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