Fixes for DSF

Increased maximum code buffer size to accomodate longer messages
Bug fix: G-code file info from DSF was not fully initialized
Bug fix: Message boxes from DSF were not always correctly registered

Author: chrishamm

src/Linux/DataTransfer.cpp

@@ -228,6 +228,7 @@ void DataTransfer::ReadPrintStartedInfo(size_t packetLength, StringRef& filename
 {
 	// Read header
 	const PrintStartedHeader *header = ReadDataHeader<PrintStartedHeader>();
+	info.isValid = true;
 	info.numFilaments = header->numFilaments;
 	info.lastModifiedTime = header->lastModifiedTime;
 	info.fileSize = header->fileSize;

src/Linux/MessageFormats.h

@@ -24,7 +24,7 @@ constexpr uint16_t LinuxProtocolVersion = 1;
 constexpr size_t LinuxTransferBufferSize = 8192;	// maximum length of a data transfer. Must be a multiple of 4 and kept in sync with Duet Control Server!
 static_assert(LinuxTransferBufferSize % sizeof(uint32_t) == 0, "LinuxTransferBufferSize must be a whole number of dwords");
 
-constexpr size_t MaxCodeBufferSize = 192;			// maximum length of a G/M/T-code in binary encoding
+constexpr size_t MaxCodeBufferSize = 256;			// maximum length of a G/M/T-code in binary encoding
 static_assert(MaxCodeBufferSize % sizeof(uint32_t) == 0, "MaxCodeBufferSize must be a whole number of dwords");
 static_assert(MaxCodeBufferSize >= GCODE_LENGTH, "MaxCodeBufferSize must be at least as big as GCODE_LENGTH");
 

src/Platform.cpp

@@ -3487,7 +3487,7 @@ void Platform::Message(MessageType type, const char *message)
 // sParam = 3 As for 2 but also display a Cancel button
 void Platform::SendAlert(MessageType mt, const char *message, const char *title, int sParam, float tParam, AxesBitmap controls)
 {
-	if ((mt & (HttpMessage | AuxMessage)) != 0)
+	if ((mt & (HttpMessage | AuxMessage | BinaryCodeReplyFlag)) != 0)
 	{
 		reprap.SetAlert(message, title, sParam, tParam, controls);		// make the RepRap class cache this message until it's picked up by the HTTP clients and/or PanelDue
 	}