diff --git a/Documentation/NuttxPortingGuide.html b/Documentation/NuttxPortingGuide.html index cdc4db1d3b..adc0041f98 100644 --- a/Documentation/NuttxPortingGuide.html +++ b/Documentation/NuttxPortingGuide.html @@ -12,7 +12,7 @@

NuttX RTOS Porting Guide

-

Last Updated: December 22, 2010

+

Last Updated: December 29, 2010

@@ -3219,6 +3219,12 @@ build
  • CONFIG_USBHOST: Enables USB host support
  • +
  • + CONFIG_USBHOST_HAVERHSC: + Define if the hardware is able to detect a root hub status change when a device is inserted. + If CONFIG_USBHOST_HAVERHSC is not set, then it is assumed that the hardware cannot detect the presence of a USB device + and that the application must periodically attempt to enumerate the device. +
  • CONFIG_USBHOST_NPREALLOC: Number of pre-allocated class instances