Fix "unqualified id" warning (#15144)
This commit is contained in:
Scott Lahteine
GitHub
parent
12344085c0
commit
c97c393c4a
@ -228,37 +228,41 @@ public:
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PACKET_PROCESS, PACKET_RESEND, PACKET_TIMEOUT, PACKET_ERROR };
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struct Packet { // 10 byte protocol overhead, ascii with checksum and line number has a minimum of 7 increasing with line
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struct [[gnu::packed]] Header {
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static constexpr uint16_t HEADER_TOKEN = 0xB5AD;
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uint16_t token; // packet start token
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uint8_t sync; // stream sync, resend id and packet loss detection
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uint8_t meta; // 4 bit protocol,
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// 4 bit packet type
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uint16_t size; // data length
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uint16_t checksum; // header checksum
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union Header {
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static constexpr uint16_t HEADER_TOKEN = 0xB5AD;
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struct [[gnu::packed]] {
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uint16_t token; // packet start token
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uint8_t sync; // stream sync, resend id and packet loss detection
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uint8_t meta; // 4 bit protocol,
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// 4 bit packet type
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uint16_t size; // data length
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uint16_t checksum; // header checksum
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};
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uint8_t protocol() { return (meta >> 4) & 0xF; }
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uint8_t type() { return meta & 0xF; }
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void reset() { token = 0; sync = 0; meta = 0; size = 0; checksum = 0; }
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uint8_t data[1];
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};
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struct [[gnu::packed]] Footer {
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uint16_t checksum; // full packet checksum
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union Footer {
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struct [[gnu::packed]] {
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uint16_t checksum; // full packet checksum
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};
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void reset() { checksum = 0; }
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uint8_t data[1];
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};
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uint8_t header_data[sizeof(Header)],
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footer_data[sizeof(Footer)];
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Header header;
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Footer footer;
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uint32_t bytes_received;
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uint16_t checksum, header_checksum;
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millis_t timeout;
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char* buffer;
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Header& header() { return *reinterpret_cast<Header*>(header_data); }
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Footer& footer() { return *reinterpret_cast<Footer*>(footer_data); }
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void reset() {
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header().reset();
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footer().reset();
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header.reset();
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footer.reset();
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bytes_received = 0;
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checksum = 0;
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header_checksum = 0;
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@ -312,46 +316,46 @@ public:
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stream_state = StreamState::PACKET_WAIT;
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case StreamState::PACKET_WAIT:
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if (!stream_read(data)) { idle(); return; } // no active packet so don't wait
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packet.header_data[1] = data;
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if (packet.header().token == Packet::Header::HEADER_TOKEN) {
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packet.header.data[1] = data;
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if (packet.header.token == packet.header.HEADER_TOKEN) {
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packet.bytes_received = 2;
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stream_state = StreamState::PACKET_HEADER;
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}
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else {
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// stream corruption drop data
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packet.header_data[0] = data;
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packet.header.data[0] = data;
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}
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break;
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case StreamState::PACKET_HEADER:
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if (!stream_read(data)) break;
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packet.header_data[packet.bytes_received++] = data;
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packet.header.data[packet.bytes_received++] = data;
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packet.checksum = checksum(packet.checksum, data);
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// header checksum calculation can't contain the checksum
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if (packet.bytes_received == sizeof(Packet::Header) - 2)
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if (packet.bytes_received == sizeof(Packet::header) - 2)
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packet.header_checksum = packet.checksum;
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if (packet.bytes_received == sizeof(Packet::Header)) {
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if (packet.header().checksum == packet.header_checksum) {
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if (packet.bytes_received == sizeof(Packet::header)) {
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if (packet.header.checksum == packet.header_checksum) {
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// The SYNC control packet is a special case in that it doesn't require the stream sync to be correct
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if (static_cast<Protocol>(packet.header().protocol()) == Protocol::CONTROL && static_cast<ProtocolControl>(packet.header().type()) == ProtocolControl::SYNC) {
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if (static_cast<Protocol>(packet.header.protocol()) == Protocol::CONTROL && static_cast<ProtocolControl>(packet.header.type()) == ProtocolControl::SYNC) {
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SERIAL_ECHOLNPAIR("ss", sync, ",", buffer_size, ",", VERSION_MAJOR, ".", VERSION_MINOR, ".", VERSION_PATCH);
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stream_state = StreamState::PACKET_RESET;
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break;
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}
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if (packet.header().sync == sync) {
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if (packet.header.sync == sync) {
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buffer_next_index = 0;
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packet.bytes_received = 0;
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if (packet.header().size) {
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if (packet.header.size) {
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stream_state = StreamState::PACKET_DATA;
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packet.buffer = static_cast<char *>(&buffer[0]); // multipacket buffering not implemented, always allocate whole buffer to packet
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}
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else
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stream_state = StreamState::PACKET_PROCESS;
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}
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else if (packet.header().sync == sync - 1) { // ok response must have been lost
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SERIAL_ECHOLNPAIR("ok", packet.header().sync); // transmit valid packet received and drop the payload
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else if (packet.header.sync == sync - 1) { // ok response must have been lost
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SERIAL_ECHOLNPAIR("ok", packet.header.sync); // transmit valid packet received and drop the payload
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stream_state = StreamState::PACKET_RESET;
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}
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else if (packet_retries) {
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@ -364,7 +368,7 @@ public:
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}
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else {
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SERIAL_ECHO_START();
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SERIAL_ECHOLNPAIR("Packet Header(", packet.header().sync, "?) Corrupt");
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SERIAL_ECHOLNPAIR("Packet header(", packet.header.sync, "?) corrupt");
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stream_state = StreamState::PACKET_RESEND;
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}
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}
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@ -384,7 +388,7 @@ public:
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packet.bytes_received++;
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buffer_next_index++;
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if (packet.bytes_received == packet.header().size) {
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if (packet.bytes_received == packet.header.size) {
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stream_state = StreamState::PACKET_FOOTER;
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packet.bytes_received = 0;
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}
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@ -392,14 +396,14 @@ public:
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case StreamState::PACKET_FOOTER:
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if (!stream_read(data)) break;
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packet.footer_data[packet.bytes_received++] = data;
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if (packet.bytes_received == sizeof(Packet::Footer)) {
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if (packet.footer().checksum == packet.checksum) {
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packet.footer.data[packet.bytes_received++] = data;
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if (packet.bytes_received == sizeof(Packet::footer)) {
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if (packet.footer.checksum == packet.checksum) {
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stream_state = StreamState::PACKET_PROCESS;
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}
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else {
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SERIAL_ECHO_START();
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SERIAL_ECHOLNPAIR("Packet(", packet.header().sync, ") Payload Corrupt");
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SERIAL_ECHOLNPAIR("Packet(", packet.header.sync, ") payload corrupt");
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stream_state = StreamState::PACKET_RESEND;
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}
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}
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@ -407,9 +411,9 @@ public:
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case StreamState::PACKET_PROCESS:
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sync++;
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packet_retries = 0;
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bytes_received += packet.header().size;
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bytes_received += packet.header.size;
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SERIAL_ECHOLNPAIR("ok", packet.header().sync); // transmit valid packet received
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SERIAL_ECHOLNPAIR("ok", packet.header.sync); // transmit valid packet received
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dispatch();
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stream_state = StreamState::PACKET_RESET;
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break;
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@ -429,7 +433,7 @@ public:
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stream_state = StreamState::PACKET_RESEND;
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break;
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case StreamState::PACKET_ERROR:
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SERIAL_ECHOLNPAIR("fe", packet.header().sync);
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SERIAL_ECHOLNPAIR("fe", packet.header.sync);
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reset(); // reset everything, resync required
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stream_state = StreamState::PACKET_RESET;
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break;
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@ -438,9 +442,9 @@ public:
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}
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void dispatch() {
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switch(static_cast<Protocol>(packet.header().protocol())) {
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switch(static_cast<Protocol>(packet.header.protocol())) {
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case Protocol::CONTROL:
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switch(static_cast<ProtocolControl>(packet.header().type())) {
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switch(static_cast<ProtocolControl>(packet.header.type())) {
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case ProtocolControl::CLOSE: // revert back to ASCII mode
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card.flag.binary_mode = false;
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break;
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@ -449,7 +453,7 @@ public:
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}
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break;
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case Protocol::FILE_TRANSFER:
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SDFileTransferProtocol::process(packet.header().type(), packet.buffer, packet.header().size); // send user data to be processed
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SDFileTransferProtocol::process(packet.header.type(), packet.buffer, packet.header.size); // send user data to be processed
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break;
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default:
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SERIAL_ECHO_MSG("Unsupported Binary Protocol");
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