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Bugfix: iteration invokes undefined behavior

João Brázio 8 years ago
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ecd490ed49
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1 changed files with 1 additions and 1 deletions
  1. 1
    1
      Marlin/temperature.cpp

+ 1
- 1
Marlin/temperature.cpp View File

@@ -342,7 +342,7 @@ int Temperature::getHeaterPower(int heater) {
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       EXTRUDER_3_AUTO_FAN_PIN == EXTRUDER_2_AUTO_FAN_PIN ? 2 : 3
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     };
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     uint8_t fanState = 0;
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-    for (int f = 0; f <= 3; f++) {
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+    for (int f = 0; f <= EXTRUDERS; f++) {
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       if (current_temperature[f] > EXTRUDER_AUTO_FAN_TEMPERATURE)
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         SBI(fanState, fanBit[f]);
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     }

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