Copyright 2023 Travis J. West, Input Devices and Music Interaction Laboratory (IDMIL), Centre for Interdisciplinary Research in Music Media and Technology (CIRMMT), McGill University, Montréal, Canada, and Univ. Lille, Inria, CNRS, Centrale Lille, UMR 9189 CRIStAL, F-59000 Lille, France

SPDX-License-Identifier: MIT

Introductory prose goes here.

Remember to add your new component to the top level CMakeLists.txt!

I repeat: Remember to add your new component to the top level CMakeLists.txt!

// @#'sygsr-button.hpp'
#pragma once
/*
Copyright 2023 Travis J. West, Input Devices and Music Interaction Laboratory
(IDMIL), Centre for Interdisciplinary Research in Music Media and Technology
(CIRMMT), McGill University, Montréal, Canada, and Univ. Lille, Inria, CNRS,
Centrale Lille, UMR 9189 CRIStAL, F-59000 Lille, France
 
SPDX-License-Identifier: MIT
*/
 
#include "sygsp-button.hpp"
 
namespace sygaldry { namespace sygsr {
 
 
 
template<unsigned int pin_number, sygsp::ButtonActive active_level = sygsp::ButtonActive::Low>
struct Button : sygsp::ButtonGestureModel
, name_<"Button">
, description_<"A single button attached to a GPIO">
, author_<"Travis J. West">
, copyright_<"Copyright 2023 Sygaldry Contributors">
, license_<"SPDX-License-Identifier: MIT">
, version_<"0.0.0">
{
    static_assert(0 <= pin_number && pin_number <= 29);
 
    void init()
    {
        gpio_init(pin_number);
        gpio_set_dir(pin_number, false); // input mode
        if constexpr (active_level == sygsp::ButtonActive::Low) gpio_pull_up(pin_number);
        else gpio_pull_down(pin_number);
    }
 
    void operator()()
    {
        inputs.button_state = (char)gpio_get(pin_number) == (char)active_level;
        ButtonGestureModel::operator()();
    }
};
 
 
} }
// @/

# @#'CMakeLists.txt'
set(lib sygsr-button)
add_library(${lib} INTERFACE)
target_include_directories(${lib} INTERFACE .)
target_link_libraries(${lib}
        INTERFACE sygah-metadata
        INTERFACE sygsp-button
        INTERFACE hardware_gpio
        )
# @/