From 7ecb7cbd46d03f6326c0f89adb0c5c8afcd0f9e9 Mon Sep 17 00:00:00 2001
From: Greg Rebholz <gregrebholz@gmail.com>
Date: Tue, 23 Dec 2014 23:35:54 -0500
Subject: [PATCH] Added "auto fan" checks to PID_autotune
---
Marlin/temperature.cpp | 16 ++++++++++++++++
Marlin/temperature.h | 3 +++
2 files changed, 19 insertions(+)
diff --git a/Marlin/temperature.cpp b/Marlin/temperature.cpp
index a3fedbf986..8aa39cb254 100644
--- a/Marlin/temperature.cpp
+++ b/Marlin/temperature.cpp
@@ -188,6 +188,12 @@ void PID_autotune(float temp, int extruder, int ncycles)
float Kp, Ki, Kd;
float max = 0, min = 10000;
+#if (defined(EXTRUDER_0_AUTO_FAN_PIN) && EXTRUDER_0_AUTO_FAN_PIN > -1) || \
+ (defined(EXTRUDER_1_AUTO_FAN_PIN) && EXTRUDER_1_AUTO_FAN_PIN > -1) || \
+ (defined(EXTRUDER_2_AUTO_FAN_PIN) && EXTRUDER_2_AUTO_FAN_PIN > -1)
+ unsigned long extruder_autofan_last_check = millis();
+#endif
+
if ((extruder >= EXTRUDERS)
#if (TEMP_BED_PIN <= -1)
||(extruder < 0)
@@ -224,6 +230,16 @@ void PID_autotune(float temp, int extruder, int ncycles)
max=max(max,input);
min=min(min,input);
+
+ #if (defined(EXTRUDER_0_AUTO_FAN_PIN) && EXTRUDER_0_AUTO_FAN_PIN > -1) || \
+ (defined(EXTRUDER_1_AUTO_FAN_PIN) && EXTRUDER_1_AUTO_FAN_PIN > -1) || \
+ (defined(EXTRUDER_2_AUTO_FAN_PIN) && EXTRUDER_2_AUTO_FAN_PIN > -1)
+ if(millis() - extruder_autofan_last_check > 2500) {
+ checkExtruderAutoFans();
+ extruder_autofan_last_check = millis();
+ }
+ #endif
+
if(heating == true && input > temp) {
if(millis() - t2 > 5000) {
heating=false;
diff --git a/Marlin/temperature.h b/Marlin/temperature.h
index 962e048a58..95c3514890 100644
--- a/Marlin/temperature.h
+++ b/Marlin/temperature.h
@@ -186,5 +186,8 @@ FORCE_INLINE void autotempShutdown(){
void PID_autotune(float temp, int extruder, int ncycles);
+void setExtruderAutoFanState(int pin, bool state);
+void checkExtruderAutoFans();
+
#endif
--
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