/* This file has a few functions that are helpful for testing such as creating dummy maps and faking interrupts */ #ifndef TESTING_H #define TESTING_H /* Aim is to create an 8x8 table that looks like the below: MAP ______________________________________________ |100|| 78 | 88 | 92 | 95 | 97 |101 |107 |110 | | 88|| 58 | 88 | 75 | 63 | 50 | 38 | 25 | 13 | | 75|| 45 | 88 | 75 | 63 | 50 | 38 | 25 | 13 | | 63|| 35 | 88 | 75 | 63 | 50 | 38 | 25 | 13 | | 50|| 28 | 88 | 75 | 63 | 50 | 38 | 25 | 13 | | 38|| 22 | 23 | 75 | 63 | 50 | 38 | 25 | 13 | | 25|| 17 | 21 | 75 | 63 | 50 | 38 | 25 | 13 | | 13|| 15 | 20 | 25 | 63 | 50 | 38 | 25 | 13 | | || 500|1500|2000|2500|3000|4000|5000|6000| RPM This is not really a realistic 8x8 VE vs RPM 2D map, but it's enough for testing Here is a run through of how the interpolation would flow: Pass in: x = 1000 y = 20 yMax = 13 yMin = 25 xMax = 1500 xMin = 500 A 17 B 21 C 15 D 20 p (1000 - 500) / (1500 - 500) = 1/2 = 0.5 q (20 - 13) / (25 - 13) = 7/12 = 0.583 m (1 - 0.5) * (1 - 0.583) = 0.2083 n 0.5 * (1 - 0.583) = 0.2083 o (1 - 0.5) * 0.583 = 0.29166 r (0.5 * 0.583) = 0.29166 VE = ( (17 * 0.2083) + (21 * 0.2083) + (15 * 0.9166) + (20 * 0.29166) ) = 18.125 */ void dummyFuelTable(struct table3D *myFuelTable) { //table myFuelTable; int tempXAxis[8] = {500,1500,2000,2500,3000,4000,5000,6000}; for (byte x = 0; x< myFuelTable->xSize; x++) { myFuelTable->axisX[x] = tempXAxis[x]; } //*myFuelTable->axisX = *tempXAxis; int tempYAxis[8] = {100,88,75,63,50,30,20,10}; for (byte x = 0; x< myFuelTable->ySize; x++) { myFuelTable->axisY[x] = tempYAxis[x]; } //*myFuelTable->axisY = *tempYAxis; //Go through the 8 rows and add the column values byte tempRow1[8] = {78,88,92,95,97,101,107,110}; byte tempRow2[8] = {58,88,75,63,50,38,25,13}; byte tempRow3[8] = {45,88,75,63,50,38,25,13}; byte tempRow4[8] = {35,88,75,63,50,38,25,13}; byte tempRow5[8] = {28,88,75,63,50,38,25,13}; byte tempRow6[8] = {22,23,75,63,50,38,25,13}; byte tempRow7[8] = {17,21,75,63,50,38,25,13}; byte tempRow8[8] = {15,20,25,63,50,38,25,13}; for (byte x = 0; x< myFuelTable->xSize; x++) { myFuelTable->values[0][x] = tempRow1[x]; } for (byte x = 0; x< myFuelTable->xSize; x++) { myFuelTable->values[1][x] = tempRow2[x]; } for (byte x = 0; x< myFuelTable->xSize; x++) { myFuelTable->values[2][x] = tempRow3[x]; } for (byte x = 0; x< myFuelTable->xSize; x++) { myFuelTable->values[3][x] = tempRow4[x]; } for (byte x = 0; x< myFuelTable->xSize; x++) { myFuelTable->values[4][x] = tempRow5[x]; } for (byte x = 0; x< myFuelTable->xSize; x++) { myFuelTable->values[5][x] = tempRow6[x]; } for (byte x = 0; x< myFuelTable->xSize; x++) { myFuelTable->values[6][x] = tempRow7[x]; } for (byte x = 0; x< myFuelTable->xSize; x++) { myFuelTable->values[7][x] = tempRow8[x]; } } /* Populates a table with some reasonably realistic ignition advance data */ void dummyIgnitionTable(struct table3D *mySparkTable) { int tempXAxis[8] = {500,1500,2000,2500,3000,4000,5000,6000}; for (byte x = 0; x< mySparkTable->xSize; x++) { mySparkTable->axisX[x] = tempXAxis[x]; } //*myFuelTable->axisX = *tempXAxis; int tempYAxis[8] = {100,88,75,63,50,30,20,10}; for (byte x = 0; x< mySparkTable->ySize; x++) { mySparkTable->axisY[x] = tempYAxis[x]; } //*myFuelTable->axisY = *tempYAxis; //Go through the 8 rows and add the column values byte tempRow1[8] = {10,15,20,26,35,40,43,44}; byte tempRow2[8] = {10,88,75,63,50,38,25,44}; byte tempRow3[8] = {12,88,75,63,50,38,25,40}; byte tempRow4[8] = {12,88,75,63,50,38,25,36}; byte tempRow5[8] = {28,88,75,63,50,38,25,13}; byte tempRow6[8] = {22,23,75,63,50,38,25,13}; byte tempRow7[8] = {17,21,75,63,50,38,25,13}; byte tempRow8[8] = {15,20,25,63,50,38,25,13}; for (byte x = 0; x< mySparkTable->xSize; x++) { mySparkTable->values[0][x] = tempRow1[x]; } for (byte x = 0; x< mySparkTable->xSize; x++) { mySparkTable->values[1][x] = tempRow2[x]; } for (byte x = 0; x< mySparkTable->xSize; x++) { mySparkTable->values[2][x] = tempRow3[x]; } for (byte x = 0; x< mySparkTable->xSize; x++) { mySparkTable->values[3][x] = tempRow4[x]; } for (byte x = 0; x< mySparkTable->xSize; x++) { mySparkTable->values[4][x] = tempRow5[x]; } for (byte x = 0; x< mySparkTable->xSize; x++) { mySparkTable->values[5][x] = tempRow6[x]; } for (byte x = 0; x< mySparkTable->xSize; x++) { mySparkTable->values[6][x] = tempRow7[x]; } for (byte x = 0; x< mySparkTable->xSize; x++) { mySparkTable->values[7][x] = tempRow8[x]; } } #endif // TESTING_H