syscalls_common.h
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1 /*
2  * Copyright (C) 2019 Gunar Schorcht
3  *
4  * This file is subject to the terms and conditions of the GNU Lesser
5  * General Public License v2.1. See the file LICENSE in the top level
6  * directory for more details.
7  */
8 
9 #pragma once
10 
23 #include <stdarg.h>
24 #include <stdbool.h>
25 #include <stdint.h>
26 #include <stdlib.h>
27 
28 #include "esp_common.h"
29 
30 #ifdef __cplusplus
31 extern "C" {
32 #endif
33 
35 void syscalls_init(void);
36 
38 unsigned int get_free_heap_size(void);
39 
41 uint32_t system_get_time(void);
42 
44 uint32_t system_get_time_ms(void);
45 
47 void *system_secure_memset(void *s, int c, size_t n);
48 
49 #ifdef __cplusplus
50 }
51 #endif
esp_common.h
Common helper macros for ESP SoCs.
system_secure_memset
void * system_secure_memset(void *s, int c, size_t n)
memset version that the compiler should not be allowed to optimize this
syscalls_init
void syscalls_init(void)
Necessary initializations of system call functions.
system_get_time_ms
uint32_t system_get_time_ms(void)
Time since boot in ms (32bit version)
system_get_time
uint32_t system_get_time(void)
Time since boot in us (32bit version)
get_free_heap_size
unsigned int get_free_heap_size(void)
Determine free heap size.