187 lines
2.8 KiB
C
187 lines
2.8 KiB
C
/**
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******************************************************************************
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* @file syscalls.c
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* @author Auto-generated by STM32CubeIDE
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* @brief STM32CubeIDE Minimal System calls file
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*
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* For more information about which c-functions
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* need which of these lowlevel functions
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* please consult the Newlib libc-manual
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******************************************************************************
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* @attention
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*
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* Copyright (c) 2020-2023 STMicroelectronics.
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* All rights reserved.
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*
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* This software is licensed under terms that can be found in the LICENSE file
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* in the root directory of this software component.
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* If no LICENSE file comes with this software, it is provided AS-IS.
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*
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******************************************************************************
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*/
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/* Includes */
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#include <sys/stat.h>
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#include <stdlib.h>
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#include <errno.h>
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#include <stdio.h>
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#include <signal.h>
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#include <time.h>
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#include <sys/time.h>
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#include <sys/times.h>
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#include "main.h"
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char *__env[1] = { 0 };
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char **environ = __env;
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int __io_putchar(int ch)
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{
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HAL_UART_Transmit(&huart1 , (uint8_t *)&ch, 1, HAL_MAX_DELAY);
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return ch;
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}
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__attribute__((weak)) int __io_getchar(void);
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void initialise_monitor_handles()
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{
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}
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int _getpid(void)
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{
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return 1;
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}
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int _kill(int pid, int sig)
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{
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UNUSED(pid);
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UNUSED(sig);
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errno = EINVAL;
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return -1;
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}
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void _exit (int status)
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{
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_kill(status, -1);
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while (1); /* Make sure we hang here */
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}
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__attribute__((weak)) int _read(int file, char *ptr, int len)
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{
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UNUSED(file);
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for (int DataIdx = 0; DataIdx < len; DataIdx ++) {
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*ptr++ = __io_getchar();
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}
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return len;
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}
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__attribute__((weak)) int _write(int file, char *ptr, int len)
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{
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UNUSED(file);
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for (int DataIdx = 0; DataIdx < len; DataIdx ++) {
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__io_putchar(*ptr++);
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}
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return len;
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}
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int _close(int file)
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{
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UNUSED(file);
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return -1;
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}
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int _fstat(int file, struct stat *st)
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{
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UNUSED(file);
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st->st_mode = S_IFCHR;
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return 0;
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}
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int _isatty(int file)
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{
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UNUSED(file);
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return 1;
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}
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int _lseek(int file, int ptr, int dir)
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{
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UNUSED(file);
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UNUSED(ptr);
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UNUSED(dir);
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return 0;
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}
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int _open(char *path, int flags, ...)
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{
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UNUSED(path);
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UNUSED(flags);
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/* Pretend like we always fail */
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return -1;
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}
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int _wait(int *status)
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{
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UNUSED(status);
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errno = ECHILD;
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return -1;
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}
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int _unlink(char *name)
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{
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UNUSED(name);
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errno = ENOENT;
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return -1;
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}
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int _times(struct tms *buf)
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{
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UNUSED(buf);
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return -1;
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}
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int _stat(char *file, struct stat *st)
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{
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UNUSED(file);
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st->st_mode = S_IFCHR;
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return 0;
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}
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int _link(char *old, char *new)
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{
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UNUSED(old);
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UNUSED(new);
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errno = EMLINK;
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return -1;
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}
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int _fork(void)
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{
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errno = EAGAIN;
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return -1;
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}
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int _execve(char *name, char **argv, char **env)
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{
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UNUSED(name);
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UNUSED(argv);
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UNUSED(env);
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errno = ENOMEM;
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return -1;
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}
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