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Proper AVR preemptive interrupt handling (#10496)

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Also simplify logic on all ARM-based interrupts. Now, it is REQUIRED to properly configure interrupt priority. USART should have highest priority, followed by Stepper, and then all others.
This commit is contained in:
Eduardo José Tagle
2018-04-24 00:05:07 -03:00
committed by Scott Lahteine
parent f423e54f77
commit 0c428a66d9
12 changed files with 48 additions and 62 deletions
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4
Marlin/src/HAL/HAL_DUE/HAL_timers_Due.h
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@ -62,8 +62,6 @@ typedef uint32_t hal_timer_t;
#define ENABLE_TEMPERATURE_INTERRUPT() HAL_timer_enable_interrupt(TEMP_TIMER_NUM)
#define DISABLE_TEMPERATURE_INTERRUPT() HAL_timer_disable_interrupt(TEMP_TIMER_NUM)
#define HAL_ENABLE_ISRs() do { if (thermalManager.in_temp_isr) DISABLE_TEMPERATURE_INTERRUPT(); else ENABLE_TEMPERATURE_INTERRUPT(); ENABLE_STEPPER_DRIVER_INTERRUPT(); } while(0)
#define HAL_STEP_TIMER_ISR void TC3_Handler()
#define HAL_TEMP_TIMER_ISR void TC4_Handler()
#define HAL_TONE_TIMER_ISR void TC6_Handler()
@ -127,4 +125,6 @@ FORCE_INLINE static void HAL_timer_isr_prologue(const uint8_t timer_num) {
pConfig->pTimerRegs->TC_CHANNEL[pConfig->channel].TC_SR;
}
#define HAL_timer_isr_epilogue(TIMER_NUM)
#endif // _HAL_TIMERS_DUE_H