/* * SPDX-FileCopyrightText: 2023 Espressif Systems (Shanghai) CO LTD * * SPDX-License-Identifier: Apache-2.0 */ #pragma once #include "soc/soc_caps.h" #include "esp_err.h" #include "driver/gpio.h" #ifdef __cplusplus extern "C" { #endif #if SOC_LP_GPIO_MATRIX_SUPPORTED /** * @brief Connect a RTC(LP) GPIO input with a peripheral signal, which tagged as input attribute * * @note There's no limitation on the number of signals that a RTC(LP) GPIO can connect with * * @param gpio_num GPIO number, especially, `LP_GPIO_MATRIX_CONST_ZERO_INPUT` means connect logic 0 to signal * `LP_GPIO_MATRIX_CONST_ONE_INPUT` means connect logic 1 to signal * @param signal_idx LP peripheral signal index (tagged as input attribute) * @param inv Whether the RTC(LP) GPIO input to be inverted or not * @return * - ESP_OK Success * - ESP_ERR_INVALID_ARG Parameter error */ esp_err_t lp_gpio_connect_in_signal(gpio_num_t gpio_num, uint32_t signal_idx, bool inv); /** * @brief Connect a peripheral signal which tagged as output attribute with a RTC(LP) GPIO * * @note There's no limitation on the number of RTC(LP) GPIOs that a signal can connect with * * @param gpio_num GPIO number * @param signal_idx LP peripheral signal index (tagged as input attribute), especially, `SIG_LP_GPIO_OUT_IDX` means disconnect RTC(LP) GPIO and other peripherals. Only the RTC GPIO driver can control the output level * @param out_inv Whether to signal to be inverted or not * @param out_en_inv Whether the output enable control is inverted or not * @return * - ESP_OK Success * - ESP_ERR_INVALID_ARG Parameter error */ esp_err_t lp_gpio_connect_out_signal(gpio_num_t gpio_num, uint32_t signal_idx, bool out_inv, bool out_en_inv); #endif // SOC_LP_GPIO_MATRIX_SUPPORTED #ifdef __cplusplus } #endif