From 028a3c4ab3f73af3c63d05379002150c8ccd4982 Mon Sep 17 00:00:00 2001
From: Dean Camera <dean@fourwalledcubicle.com>
Date: Sun, 30 Oct 2011 07:09:20 +0000
Subject: [PATCH] XMEGA port improvements; connection and disconnection are now
detected correctly. Fixed incorrect interrupt priority levels being set for
XMEGA devices.
---
LUFA/Drivers/USB/Core/XMEGA/Device_XMEGA.h | 2 +-
LUFA/Drivers/USB/Core/XMEGA/Endpoint_XMEGA.c | 27 +++-
LUFA/Drivers/USB/Core/XMEGA/Endpoint_XMEGA.h | 132 +++++++++++++-----
.../USB/Core/XMEGA/USBController_XMEGA.c | 3 +-
.../USB/Core/XMEGA/USBController_XMEGA.h | 22 ++-
.../USB/Core/XMEGA/USBInterrupt_XMEGA.c | 2 +-
.../USB/Core/XMEGA/USBInterrupt_XMEGA.h | 12 +-
7 files changed, 146 insertions(+), 54 deletions(-)
diff --git a/LUFA/Drivers/USB/Core/XMEGA/Device_XMEGA.h b/LUFA/Drivers/USB/Core/XMEGA/Device_XMEGA.h
index 8764ea1d2..df6823a9c 100644
--- a/LUFA/Drivers/USB/Core/XMEGA/Device_XMEGA.h
+++ b/LUFA/Drivers/USB/Core/XMEGA/Device_XMEGA.h
@@ -142,7 +142,7 @@
static inline uint16_t USB_Device_GetFrameNumber(void) ATTR_ALWAYS_INLINE ATTR_WARN_UNUSED_RESULT;
static inline uint16_t USB_Device_GetFrameNumber(void)
{
- return (((uint16_t)USB_EndpointTable.FRAMENUMH << 8) | USB_EndpointTable.FRAMENUML);
+ return USB_EndpointTable.FrameNum;
}
#if !defined(NO_SOF_EVENTS)
diff --git a/LUFA/Drivers/USB/Core/XMEGA/Endpoint_XMEGA.c b/LUFA/Drivers/USB/Core/XMEGA/Endpoint_XMEGA.c
index 6e198d3a4..65422177b 100644
--- a/LUFA/Drivers/USB/Core/XMEGA/Endpoint_XMEGA.c
+++ b/LUFA/Drivers/USB/Core/XMEGA/Endpoint_XMEGA.c
@@ -39,8 +39,31 @@
uint8_t USB_Device_ControlEndpointSize = ENDPOINT_CONTROLEP_DEFAULT_SIZE;
#endif
-volatile uint8_t Endpoint_SelectedEndpoint;
-volatile USB_EP_t* Endpoint_SelectedEndpointHandle;
+Endpoint_AuxData_t Endpoint_AuxData[ENDPOINT_DETAILS_MAXEP * 2];
+
+volatile uint8_t Endpoint_SelectedEndpoint;
+volatile USB_EP_t* Endpoint_SelectedEndpointHandle;
+volatile Endpoint_AuxData_t* Endpoint_SelectedEndpointAux;
+
+bool Endpoint_ConfigureEndpoint_PRV(const uint8_t Number,
+ const uint8_t Direction,
+ const uint8_t Config,
+ const uint8_t Size)
+{
+ Endpoint_SelectEndpoint(Number | Direction);
+
+ Endpoint_SelectedEndpointHandle->CTRL = 0;
+ Endpoint_SelectedEndpointHandle->STATUS = (Direction == ENDPOINT_DIR_IN) ? USB_EP_BUSNACK0_bm : 0;
+ Endpoint_SelectedEndpointHandle->CTRL = Config;
+ Endpoint_SelectedEndpointHandle->CNT = 0;
+ Endpoint_SelectedEndpointHandle->DATAPTR = (intptr_t)&Endpoint_SelectedEndpointAux->Data;
+
+ Endpoint_SelectedEndpointAux->BankSize = Size;
+ Endpoint_SelectedEndpointAux->FIFOLength = (Direction == ENDPOINT_DIR_IN) ? Size : 0;
+ Endpoint_SelectedEndpointAux->FIFOPosition = 0;
+
+ return true;
+}
void Endpoint_ClearEndpoints(void)
{
diff --git a/LUFA/Drivers/USB/Core/XMEGA/Endpoint_XMEGA.h b/LUFA/Drivers/USB/Core/XMEGA/Endpoint_XMEGA.h
index 77fb7f7a4..3fbd3ff2f 100644
--- a/LUFA/Drivers/USB/Core/XMEGA/Endpoint_XMEGA.h
+++ b/LUFA/Drivers/USB/Core/XMEGA/Endpoint_XMEGA.h
@@ -96,9 +96,20 @@
#define ENDPOINT_DETAILS_MAXEP 16
+ /* Type Defines: */
+ typedef struct
+ {
+ uint8_t Data[64];
+ uint8_t BankSize;
+ uint8_t FIFOLength;
+ uint8_t FIFOPosition;
+ } Endpoint_AuxData_t;
+
/* External Variables: */
- extern volatile uint8_t Endpoint_SelectedEndpoint;
- extern volatile USB_EP_t* Endpoint_SelectedEndpointHandle;
+ extern Endpoint_AuxData_t Endpoint_AuxData[ENDPOINT_DETAILS_MAXEP * 2];
+ extern volatile uint8_t Endpoint_SelectedEndpoint;
+ extern volatile USB_EP_t* Endpoint_SelectedEndpointHandle;
+ extern volatile Endpoint_AuxData_t* Endpoint_SelectedEndpointAux;
/* Inline Functions: */
static inline uint8_t Endpoint_BytesToEPSizeMask(const uint16_t Bytes) ATTR_WARN_UNUSED_RESULT ATTR_CONST
@@ -118,6 +129,10 @@
}
/* Function Prototypes: */
+ bool Endpoint_ConfigureEndpoint_PRV(const uint8_t Number,
+ const uint8_t Direction,
+ const uint8_t Config,
+ const uint8_t Size);
void Endpoint_ClearEndpoints(void);
#endif
@@ -216,7 +231,8 @@
((EndpointNumber & ENDPOINT_DIR_IN) ? 0x01 : 0);
Endpoint_SelectedEndpoint = EndpointNumber;
- Endpoint_SelectedEndpointHandle = &((USB_EP_t*)&USB_EndpointTable)[EPTableIndex];
+ Endpoint_SelectedEndpointHandle = &((USB_EP_t*)&USB_EndpointTable.Endpoints)[EPTableIndex];
+ Endpoint_SelectedEndpointAux = &Endpoint_AuxData[EPTableIndex];
}
/** Configures the specified endpoint number with the given endpoint type, direction, bank size
@@ -270,26 +286,25 @@
const uint16_t Size,
const uint8_t Banks)
{
- Endpoint_SelectEndpoint(Number | Direction);
+ uint8_t EPConfigMask = (Banks | Endpoint_BytesToEPSizeMask(Size));
- uint8_t EPTypeMask = 0;
switch (Type)
{
case EP_TYPE_CONTROL:
- EPTypeMask = USB_EP_TYPE_CONTROL_gc;
+ EPConfigMask |= USB_EP_TYPE_CONTROL_gc;
break;
case EP_TYPE_ISOCHRONOUS:
- EPTypeMask = USB_EP_TYPE_ISOCHRONOUS_gc;
+ EPConfigMask |= USB_EP_TYPE_ISOCHRONOUS_gc;
break;
default:
- EPTypeMask = USB_EP_TYPE_BULK_gc;
+ EPConfigMask |= USB_EP_TYPE_BULK_gc;
break;
}
-
- Endpoint_SelectedEndpointHandle->CTRL = 0;
- Endpoint_SelectedEndpointHandle->STATUS = (USB_EP_BUSNACK0_bm | USB_EP_BUSNACK1_bm);
- Endpoint_SelectedEndpointHandle->CTRL = (EPTypeMask | Banks | Endpoint_BytesToEPSizeMask(Size));
- return true;
+
+ if (Type == EP_TYPE_CONTROL)
+ Endpoint_ConfigureEndpoint_PRV(Number, Direction ^ ENDPOINT_DIR_IN, EPConfigMask, Size);
+
+ return Endpoint_ConfigureEndpoint_PRV(Number, Direction, EPConfigMask, Size);
}
/** Indicates the number of bytes currently stored in the current endpoint's selected bank.
@@ -304,7 +319,7 @@
static inline uint16_t Endpoint_BytesInEndpoint(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE;
static inline uint16_t Endpoint_BytesInEndpoint(void)
{
- return (((uint16_t)(Endpoint_SelectedEndpointHandle->CNTH & ~USB_EP_ZLP_bm) << 8) | Endpoint_SelectedEndpointHandle->CNTL);
+ return Endpoint_SelectedEndpointAux->FIFOPosition;
}
/** Get the endpoint address of the currently selected endpoint. This is typically used to save
@@ -327,7 +342,7 @@
static inline void Endpoint_ResetEndpoint(const uint8_t EndpointNumber) ATTR_ALWAYS_INLINE;
static inline void Endpoint_ResetEndpoint(const uint8_t EndpointNumber)
{
- // TODO
+ Endpoint_SelectedEndpointAux->FIFOPosition = 0;
}
/** Determines if the currently selected endpoint is enabled, but not necessarily configured.
@@ -366,7 +381,7 @@
static inline bool Endpoint_IsReadWriteAllowed(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE;
static inline bool Endpoint_IsReadWriteAllowed(void)
{
- return 0; // TODO
+ return (Endpoint_SelectedEndpointAux->FIFOPosition < Endpoint_SelectedEndpointAux->FIFOLength);
}
/** Determines if the currently selected endpoint is configured.
@@ -413,7 +428,7 @@
static inline bool Endpoint_IsINReady(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE;
static inline bool Endpoint_IsINReady(void)
{
- return (Endpoint_SelectedEndpointHandle->STATUS & USB_EP_TRNCOMPL0_bm);
+ return ((Endpoint_SelectedEndpointHandle->STATUS & USB_EP_TRNCOMPL0_bm) ? true : false);
}
/** Determines if the selected OUT endpoint has received new packet from the host.
@@ -425,7 +440,13 @@
static inline bool Endpoint_IsOUTReceived(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE;
static inline bool Endpoint_IsOUTReceived(void)
{
- return (Endpoint_SelectedEndpointHandle->STATUS & USB_EP_TRNCOMPL0_bm);
+ if (Endpoint_SelectedEndpointHandle->STATUS & USB_EP_TRNCOMPL0_bm)
+ {
+ Endpoint_SelectedEndpointAux->FIFOLength = Endpoint_SelectedEndpointHandle->CNT;
+ return true;
+ }
+
+ return false;
}
/** Determines if the current CONTROL type endpoint has received a SETUP packet.
@@ -437,7 +458,7 @@
static inline bool Endpoint_IsSETUPReceived(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE;
static inline bool Endpoint_IsSETUPReceived(void)
{
- return (Endpoint_SelectedEndpointHandle->STATUS & USB_EP_SETUP_bm);
+ return ((Endpoint_SelectedEndpointHandle->STATUS & USB_EP_SETUP_bm) ? true : false);
}
/** Clears a received SETUP packet on the currently selected CONTROL type endpoint, freeing up the
@@ -450,7 +471,9 @@
static inline void Endpoint_ClearSETUP(void) ATTR_ALWAYS_INLINE;
static inline void Endpoint_ClearSETUP(void)
{
- // TODO
+ Endpoint_SelectedEndpointHandle->STATUS &= ~(USB_EP_SETUP_bm | USB_EP_BUSNACK0_bm);
+
+ Endpoint_SelectedEndpointAux->FIFOPosition = 0;
}
/** Sends an IN packet to the host on the currently selected endpoint, freeing up the endpoint for the
@@ -461,7 +484,10 @@
static inline void Endpoint_ClearIN(void) ATTR_ALWAYS_INLINE;
static inline void Endpoint_ClearIN(void)
{
- // TODO
+ Endpoint_SelectedEndpointHandle->CNT = Endpoint_SelectedEndpointAux->FIFOPosition;
+ Endpoint_SelectedEndpointHandle->STATUS &= ~(USB_EP_TRNCOMPL0_bm | USB_EP_BUSNACK0_bm);
+
+ Endpoint_SelectedEndpointAux->FIFOPosition = 0;
}
/** Acknowledges an OUT packet to the host on the currently selected endpoint, freeing up the endpoint
@@ -471,8 +497,10 @@
*/
static inline void Endpoint_ClearOUT(void) ATTR_ALWAYS_INLINE;
static inline void Endpoint_ClearOUT(void)
- {
- // TODO
+ {
+ Endpoint_SelectedEndpointHandle->STATUS &= ~(USB_EP_TRNCOMPL0_bm | USB_EP_BUSNACK0_bm);
+
+ Endpoint_SelectedEndpointAux->FIFOPosition = 0;
}
/** Stalls the current endpoint, indicating to the host that a logical problem occurred with the
@@ -511,7 +539,7 @@
static inline bool Endpoint_IsStalled(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE;
static inline bool Endpoint_IsStalled(void)
{
- return (Endpoint_SelectedEndpointHandle->CTRL & USB_EP_STALL_bm);
+ return ((Endpoint_SelectedEndpointHandle->CTRL & USB_EP_STALL_bm) ? true : false);
}
/** Resets the data toggle of the currently selected endpoint. */
@@ -528,7 +556,7 @@
static inline uint8_t Endpoint_GetEndpointDirection(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE;
static inline uint8_t Endpoint_GetEndpointDirection(void)
{
- return 0; // TODO
+ return ((Endpoint_SelectedEndpoint & ENDPOINT_DIR_IN) ? true : false);
}
/** Sets the direction of the currently selected endpoint.
@@ -550,7 +578,7 @@
static inline uint8_t Endpoint_Read_8(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE;
static inline uint8_t Endpoint_Read_8(void)
{
- return 0; // TODO
+ return Endpoint_SelectedEndpointAux->Data[Endpoint_SelectedEndpointAux->FIFOPosition++];
}
/** Writes one byte to the currently selected endpoint's bank, for IN direction endpoints.
@@ -562,7 +590,7 @@
static inline void Endpoint_Write_8(const uint8_t Data) ATTR_ALWAYS_INLINE;
static inline void Endpoint_Write_8(const uint8_t Data)
{
- // TODO
+ Endpoint_SelectedEndpointAux->Data[Endpoint_SelectedEndpointAux->FIFOPosition++] = Data;
}
/** Discards one byte from the currently selected endpoint's bank, for OUT direction endpoints.
@@ -572,7 +600,7 @@
static inline void Endpoint_Discard_8(void) ATTR_ALWAYS_INLINE;
static inline void Endpoint_Discard_8(void)
{
- // TODO
+ Endpoint_SelectedEndpointAux->FIFOPosition++;
}
/** Reads two bytes from the currently selected endpoint's bank in little endian format, for OUT
@@ -585,7 +613,10 @@
static inline uint16_t Endpoint_Read_16_LE(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE;
static inline uint16_t Endpoint_Read_16_LE(void)
{
- return 0; // TODO
+ uint16_t Byte0 = Endpoint_Read_8();
+ uint16_t Byte1 = Endpoint_Read_8();
+
+ return ((Byte1 << 8) | Byte0);
}
/** Reads two bytes from the currently selected endpoint's bank in big endian format, for OUT
@@ -598,7 +629,10 @@
static inline uint16_t Endpoint_Read_16_BE(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE;
static inline uint16_t Endpoint_Read_16_BE(void)
{
- return 0; // TODO
+ uint16_t Byte0 = Endpoint_Read_8();
+ uint16_t Byte1 = Endpoint_Read_8();
+
+ return ((Byte0 << 8) | Byte1);
}
/** Writes two bytes to the currently selected endpoint's bank in little endian format, for IN
@@ -611,7 +645,8 @@
static inline void Endpoint_Write_16_LE(const uint16_t Data) ATTR_ALWAYS_INLINE;
static inline void Endpoint_Write_16_LE(const uint16_t Data)
{
- // TODO
+ Endpoint_Write_8(Data & 0xFF);
+ Endpoint_Write_8(Data >> 8);
}
/** Writes two bytes to the currently selected endpoint's bank in big endian format, for IN
@@ -624,7 +659,8 @@
static inline void Endpoint_Write_16_BE(const uint16_t Data) ATTR_ALWAYS_INLINE;
static inline void Endpoint_Write_16_BE(const uint16_t Data)
{
- // TODO
+ Endpoint_Write_8(Data >> 8);
+ Endpoint_Write_8(Data & 0xFF);
}
/** Discards two bytes from the currently selected endpoint's bank, for OUT direction endpoints.
@@ -634,7 +670,8 @@
static inline void Endpoint_Discard_16(void) ATTR_ALWAYS_INLINE;
static inline void Endpoint_Discard_16(void)
{
- // TODO
+ Endpoint_Discard_8();
+ Endpoint_Discard_8();
}
/** Reads four bytes from the currently selected endpoint's bank in little endian format, for OUT
@@ -647,7 +684,12 @@
static inline uint32_t Endpoint_Read_32_LE(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE;
static inline uint32_t Endpoint_Read_32_LE(void)
{
- return 0; // TODO
+ uint32_t Byte0 = Endpoint_Read_8();
+ uint32_t Byte1 = Endpoint_Read_8();
+ uint32_t Byte2 = Endpoint_Read_8();
+ uint32_t Byte3 = Endpoint_Read_8();
+
+ return ((Byte3 << 24) | (Byte2 << 16) | (Byte1 << 8) | Byte0);
}
/** Reads four bytes from the currently selected endpoint's bank in big endian format, for OUT
@@ -660,7 +702,12 @@
static inline uint32_t Endpoint_Read_32_BE(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE;
static inline uint32_t Endpoint_Read_32_BE(void)
{
- return 0; // TODO
+ uint32_t Byte0 = Endpoint_Read_8();
+ uint32_t Byte1 = Endpoint_Read_8();
+ uint32_t Byte2 = Endpoint_Read_8();
+ uint32_t Byte3 = Endpoint_Read_8();
+
+ return ((Byte0 << 24) | (Byte1 << 16) | (Byte2 << 8) | Byte3);
}
/** Writes four bytes to the currently selected endpoint's bank in little endian format, for IN
@@ -673,7 +720,10 @@
static inline void Endpoint_Write_32_LE(const uint32_t Data) ATTR_ALWAYS_INLINE;
static inline void Endpoint_Write_32_LE(const uint32_t Data)
{
- // TODO
+ Endpoint_Write_8(Data & 0xFF);
+ Endpoint_Write_8(Data >> 8);
+ Endpoint_Write_8(Data >> 16);
+ Endpoint_Write_8(Data >> 24);
}
/** Writes four bytes to the currently selected endpoint's bank in big endian format, for IN
@@ -686,7 +736,10 @@
static inline void Endpoint_Write_32_BE(const uint32_t Data) ATTR_ALWAYS_INLINE;
static inline void Endpoint_Write_32_BE(const uint32_t Data)
{
- // TODO
+ Endpoint_Write_8(Data >> 24);
+ Endpoint_Write_8(Data >> 16);
+ Endpoint_Write_8(Data >> 8);
+ Endpoint_Write_8(Data & 0xFF);
}
/** Discards four bytes from the currently selected endpoint's bank, for OUT direction endpoints.
@@ -696,7 +749,10 @@
static inline void Endpoint_Discard_32(void) ATTR_ALWAYS_INLINE;
static inline void Endpoint_Discard_32(void)
{
- // TODO
+ Endpoint_Discard_8();
+ Endpoint_Discard_8();
+ Endpoint_Discard_8();
+ Endpoint_Discard_8();
}
/* External Variables: */
diff --git a/LUFA/Drivers/USB/Core/XMEGA/USBController_XMEGA.c b/LUFA/Drivers/USB/Core/XMEGA/USBController_XMEGA.c
index df45f7444..8c6f46cad 100644
--- a/LUFA/Drivers/USB/Core/XMEGA/USBController_XMEGA.c
+++ b/LUFA/Drivers/USB/Core/XMEGA/USBController_XMEGA.c
@@ -40,7 +40,7 @@ volatile uint8_t USB_CurrentMode = USB_MODE_None;
volatile uint8_t USB_Options;
#endif
-USB_EP_TABLE_t USB_EndpointTable ATTR_ALIGNED(4);
+USB_EndpointTable_t USB_EndpointTable ATTR_ALIGNED(4);
void USB_Init(
#if defined(USB_CAN_BE_BOTH)
@@ -73,6 +73,7 @@ void USB_Init(
USB.CAL1 = pgm_read_byte(offsetof(NVM_PROD_SIGNATURES_t, USBCAL1));
USB.EPPTR = (intptr_t)&USB_EndpointTable;
+ USB.CTRLA = (USB_STFRNUM_bm | USB_MAXEP_gm);
if ((USB_Options & USB_OPT_BUSEVENT_PRIHIGH) == USB_OPT_BUSEVENT_PRIHIGH)
USB.INTCTRLA = (3 << USB_INTLVL_gp);
diff --git a/LUFA/Drivers/USB/Core/XMEGA/USBController_XMEGA.h b/LUFA/Drivers/USB/Core/XMEGA/USBController_XMEGA.h
index 79e2438be..abaf0578a 100644
--- a/LUFA/Drivers/USB/Core/XMEGA/USBController_XMEGA.h
+++ b/LUFA/Drivers/USB/Core/XMEGA/USBController_XMEGA.h
@@ -57,8 +57,20 @@
/* Private Interface - For use in library only: */
#if !defined(__DOXYGEN__)
+ /* Type Defines: */
+ typedef struct
+ {
+ uint16_t FrameNum;
+ struct
+ {
+ USB_EP_t OUT;
+ USB_EP_t IN;
+ } Endpoints[16];
+ } ATTR_PACKED USB_EndpointTable_t;
+
/* External Variables: */
- extern USB_EP_TABLE_t USB_EndpointTable;
+ extern USB_EndpointTable_t USB_EndpointTable;
+
#endif
/* Includes: */
@@ -90,17 +102,17 @@
/** Sets the USB bus interrupt priority level to be low priority. The USB bus interrupt is used for Start of Frame events, bus suspend
* and resume events, bus reset events and other events related to the management of the USB bus.
*/
- #define USB_OPT_BUSEVENT_PRILOW ((0 << 1) | (0 << 1))
+ #define USB_OPT_BUSEVENT_PRILOW ((0 << 2) | (0 << 1))
/** Sets the USB bus interrupt priority level to be medium priority. The USB bus interrupt is used for Start of Frame events, bus suspend
* and resume events, bus reset events and other events related to the management of the USB bus.
*/
- #define USB_OPT_BUSEVENT_PRIMED ((0 << 1) | (1 << 1))
+ #define USB_OPT_BUSEVENT_PRIMED ((0 << 2) | (1 << 1))
/** Sets the USB bus interrupt priority level to be high priority. The USB bus interrupt is used for Start of Frame events, bus suspend
* and resume events, bus reset events and other events related to the management of the USB bus.
*/
- #define USB_OPT_BUSEVENT_PRIHIGH ((1 << 1) | (0 << 1))
+ #define USB_OPT_BUSEVENT_PRIHIGH ((1 << 2) | (0 << 1))
//@}
#if !defined(USB_STREAM_TIMEOUT_MS) || defined(__DOXYGEN__)
@@ -263,7 +275,7 @@
static inline void USB_Controller_Enable(void) ATTR_ALWAYS_INLINE;
static inline void USB_Controller_Enable(void)
{
- USB.CTRLA |= (USB_ENABLE_bm | USB_STFRNUM_bm | USB_MAXEP_gm);
+ USB.CTRLA |= USB_ENABLE_bm;
}
static inline void USB_Controller_Disable(void) ATTR_ALWAYS_INLINE;
diff --git a/LUFA/Drivers/USB/Core/XMEGA/USBInterrupt_XMEGA.c b/LUFA/Drivers/USB/Core/XMEGA/USBInterrupt_XMEGA.c
index dccdf2e45..62fbf2d91 100644
--- a/LUFA/Drivers/USB/Core/XMEGA/USBInterrupt_XMEGA.c
+++ b/LUFA/Drivers/USB/Core/XMEGA/USBInterrupt_XMEGA.c
@@ -33,7 +33,7 @@
void USB_INT_DisableAllInterrupts(void)
{
- USB.INTCTRLA = 0;
+ USB.INTCTRLA &= USB_INTLVL_gm;
USB.INTCTRLB = 0;
}
diff --git a/LUFA/Drivers/USB/Core/XMEGA/USBInterrupt_XMEGA.h b/LUFA/Drivers/USB/Core/XMEGA/USBInterrupt_XMEGA.h
index c25c5c86e..f27ea6022 100644
--- a/LUFA/Drivers/USB/Core/XMEGA/USBInterrupt_XMEGA.h
+++ b/LUFA/Drivers/USB/Core/XMEGA/USBInterrupt_XMEGA.h
@@ -121,9 +121,9 @@
switch (Interrupt)
{
case USB_INT_BUSEVENTI:
- return (USB.INTCTRLA & USB_BUSEVIE_bm);
+ return ((USB.INTCTRLA & USB_BUSEVIE_bm) ? true : false);
case USB_INT_SOFI:
- return (USB.INTCTRLA & USB_SOFIE_bm);
+ return ((USB.INTCTRLA & USB_SOFIE_bm) ? true : false);
}
return false;
@@ -135,13 +135,13 @@
switch (Interrupt)
{
case USB_INT_BUSEVENTI_Suspend:
- return (USB.INTFLAGSACLR & USB_SUSPENDIF_bm);
+ return ((USB.INTFLAGSACLR & USB_SUSPENDIF_bm) ? true : false);
case USB_INT_BUSEVENTI_Resume:
- return (USB.INTFLAGSACLR & USB_RESUMEIF_bm);
+ return ((USB.INTFLAGSACLR & USB_RESUMEIF_bm) ? true : false);
case USB_INT_BUSEVENTI_Reset:
- return (USB.INTFLAGSACLR & USB_RSTIF_bm);
+ return ((USB.INTFLAGSACLR & USB_RSTIF_bm) ? true : false);
case USB_INT_SOFI:
- return (USB.INTFLAGSACLR & USB_SOFIF_bm);
+ return ((USB.INTFLAGSACLR & USB_SOFIF_bm) ? true : false);
}
return false;
--
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