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New HardwareTimer for STM32 5.7.0 (#15655)

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This commit is contained in:
Lino Barreca
2019-11-13 02:23:02 +01:00
committed by Scott Lahteine
parent 4762dfe797
commit ac71cdc265
31 changed files with 1290 additions and 520 deletions
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71
Marlin/src/HAL/HAL_STM32/timers.h
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@@ -33,6 +33,7 @@
#define hal_timer_t uint32_t
#define HAL_TIMER_TYPE_MAX 0xFFFFFFFF // Timers can be 16 or 32 bit
#ifdef STM32F0xx
#define HAL_TIMER_RATE (F_CPU) // frequency of timer peripherals
@@ -66,27 +67,30 @@
#endif
#ifndef TEMP_TIMER
#define TEMP_TIMER 7
#define TEMP_TIMER 14 // TIM7 is consumed by Software Serial if used.
#endif
#endif
#ifndef SWSERIAL_TIMER_IRQ_PRIO
#define SWSERIAL_TIMER_IRQ_PRIO 1
#endif
#ifndef STEP_TIMER_IRQ_PRIO
#define STEP_TIMER_IRQ_PRIO 1
#define STEP_TIMER_IRQ_PRIO 2
#endif
#ifndef TEMP_TIMER_IRQ_PRIO
#define TEMP_TIMER_IRQ_PRIO 2
#define TEMP_TIMER_IRQ_PRIO 14 //14 = after hardware ISRs
#endif
#define STEP_TIMER_NUM 0 // index of timer to use for stepper
#define TEMP_TIMER_NUM 1 // index of timer to use for temperature
#define PULSE_TIMER_NUM STEP_TIMER_NUM
#define TEMP_TIMER_RATE 72000 // 72 Khz
#define TEMP_TIMER_PRESCALE ((HAL_TIMER_RATE)/(TEMP_TIMER_RATE))
#define TEMP_TIMER_FREQUENCY 1000
#define TEMP_TIMER_FREQUENCY 1000 //Temperature::isr() is expected to be called at around 1kHz
//TODO: get rid of manual rate/prescale/ticks/cycles taken for procedures in stepper.cpp
#define STEPPER_TIMER_RATE 2000000 // 2 Mhz
#define STEPPER_TIMER_PRESCALE ((HAL_TIMER_RATE)/(STEPPER_TIMER_RATE))
#define STEPPER_TIMER_TICKS_PER_US ((STEPPER_TIMER_RATE) / 1000000) // stepper timer ticks per µs
@@ -95,17 +99,6 @@
#define PULSE_TIMER_PRESCALE STEPPER_TIMER_PRESCALE
#define PULSE_TIMER_TICKS_PER_US STEPPER_TIMER_TICKS_PER_US
#define __TIMER_DEV(X) TIM##X
#define _TIMER_DEV(X) __TIMER_DEV(X)
#define STEP_TIMER_DEV _TIMER_DEV(STEP_TIMER)
#define TEMP_TIMER_DEV _TIMER_DEV(TEMP_TIMER)
#define __TIMER_CALLBACK(X) TIM##X##_IRQHandler
#define _TIMER_CALLBACK(X) __TIMER_CALLBACK(X)
#define STEP_TIMER_CALLBACK _TIMER_CALLBACK(STEP_TIMER)
#define TEMP_TIMER_CALLBACK _TIMER_CALLBACK(TEMP_TIMER)
#define __TIMER_IRQ_NAME(X) TIM##X##_IRQn
#define _TIMER_IRQ_NAME(X) __TIMER_IRQ_NAME(X)
@@ -119,22 +112,16 @@
#define ENABLE_TEMPERATURE_INTERRUPT() HAL_timer_enable_interrupt(TEMP_TIMER_NUM)
#define DISABLE_TEMPERATURE_INTERRUPT() HAL_timer_disable_interrupt(TEMP_TIMER_NUM)
extern void Step_Handler(stimer_t *htim);
extern void Temp_Handler(stimer_t *htim);
#define HAL_STEP_TIMER_ISR() void Step_Handler(stimer_t *htim)
#define HAL_TEMP_TIMER_ISR() void Temp_Handler(stimer_t *htim)
// ------------------------
// Types
// ------------------------
typedef stimer_t stm32_timer_t;
extern void Step_Handler(HardwareTimer *htim);
extern void Temp_Handler(HardwareTimer *htim);
#define HAL_STEP_TIMER_ISR() void Step_Handler(HardwareTimer *htim)
#define HAL_TEMP_TIMER_ISR() void Temp_Handler(HardwareTimer *htim)
// ------------------------
// Public Variables
// ------------------------
extern stm32_timer_t TimerHandle[];
extern HardwareTimer *timer_instance[];
// ------------------------
// Public functions
@@ -145,18 +132,26 @@ void HAL_timer_enable_interrupt(const uint8_t timer_num);
void HAL_timer_disable_interrupt(const uint8_t timer_num);
bool HAL_timer_interrupt_enabled(const uint8_t timer_num);
FORCE_INLINE static uint32_t HAL_timer_get_count(const uint8_t timer_num) {
return __HAL_TIM_GET_COUNTER(&TimerHandle[timer_num].handle);
//TIM_TypeDef* HAL_timer_device(const uint8_t timer_num); no need to be public for now. not public = not used externally
// FORCE_INLINE because these are used in performance-critical situations
FORCE_INLINE bool HAL_timer_initialized(const uint8_t timer_num) {
return timer_instance[timer_num] != NULL;
}
FORCE_INLINE static hal_timer_t HAL_timer_get_count(const uint8_t timer_num) {
return HAL_timer_initialized(timer_num) ? timer_instance[timer_num]->getCount() : 0;
}
FORCE_INLINE static void HAL_timer_set_compare(const uint8_t timer_num, const uint32_t compare) {
__HAL_TIM_SET_AUTORELOAD(&TimerHandle[timer_num].handle, compare);
if (HAL_timer_get_count(timer_num) >= compare)
TimerHandle[timer_num].handle.Instance->EGR |= TIM_EGR_UG; // Generate an immediate update interrupt
}
FORCE_INLINE static hal_timer_t HAL_timer_get_compare(const uint8_t timer_num) {
return __HAL_TIM_GET_AUTORELOAD(&TimerHandle[timer_num].handle);
// NOTE: Method name may be misleading.
// STM32 has an Auto-Reload Register (ARR) as opposed to a "compare" register
FORCE_INLINE static void HAL_timer_set_compare(const uint8_t timer_num, const hal_timer_t overflow) {
if (HAL_timer_initialized(timer_num)) {
timer_instance[timer_num]->setOverflow(overflow + 1, TICK_FORMAT); // Value decremented by setOverflow()
// wiki: "force all registers (Autoreload, prescaler, compare) to be taken into account"
// So, if the new overflow value is less than the count it will trigger a rollover interrupt.
if (overflow < timer_instance[timer_num]->getCount()) // Added 'if' here because reports say it won't boot without it
timer_instance[timer_num]->refresh();
}
}
#define HAL_timer_isr_prologue(TIMER_NUM)