/*
 * SPDX-FileCopyrightText: 2024 Espressif Systems (Shanghai) CO LTD
 *
 * SPDX-License-Identifier: Apache-2.0
 */

#pragma once

#include <stdlib.h>
#include "esp_log.h"
#include "esp_adc/adc_cali.h"
#include "esp_adc/adc_oneshot.h"

#ifdef __cplusplus
extern "C" {
#endif

/**
 * @brief Supported circuit mode
 *
 */
typedef enum {
    CIRCUIT_MODE_NTC_VCC = 1,         // Vcc  --------> Rt  --------> Rref  --------> GND
    CIRCUIT_MODE_NTC_GND = 2,         // Vcc  --------> Rref  --------> Rt  --------> GND
} ntc_circuit_mode_t;

/**
 * @brief NTC config data type
 */
typedef struct {
    ntc_circuit_mode_t circuit_mode;          /*!< ntc circuit mode */
    adc_unit_t unit;                          /*!< adc unit */
    adc_atten_t atten;                        /*!< adc atten */
    adc_channel_t channel;                    /*!< adc channel */
    uint32_t b_value;                         /*!< beta value of NTC (K) */
    uint32_t r25_ohm;                         /*!< 25℃ resistor value of NTC (K) */
    uint32_t fixed_ohm;                       /*!< fixed resistor value (Ω) */
    uint32_t vdd_mv;                          /*!< vdd voltage (mv) */
} ntc_config_t;

typedef void *ntc_device_handle_t;

/**
 * @brief Initialize the NTC and ADC channel config
 *
 * @param config
 * @param ntc_handle A ntc driver handle
 * @param adc_handle A adc handle
 *
 * @return
 *      - ESP_OK  Success
 *      - ESP_FAIL Failure
 */
esp_err_t ntc_dev_create(ntc_config_t *config, ntc_device_handle_t *ntc_handle, adc_oneshot_unit_handle_t *adc_handle);

/**
 * @brief Get the adc handle
 *
 * @param ntc_handle A ntc driver handle
 * @param adc_handle A adc handle
 *
 * @return
 *      - ESP_OK  Success
 *      - ESP_FAIL Failure
 */
esp_err_t ntc_dev_get_adc_handle(ntc_device_handle_t ntc_handle, adc_oneshot_unit_handle_t *adc_handle);

/**
 * @brief Delete ntc driver device and  ntc detect device
 *
 * @param ntc_handle A ntc driver handle
 *
 * @return
 *      - ESP_OK  Success
 *      - ESP_FAIL Failure
 */
esp_err_t ntc_dev_delete(ntc_device_handle_t ntc_handle);

/**
 * @brief Get the ntc temperature
 *
 * @param ntc_handle A ntc driver handle
 * @param temperature NTC temperature
 *
 * @return
 *      - ESP_OK  Success
 *      - ESP_FAIL Failure
 *
 */
esp_err_t ntc_dev_get_temperature(ntc_device_handle_t ntc_handle, float *temperature);

#ifdef __cplusplus
}
#endif