1 /** 2 * \file 3 * 4 * \brief SAM External Interrupt Driver 5 * 6 * Copyright (C) 2012-2015 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 EXTINT_CALLBACK_H_INCLUDED 47 #define EXTINT_CALLBACK_H_INCLUDED 48 49 #include <compiler.h> 50 51 #ifdef __cplusplus 52 extern "C" { 53 #endif 54 55 /** 56 * \addtogroup asfdoc_sam0_extint_group 57 * 58 * @{ 59 */ 60 61 /** \name Callback Configuration and Initialization 62 * @{ 63 */ 64 65 /** Enum for the possible callback types for the EXTINT module. */ 66 enum extint_callback_type 67 { 68 /** Callback type for when an external interrupt detects the configured 69 * channel criteria (i.e. edge or level detection) 70 */ 71 EXTINT_CALLBACK_TYPE_DETECT, 72 }; 73 74 enum status_code extint_register_callback( 75 const extint_callback_t callback, 76 const uint8_t channel, 77 const enum extint_callback_type type); 78 79 enum status_code extint_unregister_callback( 80 const extint_callback_t callback, 81 const uint8_t channel, 82 const enum extint_callback_type type); 83 84 uint8_t extint_get_current_channel(void); 85 86 /** @} */ 87 88 /** \name Callback Enabling and Disabling (Channel) 89 * @{ 90 */ 91 92 enum status_code extint_chan_enable_callback( 93 const uint8_t channel, 94 const enum extint_callback_type type); 95 96 enum status_code extint_chan_disable_callback( 97 const uint8_t channel, 98 const enum extint_callback_type type); 99 100 /** @} */ 101 102 /** @} */ 103 104 #ifdef __cplusplus 105 } 106 #endif 107 108 #endif 109