// Copyright 2018-2025 Espressif Systems (Shanghai) PTE LTD
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

#pragma once

#include <stdint.h>
#include "esp_err.h"

#ifdef __cplusplus
extern "C" {
#endif


/**
  * @brief Measure the input voltage of TOUT pin 6, unit : 1/1023 V.
  *
  * @return Input voltage of TOUT pin 6, unit : 1/1023 V
  */
uint16_t adc_read();

#ifdef __cplusplus
}
#endif