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builtins.rst

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  • Forked from flow3r / flow3r firmware
    Source project has a limited visibility.
    machine_pinbase.c 2.85 KiB
    /*
     * This file is part of the MicroPython project, http://micropython.org/
     *
     * The MIT License (MIT)
     *
     * Copyright (c) 2016 Paul Sokolovsky
     *
     * Permission is hereby granted, free of charge, to any person obtaining a copy
     * of this software and associated documentation files (the "Software"), to deal
     * in the Software without restriction, including without limitation the rights
     * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
     * copies of the Software, and to permit persons to whom the Software is
     * furnished to do so, subject to the following conditions:
     *
     * The above copyright notice and this permission notice shall be included in
     * all copies or substantial portions of the Software.
     *
     * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
     * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
     * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
     * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
     * THE SOFTWARE.
     */
    
    #include "py/mpconfig.h"
    #if MICROPY_PY_MACHINE
    
    #include "py/obj.h"
    #include "py/runtime.h"
    #include "extmod/virtpin.h"
    
    // PinBase class
    
    // As this is abstract class, its instance is null.
    // But there should be an instance, as the rest of instance code
    // expects that there will be concrete object for inheritance.
    typedef struct _mp_pinbase_t {
        mp_obj_base_t base;
    } mp_pinbase_t;
    
    STATIC const mp_obj_type_t pinbase_type;
    
    STATIC mp_pinbase_t pinbase_singleton = {
        .base = { &pinbase_type },
    };
    
    STATIC mp_obj_t pinbase_make_new(const mp_obj_type_t *type, size_t n_args, size_t n_kw, const mp_obj_t *args) {
        (void)type;
        (void)n_args;
        (void)n_kw;
        (void)args;
        return MP_OBJ_FROM_PTR(&pinbase_singleton);
    }
    
    mp_uint_t pinbase_ioctl(mp_obj_t obj, mp_uint_t request, uintptr_t arg, int *errcode);
    mp_uint_t pinbase_ioctl(mp_obj_t obj, mp_uint_t request, uintptr_t arg, int *errcode) {
        (void)errcode;
        switch (request) {
            case MP_PIN_READ: {
                mp_obj_t dest[2];
                mp_load_method(obj, MP_QSTR_value, dest);
                return mp_obj_get_int(mp_call_method_n_kw(0, 0, dest));
            }
            case MP_PIN_WRITE: {
                mp_obj_t dest[3];
                mp_load_method(obj, MP_QSTR_value, dest);
                dest[2] = (arg == 0 ? mp_const_false : mp_const_true);
                mp_call_method_n_kw(1, 0, dest);
                return 0;
            }
        }
        return -1;
    }
    
    STATIC const mp_pin_p_t pinbase_pin_p = {
        .ioctl = pinbase_ioctl,
    };
    
    const mp_obj_type_t machine_pinbase_type = {
        { &mp_type_type },
        .name = MP_QSTR_PinBase,
        .make_new = pinbase_make_new,
        .protocol = &pinbase_pin_p,
    };
    
    #endif // MICROPY_PY_MACHINE