spindle_control.h - spindle control methods
Part of Grbl v0.9
Copyright (c) 2012-2014 Sungeun K. Jeon
Grbl is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
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This file is based on work from Grbl v0.8, distributed under the
terms of the MIT-license. See COPYING for more details.
Copyright (c) 2009-2011 Simen Svale Skogsrud
Copyright (c) 2012 Sungeun K. Jeon
// Initializes spindle pins and hardware PWM, if enabled.
// Sets spindle direction and spindle rpm via PWM, if enabled.
void spindle_run(uint8_t direction, float rpm);
// Kills spindle.