7abd8f5529
* Will not unexport if the context did not export it. Can be forced. * Checks if pin is already exported. Signed-off-by: Thomas Ingleby <thomas.c.ingleby@intel.com> Signed-off-by: Brendan Le Foll <brendan.le.foll@intel.com>
102 lines
2.9 KiB
C++
102 lines
2.9 KiB
C++
/*
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* Author: Brendan Le Foll <brendan.le.foll@intel.com>
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* Copyright (c) 2014 Intel Corporation.
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#pragma once
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/** @file
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*
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* This file defines the gpio C++ interface for libmaa
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*
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*/
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#include "gpio.h"
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namespace maa {
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// These enums must match the enums in gpio.h
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typedef enum {
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MODE_STRONG = 0,
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MODE_PULLUP = 1,
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MODE_PULLDOWN = 2,
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MODE_HIZ = 3
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} Mode;
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typedef enum {
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DIR_OUT = 0,
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DIR_IN = 1
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} Dir;
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typedef enum {
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EDGE_NONE = 0,
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EDGE_BOTH = 1,
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EDGE_RISING = 2,
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EDGE_FALLING = 3
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} Edge;
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class Gpio {
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public:
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Gpio(int pin, bool owner=true, bool raw=false) {
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if (raw)
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m_gpio = maa_gpio_init_raw(pin);
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else
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m_gpio = maa_gpio_init(pin);
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if (!owner)
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maa_gpio_owner(m_gpio, 0);
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}
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~Gpio() {
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maa_result_t x = maa_gpio_close(m_gpio);
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}
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maa_result_t edge(Edge mode) {
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return maa_gpio_edge_mode(m_gpio, (gpio_edge_t) mode);
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}
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#if defined(SWIGPYTHON)
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maa_result_t isr(Edge mode, PyObject *pyfunc) {
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return maa_gpio_isr(m_gpio, (gpio_edge_t) mode, (void (*) ()) pyfunc);
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}
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#else
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maa_result_t isr(Edge mode, void (*fptr)(void)) {
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return maa_gpio_isr(m_gpio, (gpio_edge_t) mode, fptr);
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}
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#endif
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maa_result_t isr_exit() {
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return maa_gpio_isr_exit(m_gpio);
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}
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maa_result_t mode(Mode mode) {
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return maa_gpio_mode(m_gpio, (gpio_mode_t) mode);
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}
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maa_result_t dir(Dir dir) {
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return maa_gpio_dir(m_gpio, (gpio_dir_t) dir);
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}
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int read() {
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return maa_gpio_read(m_gpio);
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}
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int write(int value) {
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return maa_gpio_write(m_gpio, value);
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}
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private:
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maa_gpio_context m_gpio;
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};
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}
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