From 205d115002a18c7c9ccd8dc2aed388196772fadb Mon Sep 17 00:00:00 2001
From: Alessandro Ranellucci <aar@cpan.org>
Date: Sat, 17 Sep 2011 14:54:39 +0200
Subject: Signal an optional ALARM_PIN when reaching MAXTEMP

Alarm signal can be dismissed by hard-resetting the board or by sending
a M42 P23 S0 command (where 23 is the ALARM_PIN)
---
 Sprinter/Sprinter.pde | 9 +++++++++
 Sprinter/pins.h       | 8 +++++++-
 2 files changed, 16 insertions(+), 1 deletion(-)

(limited to 'Sprinter')

diff --git a/Sprinter/Sprinter.pde b/Sprinter/Sprinter.pde
index cc1434f..f04e374 100644
--- a/Sprinter/Sprinter.pde
+++ b/Sprinter/Sprinter.pde
@@ -302,6 +302,12 @@ void setup()
     SET_OUTPUT(FAN_PIN);
   #endif
   
+  //Initialize Alarm Pin
+  #if (ALARM_PIN > -1) 
+    SET_OUTPUT(ALARM_PIN);
+    WRITE(ALARM_PIN,LOW);
+  #endif
+  
 //Initialize Step Pins
   #if (X_STEP_PIN > -1) 
     SET_OUTPUT(X_STEP_PIN);
@@ -1465,6 +1471,9 @@ void manage_heater()
   #ifdef MAXTEMP
     if(current_raw >= maxttemp) {
         target_raw = 0;
+        #if (ALARM_PIN > -1) 
+          WRITE(ALARM_PIN,HIGH);
+        #endif
     }
   #endif
   #if (TEMP_0_PIN > -1) || defined (HEATER_USES_MAX6675) || defined (HEATER_USES_AD595)
diff --git a/Sprinter/pins.h b/Sprinter/pins.h
index 8571d20..fd9995d 100644
--- a/Sprinter/pins.h
+++ b/Sprinter/pins.h
@@ -57,6 +57,7 @@
 #define FAN_PIN            -1
 #define PS_ON_PIN          15
 #define KILL_PIN           -1
+#define ALARM_PIN          -1
 
 #define HEATER_0_PIN        6
 #define TEMP_0_PIN          0    // MUST USE ANALOG INPUT NUMBERING NOT DIGITAL OUTPUT NUMBERING!!!!!!!!!
@@ -130,6 +131,7 @@
 #define FAN_PIN            -1
 #define PS_ON_PIN          -1
 #define KILL_PIN           -1
+#define ALARM_PIN          -1
 
 #define HEATER_0_PIN       14
 #define TEMP_0_PIN          4 //D27   // MUST USE ANALOG INPUT NUMBERING NOT DIGITAL OUTPUT NUMBERING!!!!!!!!!
@@ -191,6 +193,7 @@
 
 #define FAN_PIN         -1
 #define KILL_PIN        -1
+#define ALARM_PIN          -1
 
 #define HEATER_0_PIN    -1
 #define TEMP_0_PIN      -1    // MUST USE ANALOG INPUT NUMBERING NOT DIGITAL OUTPUT NUMBERING!!!!!!!!!
@@ -379,6 +382,7 @@
 #define FAN_PIN            9
 #define PS_ON_PIN          12
 #define KILL_PIN           -1
+#define ALARM_PIN          -1
 
 #define HEATER_0_PIN       10
 #define HEATER_1_PIN       8
@@ -415,7 +419,7 @@
 #define LED_PIN            13
 #define PS_ON_PIN          -1
 #define KILL_PIN           -1
-
+#define ALARM_PIN          -1
 
 
 #ifdef RAMPS_V_1_0 // RAMPS_V_1_0
@@ -486,6 +490,7 @@
 #define FAN_PIN             5
 #define PS_ON_PIN          -1
 #define KILL_PIN           -1
+#define ALARM_PIN          -1
 
 #define HEATER_0_PIN        6
 #define TEMP_0_PIN          0    // MUST USE ANALOG INPUT NUMBERING NOT DIGITAL OUTPUT NUMBERING!!!!!!!!!
@@ -587,6 +592,7 @@
 
 #define PS_ON_PIN          -1
 #define KILL_PIN           -1
+#define ALARM_PIN          -1
 
 #define HEATER_0_PIN       13 // (extruder)
 
-- 
cgit v1.2.1