Fixed possible deadlock in the CDC device driver if the USB connection is dropped while the CDC_REQ_SetLineEncoding control request is being processed by the stack (thanks to Jonathan Hudgins).

pull/1469/head
Dean Camera 13 years ago
parent 46d511c021
commit 2d98e5499b

@ -53,6 +53,8 @@
* - Fixed inverted LED logic in the OLIMEX162 board LED driver * - Fixed inverted LED logic in the OLIMEX162 board LED driver
* - Fixed incorrect reponse to GET STATUS requests in device mode if NO_DEVICE_SELF_POWER or NO_DEVICE_REMOTE_WAKEUP tokens are defined (thanks to Georg Glock) * - Fixed incorrect reponse to GET STATUS requests in device mode if NO_DEVICE_SELF_POWER or NO_DEVICE_REMOTE_WAKEUP tokens are defined (thanks to Georg Glock)
* - Fixed inverted LED logic in the USB2AX board LED driver * - Fixed inverted LED logic in the USB2AX board LED driver
* - Fixed possible deadlock in the CDC device driver if the USB connection is dropped while the CDC_REQ_SetLineEncoding control request is being processed by
* the stack (thanks to Jonathan Hudgins)
* - Library Applications: * - Library Applications:
* - Fixed error in the AVRISP-MKII programmer when ISP mode is used at 64KHz (thanks to Ben R. Porter) * - Fixed error in the AVRISP-MKII programmer when ISP mode is used at 64KHz (thanks to Ben R. Porter)
* - Fixed AVRISP-MKII programmer project failing to compile for the U4 chips when VTARGET_ADC_CHANNEL is defined to an invalid channel and NO_VTARGET_DETECT is * - Fixed AVRISP-MKII programmer project failing to compile for the U4 chips when VTARGET_ADC_CHANNEL is defined to an invalid channel and NO_VTARGET_DETECT is

@ -69,7 +69,11 @@ void CDC_Device_ProcessControlRequest(USB_ClassInfo_CDC_Device_t* const CDCInter
{ {
Endpoint_ClearSETUP(); Endpoint_ClearSETUP();
while (!(Endpoint_IsOUTReceived())); while (!(Endpoint_IsOUTReceived()))
{
if (USB_DeviceState == DEVICE_STATE_Unattached)
return;
}
CDCInterfaceInfo->State.LineEncoding.BaudRateBPS = Endpoint_Read_32_LE(); CDCInterfaceInfo->State.LineEncoding.BaudRateBPS = Endpoint_Read_32_LE();
CDCInterfaceInfo->State.LineEncoding.CharFormat = Endpoint_Read_8(); CDCInterfaceInfo->State.LineEncoding.CharFormat = Endpoint_Read_8();

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