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Separate wait() and enumerate() methods from struct usbhost_driver_s and move to new interface, struct usbhost_connection_s. This is part of the necessary restructuring of the USB host interface to support multiple root hub ports.

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Gregory Nutt
2013-08-13 15:03:46 -06:00
parent 92e9591952
commit 592863ce2b
1 changed files with 8 additions and 6 deletions
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Documentation/NuttxPortingGuide.html
+8 -6
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@@ -12,7 +12,7 @@
<h1><big><font color="#3c34ec"> <h1><big><font color="#3c34ec">
<i>NuttX RTOS Porting Guide</i> <i>NuttX RTOS Porting Guide</i>
</font></big></h1> </font></big></h1>
<p>Last Updated: August 12, 2013</p> <p>Last Updated: August 13, 2013</p>
</td> </td>
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</table> </table>
@@ -3426,9 +3426,11 @@ extern void up_ledoff(int led);
</li> </li>
<li> <li>
<p> <p>
<b><code>struct usbhost_driver_s</code></b>. <b><code>struct usbhost_driver_s</code> and <code>struct usbhost_connection_s</code></b>.
Each USB host controller driver must implement an instance of <code>struct usbhost_driver_s</code>. Each USB host controller driver must implement an instance of <code>struct usbhost_driver_s</code> and <code>struct usbhost_connection_s</code>:
This structure is defined in <code>include/nuttx/usb/usbhost.h</code>. <code>struct usbhost_driver_s</code> provides the interface between the USB host driver and the USB class driver;
<code>struct usbhost_connection_s</code> provides the interface between the USB host driver and platform-specific connection management and device enumeration logoc.
These structures are defined in <code>include/nuttx/usb/usbhost.h</code>.
</p> </p>
<p> <p>
<b>Examples</b>: <b>Examples</b>:
@@ -3471,7 +3473,7 @@ extern void up_ledoff(int led);
<ul> <ul>
<li> <li>
<p> <p>
<code>int (*wait)(FAR struct usbhost_driver_s *drvr, FAR const bool *connected);</code> <code>int (*wait)(FAR struct usbhost_connection_s *drvr, FAR const bool *connected);</code>
</p> </p>
<p> <p>
Wait for a device to be connected or disconnected. Wait for a device to be connected or disconnected.
@@ -3479,7 +3481,7 @@ extern void up_ledoff(int led);
</li> </li>
<li> <li>
<p> <p>
<code>int (*enumerate)(FAR struct usbhost_driver_s *drvr, int rhpndx);</code> <code>int (*enumerate)(FAR struct usbhost_connection_s *drvr, int rhpndx);</code>
</p> </p>
<p> <p>
Enumerate the device connected to a root hub port. Enumerate the device connected to a root hub port.