1 // Copyright 2020 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 #include <stdbool.h> 18 #include <stddef.h> 19 #include <stdint.h> 20 #include "esp_err.h" 21 22 #ifdef __cplusplus 23 extern "C" { 24 #endif 25 26 #ifdef CONFIG_ESP_SYSTEM_PM_POWER_DOWN_CPU 27 /** 28 * @brief CPU Power down low-level initialize 29 * 30 * @param enable enable or disable CPU power down during light sleep 31 * @return 32 * - ESP_OK on success 33 * - ESP_ERR_NO_MEM not enough retention memory 34 */ 35 esp_err_t esp_sleep_cpu_pd_low_init(bool enable); 36 #endif 37 38 #ifdef __cplusplus 39 } 40 #endif 41