239 lines
7.4 KiB
C
239 lines
7.4 KiB
C
// Copyright 2015-2019 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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//
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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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/*******************************************************************************
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* NOTICE
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* The hal is not public api, don't use in application code.
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* See readme.md in soc/include/hal/readme.md
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******************************************************************************/
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// The HAL layer for RTC IO master (common part)
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#pragma once
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#include "hal/rtc_io_ll.h"
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#include <esp_err.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* Select the rtcio function.
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*
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* @note The RTC function must be selected before the pad analog function is enabled.
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* @param rtcio_num The index of rtcio. 0 ~ SOC_RTC_IO_PIN_COUNT.
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* @param func Select pin function.
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*/
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#define rtcio_hal_function_select(rtcio_num, func) rtcio_ll_function_select(rtcio_num, func)
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/**
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* Enable rtcio output.
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*
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* @param rtcio_num The index of rtcio. 0 ~ SOC_RTC_IO_PIN_COUNT.
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*/
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#define rtcio_hal_output_enable(rtcio_num) rtcio_ll_output_enable(rtcio_num)
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/**
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* Disable rtcio output.
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*
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* @param rtcio_num The index of rtcio. 0 ~ SOC_RTC_IO_PIN_COUNT.
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*/
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#define rtcio_hal_output_disable(rtcio_num) rtcio_ll_output_disable(rtcio_num)
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/**
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* Set RTCIO output level.
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*
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* @param rtcio_num The index of rtcio. 0 ~ SOC_RTC_IO_PIN_COUNT.
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* @param level 0: output low; ~0: output high.
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*/
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#define rtcio_hal_set_level(rtcio_num, level) rtcio_ll_set_level(rtcio_num, level)
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/**
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* Enable rtcio input.
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*
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* @param rtcio_num The index of rtcio. 0 ~ SOC_RTC_IO_PIN_COUNT.
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*/
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#define rtcio_hal_input_enable(rtcio_num) rtcio_ll_input_enable(rtcio_num)
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/**
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* Disable rtcio input.
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*
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* @param rtcio_num The index of rtcio. 0 ~ SOC_RTC_IO_PIN_COUNT.
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*/
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#define rtcio_hal_input_disable(rtcio_num) rtcio_ll_input_disable(rtcio_num)
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/**
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* Get RTCIO input level.
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*
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* @param rtcio_num The index of rtcio. 0 ~ SOC_RTC_IO_PIN_COUNT.
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* @return 0: input low; ~0: input high.
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*/
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#define rtcio_hal_get_level(rtcio_num) rtcio_ll_get_level(rtcio_num)
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/**
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* @brief Set RTC GPIO pad drive capability.
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*
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* @param rtcio_num The index of rtcio. 0 ~ SOC_RTC_IO_PIN_COUNT.
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* @param strength Drive capability of the pad. Range: 0 ~ 3.
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*/
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#define rtcio_hal_set_drive_capability(rtcio_num, strength) rtcio_ll_set_drive_capability(rtcio_num, strength)
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/**
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* @brief Get RTC GPIO pad drive capability.
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*
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* @param rtcio_num The index of rtcio. 0 ~ SOC_RTC_IO_PIN_COUNT.
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* @return Drive capability of the pad. Range: 0 ~ 3.
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*/
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#define rtcio_hal_get_drive_capability(rtcio_num) rtcio_ll_get_drive_capability(rtcio_num)
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/**
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* Set RTCIO output level.
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*
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* @param rtcio_num The index of rtcio. 0 ~ SOC_RTC_IO_PIN_COUNT.
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* @param level 0: output low; ~0: output high.
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*/
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#define rtcio_hal_set_level(rtcio_num, level) rtcio_ll_set_level(rtcio_num, level)
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/**
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* Get RTCIO input level.
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*
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* @param rtcio_num The index of rtcio. 0 ~ SOC_RTC_IO_PIN_COUNT.
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* @return 0: input low; ~0: input high.
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*/
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#define rtcio_hal_get_level(rtcio_num) rtcio_ll_get_level(rtcio_num)
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/**
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* Set RTC IO direction.
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*
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* Configure RTC IO direction, such as output only, input only,
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* output and input.
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*
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* @param rtcio_num The index of rtcio. 0 ~ SOC_RTC_IO_PIN_COUNT.
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* @param mode IO direction.
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*/
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void rtcio_hal_set_direction(int rtcio_num, rtc_gpio_mode_t mode);
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/**
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* Set RTC IO direction in deep sleep or disable sleep status.
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*
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* NOTE: ESP32 support INPUT_ONLY mode.
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* ESP32S2 support INPUT_ONLY, OUTPUT_ONLY, INPUT_OUTPUT mode.
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*
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* @param rtcio_num The index of rtcio. 0 ~ SOC_RTC_IO_PIN_COUNT.
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* @param mode IO direction.
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*/
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void rtcio_hal_set_direction_in_sleep(int rtcio_num, rtc_gpio_mode_t mode);
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/**
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* RTC GPIO pullup enable.
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*
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* @param rtcio_num The index of rtcio. 0 ~ SOC_RTC_IO_PIN_COUNT.
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*/
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#define rtcio_hal_pullup_enable(rtcio_num) rtcio_ll_pullup_enable(rtcio_num)
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/**
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* RTC GPIO pullup disable.
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*
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* @param rtcio_num The index of rtcio. 0 ~ SOC_RTC_IO_PIN_COUNT.
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*/
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#define rtcio_hal_pullup_disable(rtcio_num) rtcio_ll_pullup_disable(rtcio_num)
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/**
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* RTC GPIO pulldown enable.
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*
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* @param rtcio_num The index of rtcio. 0 ~ SOC_RTC_IO_PIN_COUNT.
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*/
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#define rtcio_hal_pulldown_enable(rtcio_num) rtcio_ll_pulldown_enable(rtcio_num)
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/**
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* RTC GPIO pulldown disable.
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*
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* @param rtcio_num The index of rtcio. 0 ~ SOC_RTC_IO_PIN_COUNT.
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*/
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#define rtcio_hal_pulldown_disable(rtcio_num) rtcio_ll_pulldown_disable(rtcio_num)
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/**
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* Enable force hold function for RTC IO pad.
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*
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* Enabling HOLD function will cause the pad to lock current status, such as,
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* input/output enable, input/output value, function, drive strength values.
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* This function is useful when going into light or deep sleep mode to prevent
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* the pin configuration from changing.
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*
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* @param rtcio_num The index of rtcio. 0 ~ SOC_RTC_IO_PIN_COUNT.
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*/
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#define rtcio_hal_hold_enable(rtcio_num) rtcio_ll_force_hold_enable(rtcio_num)
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/**
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* Disable hold function on an RTC IO pad
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*
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* @note If disable the pad hold, the status of pad maybe changed in sleep mode.
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* @param rtcio_num The index of rtcio. 0 ~ SOC_RTC_IO_PIN_COUNT.
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*/
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#define rtcio_hal_hold_disable(rtcio_num) rtcio_ll_force_hold_disable(rtcio_num)
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/**
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* Enable force hold function for RTC IO pads.
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*
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* Enabling HOLD function will cause the pad to lock current status, such as,
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* input/output enable, input/output value, function, drive strength values.
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* This function is useful when going into light or deep sleep mode to prevent
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* the pin configuration from changing.
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*
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* @param rtcio_num The index of rtcio. 0 ~ SOC_RTC_IO_PIN_COUNT.
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*/
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#define rtcio_hal_hold_all() rtcio_ll_force_hold_all()
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/**
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* Disable hold function on an RTC IO pads.
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*
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* @note If disable the pad hold, the status of pad maybe changed in sleep mode.
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* @param rtcio_num The index of rtcio. 0 ~ SOC_RTC_IO_PIN_COUNT.
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*/
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#define rtcio_hal_unhold_all() rtcio_ll_force_unhold_all()
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/**
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* Enable wakeup function and set wakeup type from light sleep status for rtcio.
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*
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* @param rtcio_num The index of rtcio. 0 ~ SOC_RTC_IO_PIN_COUNT.
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* @param type Wakeup on high level or low level.
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*/
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#define rtcio_hal_wakeup_enable(rtcio_num, type) rtcio_ll_wakeup_enable(rtcio_num, type)
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/**
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* Disable wakeup function from light sleep status for rtcio.
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*
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* @param rtcio_num The index of rtcio. 0 ~ SOC_RTC_IO_PIN_COUNT.
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*/
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#define rtcio_hal_wakeup_disable(rtcio_num) rtcio_ll_wakeup_disable(rtcio_num)
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/**
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* Helper function to disconnect internal circuits from an RTC IO
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* This function disables input, output, pullup, pulldown, and enables
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* hold feature for an RTC IO.
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* Use this function if an RTC IO needs to be disconnected from internal
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* circuits in deep sleep, to minimize leakage current.
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*
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* In particular, for ESP32-WROVER module, call
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* rtc_gpio_isolate(GPIO_NUM_12) before entering deep sleep, to reduce
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* deep sleep current.
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*
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* @param rtcio_num The index of rtcio. 0 ~ SOC_RTC_IO_PIN_COUNT.
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*/
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void rtcio_hal_isolate(int rtc_num);
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#ifdef __cplusplus
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}
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#endif |