ManuelW/grbl-LPC-CoreXY
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Simen Svale Skogsrud 2009-02-09 20:54:03 +01:00
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motion_control.c
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@ -240,7 +240,7 @@ void mc_arc(double theta, double angular_travel, double radius, int axis_1, int
// The amount of steppings performed while tracing a half circle is equal to the sum of sides in a // The amount of steppings performed while tracing a half circle is equal to the sum of sides in a
// square inscribed in the circle. We use this to estimate the amount of steps as if this arc was a half circle: // square inscribed in the circle. We use this to estimate the amount of steps as if this arc was a half circle:
uint32_t steps_in_half_circle = round((4*radius_steps)/sqrt(2))); uint32_t steps_in_half_circle = round((4*radius_steps)/sqrt(2));
// We then calculate the millimeters of travel along the circumference of that same half circle // We then calculate the millimeters of travel along the circumference of that same half circle
double millimeters_half_circumference = radius*M_PI; double millimeters_half_circumference = radius*M_PI;
// Then we calculate the microseconds between each step as if we will trace the full circle. // Then we calculate the microseconds between each step as if we will trace the full circle.