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⚗️ Use pwm_set_duty over analogWrite to set PWM (#23048)

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Co-authored-by: Scott Lahteine <thinkyhead@users.noreply.github.com>
This commit is contained in:
Andrei M
2021-11-02 01:47:16 -04:00
committed by Scott Lahteine
parent b033da1782
commit 0d91b07797
26 changed files with 159 additions and 126 deletions
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16
Marlin/src/HAL/LPC1768/fast_pwm.cpp
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@@ -22,18 +22,18 @@
#ifdef TARGET_LPC1768
#include "../../inc/MarlinConfigPre.h"
#if NEEDS_HARDWARE_PWM // Specific meta-flag for features that mandate 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 // NEEDS_HARDWARE_PWM
#if NEEDS_HARDWARE_PWM // Specific meta-flag for features that mandate PWM
void set_pwm_frequency(const pin_t pin, int f_desired) {
LPC176x::pwm_set_frequency(pin, f_desired);
}
#endif
#endif // TARGET_LPC1768