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Reduce the amount of inlining of core Endpoint functions for XMEGA, to reduce the compiled code size (size/speed tradeoff).

Browse Source
pull/1469/head
Dean Camera 12 years ago
parent 70c59a7e42
commit b6a38164bd
2 changed files with 112 additions and 99 deletions
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104
LUFA/Drivers/USB/Core/XMEGA/Endpoint_XMEGA.c
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@ -48,6 +48,106 @@ volatile uint8_t USB_Endpoint_SelectedEndpoint;
volatile USB_EP_t* USB_Endpoint_SelectedHandle;
volatile Endpoint_FIFO_t* USB_Endpoint_SelectedFIFO;
bool Endpoint_IsINReady(void)
{
Endpoint_SelectEndpoint(USB_Endpoint_SelectedEndpoint | ENDPOINT_DIR_IN);
return ((USB_Endpoint_SelectedHandle->STATUS & USB_EP_BUSNACK0_bm) ? true : false);
}
bool Endpoint_IsOUTReceived(void)
{
Endpoint_SelectEndpoint(USB_Endpoint_SelectedEndpoint & ~ENDPOINT_DIR_IN);
if (USB_Endpoint_SelectedHandle->STATUS & USB_EP_TRNCOMPL0_bm)
{
USB_Endpoint_SelectedFIFO->Length = USB_Endpoint_SelectedHandle->CNT;
return true;
}
return false;
}
bool Endpoint_IsSETUPReceived(void)
{
Endpoint_SelectEndpoint(USB_Endpoint_SelectedEndpoint & ~ENDPOINT_DIR_IN);
if (USB_Endpoint_SelectedHandle->STATUS & USB_EP_SETUP_bm)
{
USB_Endpoint_SelectedFIFO->Length = USB_Endpoint_SelectedHandle->CNT;
return true;
}
return false;
}
void Endpoint_ClearSETUP(void)
{
Endpoint_SelectEndpoint(USB_Endpoint_SelectedEndpoint & ~ENDPOINT_DIR_IN);
USB_Endpoint_SelectedHandle->STATUS &= ~(USB_EP_SETUP_bm | USB_EP_TRNCOMPL0_bm | USB_EP_BUSNACK0_bm | USB_EP_OVF_bm);
USB_Endpoint_SelectedHandle->STATUS |= USB_EP_TOGGLE_bm;
USB_Endpoint_SelectedFIFO->Position = 0;
Endpoint_SelectEndpoint(USB_Endpoint_SelectedEndpoint | ENDPOINT_DIR_IN);
USB_Endpoint_SelectedHandle->STATUS |= USB_EP_TOGGLE_bm;
USB_Endpoint_SelectedFIFO->Position = 0;
}
void Endpoint_ClearIN(void)
{
USB_Endpoint_SelectedHandle->CNT = USB_Endpoint_SelectedFIFO->Position;
USB_Endpoint_SelectedHandle->STATUS &= ~(USB_EP_TRNCOMPL0_bm | USB_EP_BUSNACK0_bm | USB_EP_OVF_bm);
USB_Endpoint_SelectedFIFO->Position = 0;
}
void Endpoint_ClearOUT(void)
{
USB_Endpoint_SelectedHandle->STATUS &= ~(USB_EP_TRNCOMPL0_bm | USB_EP_BUSNACK0_bm | USB_EP_OVF_bm);
USB_Endpoint_SelectedFIFO->Position = 0;
}
void Endpoint_StallTransaction(void)
{
USB_Endpoint_SelectedHandle->CTRL |= USB_EP_STALL_bm;
if ((USB_Endpoint_SelectedHandle->CTRL & USB_EP_TYPE_gm) == USB_EP_TYPE_CONTROL_gc)
{
Endpoint_SelectEndpoint(USB_Endpoint_SelectedEndpoint ^ ENDPOINT_DIR_IN);
USB_Endpoint_SelectedHandle->CTRL |= USB_EP_STALL_bm;
}
}
uint8_t Endpoint_Read_8(void)
{
return USB_Endpoint_SelectedFIFO->Data[USB_Endpoint_SelectedFIFO->Position++];
}
void Endpoint_Write_8(const uint8_t Data)
{
USB_Endpoint_SelectedFIFO->Data[USB_Endpoint_SelectedFIFO->Position++] = Data;
}
void Endpoint_SelectEndpoint(const uint8_t Address)
{
uint8_t EndpointNumber = (Address & ENDPOINT_EPNUM_MASK);
USB_Endpoint_SelectedEndpoint = Address;
Endpoint_FIFOPair_t* EndpointFIFOPair = &USB_Endpoint_FIFOs[EndpointNumber];
USB_EndpointTable_t* EndpointTable = (USB_EndpointTable_t*)USB.EPPTR;
if (Address & ENDPOINT_DIR_IN)
{
USB_Endpoint_SelectedFIFO = &EndpointFIFOPair->IN;
USB_Endpoint_SelectedHandle = &EndpointTable->Endpoints[EndpointNumber].IN;
}
else
{
USB_Endpoint_SelectedFIFO = &EndpointFIFOPair->OUT;
USB_Endpoint_SelectedHandle = &EndpointTable->Endpoints[EndpointNumber].OUT;
}
}
bool Endpoint_ConfigureEndpointTable(const USB_Endpoint_Table_t* const Table,
const uint8_t Entries)
{
@ -55,13 +155,13 @@ bool Endpoint_ConfigureEndpointTable(const USB_Endpoint_Table_t* const Table,
{
if (!(Table[i].Address))
continue;
if (!(Endpoint_ConfigureEndpoint(Table[i].Address, Table[i].Type, Table[i].Size, Table[i].Banks)))
{
return false;
}
}
return true;
}

107
LUFA/Drivers/USB/Core/XMEGA/Endpoint_XMEGA.h
Unescape View File

@ -192,24 +192,7 @@
*
* \param[in] Address Endpoint address to select.
*/
static inline void Endpoint_SelectEndpoint(const uint8_t Address);
static inline void Endpoint_SelectEndpoint(const uint8_t Address)
{
uint8_t EndpointNumber = (Address & ENDPOINT_EPNUM_MASK);
USB_Endpoint_SelectedEndpoint = Address;
if (Address & ENDPOINT_DIR_IN)
{
USB_Endpoint_SelectedFIFO = &USB_Endpoint_FIFOs[EndpointNumber].IN;
USB_Endpoint_SelectedHandle = &((USB_EndpointTable_t*)USB.EPPTR)->Endpoints[EndpointNumber].IN;
}
else
{
USB_Endpoint_SelectedFIFO = &USB_Endpoint_FIFOs[EndpointNumber].OUT;
USB_Endpoint_SelectedHandle = &((USB_EndpointTable_t*)USB.EPPTR)->Endpoints[EndpointNumber].OUT;
}
}
void Endpoint_SelectEndpoint(const uint8_t Address);
/** Configures the specified endpoint address with the given endpoint type, direction, bank size
* and banking mode. Once configured, the endpoint may be read from or written to, depending
@ -369,13 +352,7 @@
*
* \return Boolean \c true if the current endpoint is ready for an IN packet, \c false otherwise.
*/
static inline bool Endpoint_IsINReady(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE;
static inline bool Endpoint_IsINReady(void)
{
Endpoint_SelectEndpoint(USB_Endpoint_SelectedEndpoint | ENDPOINT_DIR_IN);
return ((USB_Endpoint_SelectedHandle->STATUS & USB_EP_BUSNACK0_bm) ? true : false);
}
bool Endpoint_IsINReady(void) ATTR_WARN_UNUSED_RESULT;
/** Determines if the selected OUT endpoint has received new packet from the host.
*
@ -383,19 +360,7 @@
*
* \return Boolean \c true if current endpoint is has received an OUT packet, \c false otherwise.
*/
static inline bool Endpoint_IsOUTReceived(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE;
static inline bool Endpoint_IsOUTReceived(void)
{
Endpoint_SelectEndpoint(USB_Endpoint_SelectedEndpoint & ~ENDPOINT_DIR_IN);
if (USB_Endpoint_SelectedHandle->STATUS & USB_EP_TRNCOMPL0_bm)
{
USB_Endpoint_SelectedFIFO->Length = USB_Endpoint_SelectedHandle->CNT;
return true;
}
return false;
}
bool Endpoint_IsOUTReceived(void) ATTR_WARN_UNUSED_RESULT;
/** Determines if the current CONTROL type endpoint has received a SETUP packet.
*
@ -403,19 +368,7 @@
*
* \return Boolean \c true if the selected endpoint has received a SETUP packet, \c false otherwise.
*/
static inline bool Endpoint_IsSETUPReceived(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE;
static inline bool Endpoint_IsSETUPReceived(void)
{
Endpoint_SelectEndpoint(USB_Endpoint_SelectedEndpoint & ~ENDPOINT_DIR_IN);
if (USB_Endpoint_SelectedHandle->STATUS & USB_EP_SETUP_bm)
{
USB_Endpoint_SelectedFIFO->Length = USB_Endpoint_SelectedHandle->CNT;
return true;
}
return false;
}
bool Endpoint_IsSETUPReceived(void) ATTR_WARN_UNUSED_RESULT;
/** Clears a received SETUP packet on the currently selected CONTROL type endpoint, freeing up the
* endpoint for the next packet.
@ -424,43 +377,21 @@
*
* \note This is not applicable for non CONTROL type endpoints.
*/
static inline void Endpoint_ClearSETUP(void) ATTR_ALWAYS_INLINE;
static inline void Endpoint_ClearSETUP(void)
{
Endpoint_SelectEndpoint(USB_Endpoint_SelectedEndpoint & ~ENDPOINT_DIR_IN);
USB_Endpoint_SelectedHandle->STATUS &= ~(USB_EP_SETUP_bm | USB_EP_TRNCOMPL0_bm | USB_EP_BUSNACK0_bm | USB_EP_OVF_bm);
USB_Endpoint_SelectedHandle->STATUS |= USB_EP_TOGGLE_bm;
USB_Endpoint_SelectedFIFO->Position = 0;
Endpoint_SelectEndpoint(USB_Endpoint_SelectedEndpoint | ENDPOINT_DIR_IN);
USB_Endpoint_SelectedHandle->STATUS |= USB_EP_TOGGLE_bm;
USB_Endpoint_SelectedFIFO->Position = 0;
}
void Endpoint_ClearSETUP(void);
/** Sends an IN packet to the host on the currently selected endpoint, freeing up the endpoint for the
* next packet and switching to the alternative endpoint bank if double banked.
*
* \ingroup Group_EndpointPacketManagement_XMEGA
*/
static inline void Endpoint_ClearIN(void) ATTR_ALWAYS_INLINE;
static inline void Endpoint_ClearIN(void)
{
USB_Endpoint_SelectedHandle->CNT = USB_Endpoint_SelectedFIFO->Position;
USB_Endpoint_SelectedHandle->STATUS &= ~(USB_EP_TRNCOMPL0_bm | USB_EP_BUSNACK0_bm | USB_EP_OVF_bm);
USB_Endpoint_SelectedFIFO->Position = 0;
}
void Endpoint_ClearIN(void);
/** Acknowledges an OUT packet to the host on the currently selected endpoint, freeing up the endpoint
* for the next packet and switching to the alternative endpoint bank if double banked.
*
* \ingroup Group_EndpointPacketManagement_XMEGA
*/
static inline void Endpoint_ClearOUT(void) ATTR_ALWAYS_INLINE;
static inline void Endpoint_ClearOUT(void)
{
USB_Endpoint_SelectedHandle->STATUS &= ~(USB_EP_TRNCOMPL0_bm | USB_EP_BUSNACK0_bm | USB_EP_OVF_bm);
USB_Endpoint_SelectedFIFO->Position = 0;
}
void Endpoint_ClearOUT(void);
/** Stalls the current endpoint, indicating to the host that a logical problem occurred with the
* indicated endpoint and that the current transfer sequence should be aborted. This provides a
@ -473,17 +404,7 @@
*
* \ingroup Group_EndpointPacketManagement_XMEGA
*/
static inline void Endpoint_StallTransaction(void) ATTR_ALWAYS_INLINE;
static inline void Endpoint_StallTransaction(void)
{
USB_Endpoint_SelectedHandle->CTRL |= USB_EP_STALL_bm;
if ((USB_Endpoint_SelectedHandle->CTRL & USB_EP_TYPE_gm) == USB_EP_TYPE_CONTROL_gc)
{
Endpoint_SelectEndpoint(USB_Endpoint_SelectedEndpoint ^ ENDPOINT_DIR_IN);
USB_Endpoint_SelectedHandle->CTRL |= USB_EP_STALL_bm;
}
}
void Endpoint_StallTransaction(void);
/** Clears the STALL condition on the currently selected endpoint.
*
@ -530,11 +451,7 @@
*
* \return Next byte in the currently selected endpoint's FIFO buffer.
*/
static inline uint8_t Endpoint_Read_8(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE;
static inline uint8_t Endpoint_Read_8(void)
{
return USB_Endpoint_SelectedFIFO->Data[USB_Endpoint_SelectedFIFO->Position++];
}
uint8_t Endpoint_Read_8(void) ATTR_WARN_UNUSED_RESULT;
/** Writes one byte to the currently selected endpoint's bank, for IN direction endpoints.
*
@ -542,11 +459,7 @@
*
* \param[in] Data Data to write into the the currently selected endpoint's FIFO buffer.
*/
static inline void Endpoint_Write_8(const uint8_t Data) ATTR_ALWAYS_INLINE;
static inline void Endpoint_Write_8(const uint8_t Data)
{
USB_Endpoint_SelectedFIFO->Data[USB_Endpoint_SelectedFIFO->Position++] = Data;
}
void Endpoint_Write_8(const uint8_t Data);
/** Discards one byte from the currently selected endpoint's bank, for OUT direction endpoints.
*

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