[LPC176x] Emergency Parser Feature (#10516)

frameworks/CMSIS/LPC1768/lib/usb/cdcuser.cpp

@@ -39,6 +39,11 @@ unsigned short CDC_DepInEmpty = 1;                   // Data IN EP is empty
 unsigned short CDC_LineState = 0;
 unsigned short CDC_SerialState = 0;
 
+#include "../../../../../Marlin/src/inc/MarlinConfigPre.h"
+
+#if ENABLED(EMERGENCY_PARSER)
+  #include "../../../../../Marlin/src/feature/emergency_parser.h"
+#endif
 
 extern HalSerial usb_serial;
 /*----------------------------------------------------------------------------
@@ -52,6 +57,9 @@ uint32_t CDC_WrOutBuf(const char *buffer, uint32_t *length) {
   bytesWritten = bytesToWrite;
 
   while (bytesToWrite) {
+    #if ENABLED(EMERGENCY_PARSER)
+      emergency_parser.update(*buffer);
+    #endif
     usb_serial.receive_buffer.write(*buffer++);           // Copy Data to buffer
     bytesToWrite--;
   }