1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
|
/*
* Copyright (C) 2015, 2016 "IoT.bzh"
* Author "Romain Forlot" <romain.forlot@iot.bzh>
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/*
* A representation of an OBD-II PID.
*
* pid - The 1 byte PID.
* name - A human readable name to use for this PID when published.
* frequency - The frequency to request this PID if supported by the vehicle
* when automatic, recurring OBD-II requests are enabled.
*/
enum UNIT {
POURCENT,
DEGREES_CELSIUS,
KPA,
RPM,
GRAMS_SEC,
SECONDS,
KM,
KM_H,
PA,
NM
};
const char *UNIT_NAMES[10] = {
"POURCENT",
"DEGREES_CELSIUS",
"KPA",
"RPM",
"GRAMS_SEC",
"SECONDS",
"KM",
"KM_H",
"PA",
"NM"
};
typedef struct _Obd2Pid {
uint8_t pid;
const char* name;
const int min;
const int max;
enum UNIT unit;
int frequency;
} Obd2Pid;
/*
* Pre-defined OBD-II PIDs to query for if supported by the vehicle.
*/
const Obd2Pid OBD2_PIDS[] = {
{ pid: 0x4, name: "engine.load", min:0, max: 100, unit: POURCENT, frequency: 5 },
{ pid: 0x5, name: "engine.coolant.temperature", min: -40, max: 215, unit: DEGREES_CELSIUS, frequency: 1 },
{ pid: 0xa, name: "fuel.pressure", min: 0, max: 765, unit: KPA, frequency: 1 },
{ pid: 0xb, name: "intake.manifold.pressure", min: 0, max: 255, unit: KPA, frequency: 1 },
{ pid: 0xc, name: "engine.speed", min: 0, max: 16383, unit: RPM, frequency: 5 },
{ pid: 0xd, name: "vehicle.speed", min: 0, max: 255, unit: KM_H, frequency: 5 },
{ pid: 0xf, name: "intake.air.temperature", min: -40, max:215, unit: DEGREES_CELSIUS, frequency: 1 },
{ pid: 0x10, name: "mass.airflow", min: 0, max: 655, unit: GRAMS_SEC, frequency: 5 },
{ pid: 0x11, name: "throttle.position", min: 0, max: 100, unit: POURCENT, frequency: 5 },
{ pid: 0x1f, name: "running.time", min: 0, max: 65535, unit: SECONDS, frequency: 1 },
{ pid: 0x2d, name: "EGR.error", min: -100, max: 99, unit: POURCENT, frequency: 0 },
{ pid: 0x2f, name: "fuel.level", min: 0, max: 100, unit: POURCENT, frequency: 1 },
{ pid: 0x33, name: "barometric.pressure", min: 0, max: 255, unit: KPA, frequency: 1 },
{ pid: 0x4c, name: "commanded.throttle.position", min: 0, max: 100, unit: POURCENT, frequency: 1 },
{ pid: 0x52, name: "ethanol.fuel.percentage", min: 0, max: 100, unit: POURCENT, frequency: 1 },
{ pid: 0x5a, name: "accelerator.pedal.position", min: 0, max: 100, unit: POURCENT, frequency: 5 },
{ pid: 0x5b, name: "hybrid.battery-pack.remaining.life", min: 0, max: 100, unit: POURCENT, frequency: 5 },
{ pid: 0x5c, name: "engine.oil.temperature",min: -40, max: 210, unit: DEGREES_CELSIUS, frequency: 1 },
{ pid: 0x63, name: "engine.torque", min: 0, max: 65535, unit: NM, frequency: 1 },
};
/*
{ pid: 0x4, name: "engine.load", frequency: 5 },
{ pid: 0x5, name: "engine.coolant.temperature", frequency: 1 },
{ pid: 0xa, name: "fuel.pressure", frequency: 1 },
{ pid: 0xb, name: "intake.manifold.pressure", frequency: 1 },
{ pid: 0xc, name: "engine.speed", frequency: 5 },
{ pid: 0xd, name: "vehicle.speed", frequency: 5 },
{ pid: 0xf, name: "intake.air.temperature", frequency: 1 },
{ pid: 0x10, name: "mass.airflow", frequency: 5 },
{ pid: 0x11, name: "throttle.position", frequency: 5 },
{ pid: 0x1f, name: "running.time", frequency: 1 },
{ pid: 0x27, name: "fuel.level", frequency: 1 },
{ pid: 0x33, name: "barometric.pressure", frequency: 1 },
{ pid: 0x4c, name: "commanded.throttle.position", frequency: 1 },
{ pid: 0x52, name: "ethanol.fuel.percentage", frequency: 1 },
{ pid: 0x5a, name: "accelerator.pedal.position", frequency: 5 },
{ pid: 0x5c, name: "engine.oil.temperature", frequency: 1 },
{ pid: 0x63, name: "engine.torque", frequency: 1 },
};
*/
|