From e8b10d2836a126d18c08a014afb53443e51efaee Mon Sep 17 00:00:00 2001 From: Elijah Snyder 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;