222 lines
9.2 KiB
C++
222 lines
9.2 KiB
C++
#include "globals.h"
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#include "secondaryTables.h"
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#include "corrections.h"
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void calculateSecondaryFuel(void)
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{
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//If the secondary fuel table is in use, also get the VE value from there
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BIT_CLEAR(currentStatus.status3, BIT_STATUS3_FUEL2_ACTIVE); //Clear the bit indicating that the 2nd fuel table is in use.
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if(configPage10.fuel2Mode > 0)
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{
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if(configPage10.fuel2Mode == FUEL2_MODE_MULTIPLY)
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{
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currentStatus.VE2 = getVE2();
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//Fuel 2 table is treated as a % value. Table 1 and 2 are multiplied together and divided by 100
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uint16_t combinedVE = ((uint16_t)currentStatus.VE1 * (uint16_t)currentStatus.VE2) / 100;
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if(combinedVE <= 255) { currentStatus.VE = combinedVE; }
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else { currentStatus.VE = 255; }
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}
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else if(configPage10.fuel2Mode == FUEL2_MODE_ADD)
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{
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currentStatus.VE2 = getVE2();
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//Fuel tables are added together, but a check is made to make sure this won't overflow the 8-bit VE value
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uint16_t combinedVE = (uint16_t)currentStatus.VE1 + (uint16_t)currentStatus.VE2;
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if(combinedVE <= 255) { currentStatus.VE = combinedVE; }
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else { currentStatus.VE = 255; }
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}
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else if(configPage10.fuel2Mode == FUEL2_MODE_CONDITIONAL_SWITCH )
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{
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if(configPage10.fuel2SwitchVariable == FUEL2_CONDITION_RPM)
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{
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if(currentStatus.RPM > configPage10.fuel2SwitchValue)
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{
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BIT_SET(currentStatus.status3, BIT_STATUS3_FUEL2_ACTIVE); //Set the bit indicating that the 2nd fuel table is in use.
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currentStatus.VE2 = getVE2();
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currentStatus.VE = currentStatus.VE2;
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}
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}
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else if(configPage10.fuel2SwitchVariable == FUEL2_CONDITION_MAP)
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{
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if(currentStatus.MAP > configPage10.fuel2SwitchValue)
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{
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BIT_SET(currentStatus.status3, BIT_STATUS3_FUEL2_ACTIVE); //Set the bit indicating that the 2nd fuel table is in use.
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currentStatus.VE2 = getVE2();
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currentStatus.VE = currentStatus.VE2;
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}
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}
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else if(configPage10.fuel2SwitchVariable == FUEL2_CONDITION_TPS)
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{
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if(currentStatus.TPS > configPage10.fuel2SwitchValue)
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{
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BIT_SET(currentStatus.status3, BIT_STATUS3_FUEL2_ACTIVE); //Set the bit indicating that the 2nd fuel table is in use.
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currentStatus.VE2 = getVE2();
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currentStatus.VE = currentStatus.VE2;
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}
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}
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else if(configPage10.fuel2SwitchVariable == FUEL2_CONDITION_ETH)
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{
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if(currentStatus.ethanolPct > configPage10.fuel2SwitchValue)
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{
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BIT_SET(currentStatus.status3, BIT_STATUS3_FUEL2_ACTIVE); //Set the bit indicating that the 2nd fuel table is in use.
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currentStatus.VE2 = getVE2();
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currentStatus.VE = currentStatus.VE2;
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}
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}
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}
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else if(configPage10.fuel2Mode == FUEL2_MODE_INPUT_SWITCH)
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{
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if(digitalRead(pinFuel2Input) == configPage10.fuel2InputPolarity)
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{
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BIT_SET(currentStatus.status3, BIT_STATUS3_FUEL2_ACTIVE); //Set the bit indicating that the 2nd fuel table is in use.
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currentStatus.VE2 = getVE2();
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currentStatus.VE = currentStatus.VE2;
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}
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}
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}
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}
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void calculateSecondarySpark(void)
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{
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//Same as above but for the secondary ignition table
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BIT_CLEAR(currentStatus.spark2, BIT_SPARK2_SPARK2_ACTIVE); //Clear the bit indicating that the 2nd spark table is in use.
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if(configPage10.spark2Mode > 0)
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{
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if(configPage10.spark2Mode == SPARK2_MODE_MULTIPLY)
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{
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BIT_SET(currentStatus.spark2, BIT_SPARK2_SPARK2_ACTIVE);
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currentStatus.advance2 = getAdvance2();
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//make sure we don't have a negative value in the multiplier table (sharing a signed 8 bit table)
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if(currentStatus.advance2 < 0) { currentStatus.advance2 = 0; }
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//Spark 2 table is treated as a % value. Table 1 and 2 are multiplied together and divided by 100
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int16_t combinedAdvance = ((int16_t)currentStatus.advance1 * (int16_t)currentStatus.advance2) / 100;
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//make sure we don't overflow and accidentally set negative timing, currentStatus.advance can only hold a signed 8 bit value
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if(combinedAdvance <= 127) { currentStatus.advance = combinedAdvance; }
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else { currentStatus.advance = 127; }
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}
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else if(configPage10.spark2Mode == SPARK2_MODE_ADD)
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{
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BIT_SET(currentStatus.spark2, BIT_SPARK2_SPARK2_ACTIVE); //Set the bit indicating that the 2nd spark table is in use.
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currentStatus.advance2 = getAdvance2();
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//Spark tables are added together, but a check is made to make sure this won't overflow the 8-bit VE value
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int16_t combinedAdvance = (int16_t)currentStatus.advance1 + (int16_t)currentStatus.advance2;
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//make sure we don't overflow and accidentally set negative timing, currentStatus.advance can only hold a signed 8 bit value
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if(combinedAdvance <= 127) { currentStatus.advance = combinedAdvance; }
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else { currentStatus.advance = 127; }
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}
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else if(configPage10.spark2Mode == SPARK2_MODE_CONDITIONAL_SWITCH )
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{
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if(configPage10.spark2SwitchVariable == SPARK2_CONDITION_RPM)
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{
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if(currentStatus.RPM > configPage10.spark2SwitchValue)
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{
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BIT_SET(currentStatus.spark2, BIT_SPARK2_SPARK2_ACTIVE); //Set the bit indicating that the 2nd spark table is in use.
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currentStatus.advance2 = getAdvance2();
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currentStatus.advance = currentStatus.advance2;
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}
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}
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else if(configPage10.spark2SwitchVariable == SPARK2_CONDITION_MAP)
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{
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if(currentStatus.MAP > configPage10.spark2SwitchValue)
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{
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BIT_SET(currentStatus.spark2, BIT_SPARK2_SPARK2_ACTIVE); //Set the bit indicating that the 2nd spark table is in use.
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currentStatus.advance2 = getAdvance2();
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currentStatus.advance = currentStatus.advance2;
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}
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}
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else if(configPage10.spark2SwitchVariable == SPARK2_CONDITION_TPS)
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{
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if(currentStatus.TPS > configPage10.spark2SwitchValue)
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{
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BIT_SET(currentStatus.spark2, BIT_SPARK2_SPARK2_ACTIVE); //Set the bit indicating that the 2nd spark table is in use.
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currentStatus.advance2 = getAdvance2();
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currentStatus.advance = currentStatus.advance2;
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}
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}
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else if(configPage10.spark2SwitchVariable == SPARK2_CONDITION_ETH)
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{
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if(currentStatus.ethanolPct > configPage10.spark2SwitchValue)
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{
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BIT_SET(currentStatus.spark2, BIT_SPARK2_SPARK2_ACTIVE); //Set the bit indicating that the 2nd spark table is in use.
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currentStatus.advance2 = getAdvance2();
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currentStatus.advance = currentStatus.advance2;
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}
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}
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}
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else if(configPage10.spark2Mode == SPARK2_MODE_INPUT_SWITCH)
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{
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if(digitalRead(pinSpark2Input) == configPage10.spark2InputPolarity)
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{
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BIT_SET(currentStatus.spark2, BIT_SPARK2_SPARK2_ACTIVE); //Set the bit indicating that the 2nd spark table is in use.
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currentStatus.advance2 = getAdvance2();
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currentStatus.advance = currentStatus.advance2;
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}
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}
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//Apply the fixed timing correction manually. This has to be done again here if any of the above conditions are met to prevent any of the seconadary calculations applying instead of fixec timing
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currentStatus.advance = correctionFixedTiming(currentStatus.advance);
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currentStatus.advance = correctionCrankingFixedTiming(currentStatus.advance); //This overrides the regular fixed timing, must come last
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}
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}
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/**
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* @brief Looks up and returns the VE value from the secondary fuel table
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*
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* This performs largely the same operations as getVE() however the lookup is of the secondary fuel table and uses the secondary load source
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* @return byte
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*/
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byte getVE2(void)
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{
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byte tempVE = 100;
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if( configPage10.fuel2Algorithm == LOAD_SOURCE_MAP)
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{
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//Speed Density
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currentStatus.fuelLoad2 = currentStatus.MAP;
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}
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else if (configPage10.fuel2Algorithm == LOAD_SOURCE_TPS)
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{
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//Alpha-N
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currentStatus.fuelLoad2 = currentStatus.TPS * 2;
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}
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else if (configPage10.fuel2Algorithm == LOAD_SOURCE_IMAPEMAP)
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{
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//IMAP / EMAP
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currentStatus.fuelLoad2 = (currentStatus.MAP * 100) / currentStatus.EMAP;
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}
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else { currentStatus.fuelLoad2 = currentStatus.MAP; } //Fallback position
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tempVE = get3DTableValue(&fuelTable2, currentStatus.fuelLoad2, currentStatus.RPM); //Perform lookup into fuel map for RPM vs MAP value
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return tempVE;
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}
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/**
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* @brief Performs a lookup of the second ignition advance table. The values used to look this up will be RPM and whatever load source the user has configured
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*
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* @return byte The current target advance value in degrees
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*/
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byte getAdvance2(void)
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{
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byte tempAdvance = 0;
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if (configPage10.spark2Algorithm == LOAD_SOURCE_MAP) //Check which fuelling algorithm is being used
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{
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//Speed Density
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currentStatus.ignLoad2 = currentStatus.MAP;
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}
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else if(configPage10.spark2Algorithm == LOAD_SOURCE_TPS)
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{
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//Alpha-N
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currentStatus.ignLoad2 = currentStatus.TPS * 2;
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}
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else if (configPage10.spark2Algorithm == LOAD_SOURCE_IMAPEMAP)
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{
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//IMAP / EMAP
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currentStatus.ignLoad2 = (currentStatus.MAP * 100) / currentStatus.EMAP;
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}
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else { currentStatus.ignLoad2 = currentStatus.MAP; }
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tempAdvance = get3DTableValue(&ignitionTable2, currentStatus.ignLoad2, currentStatus.RPM) - OFFSET_IGNITION; //As above, but for ignition advance
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tempAdvance = correctionsIgn(tempAdvance);
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return tempAdvance;
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}
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