168 lines
8.7 KiB
C
168 lines
8.7 KiB
C
#ifndef AVR2560_H
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#define AVR2560_H
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#include "globals.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 SERIAL_BUFFER_SIZE (256+7+1) //Size of the serial buffer used by new comms protocol. The largest single packet is the O2 calibration which is 256 bytes + 7 bytes of overhead
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#define FPU_MAX_SIZE 0 //Size of the FPU buffer. 0 means no FPU.
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#ifdef USE_SPI_EEPROM
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#define EEPROM_LIB_H "src/SPIAsEEPROM/SPIAsEEPROM.h"
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typedef uint16_t eeprom_address_t;
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#else
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#define EEPROM_LIB_H <EEPROM.h>
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typedef int eeprom_address_t;
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#endif
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#ifdef PLATFORMIO
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#define RTC_LIB_H <TimeLib.h>
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#else
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#define RTC_LIB_H <Time.h>
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#endif
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void initBoard(void);
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uint16_t freeRam(void);
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void doSystemReset(void);
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void jumpToBootloader(void);
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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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#define pinIsReserved(pin) ( ((pin) == 0) ) //Forbidden pins like USB on other boards
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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 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 //Replaces ignition 6
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#define FUEL5_COMPARE OCR4C //Replaces ignition 5
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#define FUEL6_COMPARE OCR4A //Replaces ignition 4
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#define FUEL7_COMPARE OCR5C //Replaces ignition 3
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#define FUEL8_COMPARE OCR5B //Replaces ignition 2
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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 //Replaces injector 6
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#define IGN5_COMPARE OCR4C //Replaces injector 5
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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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//Note that the interrupt flag is reset BEFORE the interrupt is enabled
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static inline void FUEL1_TIMER_ENABLE(void) { TIFR3 |= (1<<OCF3A) ; TIMSK3 |= (1 << OCIE3A); } //Turn on the A compare unit (ie turn on the interrupt)
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static inline void FUEL2_TIMER_ENABLE(void) { TIFR3 |= (1<<OCF3B); TIMSK3 |= (1 << OCIE3B); } //Turn on the B compare unit (ie turn on the interrupt)
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static inline void FUEL3_TIMER_ENABLE(void) { TIFR3 |= (1<<OCF3C); TIMSK3 |= (1 << OCIE3C); } //Turn on the C compare unit (ie turn on the interrupt)
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static inline void FUEL4_TIMER_ENABLE(void) { TIFR4 |= (1<<OCF4B); TIMSK4 |= (1 << OCIE4B); } //Turn on the B compare unit (ie turn on the interrupt)
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static inline void FUEL5_TIMER_ENABLE(void) { TIFR4 |= (1<<OCF4C); TIMSK4 |= (1 << OCIE4C); } //Turn on the C compare unit (ie turn on the interrupt)
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static inline void FUEL6_TIMER_ENABLE(void) { TIFR4 |= (1<<OCF4A); TIMSK4 |= (1 << OCIE4A); } //Turn on the A compare unit (ie turn on the interrupt)
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static inline void FUEL7_TIMER_ENABLE(void) { TIFR5 |= (1<<OCF5C); TIMSK5 |= (1 << OCIE5C); } //
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static inline void FUEL8_TIMER_ENABLE(void) { TIFR5 |= (1<<OCF5B); TIMSK5 |= (1 << OCIE5B); } //
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static inline void FUEL1_TIMER_DISABLE(void) { TIMSK3 &= ~(1 << OCIE3A); } // //Turn off this output compare unit
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static inline void FUEL2_TIMER_DISABLE(void) { TIMSK3 &= ~(1 << OCIE3B); } // //Turn off this output compare unit
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static inline void FUEL3_TIMER_DISABLE(void) { TIMSK3 &= ~(1 << OCIE3C); } // //Turn off this output compare unit
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static inline void FUEL4_TIMER_DISABLE(void) { TIMSK4 &= ~(1 << OCIE4B); } ////Turn off this output compare unit
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static inline void FUEL5_TIMER_DISABLE(void) { TIMSK4 &= ~(1 << OCIE4C); } // //
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static inline void FUEL6_TIMER_DISABLE(void) { TIMSK4 &= ~(1 << OCIE4A); } // //
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static inline void FUEL7_TIMER_DISABLE(void) { TIMSK5 &= ~(1 << OCIE5C); } // //
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static inline void FUEL8_TIMER_DISABLE(void) { 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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static inline void IGN1_TIMER_ENABLE(void) { TIFR5 |= (1<<OCF5A); TIMSK5 |= (1 << OCIE5A); } //Turn on the A compare unit (ie turn on the interrupt)
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static inline void IGN2_TIMER_ENABLE(void) { TIFR5 |= (1<<OCF5B); TIMSK5 |= (1 << OCIE5B); }//Turn on the B compare unit (ie turn on the interrupt)
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static inline void IGN3_TIMER_ENABLE(void) { TIFR5 |= (1<<OCF5C); TIMSK5 |= (1 << OCIE5C); }//Turn on the C compare unit (ie turn on the interrupt)
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static inline void IGN4_TIMER_ENABLE(void) { TIFR4 |= (1<<OCF4A); TIMSK4 |= (1 << OCIE4A); }//Turn on the A compare unit (ie turn on the interrupt)
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static inline void IGN5_TIMER_ENABLE(void) { TIFR4 |= (1<<OCF4C); TIMSK4 |= (1 << OCIE4C); } //Turn on the A compare unit (ie turn on the interrupt)
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static inline void IGN6_TIMER_ENABLE(void) { TIFR4 |= (1<<OCF4B); TIMSK4 |= (1 << OCIE4B); } //Replaces injector 4
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static inline void IGN7_TIMER_ENABLE(void) { TIMSK3 |= (1 << OCIE3C); }//Replaces injector 3
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static inline void IGN8_TIMER_ENABLE(void) { TIMSK3 |= (1 << OCIE3B); } //Replaces injector 2
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static inline void IGN1_TIMER_DISABLE(void) { TIMSK5 &= ~(1 << OCIE5A); } //Turn off this output compare unit
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static inline void IGN2_TIMER_DISABLE(void) { TIMSK5 &= ~(1 << OCIE5B); } //Turn off this output compare unit
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static inline void IGN3_TIMER_DISABLE(void) { TIMSK5 &= ~(1 << OCIE5C); } //Turn off this output compare unit
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static inline void IGN4_TIMER_DISABLE(void) { TIMSK4 &= ~(1 << OCIE4A); } //Turn off this output compare unit
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static inline void IGN5_TIMER_DISABLE(void) { TIMSK4 &= ~(1 << OCIE4C); } //Turn off this output compare unit
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static inline void IGN6_TIMER_DISABLE(void) { TIMSK4 &= ~(1 << OCIE4B); } //Replaces injector 4
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static inline void IGN7_TIMER_DISABLE(void) { TIMSK3 &= ~(1 << OCIE3C); } //Replaces injector 3
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static inline void IGN8_TIMER_DISABLE(void) { 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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* Auxiliaries
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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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#if ( defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__) )
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#define secondarySerial_AVAILABLE
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#endif
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#define SECONDARY_SERIAL_T HardwareSerial
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#endif //CORE_AVR
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#endif //AVR2560_H
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