From 5ade1716bfa42f46c3b36c3b64a0466d152a71ff Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Gu=C3=B0ni=20M=C3=A1r=20Gilbert?= <gudni.m.g@gmail.com>
Date: Sat, 18 Mar 2023 17:01:59 +0000
Subject: [PATCH] Add M500 into PROGMEM

Change in memory:
Flash: -6 bytes
SRAM: 0 bytes
---
 Firmware/messages.cpp | 1 +
 Firmware/messages.h   | 1 +
 Firmware/ultralcd.cpp | 4 ++--
 3 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/Firmware/messages.cpp b/Firmware/messages.cpp
index deeaa40f9..6a906c34b 100644
--- a/Firmware/messages.cpp
+++ b/Firmware/messages.cpp
@@ -235,6 +235,7 @@ const char MSG_M23[] PROGMEM_N1 = "M23 %s";
 const char MSG_M24[] PROGMEM_N1 = "M24";
 const char MSG_M83[] PROGMEM_N1 = "M83";
 const char MSG_M84[] PROGMEM_N1 = "M84";
+const char MSG_M500[] PROGMEM_N1 = "M500";
 const char MSG_M600[] PROGMEM_N1 = "M600";
 const char MSG_M701_NO_LIFT[] PROGMEM_N1 = "M701 Z0";
 const char MSG_M702_NO_LIFT[] PROGMEM_N1 = "M702 Z0";
diff --git a/Firmware/messages.h b/Firmware/messages.h
index 906071980..ccc614a47 100644
--- a/Firmware/messages.h
+++ b/Firmware/messages.h
@@ -241,6 +241,7 @@ extern const char MSG_M23[];
 extern const char MSG_M24[];
 extern const char MSG_M83[];
 extern const char MSG_M84[];
+extern const char MSG_M500[];
 extern const char MSG_M600[];
 extern const char MSG_M701_NO_LIFT[];
 extern const char MSG_M702_NO_LIFT[];
diff --git a/Firmware/ultralcd.cpp b/Firmware/ultralcd.cpp
index 2df85e00f..815c1a46e 100644
--- a/Firmware/ultralcd.cpp
+++ b/Firmware/ultralcd.cpp
@@ -916,7 +916,7 @@ void lcd_commands()
 			if (_Kp != 0 || _Ki != 0 || _Kd != 0) {
 				sprintf_P(cmd1, PSTR("M301 P%.2f I%.2f D%.2f"), _Kp, _Ki, _Kd);
 				enquecommand(cmd1);
-				enquecommand_P(PSTR("M500"));
+				enquecommand_P(MSG_M500);
 			}
 			else {
 				SERIAL_ECHOPGM("Invalid PID cal. results. Not stored to EEPROM.");
@@ -950,7 +950,7 @@ void lcd_commands()
 
         case 2:
             if (temp_model_autotune_result())
-                enquecommand_P(PSTR("M500"));
+                enquecommand_P(MSG_M500);
             lcd_commands_step = 1;
             break;