177 lines
5.8 KiB
C
177 lines
5.8 KiB
C
/**
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* Marlin 3D Printer Firmware
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* Copyright (c) 2024 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
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*
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* Based on Sprinter and grbl.
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* Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*
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*/
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#include <stdint.h>
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#include "../../core/macros.h"
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#ifdef PICO_TIME_DEFAULT_ALARM_POOL_DISABLED
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#undef PICO_TIME_DEFAULT_ALARM_POOL_DISABLED
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#define PICO_TIME_DEFAULT_ALARM_POOL_DISABLED 0
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#else
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#define PICO_TIME_DEFAULT_ALARM_POOL_DISABLED 0
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#endif
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// ------------------------
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// Defines
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// ------------------------
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//#define _HAL_TIMER(T) _CAT(LPC_TIM, T)
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//#define _HAL_TIMER_IRQ(T) TIMER##T##_IRQn
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//#define __HAL_TIMER_ISR(T) extern "C" alarm_callback_t HAL_timer_alarm_pool_##T##_callback()
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#define __HAL_TIMER_ISR(T) extern void HAL_timer_##T##_callback()
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#define _HAL_TIMER_ISR(T) __HAL_TIMER_ISR(T)
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typedef uint64_t hal_timer_t;
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#define HAL_TIMER_TYPE_MAX 0xFFFFFFFFFFFFFFFF
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#define HAL_TIMER_RATE (1000000ull) // fixed value as we use a microsecond timesource
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#ifndef MF_TIMER_STEP
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#define MF_TIMER_STEP 0 // Timer Index for Stepper
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#endif
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#ifndef MF_TIMER_PULSE
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#define MF_TIMER_PULSE MF_TIMER_STEP
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#endif
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#ifndef MF_TIMER_TEMP
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#define MF_TIMER_TEMP 1 // Timer Index for Temperature
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#endif
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#ifndef MF_TIMER_PWM
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#define MF_TIMER_PWM 3 // Timer Index for PWM
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#endif
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#define TEMP_TIMER_RATE HAL_TIMER_RATE
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#define TEMP_TIMER_FREQUENCY 1000 // temperature interrupt frequency
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#define STEPPER_TIMER_RATE HAL_TIMER_RATE / 10 // 100khz roughly
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#define STEPPER_TIMER_TICKS_PER_US (0.1) // fixed value as we use a microsecond timesource
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#define STEPPER_TIMER_PRESCALE (10)
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#define PULSE_TIMER_RATE STEPPER_TIMER_RATE // frequency of pulse timer
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#define PULSE_TIMER_PRESCALE STEPPER_TIMER_PRESCALE
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#define PULSE_TIMER_TICKS_PER_US STEPPER_TIMER_TICKS_PER_US
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#define ENABLE_STEPPER_DRIVER_INTERRUPT() HAL_timer_enable_interrupt(MF_TIMER_STEP)
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#define DISABLE_STEPPER_DRIVER_INTERRUPT() HAL_timer_disable_interrupt(MF_TIMER_STEP)
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#define STEPPER_ISR_ENABLED() HAL_timer_interrupt_enabled(MF_TIMER_STEP)
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#define ENABLE_TEMPERATURE_INTERRUPT() HAL_timer_enable_interrupt(MF_TIMER_TEMP)
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#define DISABLE_TEMPERATURE_INTERRUPT() HAL_timer_disable_interrupt(MF_TIMER_TEMP)
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#ifndef HAL_STEP_TIMER_ISR
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#define HAL_STEP_TIMER_ISR() _HAL_TIMER_ISR(MF_TIMER_STEP)
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#endif
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#ifndef HAL_TEMP_TIMER_ISR
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#define HAL_TEMP_TIMER_ISR() _HAL_TIMER_ISR(MF_TIMER_TEMP)
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#endif
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// Timer references by index
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//#define STEP_TIMER_PTR _HAL_TIMER(MF_TIMER_STEP)
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//#define TEMP_TIMER_PTR _HAL_TIMER(MF_TIMER_TEMP)
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extern alarm_pool_t* HAL_timer_pool_0;
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extern alarm_pool_t* HAL_timer_pool_1;
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extern alarm_pool_t* HAL_timer_pool_2;
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extern alarm_pool_t* HAL_timer_pool_3;
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extern struct repeating_timer HAL_timer_0;
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void HAL_timer_0_callback();
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void HAL_timer_1_callback();
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void HAL_timer_2_callback();
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void HAL_timer_3_callback();
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int64_t HAL_timer_alarm_pool_0_callback(long int, void*);
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int64_t HAL_timer_alarm_pool_1_callback(long int, void*);
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int64_t HAL_timer_alarm_pool_2_callback(long int, void*);
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int64_t HAL_timer_alarm_pool_3_callback(long int, void*);
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bool HAL_timer_repeating_0_callback(repeating_timer* timer);
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bool HAL_timer_repeating_1_callback(repeating_timer* timer);
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bool HAL_timer_repeating_2_callback(repeating_timer* timer);
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bool HAL_timer_repeating_3_callback(repeating_timer* timer);
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extern volatile bool HAL_timer_irq_en[4];
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// ------------------------
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// Public functions
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// ------------------------
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void HAL_timer_init();
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void HAL_timer_start(const uint8_t timer_num, const uint32_t frequency);
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void HAL_timer_stop(const uint8_t timer_num);
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FORCE_INLINE static void HAL_timer_set_compare(const uint8_t timer_num, hal_timer_t compare) {
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if (timer_num == MF_TIMER_STEP){
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if (compare == HAL_TIMER_TYPE_MAX){
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HAL_timer_stop(timer_num);
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return;
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}
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}
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compare = compare *10; //Dirty fix, figure out a proper way
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switch (timer_num) {
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case 0:
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alarm_pool_add_alarm_in_us(HAL_timer_pool_0 ,compare , HAL_timer_alarm_pool_0_callback ,0 ,false );
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break;
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case 1:
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alarm_pool_add_alarm_in_us(HAL_timer_pool_1 ,compare , HAL_timer_alarm_pool_1_callback ,0 ,false );
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break;
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case 2:
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alarm_pool_add_alarm_in_us(HAL_timer_pool_2 ,compare , HAL_timer_alarm_pool_2_callback ,0 ,false );
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break;
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case 3:
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alarm_pool_add_alarm_in_us(HAL_timer_pool_3 ,compare , HAL_timer_alarm_pool_3_callback ,0 ,false );
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break;
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}
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}
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FORCE_INLINE static hal_timer_t HAL_timer_get_compare(const uint8_t timer_num) {
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return 0;
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}
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FORCE_INLINE static hal_timer_t HAL_timer_get_count(const uint8_t timer_num) {
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if (timer_num == MF_TIMER_STEP) return 0ull;
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return time_us_64();
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}
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FORCE_INLINE static void HAL_timer_enable_interrupt(const uint8_t timer_num) {
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HAL_timer_irq_en[timer_num] = 1;
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}
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FORCE_INLINE static void HAL_timer_disable_interrupt(const uint8_t timer_num) {
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HAL_timer_irq_en[timer_num] = 0;
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}
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FORCE_INLINE static bool HAL_timer_interrupt_enabled(const uint8_t timer_num) {
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return HAL_timer_irq_en[timer_num]; //lucky coincidence that timer_num and rp2040 irq num matches
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}
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FORCE_INLINE static void HAL_timer_isr_prologue(const uint8_t timer_num) {
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return;
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}
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#define HAL_timer_isr_epilogue(T) NOOP
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