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USB hub fixes. Mostly dealing with setting the hub function address at the right time and powering up downstream ports

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This commit is contained in:
Gregory Nutt
2015-04-23 16:42:53 -06:00
parent d11af85ddf
commit 2586bc3fcc
8 changed files with 177 additions and 145 deletions
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include/nuttx/usb/usbhost_devaddr.h
+6 -4
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@@ -120,7 +120,8 @@ void usbhost_devaddr_initialize(FAR struct usbhost_roothubport_s *rhport);
* newly connected and so is in need of a function address.
*
* Returned Value:
* Zero on success; a negated errno value is returned on failure.
* On success, a new device function address in the the range 0x01 to 0x7f
* is returned. On failure, a negated errno value is returned.
*
*******************************************************************************/
@@ -130,19 +131,20 @@ int usbhost_devaddr_create(FAR struct usbhost_hubport_s *hport);
* Name: usbhost_devaddr_destroy
*
* Description:
* Release a device address previously assigned to a hub port by
* usbhost_devaddr_create().
* Release a device address previously assigned by usbhost_devaddr_create().
*
* Input Parameters:
* hport - A reference to a hub port structure from which a device has been
* disconnected and so no longer needs the function address.
* devaddr - The address to be released.
*
* Returned Value:
* None
*
*******************************************************************************/
void usbhost_devaddr_destroy(FAR struct usbhost_hubport_s *hport);
void usbhost_devaddr_destroy(FAR struct usbhost_hubport_s *hport,
uint8_t devaddr);
#undef EXTERN
#if defined(__cplusplus)