156 lines
4.7 KiB
C
156 lines
4.7 KiB
C
/* **************************************************************************
|
|
|
|
Marlin 3D Printer Firmware
|
|
Copyright (C) 2016 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
|
|
|
|
Copyright (c) 2016 Bob Cousins bobcousins42@googlemail.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 AVR
|
|
*
|
|
* For __AVR__
|
|
*/
|
|
|
|
|
|
#ifndef _HAL_AVR_H_
|
|
#define _HAL_AVR_H_
|
|
|
|
// --------------------------------------------------------------------------
|
|
// Includes
|
|
// --------------------------------------------------------------------------
|
|
|
|
#include <stdint.h>
|
|
|
|
#include "Arduino.h"
|
|
|
|
#include <util/delay.h>
|
|
#include <avr/eeprom.h>
|
|
#include <avr/pgmspace.h>
|
|
#include <avr/interrupt.h>
|
|
#include <avr/io.h>
|
|
|
|
#include "fastio_AVR.h"
|
|
#include "watchdog_AVR.h"
|
|
#include "math_AVR.h"
|
|
|
|
// --------------------------------------------------------------------------
|
|
// Defines
|
|
// --------------------------------------------------------------------------
|
|
|
|
//#define analogInputToDigitalPin(IO) IO
|
|
|
|
#ifndef CRITICAL_SECTION_START
|
|
#define CRITICAL_SECTION_START unsigned char _sreg = SREG; cli();
|
|
#define CRITICAL_SECTION_END SREG = _sreg;
|
|
#endif
|
|
|
|
|
|
// On AVR this is in math.h?
|
|
//#define square(x) ((x)*(x))
|
|
|
|
// --------------------------------------------------------------------------
|
|
// Types
|
|
// --------------------------------------------------------------------------
|
|
|
|
#define HAL_TIMER_TYPE uint16_t
|
|
#define HAL_TIMER_TYPE_MAX 0xFFFF
|
|
|
|
#define HAL_SERVO_LIB Servo
|
|
|
|
// --------------------------------------------------------------------------
|
|
// Public Variables
|
|
// --------------------------------------------------------------------------
|
|
|
|
//extern uint8_t MCUSR;
|
|
|
|
// --------------------------------------------------------------------------
|
|
// Public functions
|
|
// --------------------------------------------------------------------------
|
|
|
|
//void cli(void);
|
|
|
|
//void _delay_ms(const int delay);
|
|
|
|
inline void HAL_clear_reset_source(void) { MCUSR = 0; }
|
|
inline uint8_t HAL_get_reset_source(void) { return MCUSR; }
|
|
|
|
extern "C" {
|
|
int freeMemory(void);
|
|
}
|
|
|
|
// eeprom
|
|
//void eeprom_write_byte(unsigned char *pos, unsigned char value);
|
|
//unsigned char eeprom_read_byte(unsigned char *pos);
|
|
|
|
|
|
// timers
|
|
#define STEP_TIMER_NUM OCR1A
|
|
#define TEMP_TIMER_NUM 0
|
|
#define TEMP_TIMER_FREQUENCY (F_CPU / 64.0 / 256.0)
|
|
|
|
#define HAL_TIMER_RATE ((F_CPU) / 8) // i.e., 2MHz or 2.5MHz
|
|
#define HAL_STEPPER_TIMER_RATE HAL_TIMER_RATE
|
|
#define STEPPER_TIMER_PRESCALE INT0_PRESCALER
|
|
#define HAL_TICKS_PER_US ((HAL_STEPPER_TIMER_RATE) / 1000000) // Cannot be of type double
|
|
|
|
#define ENABLE_STEPPER_DRIVER_INTERRUPT() SBI(TIMSK1, OCIE1A)
|
|
#define DISABLE_STEPPER_DRIVER_INTERRUPT() CBI(TIMSK1, OCIE1A)
|
|
|
|
#define ENABLE_TEMPERATURE_INTERRUPT() SBI(TIMSK0, OCIE0B)
|
|
#define DISABLE_TEMPERATURE_INTERRUPT() CBI(TIMSK0, OCIE0B)
|
|
|
|
//void HAL_timer_start(const uint8_t timer_num, const uint32_t frequency);
|
|
#define HAL_timer_start(timer_num,frequency)
|
|
|
|
//void HAL_timer_set_count(const uint8_t timer_num, const uint16_t count);
|
|
#define HAL_timer_set_count(timer, count) timer = (count)
|
|
|
|
#define HAL_timer_get_current_count(timer) timer
|
|
|
|
//void HAL_timer_isr_prologue(const uint8_t timer_num);
|
|
#define HAL_timer_isr_prologue(timer_num)
|
|
|
|
#define HAL_STEP_TIMER_ISR ISR(TIMER1_COMPA_vect)
|
|
#define HAL_TEMP_TIMER_ISR ISR(TIMER0_COMPB_vect)
|
|
|
|
#define HAL_ENABLE_ISRs() do { cli(); if (thermalManager.in_temp_isr) DISABLE_TEMPERATURE_INTERRUPT(); else ENABLE_TEMPERATURE_INTERRUPT(); ENABLE_STEPPER_DRIVER_INTERRUPT(); } while(0)
|
|
|
|
// ADC
|
|
#ifdef DIDR2
|
|
#define HAL_ANALOG_SELECT(pin) do{ if (pin < 8) SBI(DIDR0, pin); else SBI(DIDR2, pin - 8); }while(0)
|
|
#else
|
|
#define HAL_ANALOG_SELECT(pin) do{ SBI(DIDR0, pin); }while(0)
|
|
#endif
|
|
|
|
inline void HAL_adc_init(void) {
|
|
ADCSRA = _BV(ADEN) | _BV(ADSC) | _BV(ADIF) | 0x07;
|
|
DIDR0 = 0;
|
|
#ifdef DIDR2
|
|
DIDR2 = 0;
|
|
#endif
|
|
}
|
|
|
|
#define SET_ADMUX_ADCSRA(pin) ADMUX = _BV(REFS0) | (pin & 0x07); SBI(ADCSRA, ADSC)
|
|
#ifdef MUX5
|
|
#define HAL_START_ADC(pin) if (pin > 7) ADCSRB = _BV(MUX5); else ADCSRB = 0; SET_ADMUX_ADCSRA(pin)
|
|
#else
|
|
#define HAL_START_ADC(pin) ADCSRB = 0; SET_ADMUX_ADCSRA(pin)
|
|
#endif
|
|
|
|
#define HAL_READ_ADC ADC
|
|
|
|
#endif // _HAL_AVR_H_
|