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- /**
- * Marlin 3D Printer Firmware
- *
- * Copyright (C) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
- * Copyright (c) 2016 Bob Cousins bobcousins42@googlemail.com
- * Copyright (c) 2017 Victor Perez
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
- */
- #pragma once
-
- // --------------------------------------------------------------------------
- // Includes
- // --------------------------------------------------------------------------
-
- #include <stdint.h>
- #include "../../inc/MarlinConfig.h"
-
- // --------------------------------------------------------------------------
- // Defines
- // --------------------------------------------------------------------------
-
- #define FORCE_INLINE __attribute__((always_inline)) inline
-
- #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
-
- #ifndef STEP_TIMER
- #define STEP_TIMER 16
- #endif
-
- #ifndef TEMP_TIMER
- #define TEMP_TIMER 17
- #endif
-
- #elif defined(STM32F1xx)
-
- #define HAL_TIMER_RATE (F_CPU) // frequency of timer peripherals
-
- #ifndef STEP_TIMER
- #define STEP_TIMER 4
- #endif
-
- #ifndef TEMP_TIMER
- #define TEMP_TIMER 2
- #endif
-
- #elif defined(STM32F4xx) || defined(STM32F7xx)
-
- #define HAL_TIMER_RATE (F_CPU/2) // frequency of timer peripherals
-
- #ifndef STEP_TIMER
- #define STEP_TIMER 5
- #endif
-
- #ifndef TEMP_TIMER
- #define TEMP_TIMER 7
- #endif
-
- #endif
-
- #ifndef STEP_TIMER_IRQ_PRIO
- #define STEP_TIMER_IRQ_PRIO 1
- #endif
-
- #ifndef TEMP_TIMER_IRQ_PRIO
- #define TEMP_TIMER_IRQ_PRIO 2
- #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 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
-
- #define PULSE_TIMER_RATE STEPPER_TIMER_RATE
- #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)
-
- #define STEP_TIMER_IRQ_NAME _TIMER_IRQ_NAME(STEP_TIMER)
- #define TEMP_TIMER_IRQ_NAME _TIMER_IRQ_NAME(TEMP_TIMER)
-
- #define ENABLE_STEPPER_DRIVER_INTERRUPT() HAL_timer_enable_interrupt(STEP_TIMER_NUM)
- #define DISABLE_STEPPER_DRIVER_INTERRUPT() HAL_timer_disable_interrupt(STEP_TIMER_NUM)
- #define STEPPER_ISR_ENABLED() HAL_timer_interrupt_enabled(STEP_TIMER_NUM)
-
- #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 stm32f4_timer_t;
-
- // --------------------------------------------------------------------------
- // Public Variables
- // --------------------------------------------------------------------------
-
- extern stm32f4_timer_t TimerHandle[];
-
- // --------------------------------------------------------------------------
- // Public functions
- // --------------------------------------------------------------------------
-
- void HAL_timer_start(const uint8_t timer_num, const uint32_t frequency);
- 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);
- }
-
- 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);
- }
-
- #define HAL_timer_isr_prologue(TIMER_NUM)
- #define HAL_timer_isr_epilogue(TIMER_NUM)
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