From d24f14a799bd76f22c7eea573db578c9ebe4bd92 Mon Sep 17 00:00:00 2001
From: Scott Lahteine <sourcetree@thinkyhead.com>
Date: Sun, 3 Apr 2016 16:18:49 -0700
Subject: [PATCH] Add HAS_TEMP_HOTEND define

---
 Marlin/Conditionals.h  |  2 ++
 Marlin/Marlin.h        |  2 +-
 Marlin/Marlin_main.cpp | 10 +++++-----
 Marlin/temperature.cpp |  4 ++--
 4 files changed, 10 insertions(+), 8 deletions(-)

diff --git a/Marlin/Conditionals.h b/Marlin/Conditionals.h
index 91760045d7..e4b610d9dd 100644
--- a/Marlin/Conditionals.h
+++ b/Marlin/Conditionals.h
@@ -581,6 +581,8 @@
 
   #define HAS_MOTOR_CURRENT_PWM (PIN_EXISTS(MOTOR_CURRENT_PWM_XY) || PIN_EXISTS(MOTOR_CURRENT_PWM_Z) || PIN_EXISTS(MOTOR_CURRENT_PWM_E))
 
+  #define HAS_TEMP_HOTEND (HAS_TEMP_0 || ENABLED(HEATER_0_USES_MAX6675))
+
   /**
    * Helper Macros for heaters and extruder fan
    */
diff --git a/Marlin/Marlin.h b/Marlin/Marlin.h
index c425a3b049..c6274056c1 100644
--- a/Marlin/Marlin.h
+++ b/Marlin/Marlin.h
@@ -368,7 +368,7 @@ extern uint8_t active_extruder;
   extern void digipot_i2c_init();
 #endif
 
-#if HAS_TEMP_0 || HAS_TEMP_BED || ENABLED(HEATER_0_USES_MAX6675)
+#if HAS_TEMP_HOTEND || HAS_TEMP_BED
   void print_heaterstates();
 #endif
 
diff --git a/Marlin/Marlin_main.cpp b/Marlin/Marlin_main.cpp
index 968555ca4a..99192f4f1c 100644
--- a/Marlin/Marlin_main.cpp
+++ b/Marlin/Marlin_main.cpp
@@ -4100,10 +4100,10 @@ inline void gcode_M104() {
   if (print_job_stop()) LCD_MESSAGEPGM(WELCOME_MSG);
 }
 
-#if HAS_TEMP_0 || HAS_TEMP_BED || ENABLED(HEATER_0_USES_MAX6675)
+#if HAS_TEMP_HOTEND || HAS_TEMP_BED
 
   void print_heaterstates() {
-    #if HAS_TEMP_0 || ENABLED(HEATER_0_USES_MAX6675)
+    #if HAS_TEMP_HOTEND
       SERIAL_PROTOCOLPGM(" T:");
       SERIAL_PROTOCOL_F(degHotend(target_extruder), 1);
       SERIAL_PROTOCOLPGM(" /");
@@ -4179,10 +4179,10 @@ inline void gcode_M104() {
 inline void gcode_M105() {
   if (setTargetedHotend(105)) return;
 
-  #if HAS_TEMP_0 || HAS_TEMP_BED || ENABLED(HEATER_0_USES_MAX6675)
+  #if HAS_TEMP_HOTEND || HAS_TEMP_BED
     SERIAL_PROTOCOLPGM(MSG_OK);
     print_heaterstates();
-  #else // !HAS_TEMP_0 && !HAS_TEMP_BED
+  #else // !HAS_TEMP_HOTEND && !HAS_TEMP_BED
     SERIAL_ERROR_START;
     SERIAL_ERRORLNPGM(MSG_ERR_NO_THERMISTORS);
   #endif
@@ -4271,7 +4271,7 @@ inline void gcode_M109() {
     now = millis();
     if (now > next_temp_ms) { //Print temp & remaining time every 1s while waiting
       next_temp_ms = now + 1000UL;
-      #if HAS_TEMP_0 || HAS_TEMP_BED || ENABLED(HEATER_0_USES_MAX6675)
+      #if HAS_TEMP_HOTEND || HAS_TEMP_BED
         print_heaterstates();
       #endif
       #ifdef TEMP_RESIDENCY_TIME
diff --git a/Marlin/temperature.cpp b/Marlin/temperature.cpp
index d20b6e7054..22797a06fb 100644
--- a/Marlin/temperature.cpp
+++ b/Marlin/temperature.cpp
@@ -350,7 +350,7 @@ void PID_autotune(float temp, int extruder, int ncycles, bool set_result/*=false
     }
     // Every 2 seconds...
     if (ms > temp_ms + 2000) {
-      #if HAS_TEMP_0 || HAS_TEMP_BED || ENABLED(HEATER_0_USES_MAX6675)
+      #if HAS_TEMP_HOTEND || HAS_TEMP_BED
         print_heaterstates();
         SERIAL_EOL;
       #endif
@@ -1183,7 +1183,7 @@ void disable_all_heaters() {
     WRITE_HEATER_ ## NR (LOW); \
   }
 
-  #if HAS_TEMP_0 || ENABLED(HEATER_0_USES_MAX6675)
+  #if HAS_TEMP_HOTEND
     setTargetHotend(0, 0);
     soft_pwm[0] = 0;
     WRITE_HEATER_0P(LOW); // Should HEATERS_PARALLEL apply here? Then change to DISABLE_HEATER(0)
-- 
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