Marlin 2.0 for Flying Bear 4S/5
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/**
* Marlin 3D Printer Firmware
5 years ago
* 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 <https://www.gnu.org/licenses/>.
*
*/
#pragma once
/**
* feature/spindle_laser.h
* Support for Laser Power or Spindle Power & Direction
*/
#include "../inc/MarlinConfig.h"
#include "spindle_laser_types.h"
#if ENABLED(LASER_POWER_INLINE)
#include "../module/planner.h"
#endif
#define PCT_TO_PWM(X) ((X) * 255 / 100)
#ifndef SPEED_POWER_INTERCEPT
#define SPEED_POWER_INTERCEPT 0
#endif
#define SPEED_POWER_FLOOR TERN(CUTTER_POWER_RELATIVE, SPEED_POWER_MIN, 0)
// #define _MAP(N,S1,S2,D1,D2) ((N)*_MAX((D2)-(D1),0)/_MAX((S2)-(S1),1)+(D1))
class SpindleLaser {
public:
static constexpr float
min_pct = round(TERN(CUTTER_POWER_RELATIVE, 0, (100 * float(SPEED_POWER_MIN) / TERN(SPINDLE_FEATURE, float(SPEED_POWER_MAX), 100)))),
max_pct = round(TERN(SPINDLE_FEATURE, 100, float(SPEED_POWER_MAX)));
static const inline uint8_t pct_to_ocr(const float pct) { return uint8_t(PCT_TO_PWM(pct)); }
// cpower = configured values (ie SPEED_POWER_MAX)
static const inline uint8_t cpwr_to_pct(const cutter_cpower_t cpwr) { // configured value to pct
return unitPower ? round(100 * (cpwr - SPEED_POWER_FLOOR) / (SPEED_POWER_MAX - SPEED_POWER_FLOOR)) : 0;
}
// Convert a configured value (cpower)(ie SPEED_POWER_STARTUP) to unit power (upwr, upower),
// which can be PWM, Percent, or RPM (rel/abs).
static const inline cutter_power_t cpwr_to_upwr(const cutter_cpower_t cpwr) { // STARTUP power to Unit power
const cutter_power_t upwr = (
#if ENABLED(SPINDLE_FEATURE)
// Spindle configured values are in RPM
#if CUTTER_UNIT_IS(RPM)
cpwr // to RPM
#elif CUTTER_UNIT_IS(PERCENT) // to PCT
cpwr_to_pct(cpwr)
#else // to PWM
PCT_TO_PWM(cpwr_to_pct(cpwr))
#endif
#else
// Laser configured values are in PCT
#if CUTTER_UNIT_IS(PWM255)
PCT_TO_PWM(cpwr)
#else
cpwr // to RPM/PCT
#endif
#endif
);
return upwr;
}
static const cutter_power_t mpower_min() { return cpwr_to_upwr(SPEED_POWER_MIN); }
static const cutter_power_t mpower_max() { return cpwr_to_upwr(SPEED_POWER_MAX); }
static bool isReady; // Ready to apply power setting from the UI to OCR
static uint8_t power;
#if ENABLED(MARLIN_DEV_MODE)
static cutter_frequency_t frequency; // Set PWM frequency; range: 2K-50K
#endif
static cutter_power_t menuPower, // Power as set via LCD menu in PWM, Percentage or RPM
unitPower; // Power as displayed status in PWM, Percentage or RPM
static void init();
#if ENABLED(MARLIN_DEV_MODE)
static inline void refresh_frequency() { set_pwm_frequency(pin_t(SPINDLE_LASER_PWM_PIN), frequency); }
#endif
// Modifying this function should update everywhere
static inline bool enabled(const cutter_power_t opwr) { return opwr > 0; }
static inline bool enabled() { return enabled(power); }
static void apply_power(const uint8_t inpow);
FORCE_INLINE static void refresh() { apply_power(power); }
FORCE_INLINE static void set_power(const uint8_t upwr) { power = upwr; refresh(); }
#if ENABLED(SPINDLE_LASER_PWM)
static void set_ocr(const uint8_t ocr);
static inline void set_ocr_power(const uint8_t ocr) { power = ocr; set_ocr(ocr); }
static void ocr_off();
// Used to update output for power->OCR translation
static inline uint8_t upower_to_ocr(const cutter_power_t upwr) {
return (
#if CUTTER_UNIT_IS(PWM255)
uint8_t(upwr)
#elif CUTTER_UNIT_IS(PERCENT)
pct_to_ocr(upwr)
#else
uint8_t(pct_to_ocr(cpwr_to_pct(upwr)))
#endif
);
}
// Correct power to configured range
static inline cutter_power_t power_to_range(const cutter_power_t pwr) {
return power_to_range(pwr, (
#if CUTTER_UNIT_IS(PWM255)
0
#elif CUTTER_UNIT_IS(PERCENT)
1
#elif CUTTER_UNIT_IS(RPM)
2
#else
#error "???"
#endif
));
}
static inline cutter_power_t power_to_range(const cutter_power_t pwr, const uint8_t pwrUnit) {
if (pwr <= 0) return 0;
cutter_power_t upwr;
switch (pwrUnit) {
case 0: // PWM
upwr = cutter_power_t(
(pwr < pct_to_ocr(min_pct)) ? pct_to_ocr(min_pct) // Use minimum if set below
: (pwr > pct_to_ocr(max_pct)) ? pct_to_ocr(max_pct) // Use maximum if set above
: pwr
);
break;
case 1: // PERCENT
upwr = cutter_power_t(
(pwr < min_pct) ? min_pct // Use minimum if set below
: (pwr > max_pct) ? max_pct // Use maximum if set above
: pwr // PCT
);
break;
case 2: // RPM
upwr = cutter_power_t(
(pwr < SPEED_POWER_MIN) ? SPEED_POWER_MIN // Use minimum if set below
: (pwr > SPEED_POWER_MAX) ? SPEED_POWER_MAX // Use maximum if set above
: pwr // Calculate OCR value
);
break;
default: break;
}
return upwr;
}
#endif // SPINDLE_LASER_PWM
static inline void set_enabled(const bool enable) {
set_power(enable ? TERN(SPINDLE_LASER_PWM, (power ?: (unitPower ? upower_to_ocr(cpwr_to_upwr(SPEED_POWER_STARTUP)) : 0)), 255) : 0);
}
// Wait for spindle to spin up or spin down
static inline void power_delay(const bool on) {
#if DISABLED(LASER_POWER_INLINE)
safe_delay(on ? SPINDLE_LASER_POWERUP_DELAY : SPINDLE_LASER_POWERDOWN_DELAY);
#endif
}
#if ENABLED(SPINDLE_CHANGE_DIR)
static void set_direction(const bool reverse);
#else
static inline void set_direction(const bool) {}
#endif
static inline void disable() { isReady = false; set_enabled(false); }
#if HAS_LCD_MENU
static inline void enable_with_dir(const bool reverse) {
isReady = true;
const uint8_t ocr = TERN(SPINDLE_LASER_PWM, upower_to_ocr(menuPower), 255);
if (menuPower)
power = ocr;
else
menuPower = cpwr_to_upwr(SPEED_POWER_STARTUP);
unitPower = menuPower;
set_direction(reverse);
set_enabled(true);
}
FORCE_INLINE static void enable_forward() { enable_with_dir(false); }
FORCE_INLINE static void enable_reverse() { enable_with_dir(true); }
#if ENABLED(SPINDLE_LASER_PWM)
static inline void update_from_mpower() {
if (isReady) power = upower_to_ocr(menuPower);
unitPower = menuPower;
}
#endif
#endif
#if ENABLED(LASER_POWER_INLINE)
/**
* Inline power adds extra fields to the planner block
* to handle laser power and scale to movement speed.
*/
// Force disengage planner power control
static inline void inline_disable() {
isReady = false;
unitPower = 0;
planner.laser_inline.status.isPlanned = false;
planner.laser_inline.status.isEnabled = false;
planner.laser_inline.power = 0;
}
// Inline modes of all other functions; all enable planner inline power control
static inline void set_inline_enabled(const bool enable) {
if (enable)
inline_power(cpwr_to_upwr(SPEED_POWER_STARTUP));
else {
isReady = false;
unitPower = menuPower = 0;
planner.laser_inline.status.isPlanned = false;
TERN(SPINDLE_LASER_PWM, inline_ocr_power, inline_power)(0);
}
}
// Set the power for subsequent movement blocks
static void inline_power(const cutter_power_t upwr) {
unitPower = menuPower = upwr;
#if ENABLED(SPINDLE_LASER_PWM)
#if ENABLED(SPEED_POWER_RELATIVE) && !CUTTER_UNIT_IS(RPM) // relative mode does not turn laser off at 0, except for RPM
planner.laser_inline.status.isEnabled = true;
planner.laser_inline.power = upower_to_ocr(upwr);
isReady = true;
#else
inline_ocr_power(upower_to_ocr(upwr));
#endif
#else
planner.laser_inline.status.isEnabled = enabled(upwr);
planner.laser_inline.power = upwr;
isReady = enabled(upwr);
#endif
}
static inline void inline_direction(const bool) { /* never */ }
#if ENABLED(SPINDLE_LASER_PWM)
static inline void inline_ocr_power(const uint8_t ocrpwr) {
isReady = ocrpwr > 0;
planner.laser_inline.status.isEnabled = ocrpwr > 0;
planner.laser_inline.power = ocrpwr;
}
#endif
#endif // LASER_POWER_INLINE
static inline void kill() {
TERN_(LASER_POWER_INLINE, inline_disable());
disable();
}
};
extern SpindleLaser cutter;