From 2eca8d63b36f253c892f3f4320091c825d425ebc Mon Sep 17 00:00:00 2001
From: Scott Lahteine <sourcetree@thinkyhead.com>
Date: Wed, 6 Apr 2016 17:30:23 -0700
Subject: [PATCH] Add DEFAULT_KEEPALIVE_INTERVAL setting

---
 Marlin/Configuration.h                                       | 5 ++++-
 Marlin/example_configurations/Felix/Configuration.h          | 5 ++++-
 Marlin/example_configurations/Felix/Configuration_DUAL.h     | 5 ++++-
 Marlin/example_configurations/Hephestos/Configuration.h      | 5 ++++-
 Marlin/example_configurations/Hephestos_2/Configuration.h    | 5 ++++-
 Marlin/example_configurations/K8200/Configuration.h          | 5 ++++-
 .../RepRapWorld/Megatronics/Configuration.h                  | 5 ++++-
 Marlin/example_configurations/RigidBot/Configuration.h       | 5 ++++-
 Marlin/example_configurations/SCARA/Configuration.h          | 5 ++++-
 Marlin/example_configurations/TAZ4/Configuration.h           | 5 ++++-
 Marlin/example_configurations/WITBOX/Configuration.h         | 5 ++++-
 .../example_configurations/adafruit/ST7565/Configuration.h   | 5 ++++-
 Marlin/example_configurations/delta/biv2.5/Configuration.h   | 5 ++++-
 Marlin/example_configurations/delta/generic/Configuration.h  | 5 ++++-
 .../example_configurations/delta/kossel_mini/Configuration.h | 5 ++++-
 .../example_configurations/delta/kossel_pro/Configuration.h  | 5 ++++-
 .../example_configurations/delta/kossel_xl/Configuration.h   | 5 ++++-
 Marlin/example_configurations/makibox/Configuration.h        | 5 ++++-
 Marlin/example_configurations/tvrrug/Round2/Configuration.h  | 5 ++++-
 19 files changed, 76 insertions(+), 19 deletions(-)

diff --git a/Marlin/Configuration.h b/Marlin/Configuration.h
index ddd72d11a..d0a49aade 100644
--- a/Marlin/Configuration.h
+++ b/Marlin/Configuration.h
@@ -721,9 +721,12 @@ const bool Z_MIN_PROBE_ENDSTOP_INVERTING = false; // set to true to invert the l
 // Host Keepalive
 //
 // By default Marlin will send a busy status message to the host
-// every 10 seconds when it can't accept commands.
+// every couple of seconds when it can't accept commands.
 //
 //#define DISABLE_HOST_KEEPALIVE // Enable this option if your host doesn't like keepalive messages.
+#if DISABLED(DISABLE_HOST_KEEPALIVE)
+  #define DEFAULT_KEEPALIVE_INTERVAL 2 // Number of seconds between "busy" messages. Set with M113.
+#endif
 
 //
 // M100 Free Memory Watcher
diff --git a/Marlin/example_configurations/Felix/Configuration.h b/Marlin/example_configurations/Felix/Configuration.h
index e91e927c8..2da7f04f6 100644
--- a/Marlin/example_configurations/Felix/Configuration.h
+++ b/Marlin/example_configurations/Felix/Configuration.h
@@ -704,9 +704,12 @@ const bool Z_MIN_PROBE_ENDSTOP_INVERTING = false; // set to true to invert the l
 // Host Keepalive
 //
 // By default Marlin will send a busy status message to the host
-// every 10 seconds when it can't accept commands.
+// every couple of seconds when it can't accept commands.
 //
 //#define DISABLE_HOST_KEEPALIVE // Enable this option if your host doesn't like keepalive messages.
+#if DISABLED(DISABLE_HOST_KEEPALIVE)
+  #define DEFAULT_KEEPALIVE_INTERVAL 2 // Number of seconds between "busy" messages. Set with M113.
+#endif
 
 //
 // M100 Free Memory Watcher
diff --git a/Marlin/example_configurations/Felix/Configuration_DUAL.h b/Marlin/example_configurations/Felix/Configuration_DUAL.h
index 29507abaa..60697ed0e 100644
--- a/Marlin/example_configurations/Felix/Configuration_DUAL.h
+++ b/Marlin/example_configurations/Felix/Configuration_DUAL.h
@@ -701,9 +701,12 @@ const bool Z_MIN_PROBE_ENDSTOP_INVERTING = false; // set to true to invert the l
 // Host Keepalive
 //
 // By default Marlin will send a busy status message to the host
-// every 10 seconds when it can't accept commands.
+// every couple of seconds when it can't accept commands.
 //
 //#define DISABLE_HOST_KEEPALIVE // Enable this option if your host doesn't like keepalive messages.
+#if DISABLED(DISABLE_HOST_KEEPALIVE)
+  #define DEFAULT_KEEPALIVE_INTERVAL 2 // Number of seconds between "busy" messages. Set with M113.
+#endif
 
 //
 // M100 Free Memory Watcher
diff --git a/Marlin/example_configurations/Hephestos/Configuration.h b/Marlin/example_configurations/Hephestos/Configuration.h
index cac62233f..9e0af0a32 100644
--- a/Marlin/example_configurations/Hephestos/Configuration.h
+++ b/Marlin/example_configurations/Hephestos/Configuration.h
@@ -713,9 +713,12 @@ const bool Z_MIN_PROBE_ENDSTOP_INVERTING = true; // set to true to invert the lo
 // Host Keepalive
 //
 // By default Marlin will send a busy status message to the host
-// every 10 seconds when it can't accept commands.
+// every couple of seconds when it can't accept commands.
 //
 //#define DISABLE_HOST_KEEPALIVE // Enable this option if your host doesn't like keepalive messages.
+#if DISABLED(DISABLE_HOST_KEEPALIVE)
+  #define DEFAULT_KEEPALIVE_INTERVAL 2 // Number of seconds between "busy" messages. Set with M113.
+#endif
 
 //
 // M100 Free Memory Watcher
diff --git a/Marlin/example_configurations/Hephestos_2/Configuration.h b/Marlin/example_configurations/Hephestos_2/Configuration.h
index 9be4a5cef..a1a89e371 100644
--- a/Marlin/example_configurations/Hephestos_2/Configuration.h
+++ b/Marlin/example_configurations/Hephestos_2/Configuration.h
@@ -715,9 +715,12 @@ const bool Z_MIN_PROBE_ENDSTOP_INVERTING = false; // set to true to invert the l
 // Host Keepalive
 //
 // By default Marlin will send a busy status message to the host
-// every 10 seconds when it can't accept commands.
+// every couple of seconds when it can't accept commands.
 //
 //#define DISABLE_HOST_KEEPALIVE // Enable this option if your host doesn't like keepalive messages.
+#if DISABLED(DISABLE_HOST_KEEPALIVE)
+  #define DEFAULT_KEEPALIVE_INTERVAL 2 // Number of seconds between "busy" messages. Set with M113.
+#endif
 
 //
 // M100 Free Memory Watcher
diff --git a/Marlin/example_configurations/K8200/Configuration.h b/Marlin/example_configurations/K8200/Configuration.h
index 3bb350ddd..74c553177 100644
--- a/Marlin/example_configurations/K8200/Configuration.h
+++ b/Marlin/example_configurations/K8200/Configuration.h
@@ -738,9 +738,12 @@ const bool Z_MIN_PROBE_ENDSTOP_INVERTING = false; // set to true to invert the l
 // Host Keepalive
 //
 // By default Marlin will send a busy status message to the host
-// every 10 seconds when it can't accept commands.
+// every couple of seconds when it can't accept commands.
 //
 //#define DISABLE_HOST_KEEPALIVE // Enable this option if your host doesn't like keepalive messages.
+#if DISABLED(DISABLE_HOST_KEEPALIVE)
+  #define DEFAULT_KEEPALIVE_INTERVAL 2 // Number of seconds between "busy" messages. Set with M113.
+#endif
 
 //
 // M100 Free Memory Watcher
diff --git a/Marlin/example_configurations/RepRapWorld/Megatronics/Configuration.h b/Marlin/example_configurations/RepRapWorld/Megatronics/Configuration.h
index 487e8d876..553c07afa 100644
--- a/Marlin/example_configurations/RepRapWorld/Megatronics/Configuration.h
+++ b/Marlin/example_configurations/RepRapWorld/Megatronics/Configuration.h
@@ -721,9 +721,12 @@ const bool Z_MIN_PROBE_ENDSTOP_INVERTING = false; // set to true to invert the l
 // Host Keepalive
 //
 // By default Marlin will send a busy status message to the host
-// every 10 seconds when it can't accept commands.
+// every couple of seconds when it can't accept commands.
 //
 //#define DISABLE_HOST_KEEPALIVE // Enable this option if your host doesn't like keepalive messages.
+#if DISABLED(DISABLE_HOST_KEEPALIVE)
+  #define DEFAULT_KEEPALIVE_INTERVAL 2 // Number of seconds between "busy" messages. Set with M113.
+#endif
 
 //
 // M100 Free Memory Watcher
diff --git a/Marlin/example_configurations/RigidBot/Configuration.h b/Marlin/example_configurations/RigidBot/Configuration.h
index e5c98d479..733b377cd 100644
--- a/Marlin/example_configurations/RigidBot/Configuration.h
+++ b/Marlin/example_configurations/RigidBot/Configuration.h
@@ -716,9 +716,12 @@ const bool Z_MIN_PROBE_ENDSTOP_INVERTING = false; // set to true to invert the l
 // Host Keepalive
 //
 // By default Marlin will send a busy status message to the host
-// every 10 seconds when it can't accept commands.
+// every couple of seconds when it can't accept commands.
 //
 //#define DISABLE_HOST_KEEPALIVE // Enable this option if your host doesn't like keepalive messages.
+#if DISABLED(DISABLE_HOST_KEEPALIVE)
+  #define DEFAULT_KEEPALIVE_INTERVAL 2 // Number of seconds between "busy" messages. Set with M113.
+#endif
 
 //
 // M100 Free Memory Watcher
diff --git a/Marlin/example_configurations/SCARA/Configuration.h b/Marlin/example_configurations/SCARA/Configuration.h
index c09a7ae82..436bf2290 100644
--- a/Marlin/example_configurations/SCARA/Configuration.h
+++ b/Marlin/example_configurations/SCARA/Configuration.h
@@ -729,9 +729,12 @@ const bool Z_MIN_PROBE_ENDSTOP_INVERTING = false; // set to true to invert the l
 // Host Keepalive
 //
 // By default Marlin will send a busy status message to the host
-// every 10 seconds when it can't accept commands.
+// every couple of seconds when it can't accept commands.
 //
 //#define DISABLE_HOST_KEEPALIVE // Enable this option if your host doesn't like keepalive messages.
+#if DISABLED(DISABLE_HOST_KEEPALIVE)
+  #define DEFAULT_KEEPALIVE_INTERVAL 2 // Number of seconds between "busy" messages. Set with M113.
+#endif
 
 //
 // M100 Free Memory Watcher
diff --git a/Marlin/example_configurations/TAZ4/Configuration.h b/Marlin/example_configurations/TAZ4/Configuration.h
index 7dd94b7ae..38e7e20cf 100644
--- a/Marlin/example_configurations/TAZ4/Configuration.h
+++ b/Marlin/example_configurations/TAZ4/Configuration.h
@@ -742,9 +742,12 @@ const bool Z_MIN_PROBE_ENDSTOP_INVERTING = false; // set to true to invert the l
 // Host Keepalive
 //
 // By default Marlin will send a busy status message to the host
-// every 10 seconds when it can't accept commands.
+// every couple of seconds when it can't accept commands.
 //
 //#define DISABLE_HOST_KEEPALIVE // Enable this option if your host doesn't like keepalive messages.
+#if DISABLED(DISABLE_HOST_KEEPALIVE)
+  #define DEFAULT_KEEPALIVE_INTERVAL 2 // Number of seconds between "busy" messages. Set with M113.
+#endif
 
 //
 // M100 Free Memory Watcher
diff --git a/Marlin/example_configurations/WITBOX/Configuration.h b/Marlin/example_configurations/WITBOX/Configuration.h
index 6f96bbf42..fd3fa38d0 100644
--- a/Marlin/example_configurations/WITBOX/Configuration.h
+++ b/Marlin/example_configurations/WITBOX/Configuration.h
@@ -713,9 +713,12 @@ const bool Z_MIN_PROBE_ENDSTOP_INVERTING = true; // set to true to invert the lo
 // Host Keepalive
 //
 // By default Marlin will send a busy status message to the host
-// every 10 seconds when it can't accept commands.
+// every couple of seconds when it can't accept commands.
 //
 //#define DISABLE_HOST_KEEPALIVE // Enable this option if your host doesn't like keepalive messages.
+#if DISABLED(DISABLE_HOST_KEEPALIVE)
+  #define DEFAULT_KEEPALIVE_INTERVAL 2 // Number of seconds between "busy" messages. Set with M113.
+#endif
 
 //
 // M100 Free Memory Watcher
diff --git a/Marlin/example_configurations/adafruit/ST7565/Configuration.h b/Marlin/example_configurations/adafruit/ST7565/Configuration.h
index 9620b49ff..052008aa5 100644
--- a/Marlin/example_configurations/adafruit/ST7565/Configuration.h
+++ b/Marlin/example_configurations/adafruit/ST7565/Configuration.h
@@ -721,9 +721,12 @@ const bool Z_MIN_PROBE_ENDSTOP_INVERTING = false; // set to true to invert the l
 // Host Keepalive
 //
 // By default Marlin will send a busy status message to the host
-// every 10 seconds when it can't accept commands.
+// every couple of seconds when it can't accept commands.
 //
 //#define DISABLE_HOST_KEEPALIVE // Enable this option if your host doesn't like keepalive messages.
+#if DISABLED(DISABLE_HOST_KEEPALIVE)
+  #define DEFAULT_KEEPALIVE_INTERVAL 2 // Number of seconds between "busy" messages. Set with M113.
+#endif
 
 //
 // M100 Free Memory Watcher
diff --git a/Marlin/example_configurations/delta/biv2.5/Configuration.h b/Marlin/example_configurations/delta/biv2.5/Configuration.h
index 9c91da9d7..ce1bbf5cc 100644
--- a/Marlin/example_configurations/delta/biv2.5/Configuration.h
+++ b/Marlin/example_configurations/delta/biv2.5/Configuration.h
@@ -843,9 +843,12 @@ const bool Z_MIN_PROBE_ENDSTOP_INVERTING = true; // set to true to invert the lo
 // Host Keepalive
 //
 // By default Marlin will send a busy status message to the host
-// every 10 seconds when it can't accept commands.
+// every couple of seconds when it can't accept commands.
 //
 //#define DISABLE_HOST_KEEPALIVE // Enable this option if your host doesn't like keepalive messages.
+#if DISABLED(DISABLE_HOST_KEEPALIVE)
+  #define DEFAULT_KEEPALIVE_INTERVAL 2 // Number of seconds between "busy" messages. Set with M113.
+#endif
 
 //
 // M100 Free Memory Watcher
diff --git a/Marlin/example_configurations/delta/generic/Configuration.h b/Marlin/example_configurations/delta/generic/Configuration.h
index 5beb3f4b5..bc323fd5a 100644
--- a/Marlin/example_configurations/delta/generic/Configuration.h
+++ b/Marlin/example_configurations/delta/generic/Configuration.h
@@ -843,9 +843,12 @@ const bool Z_MIN_PROBE_ENDSTOP_INVERTING = true; // set to true to invert the lo
 // Host Keepalive
 //
 // By default Marlin will send a busy status message to the host
-// every 10 seconds when it can't accept commands.
+// every couple of seconds when it can't accept commands.
 //
 //#define DISABLE_HOST_KEEPALIVE // Enable this option if your host doesn't like keepalive messages.
+#if DISABLED(DISABLE_HOST_KEEPALIVE)
+  #define DEFAULT_KEEPALIVE_INTERVAL 2 // Number of seconds between "busy" messages. Set with M113.
+#endif
 
 //
 // M100 Free Memory Watcher
diff --git a/Marlin/example_configurations/delta/kossel_mini/Configuration.h b/Marlin/example_configurations/delta/kossel_mini/Configuration.h
index d88d12dc6..fbaa538e9 100644
--- a/Marlin/example_configurations/delta/kossel_mini/Configuration.h
+++ b/Marlin/example_configurations/delta/kossel_mini/Configuration.h
@@ -847,9 +847,12 @@ const bool Z_MIN_PROBE_ENDSTOP_INVERTING = false; // set to true to invert the l
 // Host Keepalive
 //
 // By default Marlin will send a busy status message to the host
-// every 10 seconds when it can't accept commands.
+// every couple of seconds when it can't accept commands.
 //
 //#define DISABLE_HOST_KEEPALIVE // Enable this option if your host doesn't like keepalive messages.
+#if DISABLED(DISABLE_HOST_KEEPALIVE)
+  #define DEFAULT_KEEPALIVE_INTERVAL 2 // Number of seconds between "busy" messages. Set with M113.
+#endif
 
 //
 // M100 Free Memory Watcher
diff --git a/Marlin/example_configurations/delta/kossel_pro/Configuration.h b/Marlin/example_configurations/delta/kossel_pro/Configuration.h
index 6d769fb32..aedcf72af 100644
--- a/Marlin/example_configurations/delta/kossel_pro/Configuration.h
+++ b/Marlin/example_configurations/delta/kossel_pro/Configuration.h
@@ -840,9 +840,12 @@ const bool Z_MIN_PROBE_ENDSTOP_INVERTING = false; // set to true to invert the l
 // Host Keepalive
 //
 // By default Marlin will send a busy status message to the host
-// every 10 seconds when it can't accept commands.
+// every couple of seconds when it can't accept commands.
 //
 //#define DISABLE_HOST_KEEPALIVE // Enable this option if your host doesn't like keepalive messages.
+#if DISABLED(DISABLE_HOST_KEEPALIVE)
+  #define DEFAULT_KEEPALIVE_INTERVAL 2 // Number of seconds between "busy" messages. Set with M113.
+#endif
 
 //
 // M100 Free Memory Watcher
diff --git a/Marlin/example_configurations/delta/kossel_xl/Configuration.h b/Marlin/example_configurations/delta/kossel_xl/Configuration.h
index e21b350e1..cba52bf4a 100644
--- a/Marlin/example_configurations/delta/kossel_xl/Configuration.h
+++ b/Marlin/example_configurations/delta/kossel_xl/Configuration.h
@@ -757,9 +757,12 @@ const bool Z_MIN_PROBE_ENDSTOP_INVERTING = false; // set to true to invert the l
 // Host Keepalive
 //
 // By default Marlin will send a busy status message to the host
-// every 10 seconds when it can't accept commands.
+// every couple of seconds when it can't accept commands.
 //
 //#define DISABLE_HOST_KEEPALIVE // Enable this option if your host doesn't like keepalive messages.
+#if DISABLED(DISABLE_HOST_KEEPALIVE)
+  #define DEFAULT_KEEPALIVE_INTERVAL 2 // Number of seconds between "busy" messages. Set with M113.
+#endif
 
 //
 // M100 Free Memory Watcher
diff --git a/Marlin/example_configurations/makibox/Configuration.h b/Marlin/example_configurations/makibox/Configuration.h
index 6ccd700aa..301c7d9b6 100644
--- a/Marlin/example_configurations/makibox/Configuration.h
+++ b/Marlin/example_configurations/makibox/Configuration.h
@@ -724,9 +724,12 @@ const bool Z_MIN_PROBE_ENDSTOP_INVERTING = false; // set to true to invert the l
 // Host Keepalive
 //
 // By default Marlin will send a busy status message to the host
-// every 10 seconds when it can't accept commands.
+// every couple of seconds when it can't accept commands.
 //
 //#define DISABLE_HOST_KEEPALIVE // Enable this option if your host doesn't like keepalive messages.
+#if DISABLED(DISABLE_HOST_KEEPALIVE)
+  #define DEFAULT_KEEPALIVE_INTERVAL 2 // Number of seconds between "busy" messages. Set with M113.
+#endif
 
 //
 // M100 Free Memory Watcher
diff --git a/Marlin/example_configurations/tvrrug/Round2/Configuration.h b/Marlin/example_configurations/tvrrug/Round2/Configuration.h
index 85f2258f4..f162ff7b6 100644
--- a/Marlin/example_configurations/tvrrug/Round2/Configuration.h
+++ b/Marlin/example_configurations/tvrrug/Round2/Configuration.h
@@ -715,9 +715,12 @@ const bool Z_MIN_PROBE_ENDSTOP_INVERTING = true; // set to true to invert the lo
 // Host Keepalive
 //
 // By default Marlin will send a busy status message to the host
-// every 10 seconds when it can't accept commands.
+// every couple of seconds when it can't accept commands.
 //
 //#define DISABLE_HOST_KEEPALIVE // Enable this option if your host doesn't like keepalive messages.
+#if DISABLED(DISABLE_HOST_KEEPALIVE)
+  #define DEFAULT_KEEPALIVE_INTERVAL 2 // Number of seconds between "busy" messages. Set with M113.
+#endif
 
 //
 // M100 Free Memory Watcher