1 /** 2 * \file 3 * 4 * \brief GPIO service for SAM. 5 * 6 * Copyright (c) 2011-2015 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 47 #ifndef SAM_GPIO_H_INCLUDED 48 #define SAM_GPIO_H_INCLUDED 49 50 #include "compiler.h" 51 #include "pio.h" 52 53 #define gpio_pin_is_low(io_id) \ 54 (pio_get_pin_value(io_id) ? 0 : 1) 55 56 #define gpio_pin_is_high(io_id) \ 57 (pio_get_pin_value(io_id) ? 1 : 0) 58 59 #define gpio_set_pin_high(io_id) \ 60 pio_set_pin_high(io_id) 61 62 #define gpio_set_pin_low(io_id) \ 63 pio_set_pin_low(io_id) 64 65 #define gpio_toggle_pin(io_id) \ 66 pio_toggle_pin(io_id) 67 68 #define gpio_configure_pin(io_id,io_flags) \ 69 pio_configure_pin(io_id,io_flags) 70 71 #define gpio_configure_group(port_id,port_mask,io_flags) \ 72 pio_configure_pin_group(port_id,port_mask,io_flags) 73 74 #define gpio_set_pin_group_high(port_id,mask) \ 75 pio_set_pin_group_high(port_id,mask) 76 77 #define gpio_set_pin_group_low(port_id,mask) \ 78 pio_set_pin_group_low(port_id,mask) 79 80 #define gpio_toggle_pin_group(port_id,mask) \ 81 pio_toggle_pin_group(port_id,mask) 82 83 #endif /* SAM_GPIO_H_INCLUDED */ 84