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Merge upstream changes from Marlin 2.1.1

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This commit is contained in:
Stefan Kalscheuer
2022-09-03 09:23:32 +02:00
parent 626283aadb
commit 986e416c7f
1610 changed files with 73839 additions and 40857 deletions
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59
Marlin/src/HAL/STM32F1/fast_pwm.cpp
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@@ -21,32 +21,57 @@
*/
#ifdef __STM32F1__
#include "../../inc/MarlinConfigPre.h"
#if NEEDS_HARDWARE_PWM
#include "../../inc/MarlinConfig.h"
#include <pwm.h>
#include "HAL.h"
#include "timers.h"
void set_pwm_frequency(const pin_t pin, int f_desired) {
#define NR_TIMERS TERN(STM32_XL_DENSITY, 14, 8) // Maple timers, 14 for STM32_XL_DENSITY (F/G chips), 8 for HIGH density (C D E)
static uint16_t timer_freq[NR_TIMERS];
inline uint8_t timer_and_index_for_pin(const pin_t pin, timer_dev **timer_ptr) {
*timer_ptr = PIN_MAP[pin].timer_device;
for (uint8_t i = 0; i < NR_TIMERS; i++) if (*timer_ptr == HAL_get_timer_dev(i))
return i;
return 0;
}
void MarlinHAL::set_pwm_duty(const pin_t pin, const uint16_t v, const uint16_t v_size/*=255*/, const bool invert/*=false*/) {
const uint16_t duty = invert ? v_size - v : v;
if (PWM_PIN(pin)) {
timer_dev *timer; UNUSED(timer);
if (timer_freq[timer_and_index_for_pin(pin, &timer)] == 0)
set_pwm_frequency(pin, PWM_FREQUENCY);
const uint8_t channel = PIN_MAP[pin].timer_channel;
timer_set_compare(timer, channel, duty);
timer_set_mode(timer, channel, TIMER_PWM); // PWM Output Mode
}
else {
pinMode(pin, OUTPUT);
digitalWrite(pin, duty < v_size / 2 ? LOW : HIGH);
}
}
void MarlinHAL::set_pwm_frequency(const pin_t pin, const uint16_t f_desired) {
if (!PWM_PIN(pin)) return; // Don't proceed if no hardware timer
timer_dev *timer = PIN_MAP[pin].timer_device;
uint8_t channel = PIN_MAP[pin].timer_channel;
timer_dev *timer; UNUSED(timer);
timer_freq[timer_and_index_for_pin(pin, &timer)] = f_desired;
// Protect used timers
if (timer == get_timer_dev(TEMP_TIMER_NUM)) return;
if (timer == get_timer_dev(STEP_TIMER_NUM)) return;
#if PULSE_TIMER_NUM != STEP_TIMER_NUM
if (timer == get_timer_dev(PULSE_TIMER_NUM)) return;
if (timer == HAL_get_timer_dev(MF_TIMER_TEMP)) return;
if (timer == HAL_get_timer_dev(MF_TIMER_STEP)) return;
#if MF_TIMER_PULSE != MF_TIMER_STEP
if (timer == HAL_get_timer_dev(MF_TIMER_PULSE)) return;
#endif
if (!(timer->regs.bas->SR & TIMER_CR1_CEN)) // Ensure the timer is enabled
timer_init(timer);
const uint8_t channel = PIN_MAP[pin].timer_channel;
timer_set_mode(timer, channel, TIMER_PWM);
uint16_t preload = 255; // Lock 255 PWM resolution for high frequencies
// Preload (resolution) cannot be equal to duty of 255 otherwise it may not result in digital off or on.
uint16_t preload = 254;
int32_t prescaler = (HAL_TIMER_RATE) / (preload + 1) / f_desired - 1;
if (prescaler > 65535) { // For low frequencies increase prescaler
prescaler = 65535;
@@ -57,12 +82,4 @@ void set_pwm_frequency(const pin_t pin, int f_desired) {
timer_set_prescaler(timer, prescaler);
}
void set_pwm_duty(const pin_t pin, const uint16_t v, const uint16_t v_size/*=255*/, const bool invert/*=false*/) {
timer_dev *timer = PIN_MAP[pin].timer_device;
uint16_t max_val = timer->regs.bas->ARR * v / v_size;
if (invert) max_val = v_size - max_val;
pwmWrite(pin, max_val);
}
#endif // NEEDS_HARDWARE_PWM
#endif // __STM32F1__