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More USB XMEGA porting for Endpoint control.

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This commit is contained in:
Dean Camera 2011-07-18 07:03:47 +00:00
parent 0c2ad9eb34
commit 69ab85cbc0
3 changed files with 94 additions and 54 deletions
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52
LUFA/Drivers/USB/Core/XMEGA/Endpoint_XMEGA.c
View file

@ -39,27 +39,61 @@
uint8_t USB_Device_ControlEndpointSize = ENDPOINT_CONTROLEP_DEFAULT_SIZE;
#endif
bool Endpoint_ConfigureEndpoint_Prv(const uint8_t Number,
const uint8_t UECFG0XData,
const uint8_t UECFG1XData)
{
return false; // TODO
}
volatile uint8_t Endpoint_SelectedEndpoint;
volatile USB_EP_t* Endpoint_SelectedEndpointHandle;
void Endpoint_ClearEndpoints(void)
{
// TODO
for (uint8_t EPNum = 0; EPNum < (ENDPOINT_TOTAL_ENDPOINTS * 2); EPNum++)
((USB_EP_t*)&USB_EndpointTable)[EPNum].CTRL = 0;
}
void Endpoint_ClearStatusStage(void)
{
// TODO
while (!(Endpoint_IsOUTReceived()))
{
if (USB_DeviceState == DEVICE_STATE_Unattached)
return;
}
Endpoint_ClearOUT();
}
#if !defined(CONTROL_ONLY_DEVICE)
uint8_t Endpoint_WaitUntilReady(void)
{
return 0; // TODO
#if (USB_STREAM_TIMEOUT_MS < 0xFF)
uint8_t TimeoutMSRem = USB_STREAM_TIMEOUT_MS;
#else
uint16_t TimeoutMSRem = USB_STREAM_TIMEOUT_MS;
#endif
uint16_t PreviousFrameNumber = USB_Device_GetFrameNumber();
for (;;)
{
if (Endpoint_IsOUTReceived())
return ENDPOINT_READYWAIT_NoError;
uint8_t USB_DeviceState_LCL = USB_DeviceState;
if (USB_DeviceState_LCL == DEVICE_STATE_Unattached)
return ENDPOINT_READYWAIT_DeviceDisconnected;
else if (USB_DeviceState_LCL == DEVICE_STATE_Suspended)
return ENDPOINT_READYWAIT_BusSuspended;
else if (Endpoint_IsStalled())
return ENDPOINT_READYWAIT_EndpointStalled;
uint16_t CurrentFrameNumber = USB_Device_GetFrameNumber();
if (CurrentFrameNumber != PreviousFrameNumber)
{
PreviousFrameNumber = CurrentFrameNumber;
if (!(TimeoutMSRem--))
return ENDPOINT_READYWAIT_Timeout;
}
}
}
#endif

78
LUFA/Drivers/USB/Core/XMEGA/Endpoint_XMEGA.h
View file

@ -76,6 +76,7 @@
#include "../../../../Common/Common.h"
#include "../USBTask.h"
#include "../USBInterrupt.h"
#include "../USBController.h"
/* Enable C linkage for C++ Compilers: */
#if defined(__cplusplus)
@ -95,6 +96,10 @@
#define ENDPOINT_DETAILS_MAXEP 16
/* External Variables: */
extern volatile uint8_t Endpoint_SelectedEndpoint;
extern volatile USB_EP_t* Endpoint_SelectedEndpointHandle;
/* Inline Functions: */
static inline uint8_t Endpoint_BytesToEPSizeMask(const uint16_t Bytes) ATTR_WARN_UNUSED_RESULT ATTR_CONST
ATTR_ALWAYS_INLINE;
@ -114,10 +119,6 @@
/* Function Prototypes: */
void Endpoint_ClearEndpoints(void);
bool Endpoint_ConfigureEndpoint_Prv(const uint8_t Number,
const uint8_t UECFG0XData,
const uint8_t UECFG1XData);
#endif
/* Public Interface - May be used in end-application: */
@ -127,12 +128,12 @@
/** Endpoint data direction mask for \ref Endpoint_ConfigureEndpoint(). This indicates that the endpoint
* should be initialized in the OUT direction - i.e. data flows from host to device.
*/
#define ENDPOINT_DIR_OUT false
#define ENDPOINT_DIR_OUT ENDPOINT_DESCRIPTOR_DIR_OUT
/** Endpoint data direction mask for \ref Endpoint_ConfigureEndpoint(). This indicates that the endpoint
* should be initialized in the IN direction - i.e. data flows from device to host.
*/
#define ENDPOINT_DIR_IN true
#define ENDPOINT_DIR_IN ENDPOINT_DESCRIPTOR_DIR_IN
//@}
/** \name Endpoint Bank Mode Masks */
@ -149,7 +150,7 @@
* in faster transfers as one USB device (the AVR or the host) can access one bank while the other
* accesses the second bank.
*/
#define ENDPOINT_BANK_DOUBLE USB_EP_BANK_bm
#define ENDPOINT_BANK_DOUBLE USB_EP_PINGPONG_bm
//@}
#if (!defined(FIXED_CONTROL_ENDPOINT_SIZE) || defined(__DOXYGEN__))
@ -212,6 +213,24 @@
};
/* Inline Functions: */
/** Selects the given endpoint number. If the address from the device descriptors is used, the
* value should be masked with the \ref ENDPOINT_EPNUM_MASK constant to extract only the endpoint
* number (and discarding the endpoint direction bit).
*
* Any endpoint operations which do not require the endpoint number to be indicated will operate on
* the currently selected endpoint.
*
* \param[in] EndpointNumber Endpoint number to select.
*/
static inline void Endpoint_SelectEndpoint(const uint8_t EndpointNumber) ATTR_ALWAYS_INLINE;
static inline void Endpoint_SelectEndpoint(const uint8_t EndpointNumber)
{
uint8_t EPTableIndex = ((EndpointNumber & ENDPOINT_EPNUM_MASK) << 1) | ((EndpointNumber & ENDPOINT_DESCRIPTOR_DIR_IN) ? 0x01 : 0);
Endpoint_SelectedEndpoint = EndpointNumber;
Endpoint_SelectedEndpointHandle = &((USB_EP_t*)&USB_EndpointTable)[EPTableIndex];
}
/** Configures the specified endpoint number with the given endpoint type, direction, bank size
* and banking mode. Once configured, the endpoint may be read from or written to, depending
* on its direction.
@ -263,7 +282,9 @@
const uint16_t Size,
const uint8_t Banks)
{
return 0; // TODO
Endpoint_SelectEndpoint(Number | Direction);
Endpoint_SelectedEndpointHandle->CTRL = (Type | Banks | Endpoint_BytesToEPSizeMask(Size));
return true;
}
/** Indicates the number of bytes currently stored in the current endpoint's selected bank.
@ -278,7 +299,7 @@
static inline uint16_t Endpoint_BytesInEndpoint(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE;
static inline uint16_t Endpoint_BytesInEndpoint(void)
{
return 0; // TODO
return (((uint16_t)(Endpoint_SelectedEndpointHandle->CNTH & ~USB_EP_ZLP_bm) << 8) | Endpoint_SelectedEndpointHandle->CNTL);
}
/** Get the endpoint address of the currently selected endpoint. This is typically used to save
@ -290,22 +311,7 @@
static inline uint8_t Endpoint_GetCurrentEndpoint(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE;
static inline uint8_t Endpoint_GetCurrentEndpoint(void)
{
return 0; // TODO
}
/** Selects the given endpoint number. If the address from the device descriptors is used, the
* value should be masked with the \ref ENDPOINT_EPNUM_MASK constant to extract only the endpoint
* number (and discarding the endpoint direction bit).
*
* Any endpoint operations which do not require the endpoint number to be indicated will operate on
* the currently selected endpoint.
*
* \param[in] EndpointNumber Endpoint number to select.
*/
static inline void Endpoint_SelectEndpoint(const uint8_t EndpointNumber) ATTR_ALWAYS_INLINE;
static inline void Endpoint_SelectEndpoint(const uint8_t EndpointNumber)
{
// TODO
return Endpoint_SelectedEndpoint;
}
/** Resets the endpoint bank FIFO. This clears all the endpoint banks and resets the USB controller's
@ -318,7 +324,7 @@
{
// TODO
}
#if 0
/** Enables the currently selected endpoint so that data can be sent and received through it to
* and from a host.
*
@ -338,7 +344,7 @@
{
// TODO
}
#endif
/** Determines if the currently selected endpoint is enabled, but not necessarily configured.
*
* \return Boolean \c true if the currently selected endpoint is enabled, \c false otherwise.
@ -346,7 +352,7 @@
static inline bool Endpoint_IsEnabled(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE;
static inline bool Endpoint_IsEnabled(void)
{
return 0; // TODO
return true;
}
/** Retrieves the number of busy banks in the currently selected endpoint, which have been queued for
@ -399,7 +405,7 @@
static inline bool Endpoint_IsConfigured(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE;
static inline bool Endpoint_IsConfigured(void)
{
return 0; // TODO
return ((Endpoint_SelectedEndpointHandle->CTRL & USB_EP_TYPE_gm) ? true : false);
}
/** Returns a mask indicating which INTERRUPT type endpoints have interrupted - i.e. their
@ -436,7 +442,7 @@
static inline bool Endpoint_IsINReady(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE;
static inline bool Endpoint_IsINReady(void)
{
return 0; // TODO
return (Endpoint_SelectedEndpointHandle->STATUS & USB_EP_TRNCOMPL0_bm);
}
/** Determines if the selected OUT endpoint has received new packet from the host.
@ -448,7 +454,7 @@
static inline bool Endpoint_IsOUTReceived(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE;
static inline bool Endpoint_IsOUTReceived(void)
{
return 0; // TODO
return (Endpoint_SelectedEndpointHandle->STATUS & USB_EP_TRNCOMPL0_bm);
}
/** Determines if the current CONTROL type endpoint has received a SETUP packet.
@ -460,7 +466,7 @@
static inline bool Endpoint_IsSETUPReceived(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE;
static inline bool Endpoint_IsSETUPReceived(void)
{
return 0; // TODO
return (Endpoint_SelectedEndpointHandle->STATUS & USB_EP_SETUP_bm);
}
/** Clears a received SETUP packet on the currently selected CONTROL type endpoint, freeing up the
@ -512,7 +518,7 @@
static inline void Endpoint_StallTransaction(void) ATTR_ALWAYS_INLINE;
static inline void Endpoint_StallTransaction(void)
{
// TODO
Endpoint_SelectedEndpointHandle->CTRL |= USB_EP_STALL_bm;
}
/** Clears the STALL condition on the currently selected endpoint.
@ -522,7 +528,7 @@
static inline void Endpoint_ClearStall(void) ATTR_ALWAYS_INLINE;
static inline void Endpoint_ClearStall(void)
{
// TODO
Endpoint_SelectedEndpointHandle->CTRL &= ~USB_EP_STALL_bm;
}
/** Determines if the currently selected endpoint is stalled, false otherwise.
@ -534,14 +540,14 @@
static inline bool Endpoint_IsStalled(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE;
static inline bool Endpoint_IsStalled(void)
{
return 0; // TODO
return (Endpoint_SelectedEndpointHandle->CTRL & USB_EP_STALL_bm);
}
/** Resets the data toggle of the currently selected endpoint. */
static inline void Endpoint_ResetDataToggle(void) ATTR_ALWAYS_INLINE;
static inline void Endpoint_ResetDataToggle(void)
{
// TODO
Endpoint_SelectedEndpointHandle->STATUS &= ~USB_EP_TOGGLE_bm;
}
/** Determines the currently selected endpoint's direction.

18
LUFA/Drivers/USB/Core/XMEGA/USBController_XMEGA.h
View file

@ -103,31 +103,31 @@
#define USB_OPT_BUSEVENT_PRIHIGH ((1 << 1) | (0 << 1))
//@}
/** \name Endpoint/Pipe Type Masks */
/** \name Endpoint Type Masks */
//@{
/** Mask for a CONTROL type endpoint or pipe.
*
* \note See \ref Group_EndpointManagement and \ref Group_PipeManagement for endpoint/pipe functions.
* \note See \ref Group_EndpointManagement for endpoint functions.
*/
#define EP_TYPE_CONTROL 0x00
#define EP_TYPE_CONTROL USB_EP_TYPE_CONTROL_gc
/** Mask for an ISOCHRONOUS type endpoint or pipe.
*
* \note See \ref Group_EndpointManagement and \ref Group_PipeManagement for endpoint/pipe functions.
* \note See \ref Group_EndpointManagement for endpoint functions.
*/
#define EP_TYPE_ISOCHRONOUS 0x01
#define EP_TYPE_ISOCHRONOUS USB_EP_TYPE_ISOCHRONOUS_gc
/** Mask for a BULK type endpoint or pipe.
*
* \note See \ref Group_EndpointManagement and \ref Group_PipeManagement for endpoint/pipe functions.
* \note See \ref Group_EndpointManagement for endpoint functions.
*/
#define EP_TYPE_BULK 0x02
#define EP_TYPE_BULK USB_EP_TYPE_BULK_gc
/** Mask for an INTERRUPT type endpoint or pipe.
*
* \note See \ref Group_EndpointManagement and \ref Group_PipeManagement for endpoint/pipe functions.
* \note See \ref Group_EndpointManagement for endpoint functions.
*/
#define EP_TYPE_INTERRUPT 0x03
#define EP_TYPE_INTERRUPT USB_EP_TYPE_BULK_gc
//@}
#if !defined(USB_STREAM_TIMEOUT_MS) || defined(__DOXYGEN__)