// Copyright 2018 Espressif Systems (Shanghai) PTE LTD
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifndef _SOC_RTC_PERIPH_H
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#define _SOC_RTC_PERIPH_H
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#include <stdint.h>
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#include "soc/rtc_io_reg.h"
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#include "soc/rtc_cntl_reg.h"
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#include "soc/rtc_gpio_channel.h"
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#include "soc/gpio_pins.h"
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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/**
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* @brief Pin function information for a single GPIO pad's RTC functions.
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*
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* This is an internal function of the driver, and is not usually useful
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* for external use.
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*/
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typedef struct {
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uint32_t reg; /*!< Register of RTC pad, or 0 if not an RTC GPIO */
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uint32_t mux; /*!< Bit mask for selecting digital pad or RTC pad */
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uint32_t func; /*!< Shift of pad function (FUN_SEL) field */
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uint32_t ie; /*!< Mask of input enable */
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uint32_t pullup; /*!< Mask of pullup enable */
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uint32_t pulldown; /*!< Mask of pulldown enable */
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uint32_t slpsel; /*!< If slpsel bit is set, slpie will be used as pad input enabled signal in sleep mode */
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uint32_t slpie; /*!< Mask of input enable in sleep mode */
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uint32_t hold; /*!< Mask of hold enable */
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uint32_t hold_force;/*!< Mask of hold_force bit for RTC IO in RTC_CNTL_HOLD_FORCE_REG */
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uint32_t drv_v; /*!< Mask of drive capability */
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uint32_t drv_s; /*!< Offset of drive capability */
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int rtc_num; /*!< RTC IO number, or -1 if not an RTC GPIO */
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} rtc_gpio_desc_t;
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/**
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* @brief Provides access to a constant table of RTC I/O pin
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* function information.
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*
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* This is an internal function of the driver, and is not usually useful
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* for external use.
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*/
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extern const rtc_gpio_desc_t rtc_gpio_desc[GPIO_PIN_COUNT];
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#ifdef __cplusplus
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}
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#endif
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#endif // _SOC_RTC_PERIPH_H
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