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Fix XMEGA core USB driver endpoint code to prevent incorrect STALL determination.

This commit is contained in:
Dean Camera 2011-11-01 06:05:54 +00:00
parent 139c1afeeb
commit cb7f7a8241
3 changed files with 14 additions and 11 deletions
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2
LUFA.pnproj
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File diff suppressed because one or more lines are too long

14
LUFA/Drivers/USB/Core/XMEGA/Endpoint_XMEGA.c
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@ -52,14 +52,14 @@ bool Endpoint_ConfigureEndpoint_PRV(const uint8_t Number,
{
Endpoint_SelectEndpoint(Number | Direction);
USB_Endpoint_SelectedHandle->CTRL = 0;
USB_Endpoint_SelectedHandle->STATUS = (Direction == ENDPOINT_DIR_IN) ? USB_EP_BUSNACK0_bm : 0;
USB_Endpoint_SelectedHandle->CTRL = Config;
USB_Endpoint_SelectedHandle->CNT = 0;
USB_Endpoint_SelectedHandle->DATAPTR = (intptr_t)&USB_Endpoint_SelectedFIFO->Data[0];
USB_Endpoint_SelectedHandle->CTRL = 0;
USB_Endpoint_SelectedHandle->STATUS = (Direction == ENDPOINT_DIR_IN) ? USB_EP_BUSNACK0_bm : 0;
USB_Endpoint_SelectedHandle->CTRL = Config;
USB_Endpoint_SelectedHandle->CNT = 0;
USB_Endpoint_SelectedHandle->DATAPTR = (intptr_t)&USB_Endpoint_SelectedFIFO->Data[0];
USB_Endpoint_SelectedFIFO->Length = (Direction == ENDPOINT_DIR_IN) ? Size : 0;
USB_Endpoint_SelectedFIFO->Position = 0;
USB_Endpoint_SelectedFIFO->Length = (Direction == ENDPOINT_DIR_IN) ? Size : 0;
USB_Endpoint_SelectedFIFO->Position = 0;
return true;
}

9
LUFA/Drivers/USB/Core/XMEGA/Endpoint_XMEGA.h
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@ -289,7 +289,7 @@
const uint16_t Size,
const uint8_t Banks)
{
uint8_t EPConfigMask = (Banks | Endpoint_BytesToEPSizeMask(Size));
uint8_t EPConfigMask = (USB_EP_INTDSBL_bm | Banks | Endpoint_BytesToEPSizeMask(Size));
switch (Type)
{
@ -345,7 +345,10 @@
static inline void Endpoint_ResetEndpoint(const uint8_t EndpointNumber) ATTR_ALWAYS_INLINE;
static inline void Endpoint_ResetEndpoint(const uint8_t EndpointNumber)
{
USB_Endpoint_SelectedFIFO->Position = 0;
if (EndpointNumber & ENDPOINT_DIR_IN)
USB_Endpoint_FIFOs[EndpointNumber & ENDPOINT_EPNUM_MASK].IN.Position = 0;
else
USB_Endpoint_FIFOs[EndpointNumber & ENDPOINT_EPNUM_MASK].OUT.Position = 0;
}
/** Determines if the currently selected endpoint is enabled, but not necessarily configured.
@ -564,7 +567,7 @@
static inline bool Endpoint_IsStalled(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE;
static inline bool Endpoint_IsStalled(void)
{
return ((USB_Endpoint_SelectedHandle->CTRL & USB_EP_STALLF_bm) ? true : false);
return ((USB_Endpoint_SelectedHandle->STATUS & USB_EP_STALLF_bm) ? true : false);
}
/** Resets the data toggle of the currently selected endpoint. */