4 * \brief GPIO service for SAM.
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6 * Copyright (c) 2011 Atmel Corporation. All rights reserved.
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10 * Redistribution and use in source and binary forms, with or without
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11 * modification, are permitted provided that the following conditions are met:
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13 * 1. Redistributions of source code must retain the above copyright notice,
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14 * this list of conditions and the following disclaimer.
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16 * 2. Redistributions in binary form must reproduce the above copyright notice,
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17 * this list of conditions and the following disclaimer in the documentation
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18 * and/or other materials provided with the distribution.
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20 * 3. The name of Atmel may not be used to endorse or promote products derived
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21 * from this software without specific prior written permission.
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23 * 4. This software may only be redistributed and used in connection with an
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24 * Atmel microcontroller product.
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26 * THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR IMPLIED
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27 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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28 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
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29 * EXPRESSLY AND SPECIFICALLY DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR
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30 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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31 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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32 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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34 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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35 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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36 * POSSIBILITY OF SUCH DAMAGE.
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42 #ifndef SAM_GPIO_H_INCLUDED
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43 #define SAM_GPIO_H_INCLUDED
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45 #include "compiler.h"
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48 #define gpio_pin_is_low(io_id) \
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49 (pio_get_pin_value(io_id) ? 0 : 1)
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51 #define gpio_pin_is_high(io_id) \
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52 (pio_get_pin_value(io_id) ? 1 : 0)
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54 #define gpio_set_pin_high(io_id) \
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55 pio_set_pin_high(io_id)
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57 #define gpio_set_pin_low(io_id) \
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58 pio_set_pin_low(io_id)
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60 #define gpio_toggle_pin(io_id) \
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61 pio_toggle_pin(io_id)
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63 #define gpio_configure_pin(io_id,io_flags) \
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64 pio_configure_pin(io_id,io_flags)
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66 #define gpio_configure_group(port_id,port_mask,io_flags) \
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67 pio_configure_pin_group(port_id,port_mask,io_flags)
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69 #define gpio_set_pin_group_high(port_id,mask) \
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70 pio_set_pin_group_high(port_id,mask)
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72 #define gpio_set_pin_group_low(port_id,mask) \
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73 pio_set_pin_group_low(port_id,mask)
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75 #define gpio_toggle_pin_group(port_id,mask) \
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76 pio_toggle_pin_group(port_id,mask)
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78 #endif /* SAM_GPIO_H_INCLUDED */
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