From b5bb40474d3dbd73e0f6f67e4bc1d25349574159 Mon Sep 17 00:00:00 2001
From: Marek Bel <marek.bel@posta.cz>
Date: Wed, 19 Sep 2018 17:17:32 +0200
Subject: [PATCH 1/4] Fix print time overflow.

---
 Firmware/ultralcd.cpp | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/Firmware/ultralcd.cpp b/Firmware/ultralcd.cpp
index b78b4c97..fcfcd799 100644
--- a/Firmware/ultralcd.cpp
+++ b/Firmware/ultralcd.cpp
@@ -2468,10 +2468,10 @@ void lcd_menu_statistics()
 	{
 		float _met = ((float)total_filament_used) / (100000.f);
 		int _cm = (total_filament_used - (_met * 100000)) / 10;
-		int _t = (millis() - starttime) / 1000;
+		uint32_t _t = (millis() - starttime) / 1000;
 		int _h = _t / 3600;
-		int _m = (_t - (_h * 3600)) / 60;
-		int _s = _t - ((_h * 3600) + (_m * 60));
+		int _m = (_t - (_h * 3600ul)) / 60;
+		int _s = _t - ((_h * 3600ul) + (_m * 60));
 //|01234567890123456789|
 //|Filament used:      |
 //|      000m 00.000cm |

From cce813107001ae238d8ed292ab08ef2d309656ed Mon Sep 17 00:00:00 2001
From: Marek Bel <marek.bel@posta.cz>
Date: Wed, 19 Sep 2018 17:20:41 +0200
Subject: [PATCH 2/4] Add missing s for seconds of print time.

---
 Firmware/ultralcd.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Firmware/ultralcd.cpp b/Firmware/ultralcd.cpp
index fcfcd799..c312a299 100644
--- a/Firmware/ultralcd.cpp
+++ b/Firmware/ultralcd.cpp
@@ -2483,7 +2483,7 @@ void lcd_menu_statistics()
 		  "%S:"
 		  ESC_H(6,1) "%8.2fm \n"
 		  "%S :"
-		  ESC_H(8,3) "%2dh %02dm %02d"
+		  ESC_H(8,3) "%2dh %02dm %02ds"
 		  ),
 		 _i("Filament used"),
 		 _met,

From b92b307ee8dcd6b26f6aebf5b8993090a1dc15f8 Mon Sep 17 00:00:00 2001
From: Marek Bel <marek.bel@posta.cz>
Date: Wed, 19 Sep 2018 17:21:45 +0200
Subject: [PATCH 3/4] Make variables constant.

---
 Firmware/ultralcd.cpp | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/Firmware/ultralcd.cpp b/Firmware/ultralcd.cpp
index c312a299..37f7bf59 100644
--- a/Firmware/ultralcd.cpp
+++ b/Firmware/ultralcd.cpp
@@ -2466,18 +2466,18 @@ void lcd_menu_statistics()
 {
 	if (IS_SD_PRINTING)
 	{
-		float _met = ((float)total_filament_used) / (100000.f);
-		int _cm = (total_filament_used - (_met * 100000)) / 10;
-		uint32_t _t = (millis() - starttime) / 1000;
-		int _h = _t / 3600;
-		int _m = (_t - (_h * 3600ul)) / 60;
-		int _s = _t - ((_h * 3600ul) + (_m * 60));
 //|01234567890123456789|
 //|Filament used:      |
 //|      000m 00.000cm |
 //|Print time:         |
 //|        00h 00m 00s |
 //----------------------
+		const float _met = ((float)total_filament_used) / (100000.f);
+		const uint32_t _t = (millis() - starttime) / 1000ul;
+		const int _h = _t / 3600;
+		const int _m = (_t - (_h * 3600ul)) / 60ul;
+		const int _s = _t - ((_h * 3600ul) + (_m * 60ul));
+
 		lcd_printf_P(_N(
 		  ESC_2J
 		  "%S:"

From 2607a0c4ed4d0553dfe6cd0f807197b4ade5121f Mon Sep 17 00:00:00 2001
From: Marek Bel <marek.bel@posta.cz>
Date: Wed, 19 Sep 2018 17:22:06 +0200
Subject: [PATCH 4/4] Update documentation.

---
 Firmware/ultralcd.cpp | 38 ++++++++++++++++++++++++++------------
 1 file changed, 26 insertions(+), 12 deletions(-)

diff --git a/Firmware/ultralcd.cpp b/Firmware/ultralcd.cpp
index 37f7bf59..510114c9 100644
--- a/Firmware/ultralcd.cpp
+++ b/Firmware/ultralcd.cpp
@@ -1,3 +1,5 @@
+//! @file
+
 #include "temperature.h"
 #include "ultralcd.h"
 #include "fsensor.h"
@@ -2462,16 +2464,33 @@ static void lcd_LoadFilament()
   }
 }
 
+//! @brief Show filament used a print time
+//!
+//! If printing current print statistics are shown
+//!
+//! @code{.unparsed}
+//! |01234567890123456789|
+//! |Filament used:      |
+//! |         00.00m     |
+//! |Print time:         |
+//! |        00h 00m 00s |
+//! ----------------------
+//! @endcode
+//!
+//! If not printing, total statistics are shown
+//!
+//! @code{.unparsed}
+//! |01234567890123456789|
+//! |Total filament :    |
+//! |           000.00 m |
+//! |Total print time :  |
+//! |     00d :00h :00 m |
+//! ----------------------
+//! @endcode
 void lcd_menu_statistics()
 {
 	if (IS_SD_PRINTING)
 	{
-//|01234567890123456789|
-//|Filament used:      |
-//|      000m 00.000cm |
-//|Print time:         |
-//|        00h 00m 00s |
-//----------------------
 		const float _met = ((float)total_filament_used) / (100000.f);
 		const uint32_t _t = (millis() - starttime) / 1000ul;
 		const int _h = _t / 3600;
@@ -2504,12 +2523,7 @@ void lcd_menu_statistics()
 		_days = _time / 1440;
 		_hours = (_time - (_days * 1440)) / 60;
 		_minutes = _time - ((_days * 1440) + (_hours * 60));
-//|01234567890123456789|
-//|Total filament :    |
-//|           000.00 m |
-//|Total print time :  |
-//|     00d :00h :00 m |
-//----------------------
+
 		lcd_printf_P(_N(
 		  ESC_2J
 		  "%S :"