/* Speeduino - Simple engine management for the Arduino Mega 2560 platform Copyright (C) Josh Stewart A full copy of the license may be found in the projects root directory */ /* Returns how much free dynamic memory exists (between heap and stack) This function is one big MISRA violation. MISRA advisories forbid directly poking at memory addresses, however there is no other way of determining heap size on embedded systems. */ #include "utils.h" uint16_t freeRam () { #if defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__) extern int __heap_start, *__brkval; uint16_t v; return (uint16_t) &v - (__brkval == 0 ? (int) &__heap_start : (int) __brkval); #elif defined(CORE_TEENSY) uint32_t stackTop; uint32_t heapTop; // current position of the stack. stackTop = (uint32_t) &stackTop; // current position of heap. void* hTop = malloc(1); heapTop = (uint32_t) hTop; free(hTop); // The difference is the free, available ram. return (uint16_t)stackTop - heapTop; #elif defined(CORE_STM32) char top = 't'; return &top - reinterpret_cast(sbrk(0)); #endif } void setPinMapping(byte boardID) { //This is dumb, but it'll do for now to get things compiling #if defined(CORE_STM32) //STM32F1/variants/.../board.cpp #define A0 boardADCPins[0] #define A1 boardADCPins[1] #define A2 boardADCPins[2] #define A3 boardADCPins[3] #define A4 boardADCPins[4] #define A5 boardADCPins[5] #define A6 boardADCPins[6] #define A7 boardADCPins[7] #define A8 boardADCPins[8] #define A9 boardADCPins[9] //STM32F1 have only 9 12bit adc #define A10 boardADCPins[0] #define A11 boardADCPins[1] #define A12 boardADCPins[2] #define A13 boardADCPins[3] #define A14 boardADCPins[4] #define A15 boardADCPins[5] #endif switch (boardID) { case 0: //Pin mappings as per the v0.1 shield pinInjector1 = 8; //Output pin injector 1 is on pinInjector2 = 9; //Output pin injector 2 is on pinInjector3 = 11; //Output pin injector 3 is on pinInjector4 = 10; //Output pin injector 4 is on pinInjector5 = 12; //Output pin injector 5 is on pinCoil1 = 6; //Pin for coil 1 pinCoil2 = 7; //Pin for coil 2 pinCoil3 = 12; //Pin for coil 3 pinCoil4 = 13; //Pin for coil 4 pinCoil5 = 14; //Pin for coil 5 pinTrigger = 2; //The CAS pin pinTrigger2 = 3; //The CAS pin pinTPS = A0; //TPS input pin pinMAP = A1; //MAP sensor pin pinIAT = A2; //IAT sensor pin pinCLT = A3; //CLS sensor pin pinO2 = A4; //O2 Sensor pin pinIdle1 = 46; //Single wire idle control pinIdle2 = 47; //2 wire idle control pinStepperDir = 16; //Direction pin for DRV8825 driver pinStepperStep = 17; //Step pin for DRV8825 driver pinFan = 47; //Pin for the fan output pinFuelPump = 4; //Fuel pump output pinTachOut = 49; //Tacho output pin pinFlex = 19; // Flex sensor (Must be external interrupt enabled) break; case 1: //Pin mappings as per the v0.2 shield pinInjector1 = 8; //Output pin injector 1 is on pinInjector2 = 9; //Output pin injector 2 is on pinInjector3 = 10; //Output pin injector 3 is on pinInjector4 = 11; //Output pin injector 4 is on pinInjector5 = 12; //Output pin injector 5 is on pinCoil1 = 28; //Pin for coil 1 pinCoil2 = 24; //Pin for coil 2 pinCoil3 = 40; //Pin for coil 3 pinCoil4 = 36; //Pin for coil 4 pinCoil5 = 34; //Pin for coil 5 PLACEHOLDER value for now pinTrigger = 20; //The CAS pin pinTrigger2 = 21; //The Cam Sensor pin pinTPS = A2; //TPS input pin pinMAP = A3; //MAP sensor pin pinIAT = A0; //IAT sensor pin pinCLT = A1; //CLS sensor pin pinO2 = A8; //O2 Sensor pin pinBat = A4; //Battery reference voltage pin pinDisplayReset = 48; // OLED reset pin pinTachOut = 49; //Tacho output pin pinIdle1 = 30; //Single wire idle control pinIdle2 = 31; //2 wire idle control pinStepperDir = 16; //Direction pin for DRV8825 driver pinStepperStep = 17; //Step pin for DRV8825 driver pinFan = 47; //Pin for the fan output pinFuelPump = 4; //Fuel pump output pinFlex = 2; // Flex sensor (Must be external interrupt enabled) break; case 2: //Pin mappings as per the v0.3 shield pinInjector1 = 8; //Output pin injector 1 is on pinInjector2 = 9; //Output pin injector 2 is on pinInjector3 = 10; //Output pin injector 3 is on pinInjector4 = 11; //Output pin injector 4 is on pinInjector5 = 12; //Output pin injector 5 is on pinCoil1 = 28; //Pin for coil 1 pinCoil2 = 24; //Pin for coil 2 pinCoil3 = 40; //Pin for coil 3 pinCoil4 = 36; //Pin for coil 4 pinCoil5 = 34; //Pin for coil 5 PLACEHOLDER value for now pinTrigger = 19; //The CAS pin pinTrigger2 = 18; //The Cam Sensor pin pinTPS = A2;//TPS input pin pinMAP = A3; //MAP sensor pin pinIAT = A0; //IAT sensor pin pinCLT = A1; //CLS sensor pin pinO2 = A8; //O2 Sensor pin pinBat = A4; //Battery reference voltage pin pinDisplayReset = 48; // OLED reset pin pinTachOut = 49; //Tacho output pin pinIdle1 = 5; //Single wire idle control pinIdle2 = 53; //2 wire idle control pinBoost = 7; //Boost control pinVVT_1 = 6; //Default VVT output pinFuelPump = 4; //Fuel pump output pinStepperDir = 16; //Direction pin for DRV8825 driver pinStepperStep = 17; //Step pin for DRV8825 driver pinStepperEnable = 26; //Enable pin for DRV8825 pinFan = A13; //Pin for the fan output pinLaunch = 12; //Can be overwritten below pinFlex = 2; // Flex sensor (Must be external interrupt enabled) #if defined(CORE_TEENSY) pinTrigger = 23; pinStepperDir = 33; pinStepperStep = 34; pinCoil1 = 31; pinTachOut = 28; pinFan = 27; pinCoil4 = 21; pinCoil3 = 30; pinO2 = A22; #elif defined(CORE_STM32) //http://docs.leaflabs.com/static.leaflabs.com/pub/leaflabs/maple-docs/0.0.12/hardware/maple-mini.html#master-pin-map //pins 23, 24 and 33 couldn't be used pinInjector1 = 15; //Output pin injector 1 is on pinInjector2 = 16; //Output pin injector 2 is on pinInjector3 = 17; //Output pin injector 3 is on pinInjector4 = 18; //Output pin injector 4 is on pinCoil1 = 19; //Pin for coil 1 pinCoil2 = 20; //Pin for coil 2 pinCoil3 = 21; //Pin for coil 3 pinCoil4 = 26; //Pin for coil 4 pinCoil5 = 27; //Pin for coil 5 pinTPS = A0; //TPS input pin pinMAP = A1; //MAP sensor pin pinIAT = A2; //IAT sensor pin pinCLT = A3; //CLS sensor pin pinO2 = A4; //O2 Sensor pin pinBat = A5; //Battery reference voltage pin pinStepperDir = 12; //Direction pin for DRV8825 driver pinStepperStep = 13; //Step pin for DRV8825 driver pinStepperEnable = 14; //Enable pin for DRV8825 pinDisplayReset = 2; // OLED reset pin pinFan = 1; //Pin for the fan output pinFuelPump = 0; //Fuel pump output pinTachOut = 31; //Tacho output pin //external interrupt enabled pins pinFlex = 32; // Flex sensor (Must be external interrupt enabled) pinTrigger = 25; //The CAS pin pinTrigger2 = 22; //The Cam Sensor pin #endif break; case 3: //Pin mappings as per the v0.4 shield pinInjector1 = 8; //Output pin injector 1 is on pinInjector2 = 9; //Output pin injector 2 is on pinInjector3 = 10; //Output pin injector 3 is on pinInjector4 = 11; //Output pin injector 4 is on pinInjector5 = 12; //Output pin injector 5 is on pinCoil1 = 40; //Pin for coil 1 pinCoil2 = 38; //Pin for coil 2 pinCoil3 = 52; //Pin for coil 3 pinCoil4 = 50; //Pin for coil 4 pinCoil5 = 34; //Pin for coil 5 PLACEHOLDER value for now pinTrigger = 19; //The CAS pin pinTrigger2 = 18; //The Cam Sensor pin pinTPS = A2;//TPS input pin pinMAP = A3; //MAP sensor pin pinIAT = A0; //IAT sensor pin pinCLT = A1; //CLS sensor pin pinO2 = A8; //O2 Sensor pin pinBat = A4; //Battery reference voltage pin pinDisplayReset = 48; // OLED reset pin pinTachOut = 49; //Tacho output pin (Goes to ULN2803) pinIdle1 = 5; //Single wire idle control pinIdle2 = 6; //2 wire idle control pinBoost = 7; //Boost control pinVVT_1 = 4; //Default VVT output pinFuelPump = 45; //Fuel pump output (Goes to ULN2803) pinStepperDir = 16; //Direction pin for DRV8825 driver pinStepperStep = 17; //Step pin for DRV8825 driver pinStepperEnable = 24; //Enable pin for DRV8825 pinFan = 47; //Pin for the fan output (Goes to ULN2803) pinLaunch = 12; //Can be overwritten below pinFlex = 2; // Flex sensor (Must be external interrupt enabled) #if defined(CORE_TEENSY) pinTrigger = 23; pinTrigger2 = 35; pinStepperDir = 33; pinStepperStep = 34; pinCoil1 = 31; pinTachOut = 28; pinFan = 27; pinCoil4 = 29; pinCoil3 = 30; pinO2 = A22; #elif defined(CORE_STM32) //http://docs.leaflabs.com/static.leaflabs.com/pub/leaflabs/maple-docs/0.0.12/hardware/maple-mini.html#master-pin-map //pins 23, 24 and 33 couldn't be used pinInjector1 = 15; //Output pin injector 1 is on pinInjector2 = 16; //Output pin injector 2 is on pinInjector3 = 17; //Output pin injector 3 is on pinInjector4 = 18; //Output pin injector 4 is on pinCoil1 = 19; //Pin for coil 1 pinCoil2 = 20; //Pin for coil 2 pinCoil3 = 21; //Pin for coil 3 pinCoil4 = 26; //Pin for coil 4 pinCoil5 = 27; //Pin for coil 5 pinTPS = A0; //TPS input pin pinMAP = A1; //MAP sensor pin pinIAT = A2; //IAT sensor pin pinCLT = A3; //CLS sensor pin pinO2 = A4; //O2 Sensor pin pinBat = A5; //Battery reference voltage pin pinStepperDir = 12; //Direction pin for DRV8825 driver pinStepperStep = 13; //Step pin for DRV8825 driver pinStepperEnable = 14; //Enable pin for DRV8825 pinDisplayReset = 2; // OLED reset pin pinFan = 1; //Pin for the fan output pinFuelPump = 0; //Fuel pump output pinTachOut = 31; //Tacho output pin //external interrupt enabled pins pinFlex = 32; // Flex sensor (Must be external interrupt enabled) pinTrigger = 25; //The CAS pin pinTrigger2 = 22; //The Cam Sensor pin #endif break; case 9: //Pin mappings as per the MX5 PNP shield pinInjector1 = 11; //Output pin injector 1 is on pinInjector2 = 10; //Output pin injector 2 is on pinInjector3 = 8; //Output pin injector 3 is on pinInjector4 = 9; //Output pin injector 4 is on pinInjector5 = 14; //Output pin injector 5 is on pinCoil1 = 39; //Pin for coil 1 pinCoil2 = 41; //Pin for coil 2 pinCoil3 = 35; //Pin for coil 3 pinCoil4 = 37; //Pin for coil 4 pinCoil5 = 34; //Pin for coil 5 PLACEHOLDER value for now pinTrigger = 19; //The CAS pin pinTrigger2 = 18; //The Cam Sensor pin pinTPS = A2;//TPS input pin pinMAP = A5; //MAP sensor pin pinIAT = A0; //IAT sensor pin pinCLT = A1; //CLS sensor pin pinO2 = A3; //O2 Sensor pin pinBat = A4; //Battery reference voltage pin pinDisplayReset = 48; // OLED reset pin pinTachOut = 49; //Tacho output pin (Goes to ULN2803) pinIdle1 = 2; //Single wire idle control pinIdle2 = 3; //2 wire idle control (Note this is shared with boost!!!) pinFuelPump = 37; //Fuel pump output (Goes to ULN2803) pinStepperDir = 16; //Direction pin for DRV8825 driver pinStepperStep = 17; //Step pin for DRV8825 driver pinFan = 47; //Pin for the fan output (Goes to ULN2803) pinLaunch = 12; //Can be overwritten below pinFlex = 2; // Flex sensor (Must be external interrupt enabled) break; case 10: //Pin mappings for user turtanas PCB pinInjector1 = 4; //Output pin injector 1 is on pinInjector2 = 5; //Output pin injector 2 is on pinInjector3 = 6; //Output pin injector 3 is on pinInjector4 = 7; //Output pin injector 4 is on pinInjector5 = 8; //Placeholder only - NOT USED pinInjector6 = 9; //Placeholder only - NOT USED pinInjector7 = 10; //Placeholder only - NOT USED pinInjector8 = 11; //Placeholder only - NOT USED pinCoil1 = 24; //Pin for coil 1 pinCoil2 = 28; //Pin for coil 2 pinCoil3 = 36; //Pin for coil 3 pinCoil4 = 40; //Pin for coil 4 pinCoil5 = 34; //Pin for coil 5 PLACEHOLDER value for now pinTrigger = 18; //The CAS pin pinTrigger2 = 19; //The Cam Sensor pin pinTPS = A2;//TPS input pin pinMAP = A3; //MAP sensor pin pinMAP2 = A8; //MAP2 sensor pin pinIAT = A0; //IAT sensor pin pinCLT = A1; //CLS sensor pin pinO2 = A4; //O2 Sensor pin pinBat = A7; //Battery reference voltage pin pinDisplayReset = 48; // OLED reset pin pinSpareTemp1 = A6; pinSpareTemp2 = A5; pinTachOut = 41; //Tacho output pin transistori puuttuu 2n2222 tähän ja 1k 12v pinFuelPump = 42; //Fuel pump output 2n2222 pinFan = 47; //Pin for the fan output pinTachOut = 49; //Tacho output pin pinFlex = 2; // Flex sensor (Must be external interrupt enabled) break; case 20: //Pin mappings as per the Plazomat In/Out shields Rev 0.1 pinInjector1 = 8; //Output pin injector 1 is on pinInjector2 = 9; //Output pin injector 2 is on pinInjector3 = 10; //Output pin injector 3 is on pinInjector4 = 11; //Output pin injector 4 is on pinInjector5 = 12; //Output pin injector 5 is on pinCoil1 = 28; //Pin for coil 1 pinCoil2 = 24; //Pin for coil 2 pinCoil3 = 40; //Pin for coil 3 pinCoil4 = 36; //Pin for coil 4 pinCoil5 = 34; //Pin for coil 5 PLACEHOLDER value for now pinSpareOut1 = 4; //Spare LSD Output 1(PWM) pinSpareOut2 = 5; //Spare LSD Output 2(PWM) pinSpareOut3 = 6; //Spare LSD Output 3(PWM) pinSpareOut4 = 7; //Spare LSD Output 4(PWM) pinSpareOut5 = 50; //Spare LSD Output 5(digital) pinSpareOut6 = 52; //Spare LSD Output 6(digital) pinTrigger = 20; //The CAS pin pinTrigger2 = 21; //The Cam Sensor pin pinSpareTemp2 = A15; //spare Analog input 2 pinSpareTemp1 = A14; //spare Analog input 1 pinO2 = A8; //O2 Sensor pin pinBat = A4; //Battery reference voltage pin pinMAP = A3; //MAP sensor pin pinTPS = A2;//TPS input pin pinCLT = A1; //CLS sensor pin pinIAT = A0; //IAT sensor pin pinFan = 47; //Pin for the fan output pinFuelPump = 4; //Fuel pump output pinTachOut = 49; //Tacho output pin break; case 30: //Pin mappings as per the dazv6 shield pinInjector1 = 8; //Output pin injector 1 is on pinInjector2 = 9; //Output pin injector 2 is on pinInjector3 = 10; //Output pin injector 3 is on pinInjector4 = 11; //Output pin injector 4 is on pinInjector5 = 12; //Output pin injector 5 is on pinCoil1 = 40; //Pin for coil 1 pinCoil2 = 38; //Pin for coil 2 pinCoil3 = 50; //Pin for coil 3 pinCoil4 = 52; //Pin for coil 4 pinCoil5 = 34; //Pin for coil 5 PLACEHOLDER value for now pinTrigger = 19; //The CAS pin pinTrigger2 = 18; //The Cam Sensor pin pinTrigger3 = 17; // cam sensor 2 pin pinTPS = A2;//TPS input pin pinMAP = A3; //MAP sensor pin pinIAT = A0; //IAT sensor pin pinCLT = A1; //CLS sensor pin pinO2 = A8; //O2 Sensor pin pinO2_2 = A9; //O2 sensor pin (second sensor) pinBat = A4; //Battery reference voltage pin pinDisplayReset = 48; // OLED reset pin pinTachOut = 49; //Tacho output pin pinIdle1 = 5; //Single wire idle control pinFuelPump = 45; //Fuel pump output pinStepperDir = 20; //Direction pin for DRV8825 driver pinStepperStep = 21; //Step pin for DRV8825 driver pinSpareHOut1 = 4; // high current output spare1 pinSpareHOut2 = 6; // high current output spare2 pinBoost = 7; pinSpareLOut1 = 43; //low current output spare1 pinSpareLOut2 = 47; pinSpareLOut3 = 49; pinSpareLOut4 = 51; pinSpareLOut5 = 53; pinFan = 47; //Pin for the fan output break; default: //Pin mappings as per the v0.2 shield pinInjector1 = 8; //Output pin injector 1 is on pinInjector2 = 9; //Output pin injector 2 is on pinInjector3 = 10; //Output pin injector 3 is on pinInjector4 = 11; //Output pin injector 4 is on pinInjector5 = 12; //Output pin injector 5 is on pinCoil1 = 28; //Pin for coil 1 pinCoil2 = 24; //Pin for coil 2 pinCoil3 = 40; //Pin for coil 3 pinCoil4 = 36; //Pin for coil 4 pinCoil5 = 34; //Pin for coil 5 PLACEHOLDER value for now pinTrigger = 20; //The CAS pin pinTrigger2 = 21; //The Cam Sensor pin pinTPS = A2; //TPS input pin pinMAP = A3; //MAP sensor pin pinIAT = A0; //IAT sensor pin pinCLT = A1; //CLS sensor pin pinO2 = A8; //O2 Sensor pin pinBat = A4; //Battery reference voltage pin pinStepperDir = 16; //Direction pin for DRV8825 driver pinStepperStep = 17; //Step pin for DRV8825 driver pinDisplayReset = 48; // OLED reset pin pinFan = 47; //Pin for the fan output pinFuelPump = 4; //Fuel pump output pinTachOut = 49; //Tacho output pin break; } //Setup any devices that are using selectable pins if ( (configPage3.launchPin != 0) && (configPage3.launchPin < BOARD_NR_GPIO_PINS) ) { pinLaunch = configPage3.launchPin; } if ( (configPage2.ignBypassPin != 0) && (configPage2.ignBypassPin < BOARD_NR_GPIO_PINS) ) { pinIgnBypass = configPage2.ignBypassPin; } if ( (configPage1.tachoPin != 0) && (configPage1.tachoPin < BOARD_NR_GPIO_PINS) ) { pinTachOut = configPage1.tachoPin; } if ( (configPage2.fuelPumpPin != 0) && (configPage2.fuelPumpPin < BOARD_NR_GPIO_PINS) ) { pinFuelPump = configPage2.fuelPumpPin; } if ( (configPage4.fanPin != 0) && (configPage4.fanPin < BOARD_NR_GPIO_PINS) ) { pinFan = configPage4.fanPin; } if ( (configPage3.boostPin != 0) && (configPage3.boostPin < BOARD_NR_GPIO_PINS) ) { pinBoost = configPage3.boostPin; } if ( (configPage3.vvtPin != 0) && (configPage3.vvtPin < BOARD_NR_GPIO_PINS) ) { pinVVT_1 = configPage3.vvtPin; } if ( (configPage3.useExtBaro != 0) ) { pinBaro = configPage3.baroPin + A0; } //Finally, set the relevant pin modes for outputs pinMode(pinCoil1, OUTPUT); pinMode(pinCoil2, OUTPUT); pinMode(pinCoil3, OUTPUT); pinMode(pinCoil4, OUTPUT); pinMode(pinCoil5, OUTPUT); pinMode(pinInjector1, OUTPUT); pinMode(pinInjector2, OUTPUT); pinMode(pinInjector3, OUTPUT); pinMode(pinInjector4, OUTPUT); pinMode(pinInjector5, OUTPUT); pinMode(pinTachOut, OUTPUT); pinMode(pinIdle1, OUTPUT); pinMode(pinIdle2, OUTPUT); pinMode(pinFuelPump, OUTPUT); pinMode(pinIgnBypass, OUTPUT); pinMode(pinFan, OUTPUT); pinMode(pinStepperDir, OUTPUT); pinMode(pinStepperStep, OUTPUT); pinMode(pinStepperEnable, OUTPUT); pinMode(pinBoost, OUTPUT); pinMode(pinVVT_1, OUTPUT); inj1_pin_port = portOutputRegister(digitalPinToPort(pinInjector1)); inj1_pin_mask = digitalPinToBitMask(pinInjector1); inj2_pin_port = portOutputRegister(digitalPinToPort(pinInjector2)); inj2_pin_mask = digitalPinToBitMask(pinInjector2); inj3_pin_port = portOutputRegister(digitalPinToPort(pinInjector3)); inj3_pin_mask = digitalPinToBitMask(pinInjector3); inj4_pin_port = portOutputRegister(digitalPinToPort(pinInjector4)); inj4_pin_mask = digitalPinToBitMask(pinInjector4); inj5_pin_port = portOutputRegister(digitalPinToPort(pinInjector5)); inj5_pin_mask = digitalPinToBitMask(pinInjector5); ign1_pin_port = portOutputRegister(digitalPinToPort(pinCoil1)); ign1_pin_mask = digitalPinToBitMask(pinCoil1); ign2_pin_port = portOutputRegister(digitalPinToPort(pinCoil2)); ign2_pin_mask = digitalPinToBitMask(pinCoil2); ign3_pin_port = portOutputRegister(digitalPinToPort(pinCoil3)); ign3_pin_mask = digitalPinToBitMask(pinCoil3); ign4_pin_port = portOutputRegister(digitalPinToPort(pinCoil4)); ign4_pin_mask = digitalPinToBitMask(pinCoil4); ign5_pin_port = portOutputRegister(digitalPinToPort(pinCoil5)); ign5_pin_mask = digitalPinToBitMask(pinCoil5); tach_pin_port = portOutputRegister(digitalPinToPort(pinTachOut)); tach_pin_mask = digitalPinToBitMask(pinTachOut); pump_pin_port = portOutputRegister(digitalPinToPort(pinFuelPump)); pump_pin_mask = digitalPinToBitMask(pinFuelPump); //And for inputs #if defined(CORE_STM32) pinMode(pinMAP, INPUT_ANALOG); pinMode(pinO2, INPUT_ANALOG); pinMode(pinO2_2, INPUT_ANALOG); pinMode(pinTPS, INPUT_ANALOG); pinMode(pinIAT, INPUT_ANALOG); pinMode(pinCLT, INPUT_ANALOG); pinMode(pinBat, INPUT_ANALOG); pinMode(pinBaro, INPUT_ANALOG); #else pinMode(pinMAP, INPUT); pinMode(pinO2, INPUT); pinMode(pinO2_2, INPUT); pinMode(pinTPS, INPUT); pinMode(pinIAT, INPUT); pinMode(pinCLT, INPUT); pinMode(pinBat, INPUT); pinMode(pinBaro, INPUT); #endif pinMode(pinTrigger, INPUT); pinMode(pinTrigger2, INPUT); pinMode(pinTrigger3, INPUT); pinMode(pinFlex, INPUT_PULLUP); //Standard GM / Continental flex sensor requires pullup if (configPage3.lnchPullRes == true) { pinMode(pinLaunch, INPUT_PULLUP); } else { pinMode(pinLaunch, INPUT); //If Launch Pull Resistor is not set make input float. } //These must come after the above pinMode statements triggerPri_pin_port = portInputRegister(digitalPinToPort(pinTrigger)); triggerPri_pin_mask = digitalPinToBitMask(pinTrigger); triggerSec_pin_port = portInputRegister(digitalPinToPort(pinTrigger2)); triggerSec_pin_mask = digitalPinToBitMask(pinTrigger2); #if defined(CORE_STM32) #else //Set default values digitalWrite(pinMAP, HIGH); //digitalWrite(pinO2, LOW); digitalWrite(pinTPS, LOW); #endif } /* This function retuns a pulsewidth time (in us) using a either Alpha-N or Speed Density algorithms, given the following: REQ_FUEL VE: Lookup from the main MAP vs RPM fuel table MAP: In KPa, read from the sensor GammaE: Sum of Enrichment factors (Cold start, acceleration). This is a multiplication factor (Eg to add 10%, this should be 110) injDT: Injector dead time. The time the injector take to open minus the time it takes to close (Both in uS) TPS: Throttle position (0% to 100%) This function is called by PW_SD and PW_AN for speed0density and pure Alpha-N calculations respectively. */ unsigned int PW(int REQ_FUEL, byte VE, byte MAP, int corrections, int injOpen) { //Standard float version of the calculation //return (REQ_FUEL * (float)(VE/100.0) * (float)(MAP/100.0) * (float)(TPS/100.0) * (float)(corrections/100.0) + injOpen); //Note: The MAP and TPS portions are currently disabled, we use VE and corrections only uint16_t iVE, iCorrections; uint16_t iMAP = 100; uint16_t iAFR = 147; //100% float free version, does sacrifice a little bit of accuracy, but not much. iVE = ((unsigned int)VE << 7) / 100; if ( configPage1.multiplyMAP == true ) { iMAP = ((unsigned int)MAP << 7) / currentStatus.baro; //Include multiply MAP (vs baro) if enabled } if ( (configPage1.includeAFR == true) && (configPage3.egoType == 2)) { iAFR = ((unsigned int)currentStatus.O2 << 7) / currentStatus.afrTarget; //Include AFR (vs target) if enabled } iCorrections = (corrections << 7) / 100; unsigned long intermediate = ((long)REQ_FUEL * (long)iVE) >> 7; //Need to use an intermediate value to avoid overflowing the long if ( configPage1.multiplyMAP == true ) { intermediate = (intermediate * (unsigned long)iMAP) >> 7; } if ( (configPage1.includeAFR == true) && (configPage3.egoType == 2) ) { intermediate = (intermediate * (unsigned long)iAFR) >> 7; //EGO type must be set to wideband for this to be used } intermediate = (intermediate * (unsigned long)iCorrections) >> 7; if (intermediate != 0) { //If intermeditate is not 0, we need to add the opening time (0 typically indicates that one of the full fuel cuts is active) intermediate += injOpen; //Add the injector opening time if ( intermediate > 65535) { intermediate = 65535; //Make sure this won't overflow when we convert to uInt. This means the maximum pulsewidth possible is 65.535mS } } return (unsigned int)(intermediate); } //Convenience functions for Speed Density and Alpha-N unsigned int PW_SD(int REQ_FUEL, byte VE, byte MAP, int corrections, int injOpen) { return PW(REQ_FUEL, VE, MAP, corrections, injOpen); //return PW(REQ_FUEL, VE, 100, corrections, injOpen); } unsigned int PW_AN(int REQ_FUEL, byte VE, byte TPS, int corrections, int injOpen) { return PW(REQ_FUEL, VE, currentStatus.MAP, corrections, injOpen); }