From 38afe46c0bf866547f1751f25912c28b4eb9a2e5 Mon Sep 17 00:00:00 2001
From: johnnyr <thehdesk@gmail.com>
Date: Wed, 10 Nov 2010 11:23:12 -0800
Subject: Added Fan control

---
 Tonokip_Firmware/Tonokip_Firmware.pde | 22 +++++++++++++++++++---
 1 file changed, 19 insertions(+), 3 deletions(-)

(limited to 'Tonokip_Firmware/Tonokip_Firmware.pde')

diff --git a/Tonokip_Firmware/Tonokip_Firmware.pde b/Tonokip_Firmware/Tonokip_Firmware.pde
index 71d495b..0b12188 100644
--- a/Tonokip_Firmware/Tonokip_Firmware.pde
+++ b/Tonokip_Firmware/Tonokip_Firmware.pde
@@ -20,6 +20,8 @@
 //RepRap M Codes
 // M104 - Set target temp
 // M105 - Read current temp
+// M106 - Fan on
+// M107 - Fan off
 // M109 - Wait for current temp to reach target temp.
 
 //Custom M Codes
@@ -301,6 +303,12 @@ inline void process_commands()
           manage_heater();
         }
         break;
+      case 106: //M106 Fan On
+        digitalWrite(FAN_PIN, HIGH);
+        break;
+      case 107: //M107 Fan Off
+        digitalWrite(FAN_PIN, LOW);
+        break;
       case 80: // M81 - ATX Power On
         if(PS_ON_PIN > -1) pinMode(PS_ON_PIN,OUTPUT); //GND
         break;
@@ -511,8 +519,16 @@ inline void manage_heater()
   current_raw = analogRead(TEMP_0_PIN);                  // If using thermistor, when the heater is colder than targer temp, we get a higher analog reading than target, 
   if(USE_THERMISTOR) current_raw = 1023 - current_raw;   // this switches it up so that the reading appears lower than target for the control logic.
   
-  if(current_raw >= target_raw) digitalWrite(HEATER_0_PIN,LOW);
-  else digitalWrite(HEATER_0_PIN,HIGH);
+  if(current_raw >= target_raw)
+   {
+     digitalWrite(HEATER_0_PIN,LOW);
+     digitalWrite(LED_PIN,LOW);
+   }
+  else 
+  {
+    digitalWrite(HEATER_0_PIN,HIGH);
+    digitalWrite(LED_PIN,HIGH);
+  }
 }
 
 // Takes temperature value as input and returns corresponding analog value from RepRap thermistor temp table.
@@ -599,4 +615,4 @@ inline void kill(byte debug)
   }
 }
 
-inline void manage_inactivity(byte debug) { if( (millis()-previous_millis_cmd) >  max_inactive_time ) if(max_inactive_time) kill(debug); }
+inline void manage_inactivity(byte debug) { if( (millis()-previous_millis_cmd) >  max_inactive_time ) if(max_inactive_time) kill(debug); }
\ No newline at end of file
-- 
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