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✨ Controllerfan PWM scaling, kickstart (#24873)

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InsanityAutomation 2022-10-21 14:03:38 -04:00 committed by Scott Lahteine
parent bdd5da5098
commit c8b2d0c0fd
7 changed files with 53 additions and 23 deletions
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12
Marlin/Configuration_adv.h
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@ -552,10 +552,14 @@
#endif
#endif
// When first starting the main fan, run it at full speed for the
// given number of milliseconds. This gets the fan spinning reliably
// before setting a PWM value. (Does not work with software PWM for fan on Sanguinololu)
//#define FAN_KICKSTART_TIME 100
/**
* Fan Kickstart
* When part cooling or controller fans first start, run at a speed that
* gets it spinning reliably for a short time before setting the requested speed.
* (Does not work on Sanguinololu with FAN_SOFT_PWM.)
*/
//#define FAN_KICKSTART_TIME 100 // (ms)
//#define FAN_KICKSTART_POWER 180 // 64-255
// Some coolers may require a non-zero "off" state.
//#define FAN_OFF_PWM 1

16
Marlin/src/feature/controllerfan.cpp
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@ -72,6 +72,22 @@ void ControllerFan::update() {
? settings.active_speed : settings.idle_speed
);
speed = CALC_FAN_SPEED(speed);
#if FAN_KICKSTART_TIME
static millis_t fan_kick_end = 0;
if (speed > FAN_OFF_PWM) {
if (!fan_kick_end) {
fan_kick_end = ms + FAN_KICKSTART_TIME; // May be longer based on slow update interval for controller fn check. Sets minimum
speed = FAN_KICKSTART_POWER;
}
else if (PENDING(ms, fan_kick_end))
speed = FAN_KICKSTART_POWER;
}
else
fan_kick_end = 0;
#endif
#if ENABLED(FAN_SOFT_PWM)
thermalManager.soft_pwm_controller_speed = speed;
#else

11
Marlin/src/inc/Conditionals_adv.h
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@ -1074,3 +1074,14 @@
#if ANY(DISABLE_INACTIVE_X, DISABLE_INACTIVE_Y, DISABLE_INACTIVE_Z, DISABLE_INACTIVE_I, DISABLE_INACTIVE_J, DISABLE_INACTIVE_K, DISABLE_INACTIVE_U, DISABLE_INACTIVE_V, DISABLE_INACTIVE_W, DISABLE_INACTIVE_E)
#define HAS_DISABLE_INACTIVE_AXIS 1
#endif
// Fan Kickstart
#if FAN_KICKSTART_TIME && !defined(FAN_KICKSTART_POWER)
#define FAN_KICKSTART_POWER 180
#endif
#if FAN_MIN_PWM == 0 && FAN_MAX_PWM == 255
#define CALC_FAN_SPEED(f) (f ?: FAN_OFF_PWM)
#else
#define CALC_FAN_SPEED(f) (f ? map(f, 1, 255, FAN_MIN_PWM, FAN_MAX_PWM) : FAN_OFF_PWM)
#endif

5
Marlin/src/inc/SanityCheck.h
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@ -1513,6 +1513,11 @@ static_assert(Y_MAX_LENGTH >= Y_BED_SIZE, "Movement bounds (Y_MIN_POS, Y_MAX_POS
#error "To use BED_LIMIT_SWITCHING you must disable PIDTEMPBED."
#endif
// Fan Kickstart
#if FAN_KICKSTART_TIME && defined(FAN_KICKSTART_POWER) && !WITHIN(FAN_KICKSTART_POWER, 64, 255)
#error "FAN_KICKSTART_POWER must be an integer from 64 to 255."
#endif
/**
* Synchronous M106/M107 checks
*/

16
Marlin/src/module/planner.cpp
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@ -1282,16 +1282,10 @@ void Planner::recalculate(TERN_(HINTS_SAFE_EXIT_SPEED, const_float_t safe_exit_s
void Planner::sync_fan_speeds(uint8_t (&fan_speed)[FAN_COUNT]) {
#if FAN_MIN_PWM != 0 || FAN_MAX_PWM != 255
#define CALC_FAN_SPEED(f) (fan_speed[f] ? map(fan_speed[f], 1, 255, FAN_MIN_PWM, FAN_MAX_PWM) : FAN_OFF_PWM)
#else
#define CALC_FAN_SPEED(f) (fan_speed[f] ?: FAN_OFF_PWM)
#endif
#if ENABLED(FAN_SOFT_PWM)
#define _FAN_SET(F) thermalManager.soft_pwm_amount_fan[F] = CALC_FAN_SPEED(F);
#define _FAN_SET(F) thermalManager.soft_pwm_amount_fan[F] = CALC_FAN_SPEED(fan_speed[F]);
#else
#define _FAN_SET(F) hal.set_pwm_duty(pin_t(FAN##F##_PIN), CALC_FAN_SPEED(F));
#define _FAN_SET(F) hal.set_pwm_duty(pin_t(FAN##F##_PIN), CALC_FAN_SPEED(fan_speed[F]));
#endif
#define FAN_SET(F) do{ kickstart_fan(fan_speed, ms, F); _FAN_SET(F); }while(0)
@ -1306,13 +1300,13 @@ void Planner::recalculate(TERN_(HINTS_SAFE_EXIT_SPEED, const_float_t safe_exit_s
void Planner::kickstart_fan(uint8_t (&fan_speed)[FAN_COUNT], const millis_t &ms, const uint8_t f) {
static millis_t fan_kick_end[FAN_COUNT] = { 0 };
if (fan_speed[f]) {
if (fan_speed[f] > FAN_OFF_PWM) {
if (fan_kick_end[f] == 0) {
fan_kick_end[f] = ms + FAN_KICKSTART_TIME;
fan_speed[f] = 255;
fan_speed[f] = FAN_KICKSTART_POWER;
}
else if (PENDING(ms, fan_kick_end[f]))
fan_speed[f] = 255;
fan_speed[f] = FAN_KICKSTART_POWER;
}
else
fan_kick_end[f] = 0;

14
Marlin/src/module/temperature.cpp
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@ -306,19 +306,19 @@ PGMSTR(str_t_heating_failed, STR_T_HEATING_FAILED);
#endif
#if EITHER(AUTO_POWER_E_FANS, HAS_FANCHECK)
uint8_t Temperature::autofan_speed[HOTENDS]; // = { 0 }
uint8_t Temperature::autofan_speed[HOTENDS] = ARRAY_N_1(HOTENDS, FAN_OFF_PWM);
#endif
#if ENABLED(AUTO_POWER_CHAMBER_FAN)
uint8_t Temperature::chamberfan_speed; // = 0
uint8_t Temperature::chamberfan_speed = FAN_OFF_PWM;
#endif
#if ENABLED(AUTO_POWER_COOLER_FAN)
uint8_t Temperature::coolerfan_speed; // = 0
uint8_t Temperature::coolerfan_speed = FAN_OFF_PWM;
#endif
#if BOTH(FAN_SOFT_PWM, USE_CONTROLLER_FAN)
uint8_t Temperature::soft_pwm_controller_speed;
uint8_t Temperature::soft_pwm_controller_speed = FAN_OFF_PWM;
#endif
// Init fans according to whether they're native PWM or Software PWM
@ -342,11 +342,11 @@ PGMSTR(str_t_heating_failed, STR_T_HEATING_FAILED);
// HAS_FAN does not include CONTROLLER_FAN
#if HAS_FAN
uint8_t Temperature::fan_speed[FAN_COUNT]; // = { 0 }
uint8_t Temperature::fan_speed[FAN_COUNT] = ARRAY_N_1(FAN_COUNT, FAN_OFF_PWM);
#if ENABLED(EXTRA_FAN_SPEED)
Temperature::extra_fan_t Temperature::extra_fan_speed[FAN_COUNT];
Temperature::extra_fan_t Temperature::extra_fan_speed[FAN_COUNT] = ARRAY_N_1(FAN_COUNT, FAN_OFF_PWM);
/**
* Handle the M106 P<fan> T<speed> command:
@ -373,7 +373,7 @@ PGMSTR(str_t_heating_failed, STR_T_HEATING_FAILED);
#if EITHER(PROBING_FANS_OFF, ADVANCED_PAUSE_FANS_PAUSE)
bool Temperature::fans_paused; // = false;
uint8_t Temperature::saved_fan_speed[FAN_COUNT]; // = { 0 }
uint8_t Temperature::saved_fan_speed[FAN_COUNT] = ARRAY_N_1(FAN_COUNT, FAN_OFF_PWM);
#endif
#if ENABLED(ADAPTIVE_FAN_SLOWING)

2
Marlin/src/module/tool_change.cpp
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@ -917,7 +917,7 @@ void fast_line_to_current(const AxisEnum fr_axis) { _line_to_current(fr_axis, 0.
#if HAS_FAN && TOOLCHANGE_FS_FAN >= 0
thermalManager.fan_speed[TOOLCHANGE_FS_FAN] = toolchange_settings.fan_speed;
gcode.dwell(SEC_TO_MS(toolchange_settings.fan_time));
thermalManager.fan_speed[TOOLCHANGE_FS_FAN] = 0;
thermalManager.fan_speed[TOOLCHANGE_FS_FAN] = FAN_OFF_PWM;
#endif
}