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Added new Pipe_GetBusyBanks(), Endpoint_GetBusyBanks() and Endpoint_AbortPendingIN() functions.

This commit is contained in:
Dean Camera 2010-10-29 06:22:03 +00:00
parent b8dfa976ce
commit cd57e855f6
3 changed files with 43 additions and 0 deletions
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29
LUFA/Drivers/USB/LowLevel/Endpoint.h
View File

@ -400,6 +400,35 @@
return ((UECONX & (1 << EPEN)) ? true : false); 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 /** 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 * 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 * direction). This function will return false if an error has occurred in the endpoint, if the endpoint

13
LUFA/Drivers/USB/LowLevel/Pipe.h
View File

@ -453,6 +453,19 @@
(UPSTAX & (PIPE_ERRORFLAG_OVERFLOW | PIPE_ERRORFLAG_UNDERFLOW))); (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 /** 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 * bank and the pipe is an IN direction, or if the bank is not yet full if the pipe is an OUT
* direction). This function will return false if an error has occurred in the pipe, or if the pipe * direction). This function will return false if an error has occurred in the pipe, or if the pipe

1
LUFA/ManPages/ChangeLog.txt
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@ -31,6 +31,7 @@
* - Added new NO_CLASS_DRIVER_AUTOFLUSH compile time option to disable automatic flushing of interfaces when the USB management * - 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 * tasks for each driver is called
* - Added standard keyboard HID report scancode defines (thanks to László Monda) * - Added standard keyboard HID report scancode defines (thanks to László Monda)
* - Added new Pipe_GetBusyBanks(), Endpoint_GetBusyBanks() and Endpoint_AbortPendingIN() functions
* *
* <b>Changed:</b> * <b>Changed:</b>
* - Removed complicated logic for the Endpoint_ConfigureEndpoint() function to use inlined or function called versions * - Removed complicated logic for the Endpoint_ConfigureEndpoint() function to use inlined or function called versions