From 1a0f8898035185277e2c4dfbf084dd7a989d6ed1 Mon Sep 17 00:00:00 2001
From: Colin Edwards <colin@recursivepenguin.com>
Date: Sun, 24 Mar 2013 23:35:05 -0500
Subject: [PATCH 1/3] Add support for M300: Play beep sound

---
 Marlin/Marlin_main.cpp | 25 ++++++++++++++++++++-----
 1 file changed, 20 insertions(+), 5 deletions(-)

diff --git a/Marlin/Marlin_main.cpp b/Marlin/Marlin_main.cpp
index 372554617..1d8e37223 100644
--- a/Marlin/Marlin_main.cpp
+++ b/Marlin/Marlin_main.cpp
@@ -117,6 +117,7 @@
 // M220 S<factor in percent>- set speed factor override percentage
 // M221 S<factor in percent>- set extrude factor override percentage
 // M240 - Trigger a camera to take a photograph
+// M300 - Play beepsound S<frequency Hz> P<duration ms>
 // M301 - Set PID parameters P I and D
 // M302 - Allow cold extrudes
 // M303 - PID relay autotune S<temperature> sets the target temperature. (default target temperature = 150C)
@@ -157,12 +158,12 @@ float add_homeing[3]={0,0,0};
 float min_pos[3] = { X_MIN_POS, Y_MIN_POS, Z_MIN_POS };
 float max_pos[3] = { X_MAX_POS, Y_MAX_POS, Z_MAX_POS };
 // Extruder offset, only in XY plane
-#if EXTRUDERS > 1
+#if EXTRUDERS > 1
 float extruder_offset[2][EXTRUDERS] = { 
 #if defined(EXTRUDER_OFFSET_X) && defined(EXTRUDER_OFFSET_Y)
   EXTRUDER_OFFSET_X, EXTRUDER_OFFSET_Y 
 #endif
-}; 
+}; 
 #endif
 uint8_t active_extruder = 0;
 int fanSpeed=0;
@@ -1380,7 +1381,7 @@ void process_commands()
       }
       
     }break;
-    #endif // FWRETRACT
+    #endif // FWRETRACT
     #if EXTRUDERS > 1
     case 218: // M218 - set hotend offset (in mm), T<extruder_number> X<offset_on_X> Y<offset_on_Y>
     {
@@ -1405,7 +1406,7 @@ void process_commands()
          SERIAL_ECHO(extruder_offset[Y_AXIS][tmp_extruder]);
       }
       SERIAL_ECHOLN("");
-    }break;
+    }break;
     #endif
     case 220: // M220 S<factor in percent>- set speed factor override percentage
     {
@@ -1424,6 +1425,20 @@ void process_commands()
     }
     break;
 
+    #ifdef BEEPER
+    case 300: // M300
+    {
+      int beepS = 1;
+      int beepP = 1000;
+      if(code_seen('S')) beepS = code_value();
+      if(code_seen('P')) beepP = code_value();
+      tone(BEEPER, beepS);
+      delay(beepP);
+      noTone(BEEPER);
+    }
+    break;
+    #endif // M300
+
     #ifdef PIDTEMP
     case 301: // M301
       {
@@ -1756,7 +1771,7 @@ void process_commands()
         if(make_move && Stopped == false) {
            prepare_move();
         }
-      }
+      }
       #endif
       SERIAL_ECHO_START;
       SERIAL_ECHO(MSG_ACTIVE_EXTRUDER);

From 9a1c90471f630a3011622fed25959b9e197e1ea2 Mon Sep 17 00:00:00 2001
From: Colin Edwards <colin@recursivepenguin.com>
Date: Mon, 25 Mar 2013 10:28:15 -0500
Subject: [PATCH 2/3] Ignore unused beeper pins

---
 Marlin/Marlin_main.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Marlin/Marlin_main.cpp b/Marlin/Marlin_main.cpp
index 1d8e37223..27e35b6a5 100644
--- a/Marlin/Marlin_main.cpp
+++ b/Marlin/Marlin_main.cpp
@@ -1425,7 +1425,7 @@ void process_commands()
     }
     break;
 
-    #ifdef BEEPER
+    #if defined(BEEPER) && BEEPER > -1
     case 300: // M300
     {
       int beepS = 1;

From 0d075378d500dedf46877fceaf27c9d46f0f31ad Mon Sep 17 00:00:00 2001
From: Colin Edwards <colin@recursivepenguin.com>
Date: Mon, 25 Mar 2013 10:42:27 -0500
Subject: [PATCH 3/3] Add LARGE_FLASH define and enable it for some of the
 beefier boards The LARGE_FLASH flag allows superfluous features to be
 excluded on boards with less memory

---
 Marlin/Marlin_main.cpp |  4 ++--
 Marlin/pins.h          | 12 +++++++++++-
 2 files changed, 13 insertions(+), 3 deletions(-)

diff --git a/Marlin/Marlin_main.cpp b/Marlin/Marlin_main.cpp
index 27e35b6a5..069438486 100644
--- a/Marlin/Marlin_main.cpp
+++ b/Marlin/Marlin_main.cpp
@@ -1424,8 +1424,8 @@ void process_commands()
       }
     }
     break;
-
-    #if defined(BEEPER) && BEEPER > -1
+    
+    #if defined(LARGE_FLASH) && LARGE_FLASH == true && defined(BEEPER) && BEEPER > -1
     case 300: // M300
     {
       int beepS = 1;
diff --git a/Marlin/pins.h b/Marlin/pins.h
index f1babfa70..17b47f312 100644
--- a/Marlin/pins.h
+++ b/Marlin/pins.h
@@ -321,6 +321,8 @@
 
 #if MOTHERBOARD == 33 || MOTHERBOARD == 34
 
+#define LARGE_FLASH        true
+
 #define X_STEP_PIN         54
 #define X_DIR_PIN          55
 #define X_ENABLE_PIN       38
@@ -789,6 +791,8 @@
  #endif
 #endif
 
+#define LARGE_FLASH true
+
 #define X_STEP_PIN 25
 #define X_DIR_PIN 23
 #define X_MIN_PIN 22
@@ -924,6 +928,8 @@
  #endif
 #endif
 
+#define LARGE_FLASH true
+
 #define X_STEP_PIN 25
 #define X_DIR_PIN 23
 #define X_MIN_PIN 15
@@ -993,6 +999,8 @@
 #error Oops!  Make sure you have 'Teensy++ 2.0' selected from the 'Tools -> Boards' menu.
 #endif
 
+#define LARGE_FLASH        true
+
 #define X_STEP_PIN          0
 #define X_DIR_PIN           1
 #define X_ENABLE_PIN       39
@@ -1326,6 +1334,8 @@
 #error Oops!  Make sure you have 'Arduino Mega 2560' selected from the 'Tools -> Boards' menu.
 #endif
 
+#define LARGE_FLASH true
+
 #define X_STEP_PIN 37
 #define X_DIR_PIN 48
 #define X_MIN_PIN 12
@@ -1401,7 +1411,7 @@
  #endif
 
 
-
+#define LARGE_FLASH        true
 
 #define X_STEP_PIN         26
 #define X_DIR_PIN          28