Method toString

libraries/BLE/src/BLEUUID.cpp:268–298

}

String BLEUUID::toString() const {
  if (!m_valueSet) {
    return "<NULL>";  // If we have no value, nothing to format.
  }

  if (UUID_LEN(m_uuid) == BLE_UUID_16_BITS) {  // If the UUID is 16bit, pad correctly.
    char hex[9];
    snprintf(hex, sizeof(hex), "%08x", UUID_VAL_16(m_uuid));
    return String(hex) + "-0000-1000-8000-00805f9b34fb";
  }  // End 16bit UUID

  if (UUID_LEN(m_uuid) == BLE_UUID_32_BITS) {  // If the UUID is 32bit, pad correctly.
    char hex[9];
    snprintf(hex, sizeof(hex), "%08" PRIx32, UUID_VAL_32(m_uuid));
    return String(hex) + "-0000-1000-8000-00805f9b34fb";
  }  // End 32bit UUID

  // The UUID is not 16bit or 32bit which means that it is 128bit.
  auto size = 37;  // 32 for UUID data, 4 for '-' delimiters and one for a terminator == 37 chars
  char *hex = (char *)malloc(size);
  snprintf(
    hex, size, "%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x", UUID_VAL_128(m_uuid)[15], UUID_VAL_128(m_uuid)[14],
    UUID_VAL_128(m_uuid)[13], UUID_VAL_128(m_uuid)[12], UUID_VAL_128(m_uuid)[11], UUID_VAL_128(m_uuid)[10], UUID_VAL_128(m_uuid)[9], UUID_VAL_128(m_uuid)[8],
    UUID_VAL_128(m_uuid)[7], UUID_VAL_128(m_uuid)[6], UUID_VAL_128(m_uuid)[5], UUID_VAL_128(m_uuid)[4], UUID_VAL_128(m_uuid)[3], UUID_VAL_128(m_uuid)[2],
    UUID_VAL_128(m_uuid)[1], UUID_VAL_128(m_uuid)[0]
  );

  String res(hex);
  free(hex);
  return res;
}  // toString

bool BLEUUID::operator==(const BLEUUID &rhs) const {
  return equals(rhs);