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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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3
Marlin/src/HAL/HAL_TEENSY35_36/HAL_timers_Teensy.h
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@ -78,8 +78,6 @@ typedef uint32_t hal_timer_t;
#define HAL_STEP_TIMER_ISR extern "C" void ftm0_isr(void) //void TC3_Handler()
#define HAL_TEMP_TIMER_ISR extern "C" void ftm1_isr(void) //void TC4_Handler()
#define HAL_ENABLE_ISRs() do { if (thermalManager.in_temp_isr) DISABLE_TEMPERATURE_INTERRUPT(); else ENABLE_TEMPERATURE_INTERRUPT(); ENABLE_STEPPER_DRIVER_INTERRUPT(); } while(0)
void HAL_timer_start(const uint8_t timer_num, const uint32_t frequency);
FORCE_INLINE static void HAL_timer_set_compare(const uint8_t timer_num, const hal_timer_t compare) {
@ -115,5 +113,6 @@ void HAL_timer_disable_interrupt(const uint8_t timer_num);
bool HAL_timer_interrupt_enabled(const uint8_t timer_num);
void HAL_timer_isr_prologue(const uint8_t timer_num);
#define HAL_timer_isr_epilogue(TIMER_NUM)
#endif // _HAL_TIMERS_TEENSY_H