Difference between revisions of "User Arduino code"
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Latest revision as of 13:02, 17 August 2016
Below is a user contribution to the arduino code - from this forum thread: https://torque-bhp.com/forums/?wpforumaction=viewtopic&t=7737.0
Paste the code into the Arduino IDE and then upload to your arduino when you've finished building!
#include <avr/pgmspace.h>
#include <SoftwareSerial.h>
#include <String.h>
// ******INPUTS******
int MAPsensor = A0; //inputpin for the MAP sensor
int TPSsensor = A1; //input pin for the TPS sensor
int AFRsensor = A2; //input pin for the AFR sensor
int RPMsensor = 21; //input pin for the RPM sensor. Pin 21 is tied to interrupt#2
int Temps = 0; //input pin for the temperature sensor(s)
// ******OUTPUTS******
int Injector = 2; //injector connected to digital pin 2
// ******VARIABLE DECLARATION******
volatile bool Running = 0; //is the motor running or not
volatile int FireInjector = 0; //set when the injector should be fired
volatile float RPMcount; //number of triggers on the RPM sensor
volatile float RPMValue = 2453; //calculated RPM from interrupt #2. Declared volatile so it is loaded from RAM
float OldRPMValue = 0; //keep track of what the previous rpm value was, for time rollover purposes
float MAPsensorValue = 0; //value coming from the MAP sensor
float TPSsensorValue = 0; //value coming from the TPS sensor
float AFRsensorValue = 0; //value coming from the AFR sensor
float RPMpercent = 0; //percent of 8000rpm
float MAPsensorpercent = 0; //percent output from the MAP sensor
float TPSsensorpercent = 0; //percent output from the TPS sensor
float AFRsensorpercent = 0; //percent output from the AFR sensor
float MaxPulsewidth = 0; //maximum anount of time for injector to be ON
float InjectorONtime = 0; //amount of time the injectors are commanded ON (msec)
float Toothcount = 1; //number of triggers per one flywheel revolution
float InjectorOndelay = 1.5; //how long it takes the injector to open(msec)
float InjectorOffdelay = 0.5; //how long it takes the injector to close(msec)
float CrankingPulsewidth =60.0; //how long to fire the injector during starting(msec)
float AFR = 0; //actual AFR reading from AFR display
float CubicInches = 30;
float SCFM = 0; //Standard Cubic Feet Per Minute Air Flow
float AFRRAW = 0;
float TimePerCycle = (60/RPMValue)*2;
float VolumetricEfficiency = 0.5; //Volumetric Eficiency of the motor
float RequiredCFMAir = 0; //Requird CFM of Air = SCFM * VolumetricEfficiency
float LbsAirMin = 0; //Pounds of Air Flow per Minute
float LbsFuelMin = 0; //Pounds of Fuel Required per Minute
float LbsAirCycle = 0; //Pounds of Air Flow per cycle
float LbsFuelCycle = 0; //Pounds of Fuel Required per cycle
float InjectorFlowRate = 51; //Pounds per Hours rating of the injector
int AFRdiff = 0; //voltage difference from target
int MAPLookup = 0; //which array element to use for MAP range
int TPSLookup = 0; //which array element to use for TPS range
int dTPSLookup = 0;
int RPMLookup = 0; //which array element to use for RPM range
int IATLookup = 0; //which array element to use for IAT range
int x = 0;
float TPSMapvalue = 0; //the value returned from the TPS fuel map
float MAPMapvalue = 0; //the value returned from the MAP fuel map
float AFRtarget = 14; //the value returned from the TPS fuel map
float LastTPS = 0;
float dTPSpercent = 0;
float dTPS = 0;
bool InjectionComplete = 1;
unsigned long timeold; //the last time RPM was calculated
const String ATE = "ATE"; //Echo off/on
const String ATI = "ATI"; //Version id
const String ATZ = "ATZ"; //Reset
const String ATS = "ATS"; //Set protocol X
const String ATH = "ATH"; //Headers off / on
const String ATL = "ATL"; //Linefeeds off/on
const String ATM = "ATM"; //Memory off/on
const String GETDEFINITIONS = "GETDEFINITIONS"; //Get sensor definitions
const String GETCONFIGURATION = "GETCONFIGURATION"; //Get config of app (hide car sensors, devices sensors, etc)
const String GETSENSORS = "G"; //Get sensor values, one shot.
const String SETSENSOR = "S"; //Set a sensor value
const String PROMPT = ">";
const String CANBUS = "6"; //canbus 500k 11 bit protocol id for elm.
const String ATDPN = "ATDPN";
const String ATDESC = "AT@1";
const String ATAT = "ATAT";
const String LF = "\n";
const String VERSION = "Torque Protocol Interface v0.0.1"; //Don't change this - it's used by Torque so it knows what interface it is connected to
const String VERSION_DESC = "Torque For Android Protocol Interface";
const String OK = "OK";
const String ANALOG = "a";
const String DIGITAL = "d";
const String IS_INPUT = "i";
const String IS_OUTPUT = "o";
String fromTorque = "";
int test=75;
/**
* Array of sensors we will advertise to Torque so it can automatically import them. Using strings
* Stucture is:
*
* Arduino Pin, Arduino pin type, Input/Ouput, Default value(if output), ShortName, Long name, units, minimum value, maximum value
*
* Caveats: Don't use a '>' in any of the names,
* Update 'sensorsSize' with the number of elements.
* Analog outputs are PWM on digital pins.
*
*/
const int SENSORSSIZE = 9 * 8; // each line is 9 attributes, and we have 8 lines.
const String sensors[SENSORSSIZE] = {
"1", ANALOG, IS_INPUT, "0", "Test1", "Arduino1", "Pot1", "0", "100",
"2", ANALOG, IS_INPUT, "512", "MAP", "Arduino2", "MAP", "0", "1023",
"3", ANALOG, IS_INPUT, "512", "TPS", "Arduino3", "TPS", "0", "1023",
"4", ANALOG, IS_INPUT, "1500", "RPM", "Arduino4", "RPM", "0", "8000",
"5", ANALOG, IS_INPUT, "14.7", "AFR", "Arduino5", "AFR", "8", "22",
"6", ANALOG, IS_INPUT, "50", "MAP%", "Arduino6", "MAP%", "0", "100",
"7", ANALOG, IS_INPUT, "50", "TPS%", "Arduino7", "TPS%", "0", "100",
"8", ANALOG, IS_INPUT, "50", "AFR%", "Arduino8", "AFR%", "0", "100"
};
/**
* Configuration directives for the app to hide various things. Comma separated. Remove to enable visibility in Torque
* - handy if your project isn't car related or you want to make sensor selections relatively easy.
*
* Supported types:
* NO_CAR_SENSORS - hide any car related sensors
* NO_DEVICE_SENSORS - hide any device (phone) sensors
*
*/
const String CONFIGURATION = "NO_CAR_SENSORS,NO_DEVICE_SENSORS";
// Setup bluetooth module on pins 10 and 11 on Arduino Mega 2560(you can't use these digial pins in the sensor list or it'll break comms)
SoftwareSerial mySerial(10,11); // Most other boards can use pins 2 and 3
//*************Correction Tables********************
const float VETable [20][20] PROGMEM ={
/* 5% */ {0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50},
/* 10% */ {0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50},
/* 15% */ {0.43, 0.43, 0.43, 0.43, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50},
/* 20% */ {0.43, 0.43, 0.43, 0.40, 0.40, 0.40, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50},
/* 25% */ {0.45, 0.45, 0.40, 0.40, 0.40, 0.45, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50},
/* 30% */ {0.50, 0.50, 0.40, 0.40, 0.45, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50},
/* 35% */ {0.50, 0.50, 0.40, 0.45, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50},
/* 40% */ {0.50, 0.50, 0.45, 0.45, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50},
/* 45% */ {0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50},
/* TPS 50% */ {0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50},
/* Throttle 55% */ {0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50},
/* Position 60% */ {0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50},
/* 65% */ {0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50},
/* 70% */ {0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50},
/* 75% */ {0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50},
/* 80% */ {0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50},
/* 85% */ {0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50},
/* 90% */ {0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50},
/* 95% */ {0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50},
/* 100% */ {0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50}, };
// ===========================================================================================================================================
// 4 8 1 1 2 2 2 3 3 4 4 4 5 5 6 6 6 7 7 8
// 0 0 2 6 0 4 8 2 6 0 4 8 2 6 0 4 8 2 6 0
// 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
// 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
/* RPM */
const float dTPSTable [20][20] PROGMEM ={
/* 5% */ {1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0,},
/* 10% */ {1.0, 1.0, 20.0, 20.0, 20.0, 20.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0,},
/* 15% */ {1.0, 1.0, 20.0, 20.0, 20.0, 20.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0,},
/* 20% */ {1.0, 1.0, 20.0, 20.0, 20.0, 20.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0,},
/* 25% */ {1.0, 1.0, 20.0, 20.0, 20.0, 20.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0,},
/* 30% */ {1.0, 1.0, 20.0, 20.0, 20.0, 20.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0,},
/* 35% */ {1.0, 1.0, 20.0, 20.0, 20.0, 20.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0,},
/* 40% */ {1.0, 1.0, 20.0, 20.0, 20.0, 20.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0,},
/* dTPS 45% */ {1.0, 1.0, 20.0, 20.0, 20.0, 20.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0,},
/* Delta 50% */ {1.0, 1.0, 20.0, 20.0, 20.0, 20.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0,},
/* Throttle 55% */ {1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0,},
/* Position 60% */ {1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0,},
/* 65% */ {1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0,},
/* 70% */ {1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0,},
/* 75% */ {1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0,},
/* 80% */ {1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0,},
/* 85% */ {1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0,},
/* 90% */ {1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0,},
/* 95% */ {1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0,},
/* 100% */ {1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0,}, };
// ========================================================================================================================
// 4 8 1 1 2 2 2 3 3 4 4 4 5 5 6 6 6 7 7 8
// 0 0 2 6 0 4 8 2 6 0 4 8 2 6 0 4 8 2 6 0
// 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
// 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
/* RPM */
const float MAPTable [20][20] PROGMEM ={
/* 5% */ {1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0},
/* 10% */ {1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0},
/* 15% */ {1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0},
/* 20% */ {1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0},
/* 25% */ {1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0},
/* 30% */ {1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0},
/* 35% */ {1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0},
/* 40% */ {1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0},
/* 45% */ {1.0, 1.0, 8.0, 7.0, 6.0, 5.0, 4.0, 3.0, 2.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0},
/* MAP 50% */ {1.0, 1.0, 8.0, 7.0, 6.0, 5.0, 4.0, 3.0, 2.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0},
/* Percent 55% */ {1.0, 1.0, 8.0, 7.0, 6.0, 5.0, 4.0, 3.0, 2.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0},
/* Feedback 60% */ {1.0, 1.0, 8.0, 7.0, 6.0, 5.0, 4.0, 3.0, 2.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0},
/* 65% */ {1.0, 1.0, 8.0, 7.0, 6.0, 5.0, 4.0, 3.0, 2.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0},
/* 70% */ {1.0, 1.0, 8.0, 7.0, 6.0, 5.0, 4.0, 3.0, 2.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0},
/* 75% */ {1.0, 1.0, 8.0, 7.0, 6.0, 5.0, 4.0, 3.0, 2.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0},
/* 80% */ {1.0, 1.0, 8.0, 7.0, 6.0, 5.0, 4.0, 3.0, 2.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0},
/* 85% */ {1.0, 1.0, 8.0, 7.0, 6.0, 5.0, 4.0, 3.0, 2.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0},
/* 90% */ {1.0, 1.0, 8.0, 7.0, 6.0, 5.0, 4.0, 3.0, 2.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0},
/* 95% */ {1.0, 1.0, 8.0, 7.0, 6.0, 5.0, 4.0, 3.0, 2.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0},
/* 100% */ {1.0, 1.0, 8.0, 7.0, 6.0, 5.0, 4.0, 3.0, 2.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0}, };
// ========================================================================================================================
// 4 8 1 1 2 2 2 3 3 4 4 4 5 5 6 6 6 7 7 8
// 0 0 2 6 0 4 8 2 6 0 4 8 2 6 0 4 8 2 6 0
// 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
// 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
/* RPM */
const float AFRTable [20][20] PROGMEM ={
/* 5% */ {14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0,},
/* 10% */ {14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0,},
/* 15% */ {14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0,},
/* 20% */ {14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0,},
/* 25% */ {14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0,},
/* 30% */ {14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0,},
/* 35% */ {14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0,},
/* 40% */ {14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0,},
/* 45% */ {14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0,},
/* MAP 50% */ {14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0,},
/* Percent 55% */ {14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0,},
/* Feedback 60% */ {14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0,},
/* 65% */ {14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0,},
/* 70% */ {14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0,},
/* 75% */ {14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0,},
/* 80% */ {14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0,},
/* 85% */ {14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0,},
/* 90% */ {14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0,},
/* 95% */ {14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0,},
/* 100% */ {14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0, 14.0,}, };
// =============================================================================================================================================
// 4 8 1 1 2 2 2 3 3 4 4 4 5 5 6 6 6 7 7 8
// 0 0 2 6 0 4 8 2 6 0 4 8 2 6 0 4 8 2 6 0
// 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
// 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
/* RPM */
const float IATTable [20] PROGMEM ={0.2, 0.2, 0.2, 0.2, 0.2, 0.2, 0.2, 0.2, 0.2, 0.2, 0.2, 0.2, 0.2, 0.2, 0.2, 0.2, 0.2, 0.2, 0.2, 0.2};
// ========================================================================================================================
// 50° 60° 70° 80° 90° 100° 110° 120° 130° 140° 150° 160° 170° 180° 190° 200° 210° 220° 230° 240°
/* IAT */
// ******SETUP - RUNS ONE TIME ON POWERUP******
void setup() {
Serial.begin(115200);
pinMode(RPMsensor, INPUT);
pinMode(Temps, INPUT);
pinMode(Injector, OUTPUT);
attachInterrupt(2, RPMTRIGGER, RISING); //call interrupt #2 when the tach input goes high
// Init the pins
initSensors();
Serial.begin(9600); // the GPRS baud rate
delay(600);
mySerial.begin(9600);
}
// ******MAIN PROGRAM LOOP - RUNS CONTINUOUSLY******
void loop() {
//This is used for testing the Torque App
if (test > 100){
test = 0;
delay(300);}
delay(25);
if (test <= 100){
test=test+1;}
//Grab data from the bluetooth module, parse it.
if (mySerial.available()) {
char c = mySerial.read();
if ((c == '\n' || c == '\r') && fromTorque.length() > 0) {
fromTorque.toUpperCase();
processCommand(fromTorque);
fromTorque = "";
} else if (c != ' ' && c != '\n' && c !='\r') {
//Ignore spaces.
fromTorque += c;
}
}
//read the value from the sensors:
MAPsensorValue = analogRead(MAPsensor);
TPSsensorValue = analogRead(TPSsensor);
AFRsensorValue = analogRead(AFRsensor);
MAPsensorpercent = (MAPsensorValue/1023)*100; // percent output from the MAP sensor
TPSsensorpercent = ((TPSsensorValue/1023)*100); // percent output from the TPS sensor
AFRsensorpercent = (AFRsensorValue/1023)*100; // percent output from the AFR sensor
AFRRAW = map(AFRsensorValue, 0, 1023, 735, 2239); // actual AFR reading from AFR display
AFR = AFRRAW/100;
RPMpercent = (RPMValue/8000)*100; // percent of 8000rpm. A number that can't be reached.
MaxPulsewidth = ((((60/RPMValue)*2)*1000)*0.85); // maximum allowable pulse width(msec)
SCFM = (CubicInches * RPMValue) / 3456; //Standard Calculation for Engine CFM
RequiredCFMAir = SCFM * VolumetricEfficiency; //Corrected Calculation for Engine CFM x VE
LbsAirMin = RequiredCFMAir * 0.0765; //Pounds of Air Required per Minute
LbsFuelMin = LbsAirMin / AFRtarget ; //Pounds of Fuel Required per Minute
LbsFuelCycle = (LbsFuelMin * (60 / RPMValue) * 2); //Pounds of Fuel Required per cycle
//Acceleration Enrichment
if (TPSsensorpercent > LastTPS)
dTPSpercent = (TPSsensorpercent - LastTPS);
if (InjectionComplete == 1){
x = x + 1;
if (x >= 1000){
x = 0;
LastTPS = TPSsensorpercent;
InjectionComplete = 0;}}
//This determines which TABLE value to use for dTPS
dTPSLookup = (int)(dTPSpercent / 5);
if (dTPSLookup > 19)
dTPSLookup = 19;
//This determines which TABLE value to use for RPM
RPMLookup = (int)(RPMpercent / 5);
if (RPMLookup > 19)
RPMLookup = 19;
//This determines which TABLE value to use for TPS
TPSLookup = (int)(TPSsensorpercent / 5);
if (TPSLookup > 19)
TPSLookup = 19;
//This determines which TABLE value to use for MAP
MAPLookup = (int)(MAPsensorpercent / 5);
if (MAPLookup > 19)
MAPLookup = 19;
//calculate the injector ON time
//sense the % throttle position because it is what the drivers wants to see happen.
//calculate % injector time based on that
//lookup in VEtable for correction for current VE range at current RPM
//lookup in MAPtable for correction for current MAP range at current RPM
//then adjust for AFRsensorValue - TBD
//multiply by MaxPulsewidth to get a percentage of MaxPulsewidth
//limit InjectorONtime to MaxPulsewidth
//factor in the InjectorOndelay and InjectorOffdelay
//the arrays are stored in FLASH memory
VolumetricEfficiency = pgm_read_float(&VETable[TPSLookup][RPMLookup]);
TPSMapvalue = pgm_read_float(&VETable[TPSLookup][RPMLookup]);
MAPMapvalue = pgm_read_float(&MAPTable[MAPLookup][RPMLookup]);
AFRtarget = pgm_read_float(&AFRTable[MAPLookup][RPMLookup]);
dTPS = pgm_read_float(&dTPSTable[dTPSLookup][RPMLookup]);
InjectorONtime = (LbsFuelMin / (InjectorFlowRate / 60)) * (((60/RPMValue)*2)*1000); //Injector ON Time
InjectorONtime = InjectorONtime * MAPMapvalue; //calculate correction for MAP vs RPM
InjectorONtime = InjectorONtime * dTPS; //calculate correction for dTPS vs RPM
if (InjectorONtime > MaxPulsewidth)
InjectorONtime = MaxPulsewidth; //limit the InjectorONtime to MaxPulsewidth
//is the engine running or being started?
if (RPMValue > 50)
(Running = 1);
else
(Running = 0);
//this is for when the engine is cranking during start
if (RPMValue < 550)
(InjectorONtime = CrankingPulsewidth);
if (RPMValue < 50)
(InjectorONtime = 0);
if (Running == 1) {
if (FireInjector >= 1){
if (InjectorONtime > 0) {
digitalWrite(Injector, HIGH);
if (InjectorONtime < 15) {
delayMicroseconds(InjectorONtime * 1000); }
else {
delay(InjectorONtime);
}
FireInjector = 0;
InjectionComplete = 1; }
}
}
// wait to finish injection period
digitalWrite(Injector, LOW);
}
//Parse the commands sent from Torque
void processCommand(String command) {
// Debug - see what torque is sending on your serial monitor
Serial.println(command);
// Simple command processing from the app to the arduino..
if (command.equals(ATZ)) {
initSensors(); // reset the pins
mySerial.print(VERSION);
mySerial.print(LF);
mySerial.print(OK);
} else if (command.startsWith(ATE)) {
mySerial.print(OK);
} else if(command.startsWith(ATI)) {
mySerial.print(VERSION);
mySerial.print(LF);
mySerial.print(OK);
} else if (command.startsWith(ATDESC)) {
mySerial.print(VERSION_DESC);
mySerial.print(LF);
mySerial.print(OK);
} else if (command.startsWith(ATL)) {
mySerial.print(OK);
} else if (command.startsWith(ATAT)) {
mySerial.print(OK);
} else if (command.startsWith(ATH)) {
mySerial.print(OK);
} else if (command.startsWith(ATM)) {
mySerial.print(OK);
} else if (command.startsWith(ATS)) {
// Set protocol
mySerial.print(OK);
} else if (command.startsWith(ATDPN)) {
mySerial.print(CANBUS);
} else if (command.startsWith(GETDEFINITIONS)) {
showSensorDefinitions();
} else if (command.startsWith(SETSENSOR)) {
setSensorValue(command);
} else if (command.startsWith(GETSENSORS)) {
getSensorValues();
} else if (command.startsWith(GETCONFIGURATION)) {
getConfiguration();
}
mySerial.print(LF);
mySerial.print(PROMPT);
}
//List all the sensors to the app
void showSensorDefinitions() {
int id = 0;
for (int i = 0; i < SENSORSSIZE/9; i++) {
for (int j = 0; j < 9; j++) {
id = (i*9)+j;
mySerial.print(sensors[id]);
if (id+1 < SENSORSSIZE) {
mySerial.print(',');
}
}
mySerial.print(LF);
}
}
//Dump sensor information for input sensors.
//Format to Torque is id:type:value
void getSensorValues() {
for (int i = 0; i < SENSORSSIZE/9; i++) {
int group = i * 9;
int id = sensors[group].toInt();
String type = sensors[group+1];
boolean isOutput = sensors[group+2].equals(IS_OUTPUT);
if (!isOutput) {
if (id == 1){
mySerial.print(id);
mySerial.print(":");
mySerial.print(type);
mySerial.print(":");
if (type.equals(ANALOG)) {
mySerial.print(test);}
else if (type.equals(DIGITAL)) {
mySerial.print(digitalRead(id));}
}
}
if (!isOutput) {
if (id == 2){
mySerial.print(id);
mySerial.print(":");
mySerial.print(type);
mySerial.print(":");
if (type.equals(ANALOG)) {
mySerial.print((MAPsensorValue));}
else if (type.equals(DIGITAL)) {
mySerial.print(digitalRead(id));}
}
}
if (!isOutput) {
if (id == 3){
mySerial.print(id);
mySerial.print(":");
mySerial.print(type);
mySerial.print(":");
if (type.equals(ANALOG)){
mySerial.print(TPSsensorValue);}
else if (type.equals(DIGITAL)) {
mySerial.print(digitalRead(id));}
}
}
if (!isOutput) {
if (id == 4){
mySerial.print(id);
mySerial.print(":");
mySerial.print(type);
mySerial.print(":");
if (type.equals(ANALOG)){
mySerial.print(RPMValue);}
else if (type.equals(DIGITAL)) {
mySerial.print(digitalRead(id));}
}
}
if (!isOutput) {
if (id == 5){
mySerial.print(id);
mySerial.print(":");
mySerial.print(type);
mySerial.print(":");
if (type.equals(ANALOG)){
mySerial.print(AFR);}
else if (type.equals(DIGITAL)) {
mySerial.print(digitalRead(id));}
}
}
if (!isOutput) {
if (id == 6){
mySerial.print(id);
mySerial.print(":");
mySerial.print(type);
mySerial.print(":");
if (type.equals(ANALOG)){
mySerial.print(MAPsensorpercent);}
else if (type.equals(DIGITAL)) {
mySerial.print(digitalRead(id));}
}
}
if (!isOutput) {
if (id == 7){
mySerial.print(id);
mySerial.print(":");
mySerial.print(type);
mySerial.print(":");
if (type.equals(ANALOG)){
mySerial.print(TPSsensorpercent);}
else if (type.equals(DIGITAL)) {
mySerial.print(digitalRead(id));}
}
}
if (!isOutput) {
if (id == 8){
mySerial.print(id);
mySerial.print(":");
mySerial.print(type);
mySerial.print(":");
if (type.equals(ANALOG)){
mySerial.print(AFRsensorpercent);}
else if (type.equals(DIGITAL)) {
mySerial.print(digitalRead(id));}
}
}
mySerial.print('\n');
}
}
//Sets a sensors value
void setSensorValue(String command) {
int index = command.indexOf(":");
int id = command.substring(1,index).toInt();
int value = command.substring(index+1, command.length()).toInt();
for (int i = 0; i < SENSORSSIZE/9; i++) {
int group = i * 9;
int sid = sensors[group].toInt();
boolean isOutput = sensors[group+2].equals(IS_OUTPUT);
if (!isOutput) {
if (sid == id) {
String type = sensors[group+1];
if (type.equals(ANALOG)) {
analogWrite(sid, constrain(value,0,255));
} else if (type.equals(DIGITAL)) {
digitalWrite(sid, value > 0 ? HIGH: LOW);
}
break;
}
}
}
}
//Init the sensor definitions (input/output, default output states, etc)
void initSensors() {
for (int i = 0; i < SENSORSSIZE/9; i++) {
int group = i * 9;
int id = sensors[group].toInt();
String type = sensors[group+1];
boolean isOutput = sensors[group+2].equals(IS_OUTPUT);
int defaultValue = sensors[group+3].toInt();
if (isOutput) {
if (type.equals(ANALOG)) {
pinMode(id, OUTPUT);
analogWrite(id, constrain(defaultValue, 0, 255));
} else if (type.equals(DIGITAL)) {
pinMode(id, OUTPUT);
digitalWrite(id, defaultValue > 0 ? HIGH : LOW);
}
}
}
}
void getConfiguration() {
mySerial.print(CONFIGURATION);
}
// ******INTERRUPT #2 - GETS CALLED WHEN RPM SENSOR IS TRIGGERED******
void RPMTRIGGER() {
RPMcount = RPMcount + 1; //Increment RPMcount every time the sensor triggers. Return the new value
FireInjector = FireInjector + 1; //set when the injector should be fired(every other cycle)
if (RPMcount >= Toothcount) {
if ((micros() - timeold) < 0) {
RPMValue = OldRPMValue; } //this handles the rollover of the microsecond clock
else {
RPMValue = (60000000/(micros() - timeold)*RPMcount)/Toothcount; }
timeold = micros(); //store the time that the RPM sensor was triggered
RPMcount = 0; //reset the RPMcount to zero
OldRPMValue = RPMValue;
}
}
