From dba521a9fbf19138ded3edcd4f8cab0e3b2ff50a Mon Sep 17 00:00:00 2001
From: Scott Lahteine <thinkyhead@users.noreply.github.com>
Date: Sun, 14 May 2023 18:32:59 -0500
Subject: [PATCH] =?UTF-8?q?=F0=9F=A7=91=E2=80=8D=F0=9F=92=BB=20M43=20updat?=
 =?UTF-8?q?es?=
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---
 Marlin/src/gcode/config/M43.cpp |  6 +++---
 Marlin/src/pins/pinsDebug.h     | 20 ++++++++++++--------
 2 files changed, 15 insertions(+), 11 deletions(-)

diff --git a/Marlin/src/gcode/config/M43.cpp b/Marlin/src/gcode/config/M43.cpp
index b19fe715f6e8..460e25dde272 100644
--- a/Marlin/src/gcode/config/M43.cpp
+++ b/Marlin/src/gcode/config/M43.cpp
@@ -380,7 +380,7 @@ void GcodeSuite::M43() {
 
     for (;;) {
       LOOP_S_LE_N(i, first_pin, last_pin) {
-        pin_t pin = GET_PIN_MAP_PIN_M43(i);
+        const pin_t pin = GET_PIN_MAP_PIN_M43(i);
         if (!VALID_PIN(pin)) continue;
         if (M43_NEVER_TOUCH(i) || (!ignore_protection && pin_is_protected(pin))) continue;
         const byte val =
@@ -391,7 +391,7 @@ void GcodeSuite::M43() {
           //*/
             extDigitalRead(pin);
         if (val != pin_state[i - first_pin]) {
-          report_pin_state_extended(pin, ignore_protection, false);
+          report_pin_state_extended(pin, ignore_protection, true);
           pin_state[i - first_pin] = val;
         }
       }
@@ -409,7 +409,7 @@ void GcodeSuite::M43() {
   else {
     // Report current state of selected pin(s)
     LOOP_S_LE_N(i, first_pin, last_pin) {
-      pin_t pin = GET_PIN_MAP_PIN_M43(i);
+      const pin_t pin = GET_PIN_MAP_PIN_M43(i);
       if (VALID_PIN(pin)) report_pin_state_extended(pin, ignore_protection, true);
     }
   }
diff --git a/Marlin/src/pins/pinsDebug.h b/Marlin/src/pins/pinsDebug.h
index 25b883eee67c..56e1039c4eed 100644
--- a/Marlin/src/pins/pinsDebug.h
+++ b/Marlin/src/pins/pinsDebug.h
@@ -175,11 +175,15 @@ const PinInfo pin_array[] PROGMEM = {
 #endif
 
 static void print_input_or_output(const bool isout) {
-  SERIAL_ECHOPGM_P(isout ? PSTR("Output = ") : PSTR("Input  = "));
+  SERIAL_ECHOF(isout ? F("Output ") : F("Input  "));
+}
+
+static void print_pin_state(const bool state) {
+  SERIAL_ECHOF(state ? F("HIGH") : F("LOW"));
 }
 
 // pretty report with PWM info
-inline void report_pin_state_extended(pin_t pin, const bool ignore, const bool extended=false, FSTR_P const start_string=nullptr) {
+inline void report_pin_state_extended(const pin_t pin, const bool ignore, const bool extended=false, FSTR_P const start_string=nullptr) {
   char buffer[MAX_NAME_LENGTH + 1];   // for the sprintf statements
   bool found = false, multi_name_pin = false;
 
@@ -188,12 +192,12 @@ inline void report_pin_state_extended(pin_t pin, const bool ignore, const bool e
       // Use FastIO for pins Teensy doesn't expose
       if (pin == 46) {
         print_input_or_output(IS_OUTPUT(46));
-        SERIAL_CHAR('0' + READ(46));
+        print_pin_state(READ(46));
         return false;
       }
       else if (pin == 47) {
         print_input_or_output(IS_OUTPUT(47));
-        SERIAL_CHAR('0' + READ(47));
+        print_pin_state(READ(47));
         return false;
       }
     #endif
@@ -230,14 +234,14 @@ inline void report_pin_state_extended(pin_t pin, const bool ignore, const bool e
                                                // because this could interfere with inductive/capacitive
                                                // sensors (high impedance voltage divider) and with Pt100 amplifier
                 print_input_or_output(false);
-                SERIAL_ECHO(digitalRead_mod(pin));
+                print_pin_state(digitalRead_mod(pin));
               }
               else if (pwm_status(pin)) {
                 // do nothing
               }
               else {
                 print_input_or_output(true);
-                SERIAL_ECHO(digitalRead_mod(pin));
+                print_pin_state(digitalRead_mod(pin));
               }
             }
             if (!multi_name_pin && extended) pwm_details(pin);  // report PWM capabilities only on the first pass & only if doing an extended report
@@ -267,7 +271,7 @@ inline void report_pin_state_extended(pin_t pin, const bool ignore, const bool e
         else if (GET_PINMODE(pin)) {
           SERIAL_ECHO_SP(MAX_NAME_LENGTH - 16);
           print_input_or_output(true);
-          SERIAL_ECHO(digitalRead_mod(pin));
+          print_pin_state(digitalRead_mod(pin));
         }
         else {
           if (IS_ANALOG(pin)) {
@@ -279,7 +283,7 @@ inline void report_pin_state_extended(pin_t pin, const bool ignore, const bool e
           SERIAL_ECHO_SP(MAX_NAME_LENGTH - 16);   // add padding if not an analog pin
 
           print_input_or_output(false);
-          SERIAL_ECHO(digitalRead_mod(pin));
+          print_pin_state(digitalRead_mod(pin));
         }
         //if (!pwm_status(pin)) SERIAL_CHAR(' ');    // add padding if it's not a PWM pin
         if (extended) {