1 // Copyright 2019 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 #pragma once
16 
17 /** RTCIO output/input mode type. */
18 typedef enum {
19     RTC_GPIO_MODE_INPUT_ONLY ,  /*!< Pad input */
20     RTC_GPIO_MODE_OUTPUT_ONLY,  /*!< Pad output */
21     RTC_GPIO_MODE_INPUT_OUTPUT, /*!< Pad input + output */
22     RTC_GPIO_MODE_DISABLED,     /*!< Pad (output + input) disable */
23     RTC_GPIO_MODE_OUTPUT_OD,    /*!< Pad open-drain output */
24     RTC_GPIO_MODE_INPUT_OUTPUT_OD, /*!< Pad input + open-drain output */
25 } rtc_gpio_mode_t;
26