Emergency Parser for STM32F1 (#19279)

Marlin/src/HAL/STM32F1/MarlinSerial.h

@@ -0,0 +1,50 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+#pragma once
+
+#include <HardwareSerial.h>
+#include <WString.h>
+
+#include "../../inc/MarlinConfigPre.h"
+#if ENABLED(EMERGENCY_PARSER)
+  #include "../../feature/e_parser.h"
+#endif
+
+class MarlinSerial : public HardwareSerial {
+public:
+  MarlinSerial(struct usart_dev *usart_device, uint8 tx_pin, uint8 rx_pin) :
+    HardwareSerial(usart_device, tx_pin, rx_pin)
+    #if ENABLED(EMERGENCY_PARSER)
+      , emergency_state(EmergencyParser::State::EP_RESET)
+    #endif
+    { }
+
+  #if ENABLED(EMERGENCY_PARSER)
+    EmergencyParser::State emergency_state;
+  #endif
+};
+
+extern MarlinSerial MSerial1;
+extern MarlinSerial MSerial2;
+extern MarlinSerial MSerial3;
+extern MarlinSerial MSerial4;
+extern MarlinSerial MSerial5;