gpio.hpp

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/*
 * Copyright (C) 2026 Kamil Lulko <kamil.lulko@gmail.com>
 *
 * SPDX-License-Identifier: GPL-3.0-or-later
 *
 * This file is part of oveRTOS.
 */
 
#pragma once
 
#include <ove/gpio.h>
#include <ove/types.hpp>
#include <ove/error.hpp>
 
#ifdef CONFIG_OVE_GPIO
 
namespace ove::gpio
{
 
[[nodiscard]] inline Result<void> configure(unsigned int port, unsigned int pin,
                        ove_gpio_mode_t mode) noexcept
{
    return from_rc(ove_gpio_configure(port, pin, mode));
}
 
[[nodiscard]] inline Result<void> set(unsigned int port, unsigned int pin, int value) noexcept
{
    return from_rc(ove_gpio_set(port, pin, value));
}
 
[[nodiscard]] inline Result<int> get(unsigned int port, unsigned int pin) noexcept
{
    const int rc = ove_gpio_get(port, pin);
    if (rc >= 0)
        return rc;
    return std::unexpected{static_cast<Error>(rc)};
}
 
[[nodiscard]] inline Result<void> irq_register(unsigned int port, unsigned int pin,
                           ove_gpio_irq_mode_t mode, ove_gpio_irq_cb callback,
                           void *user_data) noexcept
{
    return from_rc(ove_gpio_irq_register(port, pin, mode, callback, user_data));
}
 
// Undef RTOS macros that collide with our function names
#ifdef irq_enable
#undef irq_enable
#endif
#ifdef irq_disable
#undef irq_disable
#endif
 
[[nodiscard]] inline Result<void> irq_enable(unsigned int port, unsigned int pin) noexcept
{
    return from_rc(ove_gpio_irq_enable(port, pin));
}
 
[[nodiscard]] inline Result<void> irq_disable(unsigned int port, unsigned int pin) noexcept
{
    return from_rc(ove_gpio_irq_disable(port, pin));
}
 
} /* namespace ove::gpio */
 
#endif /* CONFIG_OVE_GPIO */