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- /**
- * Marlin 3D Printer Firmware
- *
- * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
- * Copyright (c) 2016 Bob Cousins bobcousins42@googlemail.com
- *
- * 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
-
- /**
- * HAL timers for Linux X86_64
- */
-
- #include <stdint.h>
-
- // ------------------------
- // Defines
- // ------------------------
-
- #define FORCE_INLINE __attribute__((always_inline)) inline
-
- typedef uint32_t hal_timer_t;
- #define HAL_TIMER_TYPE_MAX 0xFFFFFFFF
-
- #define HAL_TIMER_RATE ((SystemCoreClock) / 4) // frequency of timers peripherals
-
- #define STEP_TIMER_NUM 0 // Timer Index for Stepper
- #define TEMP_TIMER_NUM 1 // Timer Index for Temperature
- #define PULSE_TIMER_NUM STEP_TIMER_NUM
-
- #define TEMP_TIMER_RATE 1000000
- #define TEMP_TIMER_FREQUENCY 1000 // temperature interrupt frequency
-
- #define STEPPER_TIMER_RATE HAL_TIMER_RATE // frequency of stepper timer (HAL_TIMER_RATE / STEPPER_TIMER_PRESCALE)
- #define STEPPER_TIMER_TICKS_PER_US ((STEPPER_TIMER_RATE) / 1000000) // stepper timer ticks per µs
- #define STEPPER_TIMER_PRESCALE (CYCLES_PER_MICROSECOND / STEPPER_TIMER_TICKS_PER_US)
-
- #define PULSE_TIMER_RATE STEPPER_TIMER_RATE // frequency of pulse timer
- #define PULSE_TIMER_PRESCALE STEPPER_TIMER_PRESCALE
- #define PULSE_TIMER_TICKS_PER_US STEPPER_TIMER_TICKS_PER_US
-
- #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)
-
- #define HAL_STEP_TIMER_ISR() extern "C" void TIMER0_IRQHandler()
- #define HAL_TEMP_TIMER_ISR() extern "C" void TIMER1_IRQHandler()
-
- // PWM timer
- #define HAL_PWM_TIMER
- #define HAL_PWM_TIMER_ISR() extern "C" void TIMER3_IRQHandler()
- #define HAL_PWM_TIMER_IRQn
-
-
- void HAL_timer_init();
- void HAL_timer_start(const uint8_t timer_num, const uint32_t frequency);
-
- void HAL_timer_set_compare(const uint8_t timer_num, const hal_timer_t compare);
- hal_timer_t HAL_timer_get_compare(const uint8_t timer_num);
- hal_timer_t HAL_timer_get_count(const uint8_t timer_num);
- FORCE_INLINE static void HAL_timer_restrain(const uint8_t timer_num, const uint16_t interval_ticks) {
- const hal_timer_t mincmp = HAL_timer_get_count(timer_num) + interval_ticks;
- if (HAL_timer_get_compare(timer_num) < mincmp) HAL_timer_set_compare(timer_num, mincmp);
- }
-
- 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);
-
- #define HAL_timer_isr_prologue(TIMER_NUM)
- #define HAL_timer_isr_epilogue(TIMER_NUM)
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