1 /* 2 * SPDX-FileCopyrightText: 2015-2022 Espressif Systems (Shanghai) CO LTD 3 * 4 * SPDX-License-Identifier: Apache-2.0 5 */ 6 7 #pragma once 8 9 #include <sys/reent.h> 10 11 #ifdef __cplusplus 12 extern "C" { 13 #endif 14 15 /* 16 * Initialize newlib time functions 17 */ 18 void esp_newlib_time_init(void); 19 20 /** 21 * Replacement for newlib's _REENT_INIT_PTR and __sinit. 22 * 23 * Called from startup code and FreeRTOS, not intended to be called from 24 * application code. 25 */ 26 void esp_reent_init(struct _reent* r); 27 28 /** 29 * Clean up some of lazily allocated buffers in REENT structures. 30 */ 31 void esp_reent_cleanup(void); 32 33 /** 34 * Function which sets up newlib in ROM for use with ESP-IDF 35 * 36 * Includes defining the syscall table, setting up any common locks, etc. 37 * 38 * Called from the startup code, not intended to be called from application 39 * code. 40 */ 41 void esp_newlib_init(void); 42 43 void esp_setup_syscall_table(void) __attribute__((deprecated("Please call esp_newlib_init() in newer code"))); 44 45 /** 46 * Update current microsecond time from RTC 47 */ 48 void esp_set_time_from_rtc(void); 49 50 /* 51 * Sync timekeeping timers, RTC and high-resolution timer. Update boot_time. 52 */ 53 void esp_sync_timekeeping_timers(void); 54 55 /* Kept for backward compatibility */ 56 #define esp_sync_counters_rtc_and_frc esp_sync_timekeeping_timers 57 58 /** 59 * Initialize newlib static locks 60 */ 61 void esp_newlib_locks_init(void); 62 63 #ifdef __cplusplus 64 } 65 #endif 66
