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