Firmware2/Marlin/src/HAL/HAL_STM32/HAL_timers_STM32.h
2019-07-10 07:07:04 -05:00

164 lines
4.9 KiB
C

/**
* 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
#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 stm32_timer_t;
// ------------------------
// Public Variables
// ------------------------
extern stm32_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)