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Erik Strand
lufa
Commits
cd57e855
Commit
cd57e855
authored
Oct 29, 2010
by
Dean Camera
Browse files
Added new Pipe_GetBusyBanks(), Endpoint_GetBusyBanks() and Endpoint_AbortPendingIN() functions.
parent
b8dfa976
Changes
3
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LUFA/Drivers/USB/LowLevel/Endpoint.h
View file @
cd57e855
...
...
@@ -400,6 +400,35 @@
return
((
UECONX
&
(
1
<<
EPEN
))
?
true
:
false
);
}
/** Aborts all pending IN transactions on the currently selected endpoint, once the bank
* has been queued for transmission to the host via \ref Endpoint_ClearIN(). This function
* will terminate all queued transactions, resetting the endpoint banks ready for a new
* packet.
*
* \ingroup Group_EndpointPacketManagement
*/
static
inline
void
Endpoint_AbortPendingIN
(
void
)
{
while
(
UESTA0X
&
(
0x03
<<
NBUSYBK
))
{
UEINTX
|=
(
1
<<
RXOUTI
);
while
(
UEINTX
&
(
1
<<
RXOUTI
));
}
}
/** Retrieves the number of busy banks in the currently selected endpoint, which have been queued for
* transmission via the \ref Endpoint_ClearIN() command, or are awaiting acknowledgement via the
* \ref Endpoint_ClearOUT() command.
*
* \ingroup Group_EndpointPacketManagement
*
* \return Total number of busy banks in the selected endpoint.
*/
static
inline
uint8_t
Endpoint_GetBusyBanks
(
void
)
{
return
(
UESTA0X
&
(
0x03
<<
NBUSYBK
));
}
/** Determines if the currently selected endpoint may be read from (if data is waiting in the endpoint
* bank and the endpoint is an OUT direction, or if the bank is not yet full if the endpoint is an IN
* direction). This function will return false if an error has occurred in the endpoint, if the endpoint
...
...
LUFA/Drivers/USB/LowLevel/Pipe.h
View file @
cd57e855
...
...
@@ -452,6 +452,19 @@
PIPE_ERRORFLAG_DATATGL
))
|
(
UPSTAX
&
(
PIPE_ERRORFLAG_OVERFLOW
|
PIPE_ERRORFLAG_UNDERFLOW
)));
}
/** Retrieves the number of busy banks in the currently selected pipe, which have been queued for
* transmission via the \ref Pipe_ClearOUT() command, or are awaiting acknowledgement via the
* \ref Pipe_ClearIN() command.
*
* \ingroup Group_PipePacketManagement
*
* \return Total number of busy banks in the selected pipe.
*/
static
inline
uint8_t
Pipe_GetBusyBanks
(
void
)
{
return
(
UPSTAX
&
(
0x03
<<
NBUSYBK
));
}
/** Determines if the currently selected pipe may be read from (if data is waiting in the pipe
* bank and the pipe is an IN direction, or if the bank is not yet full if the pipe is an OUT
...
...
LUFA/ManPages/ChangeLog.txt
View file @
cd57e855
...
...
@@ -31,6 +31,7 @@
* - Added new NO_CLASS_DRIVER_AUTOFLUSH compile time option to disable automatic flushing of interfaces when the USB management
* tasks for each driver is called
* - Added standard keyboard HID report scancode defines (thanks to László Monda)
* - Added new Pipe_GetBusyBanks(), Endpoint_GetBusyBanks() and Endpoint_AbortPendingIN() functions
*
* <b>Changed:</b>
* - Removed complicated logic for the Endpoint_ConfigureEndpoint() function to use inlined or function called versions
...
...
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