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HAL for 32-bit Teensy (3.5, 3.6) architecture

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This commit is contained in:
teemuatlut
2017-07-11 21:59:27 +01:00
committed by Scott Lahteine
parent cfef925559
commit f3e562e46e
18 changed files with 1532 additions and 4 deletions
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109
Marlin/src/HAL/HAL_TEENSY35_36/HAL_timers_Teensy.h Normal file
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/* **************************************************************************
Marlin 3D Printer Firmware
Copyright (C) 2016 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
Copyright (c) 2016 Bob Cousins bobcousins42@googlemail.com
Copyright (c) 2015-2016 Nico Tonnhofer wurstnase.reprap@gmail.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/>.
****************************************************************************/
/**
* Description: HAL for
* Teensy3.5 (__MK64FX512__)
* Teensy3.6 (__MK66FX1M0__)
*/
#ifndef _HAL_TIMERS_TEENSY_H
#define _HAL_TIMERS_TEENSY_H
// --------------------------------------------------------------------------
// Includes
// --------------------------------------------------------------------------
#include <stdint.h>
// --------------------------------------------------------------------------
// Defines
// --------------------------------------------------------------------------
#define FORCE_INLINE __attribute__((always_inline)) inline
#define HAL_TIMER_TYPE uint32_t
#define HAL_TIMER_TYPE_MAX 0xFFFFFFFF
#define STEP_TIMER_NUM 0
#define TEMP_TIMER_NUM 1
#define FTM0_TIMER_PRESCALE 8
#define FTM1_TIMER_PRESCALE 4
#define FTM0_TIMER_PRESCALE_BITS 0b011
#define FTM1_TIMER_PRESCALE_BITS 0b010
#define FTM0_TIMER_RATE F_BUS/FTM0_TIMER_PRESCALE // 60MHz / 8 = 7500kHz
#define FTM1_TIMER_RATE F_BUS/FTM1_TIMER_PRESCALE // 60MHz / 4 = 15MHz
#define STEPPER_TIMER STEP_TIMER_NUM // Alias?
#define STEPPER_TIMER_PRESCALE 0 // Not defined anywhere else!
#define HAL_TIMER_RATE (FTM0_TIMER_RATE)
#define HAL_STEPPER_TIMER_RATE HAL_TIMER_RATE
#define HAL_TICKS_PER_US (HAL_STEPPER_TIMER_RATE/1000000)
#define TEMP_TIMER_FREQUENCY 1000
#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_STEP_TIMER_ISR extern "C" void ftm0_isr(void) //void TC3_Handler()
#define HAL_TEMP_TIMER_ISR extern "C" void ftm1_isr(void) //void TC4_Handler()
#define HAL_ENABLE_ISRs() do { if (thermalManager.in_temp_isr)DISABLE_TEMPERATURE_INTERRUPT(); else ENABLE_TEMPERATURE_INTERRUPT(); ENABLE_STEPPER_DRIVER_INTERRUPT(); } while(0)
void HAL_timer_start (uint8_t timer_num, uint32_t frequency);
static FORCE_INLINE void HAL_timer_set_count (uint8_t timer_num, uint32_t count) {
switch(timer_num) {
case 0: FTM0_C0V = count; break;
case 1: FTM1_C0V = count; break;
default: break;
}
}
static FORCE_INLINE HAL_TIMER_TYPE HAL_timer_get_count (uint8_t timer_num) {
switch(timer_num) {
case 0: return FTM0_C0V;
case 1: return FTM1_C0V;
default: return 0;
}
}
static FORCE_INLINE uint32_t HAL_timer_get_current_count(uint8_t timer_num) {
switch(timer_num) {
case 0: return FTM0_CNT;
case 1: return FTM1_CNT;
default: return 0;
}
}
void HAL_timer_enable_interrupt (uint8_t timer_num);
void HAL_timer_disable_interrupt (uint8_t timer_num);
void HAL_timer_isr_prologue(uint8_t timer_num);
#endif // _HAL_TIMERS_TEENSY_H