Firmware2/Marlin/src/HAL/HAL_LPC1768/fast_pwm.cpp
Scott Lahteine bfad23d3e2 (c) 2020
2020-02-03 08:00:57 -06:00

41 lines
1.3 KiB
C++

/**
* Marlin 3D Printer Firmware
* Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
*
* Based on Sprinter and grbl.
* Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
*
* This program 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
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#ifdef TARGET_LPC1768
#include "../../inc/MarlinConfigPre.h"
#if ENABLED(FAST_PWM_FAN) || SPINDLE_LASER_PWM
#include <pwm.h>
void set_pwm_frequency(const pin_t pin, int f_desired) {
LPC176x::pwm_set_frequency(pin, f_desired);
}
void set_pwm_duty(const pin_t pin, const uint16_t v, const uint16_t v_size/*=255*/, const bool invert/*=false*/) {
LPC176x::pwm_write_ratio(pin, invert ? 1.0f - (float)v / v_size : (float)v / v_size);
}
#endif // FAST_PWM_FAN || SPINDLE_LASER_PWM
#endif // TARGET_LPC1768