From c1f3ba20b6959401b4e259c13c80d9fbd4a50f2c Mon Sep 17 00:00:00 2001
From: patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3>
Date: Thu, 26 Jan 2012 19:37:34 +0000
Subject: More USB composite device logic

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@4340 42af7a65-404d-4744-a932-0658087f49c3
---
 nuttx/Documentation/NuttX.html             |   4 +-
 nuttx/Documentation/NuttxPortingGuide.html |  42 +++++
 nuttx/configs/README.txt                   |  23 +++
 nuttx/drivers/usbdev/cdcacm.c              |   1 +
 nuttx/drivers/usbdev/composite.c           |  72 +++++++-
 nuttx/drivers/usbdev/composite.h           |  28 +---
 nuttx/drivers/usbdev/usbmsc.c              |   1 +
 nuttx/include/nuttx/usb/cdcacm.h           |  22 +++
 nuttx/include/nuttx/usb/composite.h        | 186 +++++++++++++++++++++
 nuttx/include/nuttx/usb/pl2303.h           |  91 ++++++++++
 nuttx/include/nuttx/usb/usbdev.h           | 157 +-----------------
 nuttx/include/nuttx/usb/usbhost.h          |   8 +-
 nuttx/include/nuttx/usb/usbmsc.h           | 257 +++++++++++++++++++++++++++++
 13 files changed, 702 insertions(+), 190 deletions(-)
 create mode 100644 nuttx/include/nuttx/usb/composite.h
 create mode 100644 nuttx/include/nuttx/usb/pl2303.h
 create mode 100644 nuttx/include/nuttx/usb/usbmsc.h

(limited to 'nuttx')

diff --git a/nuttx/Documentation/NuttX.html b/nuttx/Documentation/NuttX.html
index 86ee51a75..bf0647b25 100644
--- a/nuttx/Documentation/NuttX.html
+++ b/nuttx/Documentation/NuttX.html
@@ -8,7 +8,7 @@
   <tr align="center" bgcolor="#e4e4e4">
     <td>
       <h1><big><font color="#3c34ec"><i>NuttX RTOS</i></font></big></h1>
-      <p>Last Updated: January 15, 2012</p>
+      <p>Last Updated: January 16, 2012</p>
     </td>
   </tr>
 </table>
@@ -644,7 +644,7 @@
   <td><br></td>
   <td>
     <p>
-      <li>Device-dependent USB class drivers available for USB serial and for USB mass storage.</li>
+      <li>Device-dependent USB class drivers available for USB serial (CDC/ACM and a PL2303 emulation), for USB mass storage, and for a composite CDC/ACM and mass storage device.</li>
     </p>
 </tr>
 <tr>
diff --git a/nuttx/Documentation/NuttxPortingGuide.html b/nuttx/Documentation/NuttxPortingGuide.html
index 676e6a2e8..941599b1a 100644
--- a/nuttx/Documentation/NuttxPortingGuide.html
+++ b/nuttx/Documentation/NuttxPortingGuide.html
@@ -5026,6 +5026,48 @@ build
   </li>
 </ul>
 
+<h3>USB Composite Device Configuration</h3>
+<ul>
+  <li>
+    <code>CONFIG_USBDEV_COMPOSITE</code>:
+    Enables USB composite device support
+  </li>
+  <li>
+    <code>CONFIG_CDCACM_COMPOSITE</code>:
+    Configure the CDC serial driver as part of a composite driver
+    (only if CONFIG_USBDEV_COMPOSITE is also defined)
+  </li>
+  <li>
+    <code>CONFIG_COMPOSITE_COMPOSITE</code>:
+    Configure the mass storage driver as part of a composite driver
+    (only if CONFIG_USBDEV_COMPOSITE is also defined)
+  </li>
+  <li>
+    <code>CONFIG_COMPOSITE_EP0MAXPACKET</code>:
+    Max packet size for endpoint 0
+  </li>
+  <li>
+    <code>CONFIG_COMPOSITE_VENDORID</code> and <code>CONFIG_COMPOSITE_VENDORSTR</code>:
+    The vendor ID code/string
+  </li>
+  <li>
+    <code>CONFIG_COMPOSITE_PRODUCTID</code> and <code>CONFIG_COMPOSITE_PRODUCTSTR</code>:
+    The product ID code/string
+  </li>
+  <li>
+    <code>CONFIG_COMPOSITE_SERIALSTR</code>:
+    Device serial number string
+  </li>
+  <li>
+    <code>CONFIG_COMPOSITE_CONFIGSTR</code>:
+    Configuration string
+  </li>
+  <li>
+    <code>CONFIG_COMPOSITE_VERSIONNO</code>:
+    Interface version number.
+  </li>
+</ul>
+
 <h2>USB Host-Side Support</h2>
 <h3>USB Host Controller Driver</h3>
 <ul>
diff --git a/nuttx/configs/README.txt b/nuttx/configs/README.txt
index 12db2e5ef..76790e169 100644
--- a/nuttx/configs/README.txt
+++ b/nuttx/configs/README.txt
@@ -1075,6 +1075,29 @@ defconfig -- This is a configuration file similar to the Linux
 		CONFIG_USBMSC_REMOVABLE
 		  Select if the media is removable
 
+	USB Composite Device Configuration
+
+		CONFIG_USBDEV_COMPOSITE
+		  Enables USB composite device support
+		CONFIG_CDCACM_COMPOSITE
+		  Configure the CDC serial driver as part of a composite driver
+		  (only if CONFIG_USBDEV_COMPOSITE is also defined)
+		CONFIG_COMPOSITE_COMPOSITE
+		  Configure the mass storage driver as part of a composite driver
+		  (only if CONFIG_USBDEV_COMPOSITE is also defined)
+		CONFIG_COMPOSITE_EP0MAXPACKET
+		  Max packet size for endpoint 0
+		CONFIG_COMPOSITE_VENDORID and CONFIG_COMPOSITE_VENDORSTR
+		  The vendor ID code/string
+		CONFIG_COMPOSITE_PRODUCTID and CONFIG_COMPOSITE_PRODUCTSTR
+		  The product ID code/string
+		CONFIG_COMPOSITE_SERIALSTR
+		  Device serial number string
+		CONFIG_COMPOSITE_CONFIGSTR
+		  Configuration string
+		CONFIG_COMPOSITE_VERSIONNO
+		  Interface version number.
+
 	Graphics related configuration settings
 
 		CONFIG_NX
diff --git a/nuttx/drivers/usbdev/cdcacm.c b/nuttx/drivers/usbdev/cdcacm.c
index 4023d2f2d..530572408 100644
--- a/nuttx/drivers/usbdev/cdcacm.c
+++ b/nuttx/drivers/usbdev/cdcacm.c
@@ -64,6 +64,7 @@
 #include "cdcacm.h"
 
 #ifdef CONFIG_USBMSC_COMPOSITE
+#  include <nuttx/composite.h>
 #  include "composite.h"
 #endif
 
diff --git a/nuttx/drivers/usbdev/composite.c b/nuttx/drivers/usbdev/composite.c
index c689f1b66..69313f821 100644
--- a/nuttx/drivers/usbdev/composite.c
+++ b/nuttx/drivers/usbdev/composite.c
@@ -743,18 +743,25 @@ static void composite_resume(FAR struct usbdevclass_driver_s *driver,
  * Name: composite_initialize
  *
  * Description:
- *   Register USB composite port (and USB composite console if so configured).
+ *   Register USB composite device as configured.  This function will call
+ *   board-specific implementations in order to obtain the class objects for
+ *   each of the members of the composite (see board_mscclassobject(),
+ *   board_cdcclassobjec(), ...) 
  *
  * Input Parameter:
- *   Device minor number.  E.g., minor 0 would correspond to /dev/ttyUSB0.
+ *   None
  *
  * Returned Value:
- *   Zero (OK) means that the driver was successfully registered.  On any
- *   failure, a negated errno value is retured.
+ *   A non-NULL "handle" is returned on success.  This handle may be used
+ *   later with composite_uninitialize() in order to removed the composite
+ *   device.  This handle is the (untyped) internal representation of the
+ *   the class driver instance.
+ *
+ *   NULL is returned on any failure.
  *
  ****************************************************************************/
 
-int composite_initialize(int minor)
+FAR void *composite_initialize(void)
 {
   FAR struct composite_alloc_s *alloc;
   FAR struct composite_dev_s *priv;
@@ -767,7 +774,7 @@ int composite_initialize(int minor)
   if (!alloc)
     {
       usbtrace(TRACE_CLSERROR(USBCOMPOSITE_TRACEERR_ALLOCDEVSTRUCT), 0);
-      return -ENOMEM;
+      return NULL;
     }
 
   /* Convenience pointers into the allocated blob */
@@ -814,11 +821,60 @@ int composite_initialize(int minor)
       goto errout_with_alloc;
     }
 
-  return OK;
+  return (FAR void *)priv;
 
 errout_with_alloc:
   kfree(alloc);
-  return ret;
+  return NULL;
+}
+
+/****************************************************************************
+ * Name: usbmsc_uninitialize
+ *
+ * Description:
+ *   Un-initialize the USB composite driver.  The handle is the USB composite
+ *   class' device object as was returned by composite_initialize().  This
+ *   function will call  board-specific implementations in order to free the
+ *   class objects for each of the members of the composite (see
+ *   board_mscuninitialize(), board_cdcuninitialize(), ...) 
+ *
+ * Input Parameters:
+ *   handle - The handle returned by a previous call to composite_initialize().
+ *
+ * Returned Value:
+ *   None
+ *
+ ***************************************************************************/
+
+void usbmsc_uninitialize(FAR void *handle)
+{
+  FAR struct composite_dev_s *priv = (FAR struct composite_dev_s *)handle;
+
+  DEBUGASSERT(priv != NULL);
+
+  /* Uninitialize each of the member classes */
+
+  if (priv->dev1)
+    {
+      DEV1_UNINITIALIZE(priv->dev1);
+      priv->dev1 = NULL;
+    }
+
+  if (priv->dev2)
+    {
+      DEV1_UNINITIALIZE(priv->dev2);
+      priv->dev2 = NULL;
+    }
+
+  /* Then unregister and destroy the composite class */
+
+  usbdev_unregister(&priv->drvr.drvr);
+
+  /* Free any resources used by the composite driver */
+
+  /* Then free the composite driver state structure itself */
+
+  kfree(priv);
 }
 
 /****************************************************************************
diff --git a/nuttx/drivers/usbdev/composite.h b/nuttx/drivers/usbdev/composite.h
index 4cd3ac606..2e8476500 100644
--- a/nuttx/drivers/usbdev/composite.h
+++ b/nuttx/drivers/usbdev/composite.h
@@ -63,15 +63,6 @@
  * Pre-processor Definitions
  ****************************************************************************/
 /* Configuration ************************************************************/
-
-#ifndef CONFIG_USBDEV_TRACE_NRECORDS
-#  define CONFIG_USBDEV_TRACE_NRECORDS 128
-#endif
-
-#ifndef CONFIG_USBDEV_TRACE_INITIALIDSET
-#  define CONFIG_USBDEV_TRACE_INITIALIDSET 0
-#endif
-
 /* Packet sizes */
 
 #ifndef CONFIG_COMPOSITE_EP0MAXPACKET
@@ -128,6 +119,7 @@
 #  define DEV1_IS_CDCACM   1
 #  define DEV1_MKCFGDESC      cdcacm_mkcfgdesc
 #  define DEV1_CLASSOBJECT    board_cdcclassobject
+#  define DEV1_UNINITIALIZE   board_cdcuninitialize
 #  define DEV1_NCONFIGS       CDCACM_NCONFIGS
 #  define DEV1_CONFIGID       CDCACM_CONFIGID
 #  define DEV1_FIRSTINTERFACE CONFIG_CDCACM_IFNOBASE
@@ -139,6 +131,7 @@
 #  define DEV1_IS_USBMSC     1
 #  define DEV1_MKCFGDESC      usbmsc_mkcfgdesc
 #  define DEV1_CLASSOBJECT    board_mscclassobject
+#  define DEV1_UNINITIALIZE   board_mscuninitialize
 #  define DEV1_NCONFIGS       USBMSC_NCONFIGS
 #  define DEV1_CONFIGID       USBMSC_CONFIGID
 #  define DEV1_FIRSTINTERFACE CONFIG_USBMSC_IFNOBASE
@@ -158,6 +151,7 @@
 #  define DEV2_IS_CDCACM 1
 #  define DEV2_MKCFGDESC      cdcacm_mkcfgdesc
 #  define DEV2_CLASSOBJECT    board_cdcclassobject
+#  define DEV2_UNINITIALIZE   board_cdcuninitialize
 #  define DEV2_NCONFIGS       CDCACM_NCONFIGS
 #  define DEV2_CONFIGID       CDCACM_CONFIGID
 #  define DEV2_FIRSTINTERFACE CONFIG_CDCACM_IFNOBASE
@@ -168,6 +162,7 @@
 #elif defined(CONFIG_CDCACM_COMPOSITE) && !defined(DEV1_IS_USBMSC)
 #  define DEV2_IS_USBMSC     1
 #  define DEV2_MKCFGDESC      usbmsc_mkcfgdesc
+#  define DEV1_UNINITIALIZE   board_mscuninitialize
 #  define DEV2_CLASSOBJECT    board_mscclassobject
 #  define DEV2_NCONFIGS       USBMSC_NCONFIGS
 #  define DEV2_CONFIGID       USBMSC_CONFIGID
@@ -252,21 +247,6 @@ extern const char g_compserialstr[];
  * Public Function Prototypes
  ****************************************************************************/
 
-/****************************************************************************
- * Name: composite_ep0submit
- *
- * Description:
- *   Members of the composite cannot send on EP0 directly because EP0 is
- *   is "owned" by the composite device.  Instead, when configured as members
- *   of a composite device, those classes should call this method so that
- *   the composite device can send on EP0 onbehalf of the class.
- *
- ****************************************************************************/
-
-int composite_ep0submit(FAR struct usbdevclass_driver_s *driver,
-                        FAR struct usbdev_s *dev,
-                        FAR struct usbdev_req_s *ctrlreq);
-
 /****************************************************************************
  * Name: composite_mkstrdesc
  *
diff --git a/nuttx/drivers/usbdev/usbmsc.c b/nuttx/drivers/usbdev/usbmsc.c
index 3efa1e3db..a264ab232 100644
--- a/nuttx/drivers/usbdev/usbmsc.c
+++ b/nuttx/drivers/usbdev/usbmsc.c
@@ -83,6 +83,7 @@
 #include "usbmsc.h"
 
 #ifdef CONFIG_USBMSC_COMPOSITE
+#  include <nuttx/composite.h>
 #  include "composite.h"
 #endif
 
diff --git a/nuttx/include/nuttx/usb/cdcacm.h b/nuttx/include/nuttx/usb/cdcacm.h
index 3ca6f52f1..7c0e260bb 100644
--- a/nuttx/include/nuttx/usb/cdcacm.h
+++ b/nuttx/include/nuttx/usb/cdcacm.h
@@ -312,6 +312,28 @@ typedef FAR void (*cdcacm_callback_t)(enum cdcacm_event_e event);
 EXTERN int board_cdcclassobject(FAR struct usbdevclass_driver_s **classdev);
 #endif
 
+/****************************************************************************
+ * Name: board_cdcuninitialize
+ *
+ * Description:
+ *   Un-initialize the USB serial class driver.  This is just an application-
+ *   specific wrapper aboutn cdcadm_unitialize() that is called form the composite
+ *   device logic.
+ *
+ * Input Parameters:
+ *   classdev - The class driver instrance previously give to the composite
+ *     driver by board_cdcclassobject().
+ *
+ * Returned Value:
+ *   None
+ *
+ ****************************************************************************/
+
+#if defined(CONFIG_USBMSC_COMPOSITE) && defined(CONFIG_USBMSC_COMPOSITE)
+struct usbdevclass_driver_s;
+EXTERN void board_cdcuninitialize(FAR struct usbdevclass_driver_s *classdev);
+#endif
+
 /****************************************************************************
  * Name: cdcacm_classobject
  *
diff --git a/nuttx/include/nuttx/usb/composite.h b/nuttx/include/nuttx/usb/composite.h
new file mode 100644
index 000000000..53bedc34f
--- /dev/null
+++ b/nuttx/include/nuttx/usb/composite.h
@@ -0,0 +1,186 @@
+/************************************************************************************
+ * include/nuttx/usb/composite.h
+ *
+ *   Copyright (C) 2008-2011 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name NuttX nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ****************************************************************************/
+
+#ifndef __NUTTX_USB_COMPOSITE_H
+#define __NUTTX_USB_COMPOSITE_H
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+
+#ifdef CONFIG_USBDEV_COMPOSITE
+
+/****************************************************************************
+ * Pre-processor Definitions
+ ****************************************************************************/
+/* Configuration ************************************************************/
+/* CONFIG_USBDEV_COMPOSITE
+ *   Enables USB composite device support
+ * CONFIG_CDCACM_COMPOSITE
+ *   Configure the CDC serial driver as part of a composite driver
+ *   (only if CONFIG_USBDEV_COMPOSITE is also defined)
+ * CONFIG_COMPOSITE_COMPOSITE
+ *   Configure the mass storage driver as part of a composite driver
+ *   (only if CONFIG_USBDEV_COMPOSITE is also defined)
+ * CONFIG_COMPOSITE_EP0MAXPACKET
+ *   Max packet size for endpoint 0
+ * CONFIG_COMPOSITE_VENDORID and CONFIG_COMPOSITE_VENDORSTR
+ *   The vendor ID code/string
+ * CONFIG_COMPOSITE_PRODUCTID and CONFIG_COMPOSITE_PRODUCTSTR
+ *   The product ID code/string
+ * CONFIG_COMPOSITE_SERIALSTR
+ *   Device serial number string
+ * CONFIG_COMPOSITE_CONFIGSTR
+ *   Configuration string
+ * CONFIG_COMPOSITE_VERSIONNO
+ *   Interface version number.
+ */
+
+/****************************************************************************
+ * Public Types
+ ****************************************************************************/
+
+/****************************************************************************
+ * Public Data
+ ****************************************************************************/
+
+#undef EXTERN
+#if defined(__cplusplus)
+#define EXTERN extern "C"
+extern "C" {
+#else
+#define EXTERN extern
+#endif
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: composite_initialize
+ *
+ * Description:
+ *   Register USB composite device as configured.  This function will call
+ *   board-specific implementations in order to obtain the class objects for
+ *   each of the members of the composite (see board_mscclassobject(),
+ *   board_cdcclassobjec(), ...) 
+ *
+ * Input Parameter:
+ *   None
+ *
+ * Returned Value:
+ *   A non-NULL "handle" is returned on success.  This handle may be used
+ *   later with composite_uninitialize() in order to removed the composite
+ *   device.  This handle is the (untyped) internal representation of the
+ *   the class driver instance.
+ *
+ *   NULL is returned on any failure.
+ *
+ ****************************************************************************/
+
+EXTERN FAR void *composite_initialize(void);
+
+/****************************************************************************
+ * Name: usbmsc_uninitialize
+ *
+ * Description:
+ *   Un-initialize the USB composite driver.  The handle is the USB composite
+ *   class' device object as was returned by composite_initialize().  This
+ *   function will call  board-specific implementations in order to free the
+ *   class objects for each of the members of the composite (see
+ *   board_mscuninitialize(), board_cdcuninitialize(), ...) 
+ *
+ * Input Parameters:
+ *   handle - The handle returned by a previous call to composite_initialize().
+ *
+ * Returned Value:
+ *   None
+ *
+ ***************************************************************************/
+
+EXTERN void usbmsc_uninitialize(FAR void *handle);
+
+/****************************************************************************
+ * Name: composite_initialize
+ *
+ * Description:
+ *   Register USB composite device as configured.  This function will call
+ *   board-specific implementations in order to obtain the class objects for
+ *   each of the members of the composite (see board_mscclassobject(),
+ *   board_cdcclassobjec(), ...) 
+ *
+ * Input Parameter:
+ *   None
+ *
+ * Returned Value:
+ *   A non-NULL "handle" is returned on success.  This handle may be used
+ *   later with composite_uninitialize() in order to removed the composite
+ *   device.  This handle is the (untyped) internal representation of the
+ *   the class driver instance.
+ *
+ *   NULL is returned on any failure.
+ *
+ ****************************************************************************/
+
+EXTERN FAR void *composite_initialize(void);
+
+/****************************************************************************
+ * Name: composite_ep0submit
+ *
+ * Description:
+ *   Members of the composite cannot send on EP0 directly because EP0 is
+ *   is "owned" by the composite device.  Instead, when configured as members
+ *   of a composite device, those classes should call this method so that
+ *   the composite device can send on EP0 onbehalf of the class.
+ *
+ ****************************************************************************/
+
+struct usbdevclass_driver_s;
+struct usbdev_s;
+struct usbdev_req_s;
+
+EXTERN int composite_ep0submit(FAR struct usbdevclass_driver_s *driver,
+                               FAR struct usbdev_s *dev,
+                               FAR struct usbdev_req_s *ctrlreq);
+
+#undef EXTERN
+#if defined(__cplusplus)
+}
+#endif
+
+#endif /* CONFIG_USBDEV_COMPOSITE */
+#endif /* __NUTTX_USB_COMPOSITE_H */
diff --git a/nuttx/include/nuttx/usb/pl2303.h b/nuttx/include/nuttx/usb/pl2303.h
new file mode 100644
index 000000000..4e755d10d
--- /dev/null
+++ b/nuttx/include/nuttx/usb/pl2303.h
@@ -0,0 +1,91 @@
+/************************************************************************************
+ * include/nuttx/usb/pl2303.h
+ *
+ *   Copyright (C) 2008-2010, 2012 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
+ *
+ * NOTE:  This interface was inspired by the Linux gadget interface by
+ * David Brownell. That work was very helpful in determining a usable
+ * partitioning of functionality between standard class drivers and various
+ * implementations of USB controller drivers.  This work, however, does
+ * not derive directly from that work and is licensed differently.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name NuttX nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ************************************************************************************/
+
+#ifndef _INCLUDE_NUTTX_USB_PL2303_H
+#define _INCLUDE_NUTTX_USB_PL2303_H
+
+/************************************************************************************
+ * Included Files
+ ************************************************************************************/
+
+#include <nuttx/config.h>
+
+/************************************************************************************
+ * Pre-processor Definitions
+ ************************************************************************************/
+
+/************************************************************************************
+ * Public Types
+ ************************************************************************************/
+
+ /************************************************************************************
+ * Public Data
+ ************************************************************************************/
+
+#undef EXTERN
+#if defined(__cplusplus)
+#  define EXTERN extern "C"
+extern "C"
+{
+#else
+#  define EXTERN extern
+#endif
+
+/************************************************************************************
+ * Public Functions
+ ************************************************************************************/
+
+/************************************************************************************
+ * Name: usbdev_serialinit
+ *
+ * Description:
+ *   Register PL2303 USB serial port (and USB serial console if so configured).
+ *
+ ************************************************************************************/
+
+EXTERN int usbdev_serialinitialize(int minor);
+
+#undef EXTERN
+#if defined(__cplusplus)
+}
+#endif
+
+#endif /* _INCLUDE_NUTTX_USB_PL2303_H */
diff --git a/nuttx/include/nuttx/usb/usbdev.h b/nuttx/include/nuttx/usb/usbdev.h
index a727573c3..b799272d3 100644
--- a/nuttx/include/nuttx/usb/usbdev.h
+++ b/nuttx/include/nuttx/usb/usbdev.h
@@ -52,6 +52,11 @@
 #include <stdint.h>
 #include <stdbool.h>
 
+#include <nuttx/usb/pl2303.h>
+#include <nuttx/usb/cdcacm.h>
+#include <nuttx/usb/usbmsc.h>
+#include <nuttx/usb/composite.h>
+
 /************************************************************************************
  * Pre-processor Definitions
  ************************************************************************************/
@@ -348,158 +353,6 @@ EXTERN int usbdev_register(FAR struct usbdevclass_driver_s *driver);
 
 EXTERN int usbdev_unregister(FAR struct usbdevclass_driver_s *driver);
 
-/****************************************************************************
- * Name: usbdev_serialinit
- *
- * Description:
- *   Register USB serial port (and USB serial console if so configured).
- *
- ****************************************************************************/
-
-EXTERN int usbdev_serialinitialize(int minor);
-
-/****************************************************************************
- * Name: board_mscclassobject
- *
- * Description:
- *   If the mass storage class driver is part of composite device, then
- *   its instantiation and configuration is a multi-step, board-specific,
- *   process (See comments for usbmsc_configure below).  In this case,
- *   board-specific logic must provide board_mscclassobject().
- *
- *   board_mscclassobject() is called from the composite driver.  It must
- *   encapsulate the instantiation and configuration of the mass storage
- *   class and the return the mass storage device's class driver instance
- *   to the composite dirver.
- *
- * Input Parameters:
- *   classdev - The location to return the mass storage class' device
- *     instance.
- *
- * Returned Value:
- *   0 on success; a negated errno on failure
- *
- ****************************************************************************/
-
-#if defined(CONFIG_USBDEV_COMPOSITE) && defined(CONFIG_USBMSC_COMPOSITE)
-EXTERN int board_mscclassobject(FAR struct usbdevclass_driver_s **classdev);
-#endif
-
-/****************************************************************************
- * Name: usbmsc_configure
- *
- * Description:
- *   One-time initialization of the USB storage driver.  The initialization
- *   sequence is as follows:
- *
- *   1. Call usbmsc_configure to perform one-time initialization specifying
- *      the number of luns.
- *   2. Call usbmsc_bindlun to configure each supported LUN
- *   3. Call usbmsc_exportluns when all LUNs are configured
- *
- * Input Parameters:
- *   nluns  - the number of LUNs that will be registered
- *   handle - Location to return a handle that is used in other API calls.
- *
- * Returned Value:
- *   0 on success; a negated errno on failure
- *
- ****************************************************************************/
-
-EXTERN int usbmsc_configure(unsigned int nluns, void **handle);
-
-/****************************************************************************
- * Name: usbmsc_bindlun
- *
- * Description:
- *   Bind the block driver specified by drvrpath to a USB storage LUN.
- *
- * Input Parameters:
- *   handle      - The handle returned by a previous call to usbmsc_configure().
- *   drvrpath    - the full path to the block driver
- *   startsector - A sector offset into the block driver to the start of the
- *                 partition on drvrpath (0 if no partitions)
- *   nsectors    - The number of sectors in the partition (if 0, all sectors
- *                 to the end of the media will be exported).
- *   lunno       - the LUN to bind to
- *
- * Returned Value:
- *  0 on success; a negated errno on failure.
- *
- ****************************************************************************/
-
-EXTERN int usbmsc_bindlun(FAR void *handle, FAR const char *drvrpath,
-                           unsigned int lunno, off_t startsector, size_t nsectors,
-                            bool readonly);
-
-/****************************************************************************
- * Name: usbmsc_unbindlun
- *
- * Description:
- *   Un-bind the block driver for the specified LUN
- *
- * Input Parameters:
- *   handle - The handle returned by a previous call to usbmsc_configure().
- *   lun    - the LUN to unbind from
- *
- * Returned Value:
- *  0 on success; a negated errno on failure.
- *
- ****************************************************************************/
-
-EXTERN int usbmsc_unbindlun(FAR void *handle, unsigned int lunno);
-
-/****************************************************************************
- * Name: usbmsc_exportluns
- *
- * Description:
- *   After all of the LUNs have been bound, this function may be called
- *   in order to export those LUNs in the USB storage device.
- *
- * Input Parameters:
- *   handle - The handle returned by a previous call to usbmsc_configure().
- *
- * Returned Value:
- *   0 on success; a negated errno on failure
- *
- ****************************************************************************/
-
-EXTERN int usbmsc_exportluns(FAR void *handle);
-
-/****************************************************************************
- * Name: usbmsc_classobject
- *
- * Description:
- *   .
- *
- * Input Parameters:
- *   handle - The handle returned by a previous call to usbmsc_configure().
- *
- * Returned Value:
- *   0 on success; a negated errno on failure
- *
- ****************************************************************************/
-
-#if defined(CONFIG_USBDEV_COMPOSITE) && defined(CONFIG_USBMSC_COMPOSITE)
-EXTERN int usbmsc_classobject(FAR void *handle, FAR struct usbdevclass_driver_s **classdev);
-#endif
-
-/****************************************************************************
- * Name: usbmsc_uninitialize
- *
- * Description:
- *   Un-initialize the USB storage class driver
- *
- * Input Parameters:
- *   handle - The handle returned by a previous call to usbmsc_configure().
- *
- * Returned Value:
- *   None
- *
- ****************************************************************************/
-
-EXTERN void usbmsc_uninitialize(FAR void *handle);
-
 #undef EXTERN
 #if defined(__cplusplus)
 }
diff --git a/nuttx/include/nuttx/usb/usbhost.h b/nuttx/include/nuttx/usb/usbhost.h
index 923e26307..5bf1d45a4 100644
--- a/nuttx/include/nuttx/usb/usbhost.h
+++ b/nuttx/include/nuttx/usb/usbhost.h
@@ -680,10 +680,6 @@ struct usbhost_driver_s
  * Public Data
  ************************************************************************************/
 
-/************************************************************************************
- * Public Functions
- ************************************************************************************/
-
 #undef EXTERN
 #if defined(__cplusplus)
 #define EXTERN extern "C"
@@ -692,6 +688,10 @@ extern "C" {
 #define EXTERN extern
 #endif
 
+/************************************************************************************
+ * Public Functions
+ ************************************************************************************/
+
 /************************************************************************************
  * Name: usbhost_registerclass
  *
diff --git a/nuttx/include/nuttx/usb/usbmsc.h b/nuttx/include/nuttx/usb/usbmsc.h
new file mode 100644
index 000000000..dd2740a21
--- /dev/null
+++ b/nuttx/include/nuttx/usb/usbmsc.h
@@ -0,0 +1,257 @@
+/************************************************************************************
+ * include/nuttx/usb/usbmsc.h
+ *
+ *   Copyright (C) 2008-2010, 2012 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
+ *
+ * NOTE:  This interface was inspired by the Linux gadget interface by
+ * David Brownell. That work was very helpful in determining a usable
+ * partitioning of functionality between standard class drivers and various
+ * implementations of USB controller drivers.  This work, however, does
+ * not derive directly from that work and is licensed differently.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name NuttX nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ************************************************************************************/
+
+#ifndef _INCLUDE_NUTTX_USB_USBMSC_H
+#define _INCLUDE_NUTTX_USB_USBMSC_H
+
+/************************************************************************************
+ * Included Files
+ ************************************************************************************/
+
+#include <nuttx/config.h>
+
+#include <sys/types.h>
+#include <stdint.h>
+#include <stdbool.h>
+
+/************************************************************************************
+ * Pre-processor Definitions
+ ************************************************************************************/
+
+/************************************************************************************
+ * Public Types
+ ************************************************************************************/
+
+ /************************************************************************************
+ * Public Data
+ ************************************************************************************/
+
+#undef EXTERN
+#if defined(__cplusplus)
+#  define EXTERN extern "C"
+extern "C"
+{
+#else
+#  define EXTERN extern
+#endif
+
+/************************************************************************************
+ * Public Functions
+ ************************************************************************************/
+
+/************************************************************************************
+ * Name: board_mscclassobject
+ *
+ * Description:
+ *   If the mass storage class driver is part of composite device, then
+ *   its instantiation and configuration is a multi-step, board-specific,
+ *   process (See comments for usbmsc_configure below).  In this case,
+ *   board-specific logic must provide board_mscclassobject().
+ *
+ *   board_mscclassobject() is called from the composite driver.  It must
+ *   encapsulate the instantiation and configuration of the mass storage
+ *   class and the return the mass storage device's class driver instance
+ *   to the composite dirver.
+ *
+ * Input Parameters:
+ *   classdev - The location to return the mass storage class' device
+ *     instance.
+ *
+ * Returned Value:
+ *   0 on success; a negated errno on failure
+ *
+ ************************************************************************************/
+
+#if defined(CONFIG_USBMSC_COMPOSITE) && defined(CONFIG_USBMSC_COMPOSITE)
+struct usbdevclass_driver_s;
+EXTERN int board_mscclassobject(FAR struct usbdevclass_driver_s **classdev);
+#endif
+
+/****************************************************************************
+ * Name: board_mscuninitialize
+ *
+ * Description:
+ *   Un-initialize the USB storage class driver.  This is just an application-
+ *   specific wrapper aboutn usbmsc_unitialize() that is called form the composite
+ *   device logic.
+ *
+ * Input Parameters:
+ *   classdev - The class driver instrance previously give to the composite
+ *     driver by board_mscclassobject().
+ *
+ * Returned Value:
+ *   None
+ *
+ ****************************************************************************/
+
+#if defined(CONFIG_USBMSC_COMPOSITE) && defined(CONFIG_USBMSC_COMPOSITE)
+struct usbdevclass_driver_s;
+EXTERN void board_mscuninitialize(FAR struct usbdevclass_driver_s *classdev);
+#endif
+
+/************************************************************************************
+ * Name: usbmsc_configure
+ *
+ * Description:
+ *   One-time initialization of the USB storage driver.  The initialization
+ *   sequence is as follows:
+ *
+ *   1. Call usbmsc_configure to perform one-time initialization specifying
+ *      the number of luns.
+ *   2. Call usbmsc_bindlun to configure each supported LUN
+ *   3. Call usbmsc_exportluns when all LUNs are configured
+ *
+ * Input Parameters:
+ *   nluns  - the number of LUNs that will be registered
+ *   handle - Location to return a handle that is used in other API calls.
+ *
+ * Returned Value:
+ *   0 on success; a negated errno on failure.  The returned handle value is
+ *   an untyped equivalent to the usbmsc_classobject() or board_mscclassobject().
+ *
+ ************************************************************************************/
+
+EXTERN int usbmsc_configure(unsigned int nluns, void **handle);
+
+/************************************************************************************
+ * Name: usbmsc_bindlun
+ *
+ * Description:
+ *   Bind the block driver specified by drvrpath to a USB storage LUN.
+ *
+ * Input Parameters:
+ *   handle      - The handle returned by a previous call to usbmsc_configure().
+ *   drvrpath    - the full path to the block driver
+ *   startsector - A sector offset into the block driver to the start of the
+ *                 partition on drvrpath (0 if no partitions)
+ *   nsectors    - The number of sectors in the partition (if 0, all sectors
+ *                 to the end of the media will be exported).
+ *   lunno       - the LUN to bind to
+ *
+ * Returned Value:
+ *  0 on success; a negated errno on failure.
+ *
+ ************************************************************************************/
+
+EXTERN int usbmsc_bindlun(FAR void *handle, FAR const char *drvrpath,
+                          unsigned int lunno, off_t startsector, size_t nsectors,
+                          bool readonly);
+
+/************************************************************************************
+ * Name: usbmsc_unbindlun
+ *
+ * Description:
+ *   Un-bind the block driver for the specified LUN
+ *
+ * Input Parameters:
+ *   handle - The handle returned by a previous call to usbmsc_configure().
+ *   lun    - the LUN to unbind from
+ *
+ * Returned Value:
+ *  0 on success; a negated errno on failure.
+ *
+ ************************************************************************************/
+
+EXTERN int usbmsc_unbindlun(FAR void *handle, unsigned int lunno);
+
+/************************************************************************************
+ * Name: usbmsc_exportluns
+ *
+ * Description:
+ *   After all of the LUNs have been bound, this function may be called in order to
+ *   export those LUNs in the USB storage device.
+ *
+ * Input Parameters:
+ *   handle - The handle returned by a previous call to usbmsc_configure().
+ *
+ * Returned Value:
+ *   0 on success; a negated errno on failure
+ *
+ ************************************************************************************/
+
+EXTERN int usbmsc_exportluns(FAR void *handle);
+
+/************************************************************************************
+ * Name: usbmsc_classobject
+ *
+ * Description:
+ *   Register USB mass storage device and return the class object.
+ *
+ * Input Parameters:
+ *   classdev - The location to return the CDC serial class' device
+ *     instance.
+ *
+ * Returned Value:
+ *   0 on success; a negated errno on failure
+
+ *
+ ************************************************************************************/
+
+#if defined(CONFIG_USBMSC_COMPOSITE) && defined(CONFIG_USBMSC_COMPOSITE)
+struct usbdevclass_driver_s;
+EXTERN int usbmsc_classobject(FAR void *handle, FAR struct usbdevclass_driver_s **classdev);
+#endif
+
+/************************************************************************************
+ * Name: usbmsc_uninitialize
+ *
+ * Description:
+ *   Un-initialize the USB storage class driver.  The handle is the USB MSC
+ *   class' device object.  This is the same value as returned by usbmsc_classobject
+ *   (typed) or by usbmsc_configure (untyped).
+ *
+ * Input Parameters:
+ *   handle - The handle returned by a previous call to usbmsc_configure()
+ *     (or usbmsc_classobject()).
+ *
+ * Returned Value:
+ *   None
+ *
+ ***********************************************************************************/
+
+EXTERN void usbmsc_uninitialize(FAR void *handle);
+
+#undef EXTERN
+#if defined(__cplusplus)
+}
+#endif
+
+#endif /* _INCLUDE_NUTTX_USB_USBMSC_H */
-- 
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