Method send

lib/psclass.h:159–167

  ~tQueue(){};

  void send(T &item) { // sends an item onto the queue
    int16_t temp = m_tail + 1;
    if (temp == t_LEN)
      temp = 0;
    if (temp != m_head) {
      m_items[m_tail] = item;
      m_tail = temp;
    }
  };
  bool recv(T *item) { // returns an item from the queue, false if no item.
    if (m_head == m_tail)
      return false;