deac/osd-contiki
1
0
Fork 0
Code Issues Pull requests Releases Wiki Activity

Added new stm32nucleo-spirit1 platform

Browse source
This commit is contained in:
Marco Grella 2015-07-24 16:30:10 +02:00
parent d87f6f67e2
commit 86f35536a4
254 changed files with 173555 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

64
cpu/arm/stm32l152/sysmem.c Normal file
View file

@ -0,0 +1,64 @@
/**
*****************************************************************************
**
** File : sysmem.c
**
** Author : Ac6
**
** Abstract : System Workbench Minimal System Memory calls file
**
** For more information about which c-functions
** need which of these lowlevel functions
** please consult the Newlib libc-manual
**
** Environment : System Workbench for MCU
**
** Distribution: The file is distributed “as is,” without any warranty
** of any kind.
**
** (c)Copyright System Workbench for MCU.
** You may use this file as-is or modify it according to the needs of your
** project. Distribution of this file (unmodified or modified) is not
** permitted. System Workbench for MCU permit registered System Workbench(R) users the
** rights to distribute the assembled, compiled & linked contents of this
** file as part of an application binary file, provided that it is built
** using the System Workbench for MCU toolchain.
**
*****************************************************************************
*/
/* Includes */
#include <errno.h>
#include <stdio.h>
/* Variables */
extern int errno;
register char * stack_ptr asm("sp");
/* Functions */
/**
_sbrk
Increase program data space. Malloc and related functions depend on this
**/
caddr_t _sbrk(int incr)
{
extern char end asm("end");
static char *heap_end;
char *prev_heap_end;
if (heap_end == 0)
heap_end = &end;
prev_heap_end = heap_end;
if (heap_end + incr > stack_ptr)
{
errno = ENOMEM;
return (caddr_t) -1;
}
heap_end += incr;
return (caddr_t) prev_heap_end;
}