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Added new USB_DeviceState variable to keep track of the current Device mode USB state.

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Added new Endpoint_ClearStatusStage() convenience function to assist with the status stages of control transfers.

Removed vague USB_IsConnected global - test USB_DeviceState or USB_HostState explicitly to gain previous functionality.

Removed USB_IsSuspended global - test USB_DeviceState against DEVICE_STATE_Suspended instead.

Fixed possible enumeration errors from spinloops which may fail to exit if the USB connection is severed before the exit condition becomes true.
This commit is contained in:
Dean Camera 2009-07-21 13:31:21 +00:00
parent 44179abcf8
commit e071f3897a
58 changed files with 666 additions and 463 deletions
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2
LUFA/ManPages/CompileTimeTokens.txt
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@ -157,7 +157,7 @@
* On the smaller USB AVRs, the USB controller lacks VBUS events to determine the physical connection state of the USB bus to a host. In lieu of
* VBUS events, the library attempts to determine the connection state via the bus suspension and wake up events instead. This however may be
* slightly inaccurate due to the possibility of the host suspending the bus while the device is still connected. If accurate connection status is
* required, the VBUS line of the USB connector should be routed to an AVR pin to detect its level, so that the USB_IsConnected global
* required, the VBUS line of the USB connector should be routed to an AVR pin to detect its level, so that the USB_DeviceState global
* can be accurately set and the USB_Connect and USB_Disconnect events manually raised by the RAISE_EVENT macro. When defined, this token disables
* the library's auto-detection of the connection state by the aforementioned suspension and wake up events.
*