1 // Copyright 2020 Espressif Systems (Shanghai) PTE LTD
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
6 //
7 //     http://www.apache.org/licenses/LICENSE-2.0
8 //
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS,
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 // See the License for the specific language governing permissions and
13 // limitations under the License.
14 
15 #include "soc/adc_periph.h"
16 
17 /* Store IO number corresponding to the ADC channel number. */
18 const int adc_channel_io_map[SOC_ADC_PERIPH_NUM][SOC_ADC_MAX_CHANNEL_NUM] = {
19     /* ADC1 */
20     {
21         ADC1_CHANNEL_0_GPIO_NUM, ADC1_CHANNEL_1_GPIO_NUM, ADC1_CHANNEL_2_GPIO_NUM, ADC1_CHANNEL_3_GPIO_NUM, ADC1_CHANNEL_4_GPIO_NUM
22     },
23     /* ADC2 */
24     {
25         ADC2_CHANNEL_0_GPIO_NUM, -1, -1, -1, -1
26     }
27 };
28