150 lines
7.3 KiB
C
150 lines
7.3 KiB
C
#ifndef AVR2560_H
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#define AVR2560_H
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#if defined(CORE_AVR)
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#include <avr/interrupt.h>
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#include <avr/io.h>
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/*
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***********************************************************************************************************
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* General
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*/
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#define PORT_TYPE uint8_t //Size of the port variables (Eg inj1_pin_port).
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#define PINMASK_TYPE uint8_t
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#define COMPARE_TYPE uint16_t
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#define COUNTER_TYPE uint16_t
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#define EEPROM_LIB_H <EEPROM.h>
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void initBoard();
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uint16_t freeRam();
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#if defined(TIMER5_MICROS)
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//#define micros() (((timer5_overflow_count << 16) + TCNT5) * 4) //Fast version of micros() that uses the 4uS tick of timer5. See timers.ino for the overflow ISR of timer5
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#define millis() (ms_counter) //Replaces the standard millis() function with this macro. It is both faster and more accurate. See timers.ino for its counter increment.
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static inline unsigned long micros_safe(); //A version of micros() that is interrupt safe
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#else
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#define micros_safe() micros() //If the timer5 method is not used, the micros_safe() macro is simply an alias for the normal micros()
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#endif
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//Mega 2561 MCU does not have a serial3 available.
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#if not defined(__AVR_ATmega2561__)
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#define USE_SERIAL3
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#endif
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/*
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***********************************************************************************************************
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* Schedules
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*/
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//Refer to http://svn.savannah.nongnu.org/viewvc/trunk/avr-libc/include/avr/iomxx0_1.h?root=avr-libc&view=markup
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#define FUEL1_COUNTER TCNT3
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#define FUEL2_COUNTER TCNT3
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#define FUEL3_COUNTER TCNT3
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#define FUEL4_COUNTER TCNT4
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#define FUEL5_COUNTER TCNT4
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#define FUEL6_COUNTER TCNT4 //Replaces ignition 4
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#define FUEL7_COUNTER TCNT5 //Replaces ignition 3
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#define FUEL8_COUNTER TCNT5 //Replaces ignition 2
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#define IGN1_COUNTER TCNT5
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#define IGN2_COUNTER TCNT5
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#define IGN3_COUNTER TCNT5
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#define IGN4_COUNTER TCNT4
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#define IGN5_COUNTER TCNT4
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#define IGN6_COUNTER TCNT4 //Replaces injector 4
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#define IGN7_COUNTER TCNT3 //Replaces injector 3
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#define IGN8_COUNTER TCNT3 //Replaces injector 2
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#define FUEL1_COMPARE OCR3A
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#define FUEL2_COMPARE OCR3B
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#define FUEL3_COMPARE OCR3C
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#define FUEL4_COMPARE OCR4B
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#define FUEL5_COMPARE OCR4C //Shared with FUEL1
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#define FUEL6_COMPARE OCR4A //Replaces ignition4
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#define FUEL7_COMPARE OCR5C //Replaces ignition3
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#define FUEL8_COMPARE OCR5B //Replaces ignition2
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#define IGN1_COMPARE OCR5A
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#define IGN2_COMPARE OCR5B
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#define IGN3_COMPARE OCR5C
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#define IGN4_COMPARE OCR4A
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#define IGN5_COMPARE OCR4C
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#define IGN6_COMPARE OCR4B //Replaces injector 4
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#define IGN7_COMPARE OCR3C //Replaces injector 3
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#define IGN8_COMPARE OCR3B //Replaces injector 2
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#define FUEL1_TIMER_ENABLE() TIMSK3 |= (1 << OCIE3A) //Turn on the A compare unit (ie turn on the interrupt)
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#define FUEL2_TIMER_ENABLE() TIMSK3 |= (1 << OCIE3B) //Turn on the B compare unit (ie turn on the interrupt)
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#define FUEL3_TIMER_ENABLE() TIMSK3 |= (1 << OCIE3C) //Turn on the C compare unit (ie turn on the interrupt)
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#define FUEL4_TIMER_ENABLE() TIMSK4 |= (1 << OCIE4B) //Turn on the B compare unit (ie turn on the interrupt)
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#define FUEL5_TIMER_ENABLE() TIMSK4 |= (1 << OCIE4C) //
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#define FUEL6_TIMER_ENABLE() TIMSK4 |= (1 << OCIE4A) //
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#define FUEL7_TIMER_ENABLE() TIMSK5 |= (1 << OCIE5C) //
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#define FUEL8_TIMER_ENABLE() TIMSK5 |= (1 << OCIE5B) //
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#define FUEL1_TIMER_DISABLE() TIMSK3 &= ~(1 << OCIE3A); //Turn off this output compare unit
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#define FUEL2_TIMER_DISABLE() TIMSK3 &= ~(1 << OCIE3B); //Turn off this output compare unit
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#define FUEL3_TIMER_DISABLE() TIMSK3 &= ~(1 << OCIE3C); //Turn off this output compare unit
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#define FUEL4_TIMER_DISABLE() TIMSK4 &= ~(1 << OCIE4B); //Turn off this output compare unit
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#define FUEL5_TIMER_DISABLE() TIMSK4 &= ~(1 << OCIE4C); //
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#define FUEL6_TIMER_DISABLE() TIMSK4 &= ~(1 << OCIE4A); //
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#define FUEL7_TIMER_DISABLE() TIMSK5 &= ~(1 << OCIE5C); //
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#define FUEL8_TIMER_DISABLE() TIMSK5 &= ~(1 << OCIE5B); //
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//These have the TIFR5 bits set to 1 to clear the interrupt flag. This prevents a false interrupt being called the first time the channel is enabled.
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//I'm not sure why these are necessary as these should all be reset upon initialisation, but they do for the problem when added here
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#define IGN1_TIMER_ENABLE() TIFR5 |= (1<<OCF5A); TIMSK5 |= (1 << OCIE5A) //Turn on the A compare unit (ie turn on the interrupt)
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#define IGN2_TIMER_ENABLE() TIFR5 |= (1<<OCF5B); TIMSK5 |= (1 << OCIE5B) //Turn on the B compare unit (ie turn on the interrupt)
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#define IGN3_TIMER_ENABLE() TIFR5 |= (1<<OCF5C); TIMSK5 |= (1 << OCIE5C) //Turn on the C compare unit (ie turn on the interrupt)
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//#define IGN1_TIMER_ENABLE() TIMSK5 |= (1 << OCIE5A) //Turn on the B compare unit (ie turn on the interrupt)
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//#define IGN2_TIMER_ENABLE() TIMSK5 |= (1 << OCIE5B) //Turn on the B compare unit (ie turn on the interrupt)
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//#define IGN3_TIMER_ENABLE() TIMSK5 |= (1 << OCIE5C) //Turn on the C compare unit (ie turn on the interrupt)
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#define IGN4_TIMER_ENABLE() TIMSK4 |= (1 << OCIE4A) //Turn on the A compare unit (ie turn on the interrupt)
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#define IGN5_TIMER_ENABLE() TIMSK4 |= (1 << OCIE4C) //Turn on the A compare unit (ie turn on the interrupt)
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#define IGN6_TIMER_ENABLE() TIMSK4 |= (1 << OCIE4B) //Replaces injector 4
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#define IGN7_TIMER_ENABLE() TIMSK3 |= (1 << OCIE3C) //Replaces injector 3
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#define IGN8_TIMER_ENABLE() TIMSK3 |= (1 << OCIE3B) //Replaces injector 2
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#define IGN1_TIMER_DISABLE() TIMSK5 &= ~(1 << OCIE5A) //Turn off this output compare unit
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#define IGN2_TIMER_DISABLE() TIMSK5 &= ~(1 << OCIE5B) //Turn off this output compare unit
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#define IGN3_TIMER_DISABLE() TIMSK5 &= ~(1 << OCIE5C) //Turn off this output compare unit
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#define IGN4_TIMER_DISABLE() TIMSK4 &= ~(1 << OCIE4A) //Turn off this output compare unit
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#define IGN5_TIMER_DISABLE() TIMSK4 &= ~(1 << OCIE4C) //Turn off this output compare unit
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#define IGN6_TIMER_DISABLE() TIMSK4 &= ~(1 << OCIE4B) //Replaces injector 4
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#define IGN7_TIMER_DISABLE() TIMSK3 &= ~(1 << OCIE3C) //Replaces injector 3
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#define IGN8_TIMER_DISABLE() TIMSK3 &= ~(1 << OCIE3B) //Replaces injector 2
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#define MAX_TIMER_PERIOD 262140UL //The longest period of time (in uS) that the timer can permit (IN this case it is 65535 * 4, as each timer tick is 4uS)
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#define uS_TO_TIMER_COMPARE(uS1) ((uS1) >> 2) //Converts a given number of uS into the required number of timer ticks until that time has passed
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/*
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***********************************************************************************************************
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* Auxilliaries
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*/
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#define ENABLE_BOOST_TIMER() TIMSK1 |= (1 << OCIE1A)
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#define DISABLE_BOOST_TIMER() TIMSK1 &= ~(1 << OCIE1A)
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#define ENABLE_VVT_TIMER() TIMSK1 |= (1 << OCIE1B)
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#define DISABLE_VVT_TIMER() TIMSK1 &= ~(1 << OCIE1B)
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#define BOOST_TIMER_COMPARE OCR1A
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#define BOOST_TIMER_COUNTER TCNT1
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#define VVT_TIMER_COMPARE OCR1B
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#define VVT_TIMER_COUNTER TCNT1
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/*
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***********************************************************************************************************
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* Idle
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*/
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#define IDLE_COUNTER TCNT1
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#define IDLE_COMPARE OCR1C
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#define IDLE_TIMER_ENABLE() TIMSK1 |= (1 << OCIE1C)
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#define IDLE_TIMER_DISABLE() TIMSK1 &= ~(1 << OCIE1C)
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/*
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***********************************************************************************************************
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* CAN / Second serial
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*/
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#endif //CORE_AVR
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#endif //AVR2560_H
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