diff --git a/LUFA/Drivers/USB/LowLevel/Host.c b/LUFA/Drivers/USB/LowLevel/Host.c index ae7525bee7..3d99b25947 100644 --- a/LUFA/Drivers/USB/LowLevel/Host.c +++ b/LUFA/Drivers/USB/LowLevel/Host.c @@ -187,7 +187,6 @@ void USB_Host_ProcessNextHostState(void) EVENT_USB_DeviceEnumerationComplete(); USB_HostState = HOST_STATE_Addressed; - break; } diff --git a/LUFA/Drivers/USB/LowLevel/Pipe.c b/LUFA/Drivers/USB/LowLevel/Pipe.c index 7d3e87602e..0a32f183b5 100644 --- a/LUFA/Drivers/USB/LowLevel/Pipe.c +++ b/LUFA/Drivers/USB/LowLevel/Pipe.c @@ -70,6 +70,22 @@ void Pipe_ClearPipes(void) } } +bool Pipe_IsEndpointBound(uint8_t EndpointAddress) +{ + uint8_t PrevPipeNumber = Pipe_GetPipeNumber(); + + for (uint8_t PNum = 0; PNum < PIPE_TOTAL_PIPES; PNum++) + { + Pipe_SelectPipe(PNum); + + if (Pipe_IsConfigured() && (Pipe_BoundEndpointAddress() == EndpointAddress)) + return true; + } + + Pipe_SelectPipe(PrevPipeNumber); + return false; +} + uint8_t Pipe_WaitUntilReady(void) { #if (USB_STREAM_TIMEOUT_MS < 0xFF) diff --git a/LUFA/Drivers/USB/LowLevel/Pipe.h b/LUFA/Drivers/USB/LowLevel/Pipe.h index fae8105ff5..b6fad51466 100644 --- a/LUFA/Drivers/USB/LowLevel/Pipe.h +++ b/LUFA/Drivers/USB/LowLevel/Pipe.h @@ -257,6 +257,13 @@ */ static inline bool Pipe_IsConfigured(void); + /** Retrieves the endpoint number of the endpoint within the attached device that the currently selected + * pipe is bound to. + * + * \return Endpoint number the currently selected pipe is bound to + */ + static inline uint8_t Pipe_BoundEndpointNumber(void); + /** Sets the period between interrupts for an INTERRUPT type pipe to a specified number of milliseconds. * * \param[in] Milliseconds Number of milliseconds between each pipe poll @@ -427,6 +434,8 @@ #define Pipe_IsConfigured() ((UPSTAX & (1 << CFGOK)) ? true : false) + #define Pipe_BoundEndpointNumber() ((UPCFG0X >> PEPNUM0) & PIPE_EPNUM_MASK) + #define Pipe_SetInterruptPeriod(ms) MACROS{ UPCFG2X = ms; }MACROE #define Pipe_GetPipeInterrupts() UPINT @@ -764,14 +773,23 @@ bool Pipe_ConfigurePipe(const uint8_t Number, const uint8_t Type, const uint8_t Token, const uint8_t EndpointNumber, const uint16_t Size, const uint8_t Banks); - /** Spinloops until the currently selected non-control pipe is ready for the next packed of data - * to be read or written to it. + /** Spinloops until the currently selected non-control pipe is ready for the next packed of data to be read + * or written to it, aborting in the case of an error condition (such as a timeout or device disconnect). * * \ingroup Group_PipeRW * * \return A value from the Pipe_WaitUntilReady_ErrorCodes_t enum. */ - uint8_t Pipe_WaitUntilReady(void); + uint8_t Pipe_WaitUntilReady(void); + + /** Determines if a pipe has been bound to the given device endpoint address. If a pipe which is bound to the given + * endpoint is found, it is automatically selected. + * + * \param EndpointAddress Address of the endpoint within the attached device to check + * + * \return Boolean true if a pipe bound to the given endpoint address is found, false otherwise + */ + bool Pipe_IsEndpointBound(uint8_t EndpointAddress); /** Reads and discards the given number of bytes from the pipe, discarding fully read packets from the host * as needed. The last packet is not automatically discarded once the remaining bytes has been read; the diff --git a/LUFA/ManPages/ChangeLog.txt b/LUFA/ManPages/ChangeLog.txt index eb6c89ebfe..f96168f37d 100644 --- a/LUFA/ManPages/ChangeLog.txt +++ b/LUFA/ManPages/ChangeLog.txt @@ -33,6 +33,7 @@ * - Added new Endpoint_ClearStatusStage() convenience function to assist with the status stages of control transfers * - Added new Benito Arduino Programmer project * - Added new LEDs_ToggleLEDs() function to the LEDs driver + * - Added new Pipe_BoundEndpointNumber() and Pipe_IsEndpointBound() functions * * Changed: * - Deprecated psuedo-scheduler and removed dynamic memory allocator from the library (first no longer needed and second unused)