195 lines
8.3 KiB
C
195 lines
8.3 KiB
C
#ifndef SAME51_H
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#define SAME51_H
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#if defined(CORE_SAME51)
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#include "sam.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 uint32_t //Size of the port variables (Eg inj1_pin_port). Most systems use a byte, but SAMD21 is a 32-bit unsigned int
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#define BOARD_MAX_DIGITAL_PINS 54 //digital pins +1
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#define BOARD_MAX_IO_PINS 58 //digital pins + analog channels + 1
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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 257 //Size of the serial buffer used by new comms protocol. Additional 1 byte is for flag
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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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#include EEPROM_LIB_H
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//SPIClass SPI_for_flash(1, 2, 3); //SPI1_MOSI, SPI1_MISO, SPI1_SCK
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SPIClass SPI_for_flash = SPI; //SPI1_MOSI, SPI1_MISO, SPI1_SCK
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//windbond W25Q16 SPI flash EEPROM emulation
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EEPROM_Emulation_Config EmulatedEEPROMMconfig{255UL, 4096UL, 31, 0x00100000UL};
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//Flash_SPI_Config SPIconfig{USE_SPI_EEPROM, SPI_for_flash};
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SPI_EEPROM_Class EEPROM(EmulatedEEPROMMconfig, SPIconfig);
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#else
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//#define EEPROM_LIB_H <EEPROM.h>
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#define EEPROM_LIB_H "src/FlashStorage/FlashAsEEPROM.h"
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typedef uint16_t eeprom_address_t;
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#endif
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#define RTC_LIB_H "TimeLib.h"
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void initBoard();
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uint16_t freeRam();
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void doSystemReset();
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void jumpToBootloader();
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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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//Additional analog pins (These won't work without other changes)
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#define PIN_A6 (8ul)
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#define PIN_A7 (9ul)
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#define PIN_A8 (10ul)
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#define PIN_A9 (11ul)
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#define PIN_A13 (9ul)
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#define PIN_A14 (9ul)
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#define PIN_A15 (9ul)
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static const uint8_t A7 = PIN_A7;
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static const uint8_t A8 = PIN_A8;
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static const uint8_t A9 = PIN_A9;
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static const uint8_t A13 = PIN_A13;
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static const uint8_t A14 = PIN_A14;
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static const uint8_t A15 = PIN_A15;
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/*
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***********************************************************************************************************
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* Schedules
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*/
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//See : https://electronics.stackexchange.com/questions/325159/the-value-of-the-tcc-counter-on-an-atsam-controller-always-reads-as-zero
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// SAME512 Timer channel list: https://user-images.githubusercontent.com/11770912/62131781-2e150b80-b31f-11e9-9970-9a6c2356a17c.png
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#define FUEL1_COUNTER TCC0->COUNT.reg
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#define FUEL2_COUNTER TCC0->COUNT.reg
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#define FUEL3_COUNTER TCC0->COUNT.reg
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#define FUEL4_COUNTER TCC0->COUNT.reg
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//The below are NOT YET RIGHT!
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#define FUEL5_COUNTER TCC1->COUNT.reg
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#define FUEL6_COUNTER TCC1->COUNT.reg
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#define FUEL7_COUNTER TCC1->COUNT.reg
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#define FUEL8_COUNTER TCC1->COUNT.reg
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#define IGN1_COUNTER TCC1->COUNT.reg
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#define IGN2_COUNTER TCC1->COUNT.reg
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#define IGN3_COUNTER TCC2->COUNT.reg
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#define IGN4_COUNTER TCC2->COUNT.reg
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//The below are NOT YET RIGHT!
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#define IGN5_COUNTER TCC1->COUNT.reg
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#define IGN6_COUNTER TCC1->COUNT.reg
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#define IGN7_COUNTER TCC2->COUNT.reg
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#define IGN8_COUNTER TCC2->COUNT.reg
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#define FUEL1_COMPARE TCC0->CC[0].bit.CC
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#define FUEL2_COMPARE TCC0->CC[1].bit.CC
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#define FUEL3_COMPARE TCC0->CC[2].bit.CC
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#define FUEL4_COMPARE TCC0->CC[3].bit.CC
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//The below are NOT YET RIGHT!
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#define FUEL5_COMPARE TCC1->CC[0].bit.CC
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#define FUEL6_COMPARE TCC1->CC[1].bit.CC
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#define FUEL7_COMPARE TCC1->CC[2].bit.CC
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#define FUEL8_COMPARE TCC1->CC[3].bit.CC
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#define IGN1_COMPARE TCC1->CC[0].bit.CC
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#define IGN2_COMPARE TCC1->CC[1].bit.CC
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#define IGN3_COMPARE TCC2->CC[0].bit.CC
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#define IGN4_COMPARE TCC2->CC[1].bit.CC
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//The below are NOT YET RIGHT!
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#define IGN5_COMPARE TCC1->CC[0].bit.CC
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#define IGN6_COMPARE TCC1->CC[1].bit.CC
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#define IGN7_COMPARE TCC2->CC[0].bit.CC
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#define IGN8_COMPARE TCC2->CC[1].bit.CC
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#define FUEL1_TIMER_ENABLE() TCC0->INTENSET.bit.MC0 = 0x1
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#define FUEL2_TIMER_ENABLE() TCC0->INTENSET.bit.MC1 = 0x1
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#define FUEL3_TIMER_ENABLE() TCC0->INTENSET.bit.MC2 = 0x1
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#define FUEL4_TIMER_ENABLE() TCC0->INTENSET.bit.MC3 = 0x1
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//The below are NOT YET RIGHT!
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#define FUEL5_TIMER_ENABLE() TCC0->INTENSET.bit.MC0 = 0x1
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#define FUEL6_TIMER_ENABLE() TCC0->INTENSET.bit.MC1 = 0x1
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#define FUEL7_TIMER_ENABLE() TCC0->INTENSET.bit.MC2 = 0x1
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#define FUEL8_TIMER_ENABLE() TCC0->INTENSET.bit.MC3 = 0x1
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#define FUEL1_TIMER_DISABLE() TCC0->INTENSET.bit.MC0 = 0x0
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#define FUEL2_TIMER_DISABLE() TCC0->INTENSET.bit.MC0 = 0x0
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#define FUEL3_TIMER_DISABLE() TCC0->INTENSET.bit.MC0 = 0x0
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#define FUEL4_TIMER_DISABLE() TCC0->INTENSET.bit.MC0 = 0x0
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//The below are NOT YET RIGHT!
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#define FUEL5_TIMER_DISABLE() TCC0->INTENSET.bit.MC0 = 0x0
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#define FUEL6_TIMER_DISABLE() TCC0->INTENSET.bit.MC0 = 0x0
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#define FUEL7_TIMER_DISABLE() TCC0->INTENSET.bit.MC0 = 0x0
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#define FUEL8_TIMER_DISABLE() TCC0->INTENSET.bit.MC0 = 0x0
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#define IGN1_TIMER_ENABLE() TCC1->INTENSET.bit.MC0 = 0x1
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#define IGN2_TIMER_ENABLE() TCC1->INTENSET.bit.MC1 = 0x1
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#define IGN3_TIMER_ENABLE() TCC2->INTENSET.bit.MC0 = 0x1
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#define IGN4_TIMER_ENABLE() TCC2->INTENSET.bit.MC1 = 0x1
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//The below are NOT YET RIGHT!
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#define IGN5_TIMER_ENABLE() TCC1->INTENSET.bit.MC0 = 0x1
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#define IGN6_TIMER_ENABLE() TCC1->INTENSET.bit.MC1 = 0x1
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#define IGN7_TIMER_ENABLE() TCC2->INTENSET.bit.MC0 = 0x1
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#define IGN8_TIMER_ENABLE() TCC2->INTENSET.bit.MC1 = 0x1
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#define IGN1_TIMER_DISABLE() TCC1->INTENSET.bit.MC0 = 0x0
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#define IGN2_TIMER_DISABLE() TCC1->INTENSET.bit.MC1 = 0x0
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#define IGN3_TIMER_DISABLE() TCC2->INTENSET.bit.MC0 = 0x0
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#define IGN4_TIMER_DISABLE() TCC2->INTENSET.bit.MC1 = 0x0
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//The below are NOT YET RIGHT!
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#define IGN5_TIMER_DISABLE() TCC1->INTENSET.bit.MC0 = 0x0
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#define IGN6_TIMER_DISABLE() TCC1->INTENSET.bit.MC1 = 0x0
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#define IGN7_TIMER_DISABLE() TCC2->INTENSET.bit.MC0 = 0x0
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#define IGN8_TIMER_DISABLE() TCC2->INTENSET.bit.MC1 = 0x0
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#define MAX_TIMER_PERIOD 139808 // 2.13333333uS * 65535
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#define MAX_TIMER_PERIOD_SLOW 139808
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#define uS_TO_TIMER_COMPARE(uS) ((uS * 15) >> 5) //Converts a given number of uS into the required number of timer ticks until that time has passed.
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//Hack compatibility with AVR timers that run at different speeds
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#define uS_TO_TIMER_COMPARE_SLOW(uS) ((uS * 15) >> 5)
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/*
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***********************************************************************************************************
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* Auxiliaries
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*/
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//Uses the 2nd TC
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//The 2nd TC is referred to as TC4
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#define ENABLE_BOOST_TIMER() TC4->COUNT16.INTENSET.bit.MC0 = 0x1 // Enable match interrupts on compare channel 0
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#define DISABLE_BOOST_TIMER() TC4->COUNT16.INTENSET.bit.MC0 = 0x0
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#define ENABLE_VVT_TIMER() TC4->COUNT16.INTENSET.bit.MC1 = 0x1
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#define DISABLE_VVT_TIMER() TC4->COUNT16.INTENSET.bit.MC1 = 0x0
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#define BOOST_TIMER_COMPARE TC4->COUNT16.CC[0].reg
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#define BOOST_TIMER_COUNTER TC4->COUNT16.COUNT.bit.COUNT
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#define VVT_TIMER_COMPARE TC4->COUNT16.CC[1].reg
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#define VVT_TIMER_COUNTER TC4->COUNT16.COUNT.bit.COUNT
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/*
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***********************************************************************************************************
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* Idle
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*/
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//3rd TC is aliased as TC5
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#define IDLE_COUNTER TC5->COUNT16.COUNT.bit.COUNT
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#define IDLE_COMPARE TC5->COUNT16.CC[0].reg
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#define IDLE_TIMER_ENABLE() TC5->COUNT16.INTENSET.bit.MC0 = 0x1
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#define IDLE_TIMER_DISABLE() TC5->COUNT16.INTENSET.bit.MC0 = 0x0
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/*
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***********************************************************************************************************
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* CAN / Second serial
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*/
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Uart CANSerial (&sercom3, 0, 1, SERCOM_RX_PAD_1, UART_TX_PAD_0);
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#endif //CORE_SAMD21
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#endif //SAMD21_H
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