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34 results

board.c

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  • Forked from card10 / firmware
    Source project has a limited visibility.
    modpybadc.c 2.68 KiB
    /*
     * This file is part of the Micro Python project, http://micropython.org/
     *
     * The MIT License (MIT)
     *
     * Copyright (c) 2015 Josef Gajdusek
     *
     * 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 <stdio.h>
    #include <string.h>
    
    #include "py/nlr.h"
    #include "py/obj.h"
    #include "py/runtime.h"
    #include "user_interface.h"
    
    const mp_obj_type_t pyb_adc_type;
    
    typedef struct _pyb_adc_obj_t {
        mp_obj_base_t base;
        bool isvdd;
    } pyb_adc_obj_t;
    
    STATIC pyb_adc_obj_t pyb_adc_vdd3 = {{&pyb_adc_type}, true};
    STATIC pyb_adc_obj_t pyb_adc_adc = {{&pyb_adc_type}, false};
    
    STATIC mp_obj_t pyb_adc_make_new(const mp_obj_type_t *type_in, mp_uint_t n_args, mp_uint_t n_kw,
        const mp_obj_t *args) {
        mp_arg_check_num(n_args, n_kw, 1, 1, false);
    
        mp_int_t chn = mp_obj_get_int(args[0]);
    
        switch (chn) {
        case 0:
            return &pyb_adc_adc;
        case 1:
            return &pyb_adc_vdd3;
        default:
            nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_ValueError,
                "not a valid ADC Channel: %d", chn));
        }
    }
    
    STATIC mp_obj_t pyb_adc_read(mp_obj_t self_in) {
        pyb_adc_obj_t *adc = self_in;
    
        if (adc->isvdd) {
            return mp_obj_new_int(system_get_vdd33());
        } else {
            return mp_obj_new_int(system_adc_read());
        }
    }
    STATIC MP_DEFINE_CONST_FUN_OBJ_1(pyb_adc_read_obj, pyb_adc_read);
    
    STATIC const mp_map_elem_t pyb_adc_locals_dict_table[] = {
        { MP_OBJ_NEW_QSTR(MP_QSTR_read), (mp_obj_t)&pyb_adc_read_obj }
    };
    STATIC MP_DEFINE_CONST_DICT(pyb_adc_locals_dict, pyb_adc_locals_dict_table);
    
    const mp_obj_type_t pyb_adc_type = {
        { &mp_type_type },
        .name = MP_QSTR_ADC,
        .make_new = pyb_adc_make_new,
        .locals_dict = (mp_obj_t)&pyb_adc_locals_dict,
    };