From e8b10d2836a126d18c08a014afb53443e51efaee Mon Sep 17 00:00:00 2001
From: Elijah Snyder <elijah.snyder1@gmail.com>
Date: Thu, 7 Jan 2016 11:05:30 -0600
Subject: [PATCH] Adding PWM_MOTOR_CURRENT flag to help expose
PWM_MOTOR_CURRENTS in Configuration_adv.h similar to DIGIPOT_MOTOR_CURRENT
---
Marlin/Configuration_adv.h | 3 +++
Marlin/stepper.cpp | 5 ++++-
2 files changed, 7 insertions(+), 1 deletion(-)
diff --git a/Marlin/Configuration_adv.h b/Marlin/Configuration_adv.h
index ae167f9c05..e8f3dedca2 100644
--- a/Marlin/Configuration_adv.h
+++ b/Marlin/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 (Only functional when motor driver current is driven by PWM on supported boards)
+#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 1a4a167992..b7fb2c5378 100644
--- a/Marlin/stepper.cpp
+++ b/Marlin/stepper.cpp
@@ -88,7 +88,10 @@ static volatile char endstop_hit_bits = 0; // use X_MIN, Y_MIN, Z_MIN and Z_MIN_
#endif
#if PIN_EXISTS(MOTOR_CURRENT_PWM_XY)
- int motor_current_setting[3] = DEFAULT_PWM_MOTOR_CURRENT;
+ #ifndef PWM_MOTOR_CURRENT
+ #define PWM_MOTOR_CURRENT DEFAULT_PWM_MOTOR_CURRENT
+ #endif
+ int motor_current_setting[3] = PWM_MOTOR_CURRENT;
#endif
static bool check_endstops = true;
--
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