extern char buffer[20];
static int handle_connection(struct socket_app_state *s)
{
 
  PSOCK_BEGIN(&s->p);
  PSOCK_READTO(&s->p, '\n');
  memcpy(buffer,s->inputbuffer,20);
  memset(s->inputbuffer, 0x00, sizeof(s->inputbuffer));
  PSOCK_END(&s->p);
}

void loop() {
  WiFi.run();
  if(strncmp(buffer, "SET LED", 7) == 0) {
 
    substr(positionX, buffer, 8,1);
    substr(positionY, buffer, 10,1);
    substr(color, buffer, 12,3);
    matrix.set(atoi(positionX),atoi(positionY), atoi(color));
    matrix.send();
}

-(void)sendData:(NSString *)string {
 
	NSString *stringWithEnding = [NSString stringWithFormat:@"%@\n", string];
	const uint8_t * rawstring = (const uint8_t *)[stringWithEnding UTF8String];
	[oStream write:rawstring maxLength:strlen(rawstring)];
 
}