Change subscription/unsubcription logic

Add max, min and units to OBD2_PIDS and add some PIDS

Change-Id: I14b9c3dc8775674c47ea3e16c5cf2ba109a0bbef
Signed-off-by: Romain Forlot <romain.forlot@iot.bzh>

1 files changed, 106 insertions, 0 deletions

diff --git a/obd2.h b/obd2.h
new file mode 100644
index 0000000..940e5de
--- /dev/null
+++ b/obd2.h
@@ -0,0 +1,106 @@
+/*
+ * 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 },
+};
+ */