Method processInput

app/src/IO/FileTransmission/YMODEM.cpp:183–251

* @brief Processes bytes received from the remote device (YMODEM state machine). */

 * @brief Processes bytes received from the remote device (YMODEM state machine).
 */
void IO::Protocols::YMODEM::processInput(const QByteArray& data)
{
  for (const char byte : data) {
    const quint8 ch = static_cast<quint8>(byte);

    switch (m_yState) {
      case YState::WaitingForInitialC:
        if (ch == kCRC) {
          m_timeoutTimer.stop();
          sendBlock0();
        }
        break;

      case YState::WaitingForBlock0Ack:
        handleBlock0AckByte(ch);
        break;

      case YState::WaitingForDataC:
        if (ch == kCRC) {
          m_timeoutTimer.stop();
          m_blockNumber = 1;
          m_yState      = YState::SendingData;
          sendDataBlock();
        }
        break;

      case YState::WaitingForDataAck:
        if (!handleDataAckByte(ch))
          return;

        break;

      case YState::WaitingForFirstEOTResponse:
        if (ch == kNAK || ch == kACK) {
          m_timeoutTimer.stop();
          m_yState = YState::WaitingForSecondEOTAck;
          Q_EMIT writeRequested(QByteArray(1, static_cast<char>(kEOT)));
          Q_EMIT statusMessage(tr("Sending second EOT…"));
          m_timeoutTimer.start(m_timeoutMs);
        }
        break;

      case YState::WaitingForSecondEOTAck:
        handleSecondEotAckByte(ch);
        break;

      case YState::WaitingForEndBatchC:
        if (ch == kCRC) {
          m_timeoutTimer.stop();
          sendEndOfBatch();
        }
        break;

      case YState::WaitingForEndBatchAck:
        if (ch == kACK) {
          m_timeoutTimer.stop();
          m_yState = YState::Done;
          resetState();