muele-marlin/Marlin/src/HAL/HAL_STM32F7/HAL_timers_STM32F7.h
2018-01-15 02:46:37 -06:00

106 lines
4.2 KiB
C

/**
* Marlin 3D Printer Firmware
*
* Copyright (C) 2016 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/>.
*
*/
#ifndef _HAL_TIMERS_STM32F7_H
#define _HAL_TIMERS_STM32F7_H
// --------------------------------------------------------------------------
// Includes
// --------------------------------------------------------------------------
#include <stdint.h>
// --------------------------------------------------------------------------
// Defines
// --------------------------------------------------------------------------
#define FORCE_INLINE __attribute__((always_inline)) inline
#define hal_timer_t uint32_t // TODO: One is 16-bit, one 32-bit - does this need to be checked?
#define HAL_TIMER_TYPE_MAX 0xFFFF
#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 HAL_TIMER_RATE (HAL_RCC_GetSysClockFreq() / 2) // frequency of timer peripherals
#define STEPPER_TIMER_PRESCALE 54 // was 40,prescaler for setting stepper timer, 2Mhz
#define HAL_STEPPER_TIMER_RATE (HAL_TIMER_RATE / STEPPER_TIMER_PRESCALE) // frequency of stepper timer (HAL_TIMER_RATE / STEPPER_TIMER_PRESCALE)
#define HAL_TICKS_PER_US ((HAL_STEPPER_TIMER_RATE) / 1000000) // stepper timer ticks per us
#define PULSE_TIMER_NUM STEP_TIMER_NUM
#define PULSE_TIMER_PRESCALE STEPPER_TIMER_PRESCALE
#define TEMP_TIMER_PRESCALE 1000 // prescaler for setting Temp timer, 72Khz
#define TEMP_TIMER_FREQUENCY 1000 // temperature interrupt frequency
#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 ENABLE_TEMPERATURE_INTERRUPT() HAL_timer_enable_interrupt(TEMP_TIMER_NUM)
#define DISABLE_TEMPERATURE_INTERRUPT() HAL_timer_disable_interrupt(TEMP_TIMER_NUM)
#define HAL_ENABLE_ISRs() do { if (thermalManager.in_temp_isr)DISABLE_TEMPERATURE_INTERRUPT(); else ENABLE_TEMPERATURE_INTERRUPT(); ENABLE_STEPPER_DRIVER_INTERRUPT(); } while(0)
// TODO change this
extern void TC5_Handler();
extern void TC7_Handler();
#define HAL_STEP_TIMER_ISR void TC5_Handler()
#define HAL_TEMP_TIMER_ISR void TC7_Handler()
// --------------------------------------------------------------------------
// Types
// --------------------------------------------------------------------------
typedef struct {
TIM_HandleTypeDef timerdef;
IRQn_Type IRQ_Id;
uint32_t callback;
} tTimerConfig;
// --------------------------------------------------------------------------
// Public Variables
// --------------------------------------------------------------------------
//extern const tTimerConfig timerConfig[];
// --------------------------------------------------------------------------
// 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);
void HAL_timer_set_count(const uint8_t timer_num, const uint32_t count);
hal_timer_t HAL_timer_get_count(const uint8_t timer_num);
uint32_t HAL_timer_get_current_count(const uint8_t timer_num);
void HAL_timer_set_current_count(const uint8_t timer_num, const uint32_t count); // New
/*FORCE_INLINE static void HAL_timer_set_current_count(const uint8_t timer_num, const hal_timer_t count) {
// To do ??
}*/
void HAL_timer_isr_prologue(const uint8_t timer_num);
#endif // _HAL_TIMERS_STM32F7_H