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@ -1399,7 +1399,12 @@ void Temperature::set_current_temp_raw() { |
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} |
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/**
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* Timer 0 is shared with millies |
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* Timer 0 is shared with millies so don't change the prescaler. |
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* |
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* This ISR uses the compare method so it runs at the base |
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* frequency (16 MHz / 256 = 62500 Hz), but at the TCNT0 set |
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* in OCR0B above (128 or halfway between OVFs). |
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* |
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* - Manage PWM to all the heaters and fan |
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* - Update the raw temperature values |
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* - Check new temperature values for MIN/MAX errors |
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@ -1515,6 +1520,7 @@ void Temperature::isr() { |
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#endif |
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#endif |
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// 488.28 Hz (or 1:976.56, 2:1953.12, 3:3906.25, 4:7812.5, 5:7812.5 6:15625, 6:15625 7:31250)
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pwm_count += _BV(SOFT_PWM_SCALE); |
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pwm_count &= 0x7f; |
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@ -1523,7 +1529,7 @@ void Temperature::isr() { |
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/**
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* SLOW PWM HEATERS |
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* |
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* for heaters drived by relay |
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* For relay-driven heaters |
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*/ |
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#ifndef MIN_STATE_TIME |
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#define MIN_STATE_TIME 16 // MIN_STATE_TIME * 65.5 = time in milliseconds
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