| #include "FreeRTOSConfig.h" | |
| #include <stdlib.h> | |
| static long brk_siz = 0; | |
| // #if configTOTAL_HEAP_SIZE != 0 | |
| typedef int _heep_t; | |
| #define ROUNDUP(s) (((s)+sizeof(_heep_t)-1)&~(sizeof(_heep_t)-1)) | |
| static _heep_t _heep[ROUNDUP(configTOTAL_HEAP_SIZE)/sizeof(_heep_t)]; | |
| #define _heep_size ROUNDUP(configTOTAL_HEAP_SIZE) | |
| /* #else | |
| extern char *_heep; | |
| extern long _heep_size; | |
| #endif | |
| */ | |
| extern char *sbrk(int size) | |
| { | |
| if (brk_siz + size > _heep_size || brk_siz + size < 0) | |
| return((char*)-1); | |
| brk_siz += size; | |
| return( (char*)_heep + brk_siz - size); | |
| } | |