Configurable number of M106 fans (#18883)
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@ -2275,6 +2275,10 @@
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// @section extras
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// Set number of user-controlled fans. Disable to use all board-defined fans.
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// :[1,2,3,4,5,6,7,8]
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//#define NUM_M106_FANS 1
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// Increase the FAN PWM frequency. Removes the PWM noise but increases heating in the FET/Arduino
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//#define FAST_PWM_FAN
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@ -1876,12 +1876,28 @@
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#undef AUTO_POWER_CHAMBER_FAN
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#endif
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// Other fans
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// Print Cooling fans (limit)
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#ifdef NUM_M106_FANS
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#define MAX_FANS NUM_M106_FANS
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#else
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#define MAX_FANS 8 // Max supported fans
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#endif
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#define _NOT_E_AUTO(N,F) (E##N##_AUTO_FAN_PIN != FAN##F##_PIN)
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#define _HAS_FAN(F) (PIN_EXISTS(FAN##F) \
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&& CONTROLLER_FAN_PIN != FAN##F##_PIN \
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&& _NOT_E_AUTO(0,F) \
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&& _NOT_E_AUTO(1,F) \
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&& _NOT_E_AUTO(2,F) \
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&& _NOT_E_AUTO(3,F) \
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&& _NOT_E_AUTO(4,F) \
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&& _NOT_E_AUTO(5,F) \
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&& _NOT_E_AUTO(6,F) \
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&& _NOT_E_AUTO(7,F) \
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&& F < MAX_FANS)
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#if PIN_EXISTS(FAN)
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#define HAS_FAN0 1
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#endif
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#define _NOT_E_AUTO(N,F) (E##N##_AUTO_FAN_PIN != FAN##F##_PIN)
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#define _HAS_FAN(F) (PIN_EXISTS(FAN##F) && CONTROLLER_FAN_PIN != FAN##F##_PIN && _NOT_E_AUTO(0,F) && _NOT_E_AUTO(1,F) && _NOT_E_AUTO(2,F) && _NOT_E_AUTO(3,F) && _NOT_E_AUTO(4,F) && _NOT_E_AUTO(5,F) && _NOT_E_AUTO(6,F) && _NOT_E_AUTO(7,F))
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#if _HAS_FAN(1)
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#define HAS_FAN1 1
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#endif
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@ -1106,6 +1106,13 @@ static_assert(Y_MAX_LENGTH >= Y_BED_SIZE, "Movement bounds (Y_MIN_POS, Y_MAX_POS
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#error "FANMUX0_PIN and FANMUX1_PIN must be set before FANMUX2_PIN can be set."
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#endif
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/**
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* Limited user-controlled fans
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*/
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#if NUM_M106_FANS > FAN_COUNT
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#error "The selected board doesn't support enough user-controlled fans. Reduce NUM_M106_FANS."
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#endif
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/**
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* Limited number of servos
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*/
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@ -195,7 +195,7 @@ const char str_t_thermal_runaway[] PROGMEM = STR_T_THERMAL_RUNAWAY,
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#endif
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#if ENABLED(ADAPTIVE_FAN_SLOWING)
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uint8_t Temperature::fan_speed_scaler[FAN_COUNT] = ARRAY_N(FAN_COUNT, 128, 128, 128, 128, 128, 128);
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uint8_t Temperature::fan_speed_scaler[FAN_COUNT] = ARRAY_N(FAN_COUNT, 128, 128, 128, 128, 128, 128, 128, 128);
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#endif
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/**
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@ -92,7 +92,7 @@
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//
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// Fans
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//
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//#define FAN0_PIN 8
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//#define FAN_PIN 8
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//
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// Auto fans
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