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added comments for new param in attachInterrupts
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cores/arduino/HardwareTimer.cpp

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@@ -848,6 +848,7 @@ void HardwareTimer::setInterruptPriority(uint32_t preemptPriority, uint32_t subP
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/**
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* @brief Attach interrupt callback on update (rollover) event
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* @param callback: interrupt callback
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* @param arg: pointer to optional argument to associate with interrupt
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* @retval None
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*/
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void HardwareTimer::attachInterrupt(void (*callback)(HardwareTimer *), void *arg)
@@ -883,6 +884,7 @@ void HardwareTimer::detachInterrupt()
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* @brief Attach interrupt callback on Capture/Compare event
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* @param channel: Arduino channel [1..4]
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* @param callback: interrupt callback
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* @param arg: pointer to optional argument to associate with interrupt
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* @retval None
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*/
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void HardwareTimer::attachInterrupt(uint32_t channel, void (*callback)(HardwareTimer *), void *arg)

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