1 /* 2 * \file 3 * 4 * \brief SAM Event System Controller Driver 5 * 6 * Copyright (C) 2014-2015 Atmel Corporation. All rights reserved. 7 * 8 * \asf_license_start 9 * 10 * \page License 11 * 12 * Redistribution and use in source and binary forms, with or without 13 * modification, are permitted provided that the following conditions are met: 14 * 15 * 1. Redistributions of source code must retain the above copyright notice, 16 * this list of conditions and the following disclaimer. 17 * 18 * 2. Redistributions in binary form must reproduce the above copyright notice, 19 * this list of conditions and the following disclaimer in the documentation 20 * and/or other materials provided with the distribution. 21 * 22 * 3. The name of Atmel may not be used to endorse or promote products derived 23 * from this software without specific prior written permission. 24 * 25 * 4. This software may only be redistributed and used in connection with an 26 * Atmel microcontroller product. 27 * 28 * THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR IMPLIED 29 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 30 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE 31 * EXPRESSLY AND SPECIFICALLY DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR 32 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 33 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 34 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 35 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 36 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 37 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 38 * POSSIBILITY OF SUCH DAMAGE. 39 * 40 * \asf_license_stop 41 * 42 */ 43 /* 44 * Support and FAQ: visit <a href="http://www.atmel.com/design-support/">Atmel Support</a> 45 */ 46 #ifndef _EVENTS_COMMON_H_INCLUDED_ 47 #define _EVENTS_COMMON_H_INCLUDED_ 48 49 /** 50 * \internal Internal module structure to manage necessary globals 51 * 52 * 53 */ 54 struct _events_module { 55 /* Allocated channels bitmask where 1 means allocated */ 56 volatile uint32_t allocated_channels; 57 /* Free channels */ 58 uint8_t free_channels; 59 60 #if EVENTS_INTERRUPT_HOOKS_MODE == true 61 /* Buffer to store a copy of the current interrupt flags */ 62 volatile uint32_t interrupt_flag_buffer; 63 /* Buffer to store acknowledged interrupt sources */ 64 volatile uint32_t interrupt_flag_ack_buffer; 65 66 /* Interrup hook linked list start pointer */ 67 struct events_hook *hook_list; 68 #endif 69 }; 70 71 #endif 72