esp-idf/components/hal/include/hal/rtc_io_hal.h

334 lines
10 KiB
C

/*
* SPDX-FileCopyrightText: 2015-2024 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
/*******************************************************************************
* NOTICE
* The hal is not public api, don't use in application code.
* See readme.md in hal/include/hal/readme.md
******************************************************************************/
// The HAL layer for RTC IO master (common part)
#pragma once
#include <esp_err.h>
#include "sdkconfig.h"
#include "soc/soc_caps.h"
#if SOC_RTCIO_PIN_COUNT > 0
#include "soc/rtc_io_periph.h"
#include "hal/rtc_io_ll.h"
#if SOC_RTCIO_INPUT_OUTPUT_SUPPORTED
#include "hal/rtc_io_types.h"
#endif
#endif //SOC_RTCIO_PIN_COUNT > 0
#ifdef __cplusplus
extern "C" {
#endif
#if SOC_RTCIO_PIN_COUNT > 0
#if SOC_LP_IO_CLOCK_IS_INDEPENDENT
/**
* Enable rtcio module clock.
*/
#define rtcio_hal_enable_io_clock(enable) rtcio_ll_output_enable(enable)
#endif
/**
* Select the rtcio function.
*
* @note The RTC function must be selected before the pad analog function is enabled.
* @param rtcio_num The index of rtcio. 0 ~ SOC_RTCIO_PIN_COUNT.
* @param func Select pin function.
*/
#define rtcio_hal_function_select(rtcio_num, func) rtcio_ll_function_select(rtcio_num, func)
#if SOC_RTCIO_INPUT_OUTPUT_SUPPORTED
/**
* Enable rtcio output.
*
* @param rtcio_num The index of rtcio. 0 ~ SOC_RTCIO_PIN_COUNT.
*/
#define rtcio_hal_output_enable(rtcio_num) rtcio_ll_output_enable(rtcio_num)
/**
* Disable rtcio output.
*
* @param rtcio_num The index of rtcio. 0 ~ SOC_RTCIO_PIN_COUNT.
*/
#define rtcio_hal_output_disable(rtcio_num) rtcio_ll_output_disable(rtcio_num)
/**
* Set RTCIO output level.
*
* @param rtcio_num The index of rtcio. 0 ~ SOC_RTCIO_PIN_COUNT.
* @param level 0: output low; ~0: output high.
*/
#define rtcio_hal_set_level(rtcio_num, level) rtcio_ll_set_level(rtcio_num, level)
/**
* Enable rtcio input.
*
* @param rtcio_num The index of rtcio. 0 ~ SOC_RTCIO_PIN_COUNT.
*/
#define rtcio_hal_input_enable(rtcio_num) rtcio_ll_input_enable(rtcio_num)
/**
* Disable rtcio input.
*
* @param rtcio_num The index of rtcio. 0 ~ SOC_RTCIO_PIN_COUNT.
*/
#define rtcio_hal_input_disable(rtcio_num) rtcio_ll_input_disable(rtcio_num)
/**
* Get RTCIO input level.
*
* @param rtcio_num The index of rtcio. 0 ~ SOC_RTCIO_PIN_COUNT.
* @return 0: input low; ~0: input high.
*/
#define rtcio_hal_get_level(rtcio_num) rtcio_ll_get_level(rtcio_num)
/**
* @brief Set RTC GPIO pad drive capability.
*
* @param rtcio_num The index of rtcio. 0 ~ SOC_RTCIO_PIN_COUNT.
* @param strength Drive capability of the pad. Range: 0 ~ 3.
*/
#define rtcio_hal_set_drive_capability(rtcio_num, strength) rtcio_ll_set_drive_capability(rtcio_num, strength)
/**
* @brief Get RTC GPIO pad drive capability.
*
* @param rtcio_num The index of rtcio. 0 ~ SOC_RTCIO_PIN_COUNT.
* @return Drive capability of the pad. Range: 0 ~ 3.
*/
#define rtcio_hal_get_drive_capability(rtcio_num) rtcio_ll_get_drive_capability(rtcio_num)
/**
* Set RTCIO output level.
*
* @param rtcio_num The index of rtcio. 0 ~ SOC_RTCIO_PIN_COUNT.
* @param level 0: output low; ~0: output high.
*/
#define rtcio_hal_set_level(rtcio_num, level) rtcio_ll_set_level(rtcio_num, level)
/**
* Get RTCIO input level.
*
* @param rtcio_num The index of rtcio. 0 ~ SOC_RTCIO_PIN_COUNT.
* @return 0: input low; ~0: input high.
*/
#define rtcio_hal_get_level(rtcio_num) rtcio_ll_get_level(rtcio_num)
/**
* Set RTC IO direction.
*
* Configure RTC IO direction, such as output only, input only,
* output and input.
*
* @param rtcio_num The index of rtcio. 0 ~ SOC_RTCIO_PIN_COUNT.
* @param mode IO direction.
*/
void rtcio_hal_set_direction(int rtcio_num, rtc_gpio_mode_t mode);
/**
* Set RTC IO direction in deep sleep or disable sleep status.
*
* NOTE: ESP32 supports INPUT_ONLY mode.
* The rest targets support INPUT_ONLY, OUTPUT_ONLY, INPUT_OUTPUT mode.
*
* @param rtcio_num The index of rtcio. 0 ~ SOC_RTCIO_PIN_COUNT.
* @param mode IO direction.
*/
void rtcio_hal_set_direction_in_sleep(int rtcio_num, rtc_gpio_mode_t mode);
/**
* RTC GPIO pullup enable.
*
* @param rtcio_num The index of rtcio. 0 ~ SOC_RTCIO_PIN_COUNT.
*/
#define rtcio_hal_pullup_enable(rtcio_num) rtcio_ll_pullup_enable(rtcio_num)
/**
* RTC GPIO pullup disable.
*
* @param rtcio_num The index of rtcio. 0 ~ SOC_RTCIO_PIN_COUNT.
*/
#define rtcio_hal_pullup_disable(rtcio_num) rtcio_ll_pullup_disable(rtcio_num)
/**
* RTC GPIO pulldown enable.
*
* @param rtcio_num The index of rtcio. 0 ~ SOC_RTCIO_PIN_COUNT.
*/
#define rtcio_hal_pulldown_enable(rtcio_num) rtcio_ll_pulldown_enable(rtcio_num)
/**
* RTC GPIO pulldown disable.
*
* @param rtcio_num The index of rtcio. 0 ~ SOC_RTCIO_PIN_COUNT.
*/
#define rtcio_hal_pulldown_disable(rtcio_num) rtcio_ll_pulldown_disable(rtcio_num)
/**
* Select a RTC IOMUX function for the RTC IO
*
* @param rtcio_num The index of rtcio. 0 ~ SOC_RTCIO_PIN_COUNT.
* @param func Function to assign to the pin
*/
#define rtcio_hal_iomux_func_sel(rtcio_num, func) rtcio_ll_iomux_func_sel(rtcio_num, func)
#if SOC_LP_GPIO_MATRIX_SUPPORTED
/**
* Select RTC GPIO input to a signal
*
* @param rtcio_num The index of rtcio. 0 ~ SOC_RTCIO_PIN_COUNT.
* @param signal_idx LP peripheral signal index.
* @param inv inv True to invert input signal; False then no invert.
*/
#define rtcio_hal_matrix_in(rtcio_num, signal_idx, inv) rtcio_ll_matrix_in(rtcio_num, signal_idx, inv)
/**
* Select signal output to a RTC GPIO
*
* @param rtcio_num The index of rtcio. 0 ~ SOC_RTCIO_PIN_COUNT.
* @param signal_idx LP peripheral signal index.
* @param out_inv True to invert output signal; False then no invert.
* @param oen_inv True to invert output enable signal; False then no invert.
*/
#define rtcio_hal_matrix_out(rtcio_num, signal_idx, out_inv, oen_inv) rtcio_ll_matrix_out(rtcio_num, signal_idx, out_inv, oen_inv)
#endif // SOC_LP_GPIO_MATRIX_SUPPORTED
#endif // SOC_RTCIO_INPUT_OUTPUT_SUPPORTED
#if SOC_RTCIO_HOLD_SUPPORTED
/**
* Enable force hold function on an RTC IO pad.
*
* Enabling HOLD function will cause the pad to lock current status, such as,
* input/output enable, input/output value, function, drive strength values.
* This function is useful when going into light or deep sleep mode to prevent
* the pin configuration from changing.
*
* @param rtcio_num The index of rtcio. 0 ~ SOC_RTCIO_PIN_COUNT.
*/
#define rtcio_hal_hold_enable(rtcio_num) rtcio_ll_force_hold_enable(rtcio_num)
/**
* Disable hold function on an RTC IO pad.
*
* @note If disable the pad hold, the status of pad maybe changed in sleep mode.
* @param rtcio_num The index of rtcio. 0 ~ SOC_RTCIO_PIN_COUNT.
*/
#define rtcio_hal_hold_disable(rtcio_num) rtcio_ll_force_hold_disable(rtcio_num)
/**
* Enable force hold function on all RTC IO pads.
*
* Enabling HOLD function will cause the pad to lock current status, such as,
* input/output enable, input/output value, function, drive strength values.
* This function is useful when going into light or deep sleep mode to prevent
* the pin configuration from changing.
*
* @param rtcio_num The index of rtcio. 0 ~ SOC_RTCIO_PIN_COUNT.
*/
#define rtcio_hal_hold_all() rtcio_ll_force_hold_all()
/**
* Disable hold function on all RTC IO pads.
*
* @note If disable the pad hold, the status of pad maybe changed in sleep mode.
* @param rtcio_num The index of rtcio. 0 ~ SOC_RTCIO_PIN_COUNT.
*/
#define rtcio_hal_unhold_all() rtcio_ll_force_unhold_all()
#endif // SOC_RTCIO_HOLD_SUPPORTED
#if SOC_RTCIO_WAKE_SUPPORTED
/**
* Enable wakeup function and set wakeup type from light sleep status for rtcio.
*
* @param rtcio_num The index of rtcio. 0 ~ SOC_RTCIO_PIN_COUNT.
* @param type Wakeup on high level or low level.
*/
#define rtcio_hal_wakeup_enable(rtcio_num, type) rtcio_ll_wakeup_enable(rtcio_num, type)
/**
* Disable wakeup function from light sleep status for rtcio.
*
* @param rtcio_num The index of rtcio. 0 ~ SOC_RTCIO_PIN_COUNT.
*/
#define rtcio_hal_wakeup_disable(rtcio_num) rtcio_ll_wakeup_disable(rtcio_num)
/**
* Set specific logic level on an RTC IO pin as a ext0 wakeup trigger.
*
* @param rtcio_num The index of rtcio. 0 ~ SOC_RTCIO_PIN_COUNT.
* @param level Logic level (0)
*/
#define rtcio_hal_ext0_set_wakeup_pin(rtcio_num, level) rtcio_ll_ext0_set_wakeup_pin(rtcio_num, level)
#endif
#if SOC_RTCIO_HOLD_SUPPORTED && SOC_RTCIO_INPUT_OUTPUT_SUPPORTED
/**
* Helper function to disconnect internal circuits from an RTC IO
* This function disables input, output, pullup, pulldown, and enables
* hold feature for an RTC IO.
* Use this function if an RTC IO needs to be disconnected from internal
* circuits in deep sleep, to minimize leakage current.
*
* In particular, for ESP32-WROVER module, call
* rtc_gpio_isolate(GPIO_NUM_12) before entering deep sleep, to reduce
* deep sleep current.
*
* @param rtcio_num The index of rtcio. 0 ~ SOC_RTCIO_PIN_COUNT.
*/
void rtcio_hal_isolate(int rtc_num);
#endif
#endif //SOC_RTCIO_PIN_COUNT > 0
#if SOC_GPIO_SUPPORT_DEEPSLEEP_WAKEUP && (SOC_RTCIO_PIN_COUNT > 0)
#define gpio_hal_deepsleep_wakeup_enable(hal, gpio_num, intr_type) rtcio_hal_wakeup_enable(rtc_io_num_map[gpio_num], intr_type)
#define gpio_hal_deepsleep_wakeup_disable(hal, gpio_num) rtcio_hal_wakeup_disable(rtc_io_num_map[gpio_num])
#define gpio_hal_deepsleep_wakeup_is_enabled(hal, gpio_num) rtcio_hal_wakeup_is_enabled(rtc_io_num_map[gpio_num])
#define rtc_hal_gpio_get_wakeup_status() rtcio_hal_get_interrupt_status()
#define rtc_hal_gpio_clear_wakeup_status() rtcio_hal_clear_interrupt_status()
/**
* @brief Get the status of whether an IO is used for sleep wake-up.
*
* @param hw Peripheral GPIO hardware instance address.
* @param rtcio_num The index of rtcio. 0 ~ SOC_RTCIO_PIN_COUNT.
* @return True if the pin is enabled to wake up from deep-sleep
*/
#define rtcio_hal_wakeup_is_enabled(rtcio_num) rtcio_ll_wakeup_is_enabled(rtcio_num)
/**
* @brief Get the rtc io interrupt status
*
* @return bit 0~7 corresponding to 0 ~ SOC_RTCIO_PIN_COUNT.
*/
#define rtcio_hal_get_interrupt_status() rtcio_ll_get_interrupt_status()
/**
* @brief Clear all LP IO pads status
*/
#define rtcio_hal_clear_interrupt_status() rtcio_ll_clear_interrupt_status()
#endif //SOC_GPIO_SUPPORT_DEEPSLEEP_WAKEUP && (SOC_RTCIO_PIN_COUNT > 0)
#ifdef __cplusplus
}
#endif