FreeEMS  0.2.0-SNAPSHOT-285-g028e24c
constantsLibrary.h
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1 /* FreeEMS - the open source engine management system
2  *
3  * Copyright 2012-2013 Fred Cooke
4  *
5  * This file is part of the FreeEMS project.
6  *
7  * FreeEMS software is free software: you can redistribute it and/or modify
8  * it under the terms of the GNU General Public License as published by
9  * the Free Software Foundation, either version 3 of the License, or
10  * (at your option) any later version.
11  *
12  * FreeEMS software is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15  * GNU General Public License for more details.
16  *
17  * You should have received a copy of the GNU General Public License
18  * along with any FreeEMS software. If not, see http://www.gnu.org/licenses/
19  *
20  * We ask that if you make any changes to this file you email them upstream to
21  * us at admin(at)diyefi(dot)org or, even better, fork the code on github.com!
22  *
23  * Thank you for choosing FreeEMS to run your engine!
24  */
25 
26 
27 /** @file
28  *
29  * @ingroup allHeaders
30  * @ingroup globalHeaders
31  *
32  * @brief Global physical constants and configuration library
33  *
34  * A convenient set of ready-to-use values for from-source builds.
35  */
36 
37 
38 /* Header file multiple inclusion protection courtesy eclipse Header Template */
39 /* and http://gcc.gnu.org/onlinedocs/gcc-3.1.1/cpp/ C pre processor manual */
40 #ifndef FILE_CONSTANTSLIBRARY_H_SEEN
41 #define FILE_CONSTANTSLIBRARY_H_SEEN
42 
43 
44 // Densities of various common fuels in grams per litre
45 #define densityOfOctane FUEL_DENSITY(703)
46 #define densityOfPetrol FUEL_DENSITY(720)
47 
48 // Stoichiometric AFRs for various common fuels. Generated with http://www.diyefi.org/calculators.htm#stoich
49 #define stoichiometricAFRMethane STOICH_AFR(17.245)
50 #define stoichiometricAFRPropane STOICH_AFR(15.685)
51 #define stoichiometricAFRLPG STOICH_AFR(15.599)
52 #define stoichiometricAFRButane STOICH_AFR(15.469)
53 #define stoichiometricAFROctane STOICH_AFR(15.137)
54 #define stoichiometricAFRPetrol STOICH_AFR(14.700)
55 #define stoichiometricAFRXylene STOICH_AFR(13.681)
56 #define stoichiometricAFRToluene STOICH_AFR(13.512)
57 #define stoichiometricAFRBenzene STOICH_AFR(13.282)
58 #define stoichiometricAFRE85 STOICH_AFR( 9.862)
59 #define stoichiometricAFREthanol STOICH_AFR( 9.008)
60 #define stoichiometricAFRMethanol STOICH_AFR( 6.475)
61 
62 // Wide-band input common configuration values
63 #define LC1LambdaMin LAMBDA(0.5)
64 #define LC1LambdaMax LAMBDA(1.5)
65 #define LC1LambdaRange (LC1LambdaMax - LC1LambdaMin) // 1.0
66 #define AFR1020LambdaMin LAMBDA(0.68)
67 #define AFR1020LambdaMax LAMBDA(1.36)
68 #define AFR1020LambdaRange (AFR1020LambdaMax - AFR1020LambdaMin) // 0.68
69 
70 
71 /* MAP Sensor Data Explanation
72  *
73  * Motorola/Freescale pressure sensor data obtained from the
74  * data sheets by extrapolation of the "typical" line to the
75  * borders of the transfer function chart. This gives us the
76  * correct values in the middle despite not being able to
77  * reach the ends of the scale.
78  *
79  * By min and max I mean the OV and 5V pressures that aren't
80  * attainable, but that give the correct function in between.
81  */
82 
83 
84 /* Honda Denso 1.8bar found on 88 - ?? Honda vehicles. */
85 #define HondaDenso183kPaMin KPA( -6.64) /* Pressure read at lowest ADC reading */
86 #define HondaDenso183kPaMax KPA(182.78) /* Pressure read at highest ADC reading */
87 #define HondaDenso183kPaRange (HondaDenso183kPaMax - HondaDenso183kPaMin)
88 
89 /* Toyota 2.3bar found on some Toyota Cynos 5E-FE cars (and probably many others), em_knaps and Lev8n are responsible for this data! */
90 #define ToyotaNA227kPaMin KPA( 25) /* Pressure read at lowest ADC reading */
91 #define ToyotaNA227kPaMax KPA(247) /* Pressure read at highest ADC reading */
92 #define ToyotaNA227kPaRange (ToyotaNA227kPaMax - ToyotaNA227kPaMin)
93 // NOTE: The accuracy of this calibration is highly questionable. Please use the Honda units which is configured above and known to be accurate
94 
95 /* GM 1bar found on naturally aspirated vehicles. Taken from http://www.robietherobot.com/storm/mapsensor.htm */
96 #define GM1BarMin KPA( 10.0) /* Pressure read at lowest ADC reading */
97 #define GM1BarMax KPA(105.0) /* Pressure read at highest ADC reading */
98 #define GM1BarRange (GM1BarMax - GM1BarMin)
99 
100 /* GM 2bar found on Cyclone Turbo V6 and probably other cars too. TODO These numbers are probably not that accurate... */
101 #define GM2BarMin KPA( 1.5) /* Pressure read at lowest ADC reading */
102 #define GM2BarMax KPA(200.0) /* Pressure read at highest ADC reading */
103 #define GM2BarRange (GM2BarMax - GM2BarMin)
104 
105 /* GM 3 bar data as from OEM sheet formula detailed in #freeems-ot 11th April 2015, see 1 bar comment for link. */
106 #define GM3BarMin KPA( 1.11) /* Pressure read at lowest ADC reading */
107 #define GM3BarMax KPA(315.58) /* Pressure read at highest ADC reading */
108 #define GM3BarRange (GM3BarMax - GM3BarMin)
109 
110 /* www.freescale.com/files/sensors/doc/data_sheet/MPX4100A.pdf */
111 #define MPX4100AMin KPA( 14.0) /* Pressure read at lowest ADC reading */
112 #define MPX4100AMax KPA(107.5) /* Pressure read at highest ADC reading */
113 #define MPX4100ARange (MPX4100AMax - MPX4100AMin)
114 
115 /* www.freescale.com/files/sensors/doc/data_sheet/MPXA6115A.pdf */
116 #define MPXA6115AMin KPA( 10.0) /* Pressure read at lowest ADC reading */
117 #define MPXA6115AMax KPA(120.0) /* Pressure read at highest ADC reading */
118 #define MPXA6115ARange (MPXA6115AMax - MPXA6115AMin)
119 
120 /* www.freescale.com/files/sensors/doc/data_sheet/MPX4250A.pdf */
121 #define MPX4250AMin KPA( 8) /* Pressure read at lowest ADC reading */
122 #define MPX4250AMax KPA(260) /* Pressure read at highest ADC reading */
123 #define MPX4250ARange (MPX4250AMax - MPX4250AMin)
124 
125 #define MPXH6300AMin KPA( 12) /* Pressure read at lowest ADC reading */
126 #define MPXH6300AMax KPA(320) /* Pressure read at highest ADC reading */
127 #define MPXH6300ARange (MPXH6300AMax - MPXH6300AMin)
128 
129 #define MPXH6400AMin KPA( 12) /* Pressure read at lowest ADC reading */
130 #define MPXH6400AMax KPA(420) /* Pressure read at highest ADC reading */
131 #define MPXH6400ARange (MPXH6400AMax - MPXH6400AMin)
132 
133 
134 // Tachometer default configuration
135 #define standardTachoArray {1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2}
136 #define standardTachoPorts {(unsigned char*)&PORTE,(unsigned char*)&PORTK,(unsigned char*)&PORTK,(unsigned char*)&PORTK}
137 #define standardTachoMasks {0x80,0x01,0x02,0x04}
138 
139 
140 // Voltage based small table default data
141 #define ARRAY_OF_16_VOLTAGES { V(6.0), V(7.2), V(8.4), V(9.0), V(9.6), V(10.2), V(10.8), V(11.4), V(12.0), V(12.6), V(13.2), V(13.8), V(14.4), V(17.8), V(21.0), V(24.5)}
142 #define ARRAY_OF_16_DEADTIMES { T(2.91), T(2.30), T(1.86), T(1.70), T(1.58), T(1.47), T(1.39), T(1.30), T(1.23), T(1.15), T(1.10), T(1.04), T(0.99), T(0.76), T(0.57), T(0.40)}
143 #define ARRAY_OF_ID1000_DEADTIMES { T(4.00), T(3.12), T(2.38), T(2.07), T(1.82), T(1.61), T(1.47), T(1.34), T(1.24), T(1.15), T(1.08), T(1.01), T(0.95), T(0.67), T(0.48), T(0.32)}
144 #define ARRAY_OF_16_DWELLS {T(14.55), T(11.50), T(9.30), T(8.50), T(7.90), T(7.35), T(6.95), T(6.50), T(6.15), T(5.75), T(5.48), T(5.20), T(4.95), T(3.80), T(2.85), T(2.00)}
145 
146 // Temperature based small table default data
147 #define ARRAY_OF_16_TEMPS { C(-30), C(-20), C(-10), C(0), C(10), C(20), C(30), C(40), C(50), C(60), C(70), C(80), C(90), C(100), C(110), C(120)}
148 #define ARRAY_OF_16_PERCENTS { W(250), W(235), W(220), W(205), W(190), W(175), W(160), W(145), W(130), W(118), W(108), W(100), W(100), W(110), W(120), W(130)}
149 #define ARRAY_OF_16_PERCENTS_WIDE { W(235), W(220), W(205), W(190), W(175), W(160), W(145), W(130), W(118), W(108), W(100), W(100), W(100), W(110), W(120), W(130)}
150 #define ARRAY_OF_16_VOLUMES {T(6.40), T(5.06), T(4.09), T(3.74), T(3.48), T(3.23), T(3.06), T(2.86), T(2.71), T(2.53), T(2.41), T(2.29), T(2.18), T(1.67), T(1.25), T(0.88)} // Time in ms, for now, NOT volume, yet
151 
152 // RPM based small table default data
153 #define ARRAY_OF_16_RPMS { RPM(500), RPM(1000), RPM(1500), RPM(2000), RPM(2500), RPM(3000), RPM(3500), RPM(4000), RPM(4500), RPM(5000), RPM(5500), RPM(6000), RPM(6500), RPM(7000), RPM(7500), RPM(8000)}
154 #define ARRAY_OF_16_DIS6_DWELLS { T(5.75), T(5.50), T(5.25), T(5.00), T(4.75), T(4.50), T(4.25), T(4.00), T(3.75), T(3.50), T(3.25), T(3.00), T(2.75), T(2.50), T(2.25), T(2.00)}
155 #define ARRAY_OF_16_BLENDS { SHORTMAX, SHORTMAX, SHORTMAX, LR(1.5), LR(1.0), LR(0.5), LR(0.0), LR(0.0), LR(0.0), LR(0.0), LR(0.0), LR(0.0), LR(0.0), LR(0.0), LR(0.0), LR(0.0)} // Hacky... TODO migrate TPS to full range and reuse that here too...
156 
157 // TODO YAGNI currently unused space fillers
158 #define ARRAY_OF_16_TIMES { 0, 4096, 8192, 12288, 16384, 20480, 24576, 28672, 32768, 36864, 40960, 45056, 49152, 53248, 57344, 61440}
159 
160 
161 #else
162  /* let us know if we are being untidy with headers */
163  #warning "Header file CONSTANTSLIBRARY_H seen before, sort it out!"
164 /* end of the wrapper ifdef from the very top */
165 #endif
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