From 0c48eaf3de45b4cdec2780d05fc9a612cccc60cf Mon Sep 17 00:00:00 2001
From: Scott Lahteine <sourcetree@thinkyhead.com>
Date: Fri, 11 Mar 2016 02:24:22 -0800
Subject: [PATCH] Expose motor current in more configs, disable by default

---
 Marlin/Configuration_adv.h                                    | 4 ++--
 Marlin/example_configurations/Felix/Configuration_adv.h       | 3 +++
 Marlin/example_configurations/Hephestos/Configuration_adv.h   | 3 +++
 Marlin/example_configurations/K8200/Configuration_adv.h       | 3 +++
 Marlin/example_configurations/RigidBot/Configuration_adv.h    | 3 +++
 Marlin/example_configurations/SCARA/Configuration_adv.h       | 3 +++
 Marlin/example_configurations/TAZ4/Configuration_adv.h        | 3 +++
 Marlin/example_configurations/WITBOX/Configuration_adv.h      | 3 +++
 .../example_configurations/delta/biv2.5/Configuration_adv.h   | 3 +++
 .../example_configurations/delta/generic/Configuration_adv.h  | 3 +++
 .../delta/kossel_mini/Configuration_adv.h                     | 3 +++
 .../delta/kossel_pro/Configuration_adv.h                      | 3 +++
 .../delta/kossel_xl/Configuration_adv.h                       | 3 +++
 Marlin/example_configurations/makibox/Configuration_adv.h     | 3 +++
 .../example_configurations/tvrrug/Round2/Configuration_adv.h  | 3 +++
 Marlin/stepper.cpp                                            | 2 +-
 16 files changed, 45 insertions(+), 3 deletions(-)

diff --git a/Marlin/Configuration_adv.h b/Marlin/Configuration_adv.h
index e8f3dedca..edc48e3a9 100644
--- a/Marlin/Configuration_adv.h
+++ b/Marlin/Configuration_adv.h
@@ -274,8 +274,8 @@
 // Motor Current setting (Only functional when motor driver current ref pins are connected to a digital trimpot on supported boards)
 #define DIGIPOT_MOTOR_CURRENT {135,135,135,135,135} // Values 0-255 (RAMBO 135 = ~0.75A, 185 = ~1A)
 
-// Motor Current controlled via PWM (Only functional when motor driver current is driven by PWM on supported boards)
-#define PWM_MOTOR_CURRENT {1300, 1300, 1250} // Values in milliamps
+// Motor Current controlled via PWM (Overridable on supported boards with PWM-driven motor driver current)
+//#define PWM_MOTOR_CURRENT {1300, 1300, 1250} // Values in milliamps
    
 // uncomment to enable an I2C based DIGIPOT like on the Azteeg X3 Pro
 //#define DIGIPOT_I2C
diff --git a/Marlin/example_configurations/Felix/Configuration_adv.h b/Marlin/example_configurations/Felix/Configuration_adv.h
index b8a35a855..7d6cf0086 100644
--- a/Marlin/example_configurations/Felix/Configuration_adv.h
+++ b/Marlin/example_configurations/Felix/Configuration_adv.h
@@ -274,6 +274,9 @@
 // Motor Current setting (Only functional when motor driver current ref pins are connected to a digital trimpot on supported boards)
 #define DIGIPOT_MOTOR_CURRENT {135,135,135,135,135} // Values 0-255 (RAMBO 135 = ~0.75A, 185 = ~1A)
 
+// Motor Current controlled via PWM (Overridable on supported boards with PWM-driven motor driver current)
+//#define PWM_MOTOR_CURRENT {1300, 1300, 1250} // Values in milliamps
+   
 // uncomment to enable an I2C based DIGIPOT like on the Azteeg X3 Pro
 //#define DIGIPOT_I2C
 // Number of channels available for I2C digipot, For Azteeg X3 Pro we have 8
diff --git a/Marlin/example_configurations/Hephestos/Configuration_adv.h b/Marlin/example_configurations/Hephestos/Configuration_adv.h
index 33570f9fe..063b6c572 100644
--- a/Marlin/example_configurations/Hephestos/Configuration_adv.h
+++ b/Marlin/example_configurations/Hephestos/Configuration_adv.h
@@ -274,6 +274,9 @@
 // Motor Current setting (Only functional when motor driver current ref pins are connected to a digital trimpot on supported boards)
 #define DIGIPOT_MOTOR_CURRENT {135,135,135,135,135} // Values 0-255 (RAMBO 135 = ~0.75A, 185 = ~1A)
 
+// Motor Current controlled via PWM (Overridable on supported boards with PWM-driven motor driver current)
+//#define PWM_MOTOR_CURRENT {1300, 1300, 1250} // Values in milliamps
+   
 // uncomment to enable an I2C based DIGIPOT like on the Azteeg X3 Pro
 //#define DIGIPOT_I2C
 // Number of channels available for I2C digipot, For Azteeg X3 Pro we have 8
diff --git a/Marlin/example_configurations/K8200/Configuration_adv.h b/Marlin/example_configurations/K8200/Configuration_adv.h
index ef1b84902..5fcecf308 100644
--- a/Marlin/example_configurations/K8200/Configuration_adv.h
+++ b/Marlin/example_configurations/K8200/Configuration_adv.h
@@ -279,6 +279,9 @@
 // Motor Current setting (Only functional when motor driver current ref pins are connected to a digital trimpot on supported boards)
 #define DIGIPOT_MOTOR_CURRENT {135,135,135,135,135} // Values 0-255 (RAMBO 135 = ~0.75A, 185 = ~1A)
 
+// Motor Current controlled via PWM (Overridable on supported boards with PWM-driven motor driver current)
+//#define PWM_MOTOR_CURRENT {1300, 1300, 1250} // Values in milliamps
+   
 // uncomment to enable an I2C based DIGIPOT like on the Azteeg X3 Pro
 //#define DIGIPOT_I2C
 // Number of channels available for I2C digipot, For Azteeg X3 Pro we have 8
diff --git a/Marlin/example_configurations/RigidBot/Configuration_adv.h b/Marlin/example_configurations/RigidBot/Configuration_adv.h
index 9cdb3dd88..2a1ca9b70 100644
--- a/Marlin/example_configurations/RigidBot/Configuration_adv.h
+++ b/Marlin/example_configurations/RigidBot/Configuration_adv.h
@@ -274,6 +274,9 @@
 // Motor Current setting (Only functional when motor driver current ref pins are connected to a digital trimpot on supported boards)
 #define DIGIPOT_MOTOR_CURRENT {135,135,135,135,135} // Values 0-255 (RAMBO 135 = ~0.75A, 185 = ~1A)
 
+// Motor Current controlled via PWM (Overridable on supported boards with PWM-driven motor driver current)
+//#define PWM_MOTOR_CURRENT {1300, 1300, 1250} // Values in milliamps
+   
 // uncomment to enable an I2C based DIGIPOT like on the Azteeg X3 Pro
 //#define DIGIPOT_I2C
 // Number of channels available for I2C digipot, For Azteeg X3 Pro we have 8
diff --git a/Marlin/example_configurations/SCARA/Configuration_adv.h b/Marlin/example_configurations/SCARA/Configuration_adv.h
index f6bcaa43d..de9cab4a8 100644
--- a/Marlin/example_configurations/SCARA/Configuration_adv.h
+++ b/Marlin/example_configurations/SCARA/Configuration_adv.h
@@ -274,6 +274,9 @@
 // Motor Current setting (Only functional when motor driver current ref pins are connected to a digital trimpot on supported boards)
 #define DIGIPOT_MOTOR_CURRENT {135,135,135,135,135} // Values 0-255 (RAMBO 135 = ~0.75A, 185 = ~1A)
 
+// Motor Current controlled via PWM (Overridable on supported boards with PWM-driven motor driver current)
+//#define PWM_MOTOR_CURRENT {1300, 1300, 1250} // Values in milliamps
+   
 // uncomment to enable an I2C based DIGIPOT like on the Azteeg X3 Pro
 //#define DIGIPOT_I2C
 // Number of channels available for I2C digipot, For Azteeg X3 Pro we have 8
diff --git a/Marlin/example_configurations/TAZ4/Configuration_adv.h b/Marlin/example_configurations/TAZ4/Configuration_adv.h
index 58bf4bd36..ef98c649b 100644
--- a/Marlin/example_configurations/TAZ4/Configuration_adv.h
+++ b/Marlin/example_configurations/TAZ4/Configuration_adv.h
@@ -282,6 +282,9 @@
 // Motor Current setting (Only functional when motor driver current ref pins are connected to a digital trimpot on supported boards)
 #define DIGIPOT_MOTOR_CURRENT {175,175,240,135,135} // Values 0-255 (RAMBO 135 = ~0.75A, 185 = ~1A)
 
+// Motor Current controlled via PWM (Overridable on supported boards with PWM-driven motor driver current)
+//#define PWM_MOTOR_CURRENT {1300, 1300, 1250} // Values in milliamps
+   
 // uncomment to enable an I2C based DIGIPOT like on the Azteeg X3 Pro
 //#define DIGIPOT_I2C
 // Number of channels available for I2C digipot, For Azteeg X3 Pro we have 8
diff --git a/Marlin/example_configurations/WITBOX/Configuration_adv.h b/Marlin/example_configurations/WITBOX/Configuration_adv.h
index 33570f9fe..063b6c572 100644
--- a/Marlin/example_configurations/WITBOX/Configuration_adv.h
+++ b/Marlin/example_configurations/WITBOX/Configuration_adv.h
@@ -274,6 +274,9 @@
 // Motor Current setting (Only functional when motor driver current ref pins are connected to a digital trimpot on supported boards)
 #define DIGIPOT_MOTOR_CURRENT {135,135,135,135,135} // Values 0-255 (RAMBO 135 = ~0.75A, 185 = ~1A)
 
+// Motor Current controlled via PWM (Overridable on supported boards with PWM-driven motor driver current)
+//#define PWM_MOTOR_CURRENT {1300, 1300, 1250} // Values in milliamps
+   
 // uncomment to enable an I2C based DIGIPOT like on the Azteeg X3 Pro
 //#define DIGIPOT_I2C
 // Number of channels available for I2C digipot, For Azteeg X3 Pro we have 8
diff --git a/Marlin/example_configurations/delta/biv2.5/Configuration_adv.h b/Marlin/example_configurations/delta/biv2.5/Configuration_adv.h
index 95671a88f..390f81ef7 100644
--- a/Marlin/example_configurations/delta/biv2.5/Configuration_adv.h
+++ b/Marlin/example_configurations/delta/biv2.5/Configuration_adv.h
@@ -276,6 +276,9 @@
 // Motor Current setting (Only functional when motor driver current ref pins are connected to a digital trimpot on supported boards)
 #define DIGIPOT_MOTOR_CURRENT {135,135,135,135,135} // Values 0-255 (RAMBO 135 = ~0.75A, 185 = ~1A)
 
+// Motor Current controlled via PWM (Overridable on supported boards with PWM-driven motor driver current)
+//#define PWM_MOTOR_CURRENT {1300, 1300, 1250} // Values in milliamps
+   
 // uncomment to enable an I2C based DIGIPOT like on the Azteeg X3 Pro
 //#define DIGIPOT_I2C
 // Number of channels available for I2C digipot, For Azteeg X3 Pro we have 8
diff --git a/Marlin/example_configurations/delta/generic/Configuration_adv.h b/Marlin/example_configurations/delta/generic/Configuration_adv.h
index e0097db34..b6aeaf682 100644
--- a/Marlin/example_configurations/delta/generic/Configuration_adv.h
+++ b/Marlin/example_configurations/delta/generic/Configuration_adv.h
@@ -276,6 +276,9 @@
 // Motor Current setting (Only functional when motor driver current ref pins are connected to a digital trimpot on supported boards)
 #define DIGIPOT_MOTOR_CURRENT {135,135,135,135,135} // Values 0-255 (RAMBO 135 = ~0.75A, 185 = ~1A)
 
+// Motor Current controlled via PWM (Overridable on supported boards with PWM-driven motor driver current)
+//#define PWM_MOTOR_CURRENT {1300, 1300, 1250} // Values in milliamps
+   
 // uncomment to enable an I2C based DIGIPOT like on the Azteeg X3 Pro
 //#define DIGIPOT_I2C
 // Number of channels available for I2C digipot, For Azteeg X3 Pro we have 8
diff --git a/Marlin/example_configurations/delta/kossel_mini/Configuration_adv.h b/Marlin/example_configurations/delta/kossel_mini/Configuration_adv.h
index f5517422e..35f008678 100644
--- a/Marlin/example_configurations/delta/kossel_mini/Configuration_adv.h
+++ b/Marlin/example_configurations/delta/kossel_mini/Configuration_adv.h
@@ -275,6 +275,9 @@
 // Motor Current setting (Only functional when motor driver current ref pins are connected to a digital trimpot on supported boards)
 #define DIGIPOT_MOTOR_CURRENT {135,135,135,135,135} // Values 0-255 (RAMBO 135 = ~0.75A, 185 = ~1A)
 
+// Motor Current controlled via PWM (Overridable on supported boards with PWM-driven motor driver current)
+//#define PWM_MOTOR_CURRENT {1300, 1300, 1250} // Values in milliamps
+   
 // uncomment to enable an I2C based DIGIPOT like on the Azteeg X3 Pro
 //#define DIGIPOT_I2C
 // Number of channels available for I2C digipot, For Azteeg X3 Pro we have 8
diff --git a/Marlin/example_configurations/delta/kossel_pro/Configuration_adv.h b/Marlin/example_configurations/delta/kossel_pro/Configuration_adv.h
index fa43ece78..07c1a45cc 100644
--- a/Marlin/example_configurations/delta/kossel_pro/Configuration_adv.h
+++ b/Marlin/example_configurations/delta/kossel_pro/Configuration_adv.h
@@ -279,6 +279,9 @@
 // Motor Current setting (Only functional when motor driver current ref pins are connected to a digital trimpot on supported boards)
 #define DIGIPOT_MOTOR_CURRENT {135,135,135,135,135} // Values 0-255 (RAMBO 135 = ~0.75A, 185 = ~1A)
 
+// Motor Current controlled via PWM (Overridable on supported boards with PWM-driven motor driver current)
+//#define PWM_MOTOR_CURRENT {1300, 1300, 1250} // Values in milliamps
+   
 // uncomment to enable an I2C based DIGIPOT like on the Azteeg X3 Pro
 //#define DIGIPOT_I2C
 // Number of channels available for I2C digipot, For Azteeg X3 Pro we have 8
diff --git a/Marlin/example_configurations/delta/kossel_xl/Configuration_adv.h b/Marlin/example_configurations/delta/kossel_xl/Configuration_adv.h
index bd1ffd7cb..9fe1ce95b 100644
--- a/Marlin/example_configurations/delta/kossel_xl/Configuration_adv.h
+++ b/Marlin/example_configurations/delta/kossel_xl/Configuration_adv.h
@@ -274,6 +274,9 @@
 // Motor Current setting (Only functional when motor driver current ref pins are connected to a digital trimpot on supported boards)
 #define DIGIPOT_MOTOR_CURRENT {135,135,135,135,135} // Values 0-255 (RAMBO 135 = ~0.75A, 185 = ~1A)
 
+// Motor Current controlled via PWM (Overridable on supported boards with PWM-driven motor driver current)
+//#define PWM_MOTOR_CURRENT {1300, 1300, 1250} // Values in milliamps
+   
 // uncomment to enable an I2C based DIGIPOT like on the Azteeg X3 Pro
 //#define DIGIPOT_I2C
 // Number of channels available for I2C digipot, For Azteeg X3 Pro we have 8
diff --git a/Marlin/example_configurations/makibox/Configuration_adv.h b/Marlin/example_configurations/makibox/Configuration_adv.h
index 0f83ffbbb..dc2564d4b 100644
--- a/Marlin/example_configurations/makibox/Configuration_adv.h
+++ b/Marlin/example_configurations/makibox/Configuration_adv.h
@@ -274,6 +274,9 @@
 // Motor Current setting (Only functional when motor driver current ref pins are connected to a digital trimpot on supported boards)
 #define DIGIPOT_MOTOR_CURRENT {135,135,135,135,135} // Values 0-255 (RAMBO 135 = ~0.75A, 185 = ~1A)
 
+// Motor Current controlled via PWM (Overridable on supported boards with PWM-driven motor driver current)
+//#define PWM_MOTOR_CURRENT {1300, 1300, 1250} // Values in milliamps
+   
 // uncomment to enable an I2C based DIGIPOT like on the Azteeg X3 Pro
 //#define DIGIPOT_I2C
 // Number of channels available for I2C digipot, For Azteeg X3 Pro we have 8
diff --git a/Marlin/example_configurations/tvrrug/Round2/Configuration_adv.h b/Marlin/example_configurations/tvrrug/Round2/Configuration_adv.h
index 07b8e4c25..5cc4c77dd 100644
--- a/Marlin/example_configurations/tvrrug/Round2/Configuration_adv.h
+++ b/Marlin/example_configurations/tvrrug/Round2/Configuration_adv.h
@@ -274,6 +274,9 @@
 // Motor Current setting (Only functional when motor driver current ref pins are connected to a digital trimpot on supported boards)
 #define DIGIPOT_MOTOR_CURRENT {135,135,135,135,135} // Values 0-255 (RAMBO 135 = ~0.75A, 185 = ~1A)
 
+// Motor Current controlled via PWM (Overridable on supported boards with PWM-driven motor driver current)
+//#define PWM_MOTOR_CURRENT {1300, 1300, 1250} // Values in milliamps
+   
 // uncomment to enable an I2C based DIGIPOT like on the Azteeg X3 Pro
 //#define DIGIPOT_I2C
 // Number of channels available for I2C digipot, For Azteeg X3 Pro we have 8
diff --git a/Marlin/stepper.cpp b/Marlin/stepper.cpp
index b7fb2c537..6cb36fd06 100644
--- a/Marlin/stepper.cpp
+++ b/Marlin/stepper.cpp
@@ -91,7 +91,7 @@ static volatile char endstop_hit_bits = 0; // use X_MIN, Y_MIN, Z_MIN and Z_MIN_
   #ifndef PWM_MOTOR_CURRENT
     #define PWM_MOTOR_CURRENT DEFAULT_PWM_MOTOR_CURRENT
   #endif
-  int motor_current_setting[3] = PWM_MOTOR_CURRENT;
+  const int motor_current_setting[3] = PWM_MOTOR_CURRENT;
 #endif
 
 static bool check_endstops = true;