHOST_PSC_STACKSIZE
-#define CONFIG_USBHOST_PSC_STACKSIZE 2048
+#define CONFIG_USBHOST_PSC_STACKSIZE 4096
+#endif
+
+#ifndef CONFIG_USBHOST_DEV_NAMELEN
+#define CONFIG_USBHOST_DEV_NAMELEN 16
 #endif
 
 #define CONFIG_USBHOST_ASYNCH
+//#define CONFIG_USBHOST_GET_STRING_DESC
+
+/* EHCI Configuration */
+#define CONFIG_USB_EHCI_HCCR_BASE (0x20072000)
+#define CONFIG_USB_EHCI_HCOR_BASE (0x20072000 + 0x10)
+#define CONFIG_USB_EHCI_QH_NUM    (10)
+#define CONFIG_USB_EHCI_QTD_NUM   (10)
+// #define CONFIG_USB_EHCI_INFO_ENABLE
+// #define CONFIG_USB_ECHI_HCOR_RESERVED
+// #define CONFIG_USB_EHCI_CONFIGFLAG
 
 #endif
\ No newline at end of file
diff --git a/demo/stm32/usb_host/stm32f429igt6/MDK-ARM/stm32f429igt6.uvoptx b/demo/stm32/usb_host/stm32f429igt6/MDK-ARM/stm32f429igt6.uvoptx
index ccc628ce..e62fcb1f 100644
--- a/demo/stm32/usb_host/stm32f429igt6/MDK-ARM/stm32f429igt6.uvoptx
+++ b/demo/stm32/usb_host/stm32f429igt6/MDK-ARM/stm32f429igt6.uvoptx
@@ -294,7 +294,7 @@
 
   <Group>
     <GroupName>Application/User/Core</GroupName>
-    <tvExp>1</tvExp>
+    <tvExp>0</tvExp>
     <tvExpOptDlg>0</tvExpOptDlg>
     <cbSel>0</cbSel>
     <RteFlg>0</RteFlg>
@@ -346,17 +346,29 @@
       <RteFlg>0</RteFlg>
       <bShared>0</bShared>
     </File>
+    <File>
+      <GroupNumber>2</GroupNumber>
+      <FileNumber>6</FileNumber>
+      <FileType>1</FileType>
+      <tvExp>0</tvExp>
+      <tvExpOptDlg>0</tvExpOptDlg>
+      <bDave2>0</bDave2>
+      <PathWithFileName>..\..\..\..\usb_host.c</PathWithFileName>
+      <FilenameWithoutPath>usb_host.c</FilenameWithoutPath>
+      <RteFlg>0</RteFlg>
+      <bShared>0</bShared>
+    </File>
   </Group>
 
   <Group>
     <GroupName>Drivers/STM32F4xx_HAL_Driver</GroupName>
-    <tvExp>1</tvExp>
+    <tvExp>0</tvExp>
     <tvExpOptDlg>0</tvExpOptDlg>
     <cbSel>0</cbSel>
     <RteFlg>0</RteFlg>
     <File>
       <GroupNumber>3</GroupNumber>
-      <FileNumber>6</FileNumber>
+      <FileNumber>7</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
@@ -368,7 +380,7 @@
     </File>
     <File>
       <GroupNumber>3</GroupNumber>
-      <FileNumber>7</FileNumber>
+      <FileNumber>8</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
@@ -380,7 +392,7 @@
     </File>
     <File>
       <GroupNumber>3</GroupNumber>
-      <FileNumber>8</FileNumber>
+      <FileNumber>9</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
@@ -392,7 +404,7 @@
     </File>
     <File>
       <GroupNumber>3</GroupNumber>
-      <FileNumber>9</FileNumber>
+      <FileNumber>10</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
@@ -404,7 +416,7 @@
     </File>
     <File>
       <GroupNumber>3</GroupNumber>
-      <FileNumber>10</FileNumber>
+      <FileNumber>11</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
@@ -416,7 +428,7 @@
     </File>
     <File>
       <GroupNumber>3</GroupNumber>
-      <FileNumber>11</FileNumber>
+      <FileNumber>12</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
@@ -428,7 +440,7 @@
     </File>
     <File>
       <GroupNumber>3</GroupNumber>
-      <FileNumber>12</FileNumber>
+      <FileNumber>13</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
@@ -440,7 +452,7 @@
     </File>
     <File>
       <GroupNumber>3</GroupNumber>
-      <FileNumber>13</FileNumber>
+      <FileNumber>14</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
@@ -452,7 +464,7 @@
     </File>
     <File>
       <GroupNumber>3</GroupNumber>
-      <FileNumber>14</FileNumber>
+      <FileNumber>15</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
@@ -464,7 +476,7 @@
     </File>
     <File>
       <GroupNumber>3</GroupNumber>
-      <FileNumber>15</FileNumber>
+      <FileNumber>16</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
@@ -476,7 +488,7 @@
     </File>
     <File>
       <GroupNumber>3</GroupNumber>
-      <FileNumber>16</FileNumber>
+      <FileNumber>17</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
@@ -488,7 +500,7 @@
     </File>
     <File>
       <GroupNumber>3</GroupNumber>
-      <FileNumber>17</FileNumber>
+      <FileNumber>18</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
@@ -500,7 +512,7 @@
     </File>
     <File>
       <GroupNumber>3</GroupNumber>
-      <FileNumber>18</FileNumber>
+      <FileNumber>19</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
@@ -512,7 +524,7 @@
     </File>
     <File>
       <GroupNumber>3</GroupNumber>
-      <FileNumber>19</FileNumber>
+      <FileNumber>20</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
@@ -524,7 +536,7 @@
     </File>
     <File>
       <GroupNumber>3</GroupNumber>
-      <FileNumber>20</FileNumber>
+      <FileNumber>21</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
@@ -536,7 +548,7 @@
     </File>
     <File>
       <GroupNumber>3</GroupNumber>
-      <FileNumber>21</FileNumber>
+      <FileNumber>22</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
@@ -548,7 +560,7 @@
     </File>
     <File>
       <GroupNumber>3</GroupNumber>
-      <FileNumber>22</FileNumber>
+      <FileNumber>23</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
@@ -560,7 +572,7 @@
     </File>
     <File>
       <GroupNumber>3</GroupNumber>
-      <FileNumber>23</FileNumber>
+      <FileNumber>24</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
@@ -580,7 +592,7 @@
     <RteFlg>0</RteFlg>
     <File>
       <GroupNumber>4</GroupNumber>
-      <FileNumber>24</FileNumber>
+      <FileNumber>25</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
@@ -594,13 +606,13 @@
 
   <Group>
     <GroupName>FreeRTOS</GroupName>
-    <tvExp>1</tvExp>
+    <tvExp>0</tvExp>
     <tvExpOptDlg>0</tvExpOptDlg>
     <cbSel>0</cbSel>
     <RteFlg>0</RteFlg>
     <File>
       <GroupNumber>5</GroupNumber>
-      <FileNumber>25</FileNumber>
+      <FileNumber>26</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
@@ -612,7 +624,7 @@
     </File>
     <File>
       <GroupNumber>5</GroupNumber>
-      <FileNumber>26</FileNumber>
+      <FileNumber>27</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
@@ -624,7 +636,7 @@
     </File>
     <File>
       <GroupNumber>5</GroupNumber>
-      <FileNumber>27</FileNumber>
+      <FileNumber>28</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
@@ -636,7 +648,7 @@
     </File>
     <File>
       <GroupNumber>5</GroupNumber>
-      <FileNumber>28</FileNumber>
+      <FileNumber>29</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
@@ -648,7 +660,7 @@
     </File>
     <File>
       <GroupNumber>5</GroupNumber>
-      <FileNumber>29</FileNumber>
+      <FileNumber>30</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
@@ -660,7 +672,7 @@
     </File>
     <File>
       <GroupNumber>5</GroupNumber>
-      <FileNumber>30</FileNumber>
+      <FileNumber>31</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
@@ -672,7 +684,7 @@
     </File>
     <File>
       <GroupNumber>5</GroupNumber>
-      <FileNumber>31</FileNumber>
+      <FileNumber>32</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
@@ -684,7 +696,7 @@
     </File>
     <File>
       <GroupNumber>5</GroupNumber>
-      <FileNumber>32</FileNumber>
+      <FileNumber>33</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
@@ -697,14 +709,14 @@
   </Group>
 
   <Group>
-    <GroupName>usb_stack</GroupName>
-    <tvExp>1</tvExp>
+    <GroupName>CherryUSB</GroupName>
+    <tvExp>0</tvExp>
     <tvExpOptDlg>0</tvExpOptDlg>
     <cbSel>0</cbSel>
     <RteFlg>0</RteFlg>
     <File>
       <GroupNumber>6</GroupNumber>
-      <FileNumber>33</FileNumber>
+      <FileNumber>34</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
@@ -716,7 +728,7 @@
     </File>
     <File>
       <GroupNumber>6</GroupNumber>
-      <FileNumber>34</FileNumber>
+      <FileNumber>35</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
@@ -728,7 +740,7 @@
     </File>
     <File>
       <GroupNumber>6</GroupNumber>
-      <FileNumber>35</FileNumber>
+      <FileNumber>36</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
@@ -740,7 +752,7 @@
     </File>
     <File>
       <GroupNumber>6</GroupNumber>
-      <FileNumber>36</FileNumber>
+      <FileNumber>37</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
@@ -752,7 +764,7 @@
     </File>
     <File>
       <GroupNumber>6</GroupNumber>
-      <FileNumber>37</FileNumber>
+      <FileNumber>38</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
@@ -764,7 +776,7 @@
     </File>
     <File>
       <GroupNumber>6</GroupNumber>
-      <FileNumber>38</FileNumber>
+      <FileNumber>39</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
@@ -776,7 +788,7 @@
     </File>
     <File>
       <GroupNumber>6</GroupNumber>
-      <FileNumber>39</FileNumber>
+      <FileNumber>40</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
@@ -788,7 +800,7 @@
     </File>
     <File>
       <GroupNumber>6</GroupNumber>
-      <FileNumber>40</FileNumber>
+      <FileNumber>41</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
@@ -801,6 +813,74 @@
   </Group>
 
   <Group>
+    <GroupName>fatfs</GroupName>
+    <tvExp>0</tvExp>
+    <tvExpOptDlg>0</tvExpOptDlg>
+    <cbSel>0</cbSel>
+    <RteFlg>0</RteFlg>
+    <File>
+      <GroupNumber>7</GroupNumber>
+      <FileNumber>42</FileNumber>
+      <FileType>1</FileType>
+      <tvExp>0</tvExp>
+      <tvExpOptDlg>0</tvExpOptDlg>
+      <bDave2>0</bDave2>
+      <PathWithFileName>..\..\..\..\..\third_party\fatfs-0.14\source\diskio.c</PathWithFileName>
+      <FilenameWithoutPath>diskio.c</FilenameWithoutPath>
+      <RteFlg>0</RteFlg>
+      <bShared>0</bShared>
+    </File>
+    <File>
+      <GroupNumber>7</GroupNumber>
+      <FileNumber>43</FileNumber>
+      <FileType>1</FileType>
+      <tvExp>0</tvExp>
+      <tvExpOptDlg>0</tvExpOptDlg>
+      <bDave2>0</bDave2>
+      <PathWithFileName>..\..\..\..\..\third_party\fatfs-0.14\source\ff.c</PathWithFileName>
+      <FilenameWithoutPath>ff.c</FilenameWithoutPath>
+      <RteFlg>0</RteFlg>
+      <bShared>0</bShared>
+    </File>
+    <File>
+      <GroupNumber>7</GroupNumber>
+      <FileNumber>44</FileNumber>
+      <FileType>1</FileType>
+      <tvExp>0</tvExp>
+      <tvExpOptDlg>0</tvExpOptDlg>
+      <bDave2>0</bDave2>
+      <PathWithFileName>..\..\..\..\..\third_party\fatfs-0.14\source\ffsystem.c</PathWithFileName>
+      <FilenameWithoutPath>ffsystem.c</FilenameWithoutPath>
+      <RteFlg>0</RteFlg>
+      <bShared>0</bShared>
+    </File>
+    <File>
+      <GroupNumber>7</GroupNumber>
+      <FileNumber>45</FileNumber>
+      <FileType>1</FileType>
+      <tvExp>0</tvExp>
+      <tvExpOptDlg>0</tvExpOptDlg>
+      <bDave2>0</bDave2>
+      <PathWithFileName>..\..\..\..\..\third_party\fatfs-0.14\source\ffunicode.c</PathWithFileName>
+      <FilenameWithoutPath>ffunicode.c</FilenameWithoutPath>
+      <RteFlg>0</RteFlg>
+      <bShared>0</bShared>
+    </File>
+    <File>
+      <GroupNumber>7</GroupNumber>
+      <FileNumber>46</FileNumber>
+      <FileType>1</FileType>
+      <tvExp>0</tvExp>
+      <tvExpOptDlg>0</tvExpOptDlg>
+      <bDave2>0</bDave2>
+      <PathWithFileName>..\..\..\..\..\third_party\fatfs-0.14\source\port\fatfs_usbh.c</PathWithFileName>
+      <FilenameWithoutPath>fatfs_usbh.c</FilenameWithoutPath>
+      <RteFlg>0</RteFlg>
+      <bShared>0</bShared>
+    </File>
+  </Group>
+
+  <Group>
     <GroupName>::CMSIS</GroupName>
     <tvExp>0</tvExp>
     <tvExpOptDlg>0</tvExpOptDlg>
diff --git a/demo/stm32/usb_host/stm32f429igt6/MDK-ARM/stm32f429igt6.uvprojx b/demo/stm32/usb_host/stm32f429igt6/MDK-ARM/stm32f429igt6.uvprojx
index ffd30c43..b3a47206 100644
--- a/demo/stm32/usb_host/stm32f429igt6/MDK-ARM/stm32f429igt6.uvprojx
+++ b/demo/stm32/usb_host/stm32f429igt6/MDK-ARM/stm32f429igt6.uvprojx
@@ -340,7 +340,7 @@
               <MiscControls></MiscControls>
               <Define>USE_HAL_DRIVER,STM32F429xx,CONFIG_USB_HS_IN_FULL,CONFIG_USBHOST_HUB</Define>
               <Undefine></Undefine>
-              <IncludePath>../Core/Inc;../Drivers/STM32F4xx_HAL_Driver/Inc;../Drivers/STM32F4xx_HAL_Driver/Inc/Legacy;../Drivers/CMSIS/Device/ST/STM32F4xx/Include;../Drivers/CMSIS/Include;..\..\..\..\..\common;..\..\..\..\..\core;..\..\..\..\..\class\cdc;..\..\..\..\..\class\hub;..\..\..\..\..\class\hid;..\..\..\..\..\class\msc;..\..\..\..\..\osal;..\..\..\..\..\third_party\FreeRTOS-10.4\include;..\..\..\..\..\third_party\FreeRTOS-10.4\portable\GCC\ARM_CM4F</IncludePath>
+              <IncludePath>../Core/Inc;../Drivers/STM32F4xx_HAL_Driver/Inc;../Drivers/STM32F4xx_HAL_Driver/Inc/Legacy;../Drivers/CMSIS/Device/ST/STM32F4xx/Include;../Drivers/CMSIS/Include;..\..\..\..\..\common;..\..\..\..\..\core;..\..\..\..\..\class\cdc;..\..\..\..\..\class\hub;..\..\..\..\..\class\hid;..\..\..\..\..\class\msc;..\..\..\..\..\osal;..\..\..\..\..\third_party\FreeRTOS-10.4\include;..\..\..\..\..\third_party\FreeRTOS-10.4\portable\GCC\ARM_CM4F;..\..\..\..\..\third_party\fatfs-0.14\source</IncludePath>
             </VariousControls>
           </Cads>
           <Aads>
@@ -414,6 +414,11 @@
               <FileType>1</FileType>
               <FilePath>../Core/Src/stm32f4xx_hal_msp.c</FilePath>
             </File>
+            <File>
+              <FileName>usb_host.c</FileName>
+              <FileType>1</FileType>
+              <FilePath>..\..\..\..\usb_host.c</FilePath>
+            </File>
           </Files>
         </Group>
         <Group>
@@ -567,7 +572,7 @@
           </Files>
         </Group>
         <Group>
-          <GroupName>usb_stack</GroupName>
+          <GroupName>CherryUSB</GroupName>
           <Files>
             <File>
               <FileName>usbh_core.c</FileName>
@@ -612,6 +617,36 @@
           </Files>
         </Group>
         <Group>
+          <GroupName>fatfs</GroupName>
+          <Files>
+            <File>
+              <FileName>diskio.c</FileName>
+              <FileType>1</FileType>
+              <FilePath>..\..\..\..\..\third_party\fatfs-0.14\source\diskio.c</FilePath>
+            </File>
+            <File>
+              <FileName>ff.c</FileName>
+              <FileType>1</FileType>
+              <FilePath>..\..\..\..\..\third_party\fatfs-0.14\source\ff.c</FilePath>
+            </File>
+            <File>
+              <FileName>ffsystem.c</FileName>
+              <FileType>1</FileType>
+              <FilePath>..\..\..\..\..\third_party\fatfs-0.14\source\ffsystem.c</FilePath>
+            </File>
+            <File>
+              <FileName>ffunicode.c</FileName>
+              <FileType>1</FileType>
+              <FilePath>..\..\..\..\..\third_party\fatfs-0.14\source\ffunicode.c</FilePath>
+            </File>
+            <File>
+              <FileName>fatfs_usbh.c</FileName>
+              <FileType>1</FileType>
+              <FilePath>..\..\..\..\..\third_party\fatfs-0.14\source\port\fatfs_usbh.c</FilePath>
+            </File>
+          </Files>
+        </Group>
+        <Group>
           <GroupName>::CMSIS</GroupName>
         </Group>
       </Groups>
diff --git a/third_party/fatfs-0.14/source/diskio.c b/third_party/fatfs-0.14/source/diskio.c
index 179e387a..0d0b28fa 100644
--- a/third_party/fatfs-0.14/source/diskio.c
+++ b/third_party/fatfs-0.14/source/diskio.c
@@ -15,7 +15,11 @@
 #define DEV_MMC		1	/* Example: Map MMC/SD card to physical drive 1 */
 #define DEV_USB		2	/* Example: Map USB MSD to physical drive 2 */
 
-
+int USB_disk_status(void);
+int USB_disk_initialize(void);
+int USB_disk_read(BYTE *buff, LBA_t sector, UINT count);
+int USB_disk_write(const BYTE *buff, LBA_t sector, UINT count);
+int USB_disk_ioctl(BYTE cmd, void *buff);
 /*-----------------------------------------------------------------------*/
 /* Get Drive Status                                                      */
 /*-----------------------------------------------------------------------*/
@@ -29,14 +33,14 @@ DSTATUS disk_status (
 
 	switch (pdrv) {
 	case DEV_RAM :
-		result = RAM_disk_status();
+		//result = RAM_disk_status();
 
 		// translate the reslut code here
 
 		return stat;
 
 	case DEV_MMC :
-		result = MMC_disk_status();
+		//result = MMC_disk_status();
 
 		// translate the reslut code here
 
@@ -67,14 +71,14 @@ DSTATUS disk_initialize (
 
 	switch (pdrv) {
 	case DEV_RAM :
-		result = RAM_disk_initialize();
+		//result = RAM_disk_initialize();
 
 		// translate the reslut code here
 
 		return stat;
 
 	case DEV_MMC :
-		result = MMC_disk_initialize();
+		//result = MMC_disk_initialize();
 
 		// translate the reslut code here
 
@@ -110,7 +114,7 @@ DRESULT disk_read (
 	case DEV_RAM :
 		// translate the arguments here
 
-		result = RAM_disk_read(buff, sector, count);
+		//result = RAM_disk_read(buff, sector, count);
 
 		// translate the reslut code here
 
@@ -119,7 +123,7 @@ DRESULT disk_read (
 	case DEV_MMC :
 		// translate the arguments here
 
-		result = MMC_disk_read(buff, sector, count);
+		//result = MMC_disk_read(buff, sector, count);
 
 		// translate the reslut code here
 
@@ -160,7 +164,7 @@ DRESULT disk_write (
 	case DEV_RAM :
 		// translate the arguments here
 
-		result = RAM_disk_write(buff, sector, count);
+		//result = RAM_disk_write(buff, sector, count);
 
 		// translate the reslut code here
 
@@ -169,7 +173,7 @@ DRESULT disk_write (
 	case DEV_MMC :
 		// translate the arguments here
 
-		result = MMC_disk_write(buff, sector, count);
+		//result = MMC_disk_write(buff, sector, count);
 
 		// translate the reslut code here
 
@@ -220,7 +224,7 @@ DRESULT disk_ioctl (
 	case DEV_USB :
 
 		// Process of the command the USB drive
-
+        USB_disk_ioctl(cmd,buff);
 		return res;
 	}
 
diff --git a/third_party/fatfs-0.14/source/ffconf.h b/third_party/fatfs-0.14/source/ffconf.h
index ca17485e..16c12748 100644
--- a/third_party/fatfs-0.14/source/ffconf.h
+++ b/third_party/fatfs-0.14/source/ffconf.h
@@ -237,7 +237,7 @@
 /  Note that enabling exFAT discards ANSI C (C89) compatibility. */
 
 
-#define FF_FS_NORTC		0
+#define FF_FS_NORTC		1
 #define FF_NORTC_MON	1
 #define FF_NORTC_MDAY	1
 #define FF_NORTC_YEAR	2020
diff --git a/third_party/fatfs-0.14/source/port/fatfs_usbh.c b/third_party/fatfs-0.14/source/port/fatfs_usbh.c
index b3104b6e..f8d521ae 100644
--- a/third_party/fatfs-0.14/source/port/fatfs_usbh.c
+++ b/third_party/fatfs-0.14/source/port/fatfs_usbh.c
@@ -1,3 +1,4 @@
+#include "ff.h"
 #include "diskio.h"
 #include "usbh_core.h"
 #include "usbh_msc.h"