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Move FAST_PWM_FAN code to HALs (#13491)

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This commit is contained in:
Chris Pepper
2019-03-26 06:03:23 +00:00
committed by Scott Lahteine
parent 263f8edff8
commit ffc2c2d7c5
18 changed files with 369 additions and 284 deletions
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16
Marlin/src/HAL/HAL_LPC1768/HAL.h
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@ -157,3 +157,19 @@ void HAL_idletask(void);
#define PLATFORM_M997_SUPPORT
void flashFirmware(int16_t value);
/**
* set_pwm_frequency
* Set the frequency of the timer corresponding to the provided pin
* All Hardware PWM pins run at the same frequency and all
* Software PWM pins run at the same frequency
*/
void set_pwm_frequency(const pin_t pin, int f_desired);
/**
* set_pwm_duty
* Set the PWM duty cycle of the provided pin to the provided value
* Optionally allows inverting the duty cycle [default = false]
* Optionally allows changing the maximum size of the provided value to enable finer PWM duty control [default = 255]
*/
void set_pwm_duty(const pin_t pin, const uint16_t v, const uint16_t v_size=255, const bool invert=false);

40
Marlin/src/HAL/HAL_LPC1768/fast_pwm.cpp Normal file
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@ -0,0 +1,40 @@
/**
* Marlin 3D Printer Firmware
* Copyright (C) 2019 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)
#include <pwm.h>
void set_pwm_frequency(const pin_t pin, int f_desired) {
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*/) {
pwm_write_ratio(pin, invert ? 1.0f - (float)v / v_size : (float)v / v_size);
}
#endif // FAST_PWM_FAN
#endif // TARGET_LPC1768