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Fixed setting HardwareTimer interrupt priority #1062

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merged 2 commits into from
May 13, 2020
Merged

Fixed setting HardwareTimer interrupt priority #1062

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7ea6570
Fixed setting HardwareTimer interrupt priority
sjasonsmith May 9, 2020
ebf27ee
Set priority for Capture/Compare if different IRQ than Update
sjasonsmith May 13, 2020
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7 changes: 4 additions & 3 deletions cores/arduino/HardwareTimer.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -35,9 +35,6 @@
/* Private Variables */
timerObj_t *HardwareTimer_Handle[TIMER_NUM] = {NULL};

IRQn_Type getTimerUpIrq(TIM_TypeDef *tim);
IRQn_Type getTimerCCIrq(TIM_TypeDef *tim);

/**
* @brief HardwareTimer constructor: set default configuration values
* @param Timer instance ex: TIM1, ...
Expand Down Expand Up @@ -913,6 +910,10 @@ void HardwareTimer::setPWM(uint32_t channel, PinName pin, uint32_t frequency, ui
*/
void HardwareTimer::setInterruptPriority(uint32_t preemptPriority, uint32_t subPriority)
{
// Set priority for immediate use
NVIC_SetPriority(getTimerUpIrq(_timerObj.handle.Instance), NVIC_EncodePriority(NVIC_GetPriorityGrouping(), preemptPriority, subPriority));

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// Store priority for use if timer is re-initialized
_timerObj.preemptPriority = preemptPriority;
_timerObj.subPriority = subPriority;
}
Expand Down