61 lines
2.4 KiB
C
61 lines
2.4 KiB
C
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/*
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* This file is part of the MicroPython project, http://micropython.org/
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*
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* Development of the code in this file was sponsored by Microbric Pty Ltd
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2023 Damien P. George
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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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#ifndef MICROPY_INCLUDED_ESP32_ADC_H
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#define MICROPY_INCLUDED_ESP32_ADC_H
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#include "py/runtime.h"
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#include "esp_adc_cal.h"
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#define ADC_ATTEN_MAX SOC_ADC_ATTEN_NUM
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typedef struct _machine_adc_block_obj_t {
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mp_obj_base_t base;
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adc_unit_t unit_id;
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mp_int_t bits;
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adc_bits_width_t width;
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esp_adc_cal_characteristics_t *characteristics[ADC_ATTEN_MAX];
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} machine_adc_block_obj_t;
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typedef struct _machine_adc_obj_t {
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mp_obj_base_t base;
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machine_adc_block_obj_t *block;
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adc_channel_t channel_id;
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gpio_num_t gpio_id;
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} machine_adc_obj_t;
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extern machine_adc_block_obj_t madcblock_obj[];
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void madcblock_bits_helper(machine_adc_block_obj_t *self, mp_int_t bits);
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mp_int_t madcblock_read_helper(machine_adc_block_obj_t *self, adc_channel_t channel_id);
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mp_int_t madcblock_read_uv_helper(machine_adc_block_obj_t *self, adc_channel_t channel_id, adc_atten_t atten);
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const machine_adc_obj_t *madc_search_helper(machine_adc_block_obj_t *block, adc_channel_t channel_id, gpio_num_t gpio_id);
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void madc_init_helper(const machine_adc_obj_t *self, size_t n_pos_args, const mp_obj_t *pos_args, mp_map_t *kw_args);
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#endif // MICROPY_INCLUDED_ESP32_ADC_H
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