speeduino/speeduino/board_avr2560.h

168 lines
8.7 KiB
C

#ifndef AVR2560_H
#define AVR2560_H
#include "globals.h"
#if defined(CORE_AVR)
#include <avr/interrupt.h>
#include <avr/io.h>
/*
***********************************************************************************************************
* General
*/
#define PORT_TYPE uint8_t //Size of the port variables (Eg inj1_pin_port).
#define PINMASK_TYPE uint8_t
#define COMPARE_TYPE uint16_t
#define COUNTER_TYPE uint16_t
#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
#define FPU_MAX_SIZE 0 //Size of the FPU buffer. 0 means no FPU.
#ifdef USE_SPI_EEPROM
#define EEPROM_LIB_H "src/SPIAsEEPROM/SPIAsEEPROM.h"
typedef uint16_t eeprom_address_t;
#else
#define EEPROM_LIB_H <EEPROM.h>
typedef int eeprom_address_t;
#endif
#ifdef PLATFORMIO
#define RTC_LIB_H <TimeLib.h>
#else
#define RTC_LIB_H <Time.h>
#endif
void initBoard(void);
uint16_t freeRam(void);
void doSystemReset(void);
void jumpToBootloader(void);
#if defined(TIMER5_MICROS)
/*#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
#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.
static inline unsigned long micros_safe(); //A version of micros() that is interrupt safe
#else
#define micros_safe() micros() //If the timer5 method is not used, the micros_safe() macro is simply an alias for the normal micros()
#endif
#define pinIsReserved(pin) ( ((pin) == 0) ) //Forbidden pins like USB on other boards
//Mega 2561 MCU does not have a serial3 available.
#if not defined(__AVR_ATmega2561__)
#define USE_SERIAL3
#endif
/*
***********************************************************************************************************
* Schedules
*/
//Refer to svn.savannah.nongnu.org/viewvc/trunk/avr-libc/include/avr/iomxx0_1.h?root=avr-libc&view=markup
#define FUEL1_COUNTER TCNT3
#define FUEL2_COUNTER TCNT3
#define FUEL3_COUNTER TCNT3
#define FUEL4_COUNTER TCNT4
#define FUEL5_COUNTER TCNT4
#define FUEL6_COUNTER TCNT4 //Replaces ignition 4
#define FUEL7_COUNTER TCNT5 //Replaces ignition 3
#define FUEL8_COUNTER TCNT5 //Replaces ignition 2
#define IGN1_COUNTER TCNT5
#define IGN2_COUNTER TCNT5
#define IGN3_COUNTER TCNT5
#define IGN4_COUNTER TCNT4
#define IGN5_COUNTER TCNT4
#define IGN6_COUNTER TCNT4 //Replaces injector 4
#define IGN7_COUNTER TCNT3 //Replaces injector 3
#define IGN8_COUNTER TCNT3 //Replaces injector 2
#define FUEL1_COMPARE OCR3A
#define FUEL2_COMPARE OCR3B
#define FUEL3_COMPARE OCR3C
#define FUEL4_COMPARE OCR4B //Replaces ignition 6
#define FUEL5_COMPARE OCR4C //Replaces ignition 5
#define FUEL6_COMPARE OCR4A //Replaces ignition 4
#define FUEL7_COMPARE OCR5C //Replaces ignition 3
#define FUEL8_COMPARE OCR5B //Replaces ignition 2
#define IGN1_COMPARE OCR5A
#define IGN2_COMPARE OCR5B
#define IGN3_COMPARE OCR5C
#define IGN4_COMPARE OCR4A //Replaces injector 6
#define IGN5_COMPARE OCR4C //Replaces injector 5
#define IGN6_COMPARE OCR4B //Replaces injector 4
#define IGN7_COMPARE OCR3C //Replaces injector 3
#define IGN8_COMPARE OCR3B //Replaces injector 2
//Note that the interrupt flag is reset BEFORE the interrupt is enabled
static inline void FUEL1_TIMER_ENABLE(void) { TIFR3 |= (1<<OCF3A) ; TIMSK3 |= (1 << OCIE3A); } //Turn on the A compare unit (ie turn on the interrupt)
static inline void FUEL2_TIMER_ENABLE(void) { TIFR3 |= (1<<OCF3B); TIMSK3 |= (1 << OCIE3B); } //Turn on the B compare unit (ie turn on the interrupt)
static inline void FUEL3_TIMER_ENABLE(void) { TIFR3 |= (1<<OCF3C); TIMSK3 |= (1 << OCIE3C); } //Turn on the C compare unit (ie turn on the interrupt)
static inline void FUEL4_TIMER_ENABLE(void) { TIFR4 |= (1<<OCF4B); TIMSK4 |= (1 << OCIE4B); } //Turn on the B compare unit (ie turn on the interrupt)
static inline void FUEL5_TIMER_ENABLE(void) { TIFR4 |= (1<<OCF4C); TIMSK4 |= (1 << OCIE4C); } //Turn on the C compare unit (ie turn on the interrupt)
static inline void FUEL6_TIMER_ENABLE(void) { TIFR4 |= (1<<OCF4A); TIMSK4 |= (1 << OCIE4A); } //Turn on the A compare unit (ie turn on the interrupt)
static inline void FUEL7_TIMER_ENABLE(void) { TIFR5 |= (1<<OCF5C); TIMSK5 |= (1 << OCIE5C); } //
static inline void FUEL8_TIMER_ENABLE(void) { TIFR5 |= (1<<OCF5B); TIMSK5 |= (1 << OCIE5B); } //
static inline void FUEL1_TIMER_DISABLE(void) { TIMSK3 &= ~(1 << OCIE3A); } // //Turn off this output compare unit
static inline void FUEL2_TIMER_DISABLE(void) { TIMSK3 &= ~(1 << OCIE3B); } // //Turn off this output compare unit
static inline void FUEL3_TIMER_DISABLE(void) { TIMSK3 &= ~(1 << OCIE3C); } // //Turn off this output compare unit
static inline void FUEL4_TIMER_DISABLE(void) { TIMSK4 &= ~(1 << OCIE4B); } ////Turn off this output compare unit
static inline void FUEL5_TIMER_DISABLE(void) { TIMSK4 &= ~(1 << OCIE4C); } // //
static inline void FUEL6_TIMER_DISABLE(void) { TIMSK4 &= ~(1 << OCIE4A); } // //
static inline void FUEL7_TIMER_DISABLE(void) { TIMSK5 &= ~(1 << OCIE5C); } // //
static inline void FUEL8_TIMER_DISABLE(void) { TIMSK5 &= ~(1 << OCIE5B); } //
//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.
static inline void IGN1_TIMER_ENABLE(void) { TIFR5 |= (1<<OCF5A); TIMSK5 |= (1 << OCIE5A); } //Turn on the A compare unit (ie turn on the interrupt)
static inline void IGN2_TIMER_ENABLE(void) { TIFR5 |= (1<<OCF5B); TIMSK5 |= (1 << OCIE5B); }//Turn on the B compare unit (ie turn on the interrupt)
static inline void IGN3_TIMER_ENABLE(void) { TIFR5 |= (1<<OCF5C); TIMSK5 |= (1 << OCIE5C); }//Turn on the C compare unit (ie turn on the interrupt)
static inline void IGN4_TIMER_ENABLE(void) { TIFR4 |= (1<<OCF4A); TIMSK4 |= (1 << OCIE4A); }//Turn on the A compare unit (ie turn on the interrupt)
static inline void IGN5_TIMER_ENABLE(void) { TIFR4 |= (1<<OCF4C); TIMSK4 |= (1 << OCIE4C); } //Turn on the A compare unit (ie turn on the interrupt)
static inline void IGN6_TIMER_ENABLE(void) { TIFR4 |= (1<<OCF4B); TIMSK4 |= (1 << OCIE4B); } //Replaces injector 4
static inline void IGN7_TIMER_ENABLE(void) { TIMSK3 |= (1 << OCIE3C); }//Replaces injector 3
static inline void IGN8_TIMER_ENABLE(void) { TIMSK3 |= (1 << OCIE3B); } //Replaces injector 2
static inline void IGN1_TIMER_DISABLE(void) { TIMSK5 &= ~(1 << OCIE5A); } //Turn off this output compare unit
static inline void IGN2_TIMER_DISABLE(void) { TIMSK5 &= ~(1 << OCIE5B); } //Turn off this output compare unit
static inline void IGN3_TIMER_DISABLE(void) { TIMSK5 &= ~(1 << OCIE5C); } //Turn off this output compare unit
static inline void IGN4_TIMER_DISABLE(void) { TIMSK4 &= ~(1 << OCIE4A); } //Turn off this output compare unit
static inline void IGN5_TIMER_DISABLE(void) { TIMSK4 &= ~(1 << OCIE4C); } //Turn off this output compare unit
static inline void IGN6_TIMER_DISABLE(void) { TIMSK4 &= ~(1 << OCIE4B); } //Replaces injector 4
static inline void IGN7_TIMER_DISABLE(void) { TIMSK3 &= ~(1 << OCIE3C); } //Replaces injector 3
static inline void IGN8_TIMER_DISABLE(void) { TIMSK3 &= ~(1 << OCIE3B); } //Replaces injector 2
#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)
#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
/*
***********************************************************************************************************
* Auxiliaries
*/
#define ENABLE_BOOST_TIMER() TIMSK1 |= (1 << OCIE1A)
#define DISABLE_BOOST_TIMER() TIMSK1 &= ~(1 << OCIE1A)
#define ENABLE_VVT_TIMER() TIMSK1 |= (1 << OCIE1B)
#define DISABLE_VVT_TIMER() TIMSK1 &= ~(1 << OCIE1B)
#define BOOST_TIMER_COMPARE OCR1A
#define BOOST_TIMER_COUNTER TCNT1
#define VVT_TIMER_COMPARE OCR1B
#define VVT_TIMER_COUNTER TCNT1
/*
***********************************************************************************************************
* Idle
*/
#define IDLE_COUNTER TCNT1
#define IDLE_COMPARE OCR1C
#define IDLE_TIMER_ENABLE() TIMSK1 |= (1 << OCIE1C)
#define IDLE_TIMER_DISABLE() TIMSK1 &= ~(1 << OCIE1C)
/*
***********************************************************************************************************
* CAN / Second serial
*/
#if ( defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__) )
#define secondarySerial_AVAILABLE
#endif
#define SECONDARY_SERIAL_T HardwareSerial
#endif //CORE_AVR
#endif //AVR2560_H