73 lines
2.5 KiB
C
73 lines
2.5 KiB
C
/*
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* Copyright (C) 2016, Intel Corporation. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* 3. Neither the name of the copyright holder nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "galileo-gpio.h"
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#include <assert.h>
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#include "gpio.h"
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/* Must be implemented in board-specific pinmux file to map a board-level GPIO
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* pin number to the corresponding CPU GPIO pin number.
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*
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* The return value should always be a positive number. An assertion within the
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* function should check the validity of the pin number.
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*/
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int galileo_brd_to_cpu_gpio_pin(unsigned pin, bool *sus);
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static int
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brd_to_cpu_pin(unsigned pin)
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{
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int cpu_pin;
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bool sus;
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cpu_pin = galileo_brd_to_cpu_gpio_pin(pin, &sus);
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assert(!sus);
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return cpu_pin;
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}
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void galileo_gpio_config(uint8_t pin, int flags)
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{
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assert(quarkX1000_gpio_config(brd_to_cpu_pin(pin), flags) == 0);
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}
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/**
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* \brief Read from GPIO.
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* \param pin Board-level IO pin number.
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*/
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void galileo_gpio_read(uint8_t pin, uint8_t *value)
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{
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assert(quarkX1000_gpio_read(brd_to_cpu_pin(pin), value) == 0);
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}
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void galileo_gpio_write(uint8_t pin, uint8_t value)
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{
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assert(quarkX1000_gpio_write(brd_to_cpu_pin(pin), value) == 0);
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}
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