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90f819eee2
If the GPIO is in an output state, gpio_init() can return 0 without bad consequences. -1 was return until now. Signed-off-by: Gilles DOFFE <g.doffe@gmail.com>
55 lines
889 B
C
55 lines
889 B
C
/*
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* Copyright (C) 2015 Takuo Yonezawa <Yonezawa-T2@mail.dnp.co.jp>
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*
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* This file is subject to the terms and conditions of the GNU Lesser General
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* Public License v2.1. See the file LICENSE in the top level directory for
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* more details.
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*/
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/**
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* @ingroup cpu_native
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* @ingroup drivers_periph_gpio
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* @{
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*
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* @file
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* @brief empty GPIO implementation
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*
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* @author Takuo Yonezawa <Yonezawa-T2@mail.dnp.co.jp>
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*/
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#include "periph/gpio.h"
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int gpio_init(gpio_t pin, gpio_mode_t mode) {
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(void) pin;
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(void) mode;
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if (mode >= GPIO_OUT)
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return 0;
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else
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return -1;
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}
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int gpio_read(gpio_t pin) {
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(void) pin;
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return 0;
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}
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void gpio_set(gpio_t pin) {
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(void) pin;
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}
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void gpio_clear(gpio_t pin) {
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(void) pin;
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}
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void gpio_toggle(gpio_t pin) {
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(void) pin;
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}
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void gpio_write(gpio_t pin, int value) {
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(void) pin;
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(void) value;
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}
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/** @} */
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