158 lines
4.2 KiB
C
158 lines
4.2 KiB
C
#include <Arduino.h>
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const byte ms_version = 20;
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const byte data_structure_version = 1; //This identifies the data structure when reading / writing.
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const byte page_size = 125;
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//Handy bitsetting macros
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#define BIT_SET(a,b) ((a) |= (1<<(b)))
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#define BIT_CLEAR(a,b) ((a) &= ~(1<<(b)))
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//The status struct contains the current values for all 'live' variables
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//In current version this is 64 bytes
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struct statuses {
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volatile boolean hasSync;
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unsigned int RPM;
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byte MAP;
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byte TPS;
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byte VE;
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byte O2;
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byte advance;
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volatile byte squirt;
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byte engine;
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unsigned long PW; //In uS
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//Helpful bitwise operations:
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//Useful reference: http://playground.arduino.cc/Code/BitMath
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// y = (x >> n) & 1; // n=0..15. stores nth bit of x in y. y becomes 0 or 1.
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// x &= ~(1 << n); // forces nth bit of x to be 0. all other bits left alone.
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// x |= (1 << n); // forces nth bit of x to be 1. all other bits left alone.
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};
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//Page 1 of the config - See the ini file for further reference
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//This mostly covers off variables that are required for fuel
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struct config1 {
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/*
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byte engineCylinders; 1 // May support more than 1 cyl later. Always will assume 1 injector per cylinder.
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byte engineInjectorSize; 80 // In cc/min
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byte engineStoich; 14.7 // Stoichiometric ratio of fuel used
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byte engineStrokes; 4 //Can be 2 stroke or 4 stroke, any other value will cause problems
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byte engineDwell; 3000 //The spark dwell time in uS
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*/
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byte crankCold; //Cold cranking pulsewidth modifier. This is added to the fuel pulsewidth when cranking under a certain temp threshold (ms)
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byte crankHot; //Warm cranking pulsewidth modifier. This is added to the fuel pulsewidth when cranking (ms)
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byte asePct; //Afterstart enrichment (%)
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byte aseCount; //Afterstart enrichment cycles. This is the number of ignition cycles that the afterstart enrichment % lasts for
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byte wueBins[10]; //Warm up enrichment array (10 bytes)
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byte taeBins[4]; //TPS based acceleration enrichment bin 1 of 4 (ms)
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byte taeColdA;
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byte tpsThresh;
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byte taeTime;
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byte tdePct;
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byte egoTemp; //The temperature at which the EGO / O2 sensor values start being used (Degrees)
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byte egoCount;
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byte egoDelta;
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byte egoLimit;
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byte reqFuel;
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byte divider;
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byte alternate;
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byte injOpen;
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byte injOCfuel;
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byte injPwmP;
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byte injPwmT;
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byte battFac; //Whether to compensate pulsewidth for battery voltage (ms/v)
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int rpmk;
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//config1 in ini
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byte mapType : 2;
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byte strokes : 1;
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byte injType : 1;
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byte nCylinders : 4; //Number of cylinders
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//config2 in ini
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byte cltType : 2;
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byte matType : 2;
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byte nInjectors : 4; //Number of injectors
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//config3 in ini
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byte engineType : 1;
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byte egoType : 1;
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byte algorithm : 1; //"Speed Density", "Alpha-N"
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byte baroCorr : 1;
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byte primePulse;
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byte egoRPM;
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byte fastIdleT; //Fast idle temperature
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byte egoSwitch;
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byte taeColdM;
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byte unused1;
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byte unused2;
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byte unused3;
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byte unused4;
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byte unused5;
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byte unused6;
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};
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//Page 2 of the config - See the ini file for further reference
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//This mostly covers off variables that are required for ignition
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struct config2 {
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byte triggerAngle;
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byte FixAng;
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byte Trim;
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byte CrankAng;
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byte IgHold;
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byte Trig_plus : 2;
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byte TrigCrank : 1;
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byte IgInv : 1;
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byte oddfire : 4;
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byte IdleAdv;
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byte IdleAdvTPS;
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byte IdleAdvRPM;
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byte IdleAdvCLT;
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byte IdleDelayTime;
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byte StgCycles;
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byte dwellCont; //Fixed duty dwell control
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byte dwellCrank;
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byte dwellRun;
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byte triggerTeeth; //The full count of teeth on the trigger wheel if there were no gaps
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byte triggerMissingTeeth; //The size of the tooth gap (ie number of missing teeth)
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byte crankRPM; //RPM below which the engine is considered to be cranking
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byte floodClear; //TPS value that triggers flood clear mode (No fuel whilst cranking)
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byte unused3;
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byte unused4;
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byte unused5;
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byte unused6;
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byte unused7;
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byte unused8;
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byte unused9;
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byte unused10;
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byte unused11;
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byte unused12;
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byte unused13;
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byte unused14;
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byte unused15;
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byte unused16;
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byte unused17;
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byte unused18;
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byte unused19;
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byte unused20;
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byte unused21;
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byte unused22;
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byte unused23;
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byte unused24;
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byte unused25;
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byte unused26;
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byte unused27;
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byte unused28;
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byte unused29; //128
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};
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