[2.0.x] Emergency parser for multiple serial ports (#10524)

Marlin/src/HAL/HAL_LPC1768/HardwareSerial.h

@@ -23,6 +23,11 @@
 #ifndef HARDWARE_SERIAL_H_
 #define HARDWARE_SERIAL_H_
 
+#include "../../inc/MarlinConfigPre.h"
+#if ENABLED(EMERGENCY_PARSER)
+  #include "../../feature/emergency_parser.h"
+#endif
+
 #include <stdarg.h>
 #include <stdio.h>
 #include <Stream.h>
@@ -32,8 +37,6 @@ extern "C" {
   #include "lpc17xx_pinsel.h"
 }
 
-#include "../../inc/MarlinConfigPre.h"
-
 class HardwareSerial : public Stream {
 private:
   LPC_UART_TypeDef *UARTx;
@@ -48,6 +51,9 @@ private:
     uint32_t TxQueueWritePos;
     uint32_t TxQueueReadPos;
   #endif
+  #if ENABLED(EMERGENCY_PARSER)
+    EmergencyParser::State emergency_state;
+  #endif
 
 public:
   HardwareSerial(LPC_UART_TypeDef *UARTx)
@@ -59,6 +65,9 @@ public:
       , TxQueueWritePos(0)
       , TxQueueReadPos(0)
     #endif
+    #if ENABLED(EMERGENCY_PARSER)
+      , emergency_state(EmergencyParser::State::EP_RESET)
+    #endif
   {
   }