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Fix nasty bug in USBInterrupt.c which would cause a lockup if the control endpoint was not selected at the point the USB endpoint interrupt fires when INTERRUPT_CONTROL_ENDPOINT is defined.

This commit is contained in:
Dean Camera 2010-05-11 13:45:23 +00:00
parent 53ebb2f21a
commit ee5ea4ce2b
2 changed files with 7 additions and 8 deletions
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5
Demos/Host/Incomplete/BluetoothHost/Lib/ServiceDiscoveryProtocol.c
View File

@ -183,8 +183,6 @@ static uint32_t ServiceDiscovery_GetDataElementSize(const void** DataElementHead
uint8_t SizeIndex = (*((uint8_t*)*DataElementHeader) & 0x07);
*DataElementHeader += sizeof(uint8_t);
*ElementHeaderSize = 1;
uint32_t ElementValue;
switch (SizeIndex)
@ -205,7 +203,8 @@ static uint32_t ServiceDiscovery_GetDataElementSize(const void** DataElementHead
*ElementHeaderSize = (1 + sizeof(uint32_t));
break;
default:
ElementValue = (1UL << SizeIndex);
ElementValue = (1 << SizeIndex);
*ElementHeaderSize = 1;
break;
}

10
LUFA/Drivers/USB/LowLevel/USBInterrupt.c
View File

@ -233,15 +233,15 @@ ISR(USB_GEN_vect, ISR_BLOCK)
#if defined(INTERRUPT_CONTROL_ENDPOINT) && defined(USB_CAN_BE_DEVICE)
ISR(USB_COM_vect, ISR_BLOCK)
{
uint8_t PrevSelectedEndpoint = Endpoint_GetCurrentEndpoint();
uint8_t PrevSelectedEndpoint = Endpoint_GetCurrentEndpoint();
Endpoint_SelectEndpoint(ENDPOINT_CONTROLEP);
USB_INT_Disable(USB_INT_RXSTPI);
sei();
USB_USBTask();
USB_INT_Enable(USB_INT_RXSTPI);
USB_INT_Clear(USB_INT_RXSTPI);
USB_USBTask();
USB_INT_Enable(USB_INT_RXSTPI);
Endpoint_SelectEndpoint(PrevSelectedEndpoint);
}
#endif