From d029a098107334aec718c62adf82817b34950f3f Mon Sep 17 00:00:00 2001
From: Scott Lahteine <github@thinkyhead.com>
Date: Sun, 29 Mar 2020 17:14:06 -0500
Subject: [PATCH] Minor HAL cleanup

---
 Marlin/src/HAL/LPC1768/main.cpp       | 2 +-
 Marlin/src/HAL/STM32/SoftwareSerial.h | 9 ++-------
 2 files changed, 3 insertions(+), 8 deletions(-)

diff --git a/Marlin/src/HAL/LPC1768/main.cpp b/Marlin/src/HAL/LPC1768/main.cpp
index fb7394344e..d7b05dce9d 100644
--- a/Marlin/src/HAL/LPC1768/main.cpp
+++ b/Marlin/src/HAL/LPC1768/main.cpp
@@ -90,7 +90,7 @@ void HAL_init() {
 
   //debug_frmwrk_init();
   //_DBG("\n\nDebug running\n");
-  // Initialise the SD card chip select pins as soon as possible
+  // Initialize the SD card chip select pins as soon as possible
   #if PIN_EXISTS(SS)
     OUT_WRITE(SS_PIN, HIGH);
   #endif
diff --git a/Marlin/src/HAL/STM32/SoftwareSerial.h b/Marlin/src/HAL/STM32/SoftwareSerial.h
index 3799701cfe..504bd6979b 100644
--- a/Marlin/src/HAL/STM32/SoftwareSerial.h
+++ b/Marlin/src/HAL/STM32/SoftwareSerial.h
@@ -29,9 +29,7 @@
  * The latest version of this library can always be found at
  * http://arduiniana.org.
  */
-
-#ifndef SOFTWARESERIAL_H
-#define SOFTWARESERIAL_H
+#pragma once
 
 #include <Arduino.h>
 
@@ -64,7 +62,6 @@ class SoftwareSerial : public Stream {
     uint32_t delta_start = 0;
 
     // static data
-    static bool initialised;
     static HardwareTimer timer;
     static const IRQn_Type timer_interrupt_number;
     static uint32_t timer_interrupt_priority;
@@ -91,7 +88,7 @@ class SoftwareSerial : public Stream {
   public:
     // public methods
 
-    SoftwareSerial(uint16_t receivePin, uint16_t transmitPin, bool inverse_logic = false);
+    SoftwareSerial(uint16_t receivePin, uint16_t transmitPin, bool inverse_logic=false);
     virtual ~SoftwareSerial();
     void begin(long speed);
     bool listen();
@@ -115,5 +112,3 @@ class SoftwareSerial : public Stream {
 
     using Print::write;
 };
-
-#endif // SOFTWARESERIAL_H