Sketch aJson library

scheduler.ino

/**
 * aJson
 * http://interactive-matter.eu/how-to/ajson-arduino-json-library/
 */
#include <aJSON.h>
#include <Time.h>
#include <TimeAlarms.h>

void setup() {
  Serial.begin(9600);
  freeMem("start");
}

void loop() {
  teste("{\"teste\":\"name\"}");
  delay(1000);
  freeMem("loop");
}

void teste(char* json) {
  aJsonObject* root;
  root = aJson.parse(json);

  aJsonObject* teste = aJson.getObjectItem(root, "teste");
  char* name = aJson.print(teste);
  
//  aJson.deleteItem(teste);
//  aJson.deleteItem(root);

  Serial.println(name);
  
}

//Code to print out the free memory

struct __freelist {
  size_t sz;
  struct __freelist *nx;
};

extern char * const __brkval;
extern struct __freelist *__flp;

uint16_t freeMem(uint16_t *biggest)
{
  char *brkval;
  char *cp;
  unsigned freeSpace;
  struct __freelist *fp1, *fp2;

  brkval = __brkval;
  if (brkval == 0) {
    brkval = __malloc_heap_start;
  }
  cp = __malloc_heap_end;
  if (cp == 0) {
    cp = ((char *)AVR_STACK_POINTER_REG) - __malloc_margin;
  }
  if (cp <= brkval) return 0;

  freeSpace = cp - brkval;

  for (*biggest = 0, fp1 = __flp, fp2 = 0;
     fp1;
     fp2 = fp1, fp1 = fp1->nx) {
      if (fp1->sz > *biggest) *biggest = fp1->sz;
    freeSpace += fp1->sz;
  }

  return freeSpace;
}

uint16_t biggest;

void freeMem(char* message) {
  Serial.print(message);
  Serial.print(":\t");
  Serial.println(freeMem(&biggest));
}