WebSVN – DashDisplay – Blame – /trunk/plx_lib/plx.c

Rev	Author	Line No.	Line
2	mjames	1	#include "plx.h"
		2
		3	double ConveriMFDRaw2Data(int sensor, int units, int raw) {
		4	double data = raw; // default assignment
		5	switch (sensor) {
		6	case PLX_AFR: //Wideband Air/Fuel
		7	switch (units) {
		8	case 0: //Lambda
		9	data = (raw / 3.75 + 68) / 100;
		10	break;
		11	case 1: //Gasoline 14.7
		12	data = (raw / 2.55 + 100) / 10;
		13	break;
		14	case 2: //Diesel 14.6
		15	data = (raw / 2.58 + 100) / 10;
		16	break;
		17	case 3: //Methanol 6.4
		18	data = (raw / 5.856 + 43.5) / 10;
		19	break;
		20	case 4: //Ethanol 9.0
		21	data = (raw / 4.167 + 61.7) / 10;
		22	break;
		23	case 5: //LPG 15.5
		24	data = (raw / 2.417 + 105.6) / 10;
		25	break;
		26	case 6: //CNG 17.2
		27	data = (raw / 2.18 + 117) / 10;
		28	break;
		29	}
		30	break;
15	mjames	31
		32	case PLX_X_CHT: // CHT extended
		33	case PLX_AIT: //AIT
		34	case PLX_EGT: //EGT
2	mjames	35	switch (units) {
		36	case 0: //Degrees Celsius
		37	data = raw;
		38	break;
		39	case 1: //Degrees Fahrenheit
		40	data = (raw / .555 + 32);
		41	break;
		42	}
		43	break;
		44
		45	case PLX_FluidTemp: //Fluid Temp
		46	switch (units) {
		47	case 0: //Degrees Celsius Water
		48	case 2: //Degrees Celsius Oil
		49	data = raw;
		50	break;
		51	case 1: //Degrees Fahrenheit Water
		52	case 3: //Degrees Fahrenheit Oil
		53	data = (raw / .555 + 32);
		54	break;
		55	}
		56	break;
		57
		58	case PLX_Vac: //Vac
		59	switch (units) {
		60	case 0: //in/Hg (inch Mercury)
		61	data = -(raw / 11.39 - 29.93);
		62	break;
		63	case 1: //mm/Hg (millimeters Mercury)
		64	data = -(raw * 2.23 + 760.4);
		65	break;
		66	}
		67	break;
		68
		69	case PLX_Boost: //Boost
		70	switch (units) {
		71	case 0: //0-30 PSI
		72	data = raw / 22.73;
		73	break;
		74	case 1: //0-2 kg/cm^2
		75	data = raw / 329.47;
		76	break;
		77	case 2: //0-15 PSI
		78	data = raw / 22.73;
		79	break;
		80	case 3: //0-1 kg/cm^2
		81	data = raw / 329.47;
		82	break;
		83	case 4: //0-60 PSI
		84	data = raw / 22.73;
		85	break;
		86	case 5: //0-4 kg/cm^2
		87	data = raw / 329.47;
		88	break;
		89	}
		90	break;
		91
		92	case PLX_RPM: //RPM
		93	data = raw * 19.55; //RPM
		94	break;
		95	case PLX_Speed: //Speed
		96	switch (units) {
		97	case 0: //MPH
		98	data = raw / 6.39;
		99	break;
		100	case 1: //KMH
		101	data = raw / 3.97;
		102	break;
		103	}
		104	break;
		105	case PLX_TPS: //TPS
		106	data = raw; //Throttle Position %
		107	break;
		108	case PLX_Load: //Engine Load
		109	data = raw; //Engine Load %
		110	break;
		111	case PLX_FluidPressure: //Fluid Pressure
		112	switch (units) {
		113	case 0: //PSI Fuel
		114	case 3: //PSI Oil
		115	data = raw / 5.115;
		116	break;
		117	case 1: //kg/cm^2 Fuel
		118	case 4: //kg/cm^2 Oil
		119	data = raw / 72.73;
		120	break;
		121	case 2: //Bar Fuel
		122	case 5: //Bar Oil
		123	data = raw / 74.22;
		124	break;
		125	}
		126	break;
		127	case PLX_Timing: //Engine timing
		128	data = raw - 64; //Degree Timing
		129	break;
		130	case PLX_MAP: //MAP
		131	switch (units) {
		132	case 0: //kPa
		133	data = raw;
		134	break;
		135	case 1: //inHg
		136	data = raw / 3.386;
		137	break;
		138	}
		139	break;
		140	case PLX_MAF: //MAF
		141	switch (units) {
		142	case 0: //g/s (grams per second)
		143	data = raw;
		144	break;
		145	case 1: //lb/min (pounds per minute)
		146	data = raw / 7.54;
		147	break;
		148	}
		149	break;
		150	case PLX_ShortFuel: //Short term fuel trim
		151	data = raw - 100; //Fuel trim %
		152	break;
		153	case PLX_LongFuel: //Long term fuel trim
		154	data = raw - 100; //Fuel trim %
		155	break;
		156	case PLX_NBO2: //Narrowband O2 sensor
		157	switch (units) {
		158	case 0: //Percent
		159	data = raw;
		160	break;
		161	case 1: //Volts
		162	data = raw / 78.43;
		163	break;
		164	}
		165	break;
		166	case PLX_Fuel: //Fuel level
		167	data = raw; //Fuel Level %
		168	break;
		169	case PLX_Volts: //Volts
		170	data = raw / 51.15; //Volt Meter Volts
		171	break;
		172	case PLX_Knock: //Knock
		173	data = raw / 204.6; //Knock volts 0-5
		174	break;
		175	case PLX_Duty: //Duty cycle
		176	switch (units) {
		177	case 0: //Positive Duty
		178	data = raw / 10.23;
		179	break;
		180	case 1: //Negative Duty
		181	data = 100 - (raw / 10.23);
		182	break;
		183	}
		184	break;
		185	}
		186	return data;
		187	}
		188
4	mjames	189
		190
15	mjames	191
		192
4	mjames	193	PLX_DisplayInfo DisplayInfo[] =
15	mjames	194	{ // Units, min, max, scaleticks, decimal places
4	mjames	195	[PLX_AFR] = { "AFR", 1, 10, 20, 1 , 1 }, // 10 to 20 , tick every 1 unit Wideband Air/Fuel
15	mjames	196	[PLX_EGT] = { "EGT", 0, 0, 1000, 100 , 0 }, //EGT
4	mjames	197	[PLX_FluidTemp] = { "Temp",0, 0, 200, 10 , 0 }, //Fluid Temp
		198	[PLX_Vac] = { "VAC", 0, -100, 0, 10, 0 }, //Vac
		199	[PLX_Boost] = { "Boost", 0, 0, 200, 10, 0 }, //Boost
		200	[PLX_AIT] = { "AIT", 0, 0, 100, 10, 0 }, //AIT
		201	[PLX_RPM] = { "RPM", 0, 0, 6000, 1000,0 }, // RPM
		202	[PLX_Speed] = { "Speed", 0, 0, 100, 10, 0 }, //Speed
		203	[PLX_TPS] = { "TPS", 0, 0, 100, 10, 0 }, //Throttle Position Sensor
		204	[PLX_Load] = { "Load" , 0, 0, 100, 10, 0 }, //Engine Load
		205	[PLX_FluidPressure] = { "Press", 0, 0, 100, 10, 0 }, //Fluid Pressure
15	mjames	206	[PLX_Timing] = { "Timing" , 0, -45, 45, 10, 0 }, //Engine timing
4	mjames	207	[PLX_MAP] = { "MAP" , 0, 0, 15, 1, 1 }, //MAP
		208	[PLX_MAF] = { "MAF", 0 , 0, 10, 1, 0 }, //MAF
		209	[PLX_ShortFuel] = { "ShFu", 0, 0, 100, 1, 0 }, //Short term fuel trim
		210	[PLX_LongFuel] = { "LoFu", 0, 0, 100, 1, 0 },//Long term fuel trim
		211	[PLX_NBO2] = { "NBO2", 0, 0, 1, 1, 2 },//Narrowband O2 sensor
		212	[PLX_Knock] = { "Knock", 0, 0, 5, 1, 1 }, //Knock
		213	[PLX_Fuel] = { "Fuel", 0, 0, 100, 10, 0 }, //Boost
		214	[PLX_Duty] = { "Duty", 0, 0, 100, 10, 0 }, //Duty cycle
14	mjames	215	[PLX_Volts] = { "Volts", 0, 0, 20, 5, 2 }, //Volts
15	mjames	216	[PLX_X_CHT] = { "CHT", 0, 0, 300, 100, 0 }, // Cylinder headd temperature
4	mjames	217	};
		218
15	mjames	219

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(root)/trunk/plx_lib/plx.c – Rev 15