84 lines
2.7 KiB
C
84 lines
2.7 KiB
C
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/*
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* This file is part of the Micro Python project, http://micropython.org/
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2015 Josef Gajdusek
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* 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, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include <stdio.h>
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#include <string.h>
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#include "py/nlr.h"
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#include "py/obj.h"
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#include "py/runtime.h"
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#include "user_interface.h"
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const mp_obj_type_t pyb_adc_type;
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typedef struct _pyb_adc_obj_t {
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mp_obj_base_t base;
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bool isvdd;
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} pyb_adc_obj_t;
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STATIC pyb_adc_obj_t pyb_adc_vdd3 = {{&pyb_adc_type}, true};
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STATIC pyb_adc_obj_t pyb_adc_adc = {{&pyb_adc_type}, false};
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STATIC mp_obj_t pyb_adc_make_new(mp_obj_t type_in, mp_uint_t n_args, mp_uint_t n_kw,
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const mp_obj_t *args) {
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mp_arg_check_num(n_args, n_kw, 1, 1, false);
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mp_int_t chn = mp_obj_get_int(args[0]);
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switch (chn) {
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case 0:
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return &pyb_adc_adc;
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case 1:
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return &pyb_adc_vdd3;
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default:
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nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_ValueError,
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"not a valid ADC Channel: %d", chn));
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}
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}
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STATIC mp_obj_t pyb_adc_read(mp_obj_t self_in) {
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pyb_adc_obj_t *adc = self_in;
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if (adc->isvdd) {
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return mp_obj_new_int(system_get_vdd33());
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} else {
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return mp_obj_new_int(system_adc_read());
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}
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_1(pyb_adc_read_obj, pyb_adc_read);
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STATIC const mp_map_elem_t pyb_adc_locals_dict_table[] = {
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{ MP_OBJ_NEW_QSTR(MP_QSTR_read), (mp_obj_t)&pyb_adc_read_obj }
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};
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STATIC MP_DEFINE_CONST_DICT(pyb_adc_locals_dict, pyb_adc_locals_dict_table);
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const mp_obj_type_t pyb_adc_type = {
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{ &mp_type_type },
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.name = MP_QSTR_ADC,
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.make_new = pyb_adc_make_new,
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.locals_dict = (mp_obj_t)&pyb_adc_locals_dict,
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};
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