You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
140 lines
4.8 KiB
140 lines
4.8 KiB
/**
|
|
* Marlin 3D Printer Firmware
|
|
* Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
|
|
*
|
|
* Based on Sprinter and grbl.
|
|
* Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
|
|
*
|
|
* 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 <https://www.gnu.org/licenses/>.
|
|
*
|
|
*/
|
|
#pragma once
|
|
|
|
#include <stdint.h>
|
|
#include <driver/timer.h>
|
|
|
|
// ------------------------
|
|
// Defines
|
|
// ------------------------
|
|
#define FORCE_INLINE __attribute__((always_inline)) inline
|
|
|
|
typedef uint64_t hal_timer_t;
|
|
#define HAL_TIMER_TYPE_MAX 0xFFFFFFFFFFFFFFFFULL
|
|
|
|
#ifndef MF_TIMER_STEP
|
|
#define MF_TIMER_STEP 0 // Timer Index for Stepper
|
|
#endif
|
|
#ifndef MF_TIMER_PULSE
|
|
#define MF_TIMER_PULSE MF_TIMER_STEP
|
|
#endif
|
|
#ifndef MF_TIMER_TEMP
|
|
#define MF_TIMER_TEMP 1 // Timer Index for Temperature
|
|
#endif
|
|
#ifndef MF_TIMER_PWM
|
|
#define MF_TIMER_PWM 2 // index of timer to use for PWM outputs
|
|
#endif
|
|
#ifndef MF_TIMER_TONE
|
|
#define MF_TIMER_TONE 3 // index of timer for beeper tones
|
|
#endif
|
|
|
|
#define HAL_TIMER_RATE APB_CLK_FREQ // frequency of timer peripherals
|
|
|
|
#if ENABLED(I2S_STEPPER_STREAM)
|
|
#define STEPPER_TIMER_PRESCALE 1
|
|
#define STEPPER_TIMER_RATE 250000 // 250khz, 4µs pulses of i2s word clock
|
|
#define STEPPER_TIMER_TICKS_PER_US ((STEPPER_TIMER_RATE) / 1000000) // stepper timer ticks per µs // wrong would be 0.25
|
|
#else
|
|
#define STEPPER_TIMER_PRESCALE 40
|
|
#define STEPPER_TIMER_RATE ((HAL_TIMER_RATE) / (STEPPER_TIMER_PRESCALE)) // frequency of stepper timer, 2MHz
|
|
#define STEPPER_TIMER_TICKS_PER_US ((STEPPER_TIMER_RATE) / 1000000) // stepper timer ticks per µs
|
|
#endif
|
|
|
|
#define STEP_TIMER_MIN_INTERVAL 8 // minimum time in µs between stepper interrupts
|
|
|
|
#define TONE_TIMER_PRESCALE 1000 // Arbitrary value, no idea what i'm doing here
|
|
|
|
#define TEMP_TIMER_PRESCALE 1000 // prescaler for setting Temp timer, 72Khz
|
|
#define TEMP_TIMER_FREQUENCY 1000 // temperature interrupt frequency
|
|
|
|
#define PWM_TIMER_PRESCALE 10
|
|
#if ENABLED(FAST_PWM_FAN)
|
|
#define PWM_TIMER_FREQUENCY FAST_PWM_FAN_FREQUENCY
|
|
#else
|
|
#define PWM_TIMER_FREQUENCY (50*128) // 50Hz and 7bit resolution
|
|
#endif
|
|
#define MAX_PWM_PINS 32 // Number of PWM pin-slots
|
|
|
|
#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(MF_TIMER_STEP)
|
|
#define DISABLE_STEPPER_DRIVER_INTERRUPT() HAL_timer_disable_interrupt(MF_TIMER_STEP)
|
|
#define STEPPER_ISR_ENABLED() HAL_timer_interrupt_enabled(MF_TIMER_STEP)
|
|
|
|
#define ENABLE_TEMPERATURE_INTERRUPT() HAL_timer_enable_interrupt(MF_TIMER_TEMP)
|
|
#define DISABLE_TEMPERATURE_INTERRUPT() HAL_timer_disable_interrupt(MF_TIMER_TEMP)
|
|
|
|
#ifndef HAL_TEMP_TIMER_ISR
|
|
#define HAL_TEMP_TIMER_ISR() extern "C" void tempTC_Handler()
|
|
#endif
|
|
#ifndef HAL_STEP_TIMER_ISR
|
|
#define HAL_STEP_TIMER_ISR() extern "C" void stepTC_Handler()
|
|
#endif
|
|
#ifndef HAL_PWM_TIMER_ISR
|
|
#define HAL_PWM_TIMER_ISR() extern "C" void pwmTC_Handler()
|
|
#endif
|
|
#ifndef HAL_TONE_TIMER_ISR
|
|
#define HAL_TONE_TIMER_ISR() extern "C" void toneTC_Handler()
|
|
#endif
|
|
|
|
extern "C" {
|
|
void tempTC_Handler();
|
|
void stepTC_Handler();
|
|
void pwmTC_Handler();
|
|
void toneTC_Handler();
|
|
}
|
|
|
|
// ------------------------
|
|
// Types
|
|
// ------------------------
|
|
|
|
typedef struct {
|
|
timer_group_t group;
|
|
timer_idx_t idx;
|
|
uint32_t divider;
|
|
void (*fn)();
|
|
} tTimerConfig;
|
|
|
|
// ------------------------
|
|
// Public Variables
|
|
// ------------------------
|
|
|
|
extern const tTimerConfig timer_config[];
|
|
|
|
// ------------------------
|
|
// Public functions
|
|
// ------------------------
|
|
|
|
void HAL_timer_start (const uint8_t timer_num, uint32_t frequency);
|
|
void HAL_timer_set_compare(const uint8_t timer_num, const hal_timer_t count);
|
|
hal_timer_t HAL_timer_get_compare(const uint8_t timer_num);
|
|
hal_timer_t HAL_timer_get_count(const uint8_t timer_num);
|
|
|
|
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(T)
|
|
#define HAL_timer_isr_epilogue(T)
|
|
|