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