0,0 → 1,91 |
// -*- tab-width: 4; Mode: C++; c-basic-offset: 4; indent-tabs-mode: t -*- |
|
// |
// C++ runtime support not provided by Arduino |
// |
// Note: use new/delete with caution. The heap is small and |
// easily fragmented. |
// |
|
#include <stdlib.h> |
#include "c++.h" |
#if defined(ARDUINO) && ARDUINO >= 100 |
#include "Arduino.h" |
#else |
#include "WProgram.h" |
#endif |
|
void * operator new(size_t size) |
{ |
#ifdef AP_DISPLAYMEM |
displayMemory(); |
#endif |
return(calloc(size, 1)); |
} |
|
void operator delete(void *p) |
{ |
if (p) free(p); |
} |
|
extern "C" void __cxa_pure_virtual() |
{ |
while (1) |
{ |
Serial.println("Error: pure virtual call"); |
delay(1000); |
} |
} |
|
void * operator new[](size_t size) |
{ |
#ifdef AP_DISPLAYMEM |
displayMemory(); |
#endif |
return(calloc(size, 1)); |
} |
|
void operator delete[](void * ptr) |
{ |
if (ptr) free(ptr); |
} |
|
__extension__ typedef int __guard __attribute__((mode (__DI__))); |
|
int __cxa_guard_acquire(__guard *g) |
{ |
return !*(char *)(g); |
}; |
|
void __cxa_guard_release (__guard *g) |
{ |
*(char *)g = 1; |
}; |
|
void __cxa_guard_abort (__guard *) {}; |
|
// free memory |
extern unsigned int __bss_end; |
extern void *__brkval; |
|
void displayMemory() |
{ |
static int minMemFree=0; |
if (minMemFree<=0 || freeMemory()<minMemFree) { |
minMemFree = freeMemory(); |
Serial.print("bytes free: "); |
Serial.println(minMemFree); |
} |
} |
|
int freeMemory() |
{ |
int free_memory; |
|
if ((intptr_t)__brkval == 0) |
free_memory = ((intptr_t)&free_memory) - ((intptr_t)&__bss_end); |
else |
free_memory = ((intptr_t)&free_memory) - ((intptr_t)__brkval); |
|
return free_memory; |
} |