#include "FreeRTOSConfig.h" #include 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); }