1 /*
2  * SPDX-FileCopyrightText: 2019-2022 Espressif Systems (Shanghai) CO LTD
3  *
4  * SPDX-License-Identifier: Apache-2.0
5  */
6 
7 #pragma once
8 
9 #include "soc/soc.h"
10 #include "soc/soc_caps.h"
11 #include "soc/adc_channel.h"
12 
13 #ifdef __cplusplus
14 extern "C" {
15 #endif
16 
17 /**
18  * Store IO number corresponding to the ADC channel number.
19  *
20  * @value
21  *      - >=0 : GPIO number index.
22  *      - -1  : Not support.
23  */
24 extern const int adc_channel_io_map[SOC_ADC_PERIPH_NUM][SOC_ADC_MAX_CHANNEL_NUM];
25 
26 #ifdef __cplusplus
27 }
28 #endif
29