X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/3808f5c36d0ee183e9825e645cc984f1c6047ef5..334f70aa80ecfa05a42c6006cb49d14f05555fa8:/LUFA/Platform/UC3/InterruptManagement.h diff --git a/LUFA/Platform/UC3/InterruptManagement.h b/LUFA/Platform/UC3/InterruptManagement.h index 7441a3011..757bcc601 100644 --- a/LUFA/Platform/UC3/InterruptManagement.h +++ b/LUFA/Platform/UC3/InterruptManagement.h @@ -1,13 +1,13 @@ /* LUFA Library - Copyright (C) Dean Camera, 2012. + Copyright (C) Dean Camera, 2013. dean [at] fourwalledcubicle [dot] com www.lufa-lib.org */ /* - Copyright 2012 Dean Camera (dean [at] fourwalledcubicle [dot] com) + Copyright 2013 Dean Camera (dean [at] fourwalledcubicle [dot] com) Permission to use, copy, modify, distribute, and sell this software and its documentation for any purpose is hereby granted @@ -18,7 +18,7 @@ advertising or publicity pertaining to distribution of the software without specific, written prior permission. - The author disclaim all warranties with regard to this + The author disclaims all warranties with regard to this software, including all implied warranties of merchantability and fitness. In no event shall the author be liable for any special, indirect or consequential damages or any damages @@ -71,7 +71,7 @@ #define _UC3_INTERRUPT_MANAGEMENT_H_ /* Includes: */ - #include + #include "../../Common/Common.h" /* Enable C linkage for C++ Compilers: */ #if defined(__cplusplus) @@ -110,10 +110,19 @@ #define INTC_IRQ_LINE(IRQIndex) (IRQIndex % 32) /* Function Prototypes: */ - /** Initializes the interrupt controller, nulling out all interrupt handlers ready for new registration. This - * function should be called once on startup to ensure the interrupt controller is ready for use. + /** Initializes the interrupt controller ready to handle interrupts. This must be called at the + * start of the user program before any interrupts are registered or enabled. */ - void INTC_Init(void); + void INTC_Init(void); + + /** Retrieves the associated interrupt handler for the interrupt group currently being fired. This + * is called directly from the exception handler routine before dispatching to the ISR. + * + * \param[in] InterruptLevel Priority level of the interrupt. + * + * \return Pointer to the associated interrupt handler function, or NULL if no handler set. + */ + InterruptHandlerPtr_t INTC_GetInterruptHandler(const uint_reg_t InterruptLevel); /* Inline Functions: */ /** Registers a handler for a given interrupt group. On the AVR32 UC3 devices, interrupts are grouped by