From d9a388bab86381843691af939dd023c6d534cf50 Mon Sep 17 00:00:00 2001
From: Scott Lahteine <thinkyhead@users.noreply.github.com>
Date: Sun, 24 Dec 2023 21:31:54 -0600
Subject: [PATCH] =?UTF-8?q?=F0=9F=A9=B9=20Fix=20some=20serial=20chars?=
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---
 Marlin/src/core/mstring.h         | 2 +-
 Marlin/src/feature/runout.h       | 2 +-
 Marlin/src/module/temperature.cpp | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/Marlin/src/core/mstring.h b/Marlin/src/core/mstring.h
index 0ea53fef1b48..7662f0f1a6ec 100644
--- a/Marlin/src/core/mstring.h
+++ b/Marlin/src/core/mstring.h
@@ -98,7 +98,7 @@ class MString {
 
   void debug(FSTR_P const f) {
     #if ENABLED(MSTRING_DEBUG)
-      SERIAL_ECHOLN(f, ':', uintptr_t(str), ' ', length(), ' ', str);
+      SERIAL_ECHOLN(f, AS_CHAR(':'), uintptr_t(str), AS_CHAR(' '), length(), AS_CHAR(' '), str);
     #endif
   }
 
diff --git a/Marlin/src/feature/runout.h b/Marlin/src/feature/runout.h
index 847413d25ad6..43c034020ad3 100644
--- a/Marlin/src/feature/runout.h
+++ b/Marlin/src/feature/runout.h
@@ -159,7 +159,7 @@ class TFilamentMonitor : public FilamentMonitorBase {
         if (ran_out) {
           #if ENABLED(FILAMENT_RUNOUT_SENSOR_DEBUG)
             SERIAL_ECHOPGM("Runout Sensors: ");
-            for (uint8_t i = 0; i < 8; ++i) SERIAL_ECHO('0' + char(runout_flags[i]));
+            for (uint8_t i = 0; i < 8; ++i) SERIAL_CHAR('0' + char(runout_flags[i]));
             SERIAL_ECHOLNPGM(" -> ", extruder, " RUN OUT");
           #endif
 
diff --git a/Marlin/src/module/temperature.cpp b/Marlin/src/module/temperature.cpp
index afde7d3b3497..d3aa37c6abd6 100644
--- a/Marlin/src/module/temperature.cpp
+++ b/Marlin/src/module/temperature.cpp
@@ -1487,7 +1487,7 @@ void Temperature::_temp_error(
       OPTCODE(HAS_TEMP_CHAMBER, case H_CHAMBER: SERIAL_ECHOPGM(STR_HEATER_CHAMBER); break)
       OPTCODE(HAS_TEMP_BED,     case H_BED:     SERIAL_ECHOPGM(STR_HEATER_BED);     break)
       default:
-        if (real_heater_id >= 0) SERIAL_ECHO('E', real_heater_id);
+        if (real_heater_id >= 0) SERIAL_ECHO(AS_CHAR('E'), real_heater_id);
     }
     #if ENABLED(ERR_INCLUDE_TEMP)
       SERIAL_ECHOLNPGM(STR_DETECTED_TEMP_B, deg, STR_DETECTED_TEMP_E);