Added sample ESP32 program

Can be built with Arduino IDE and edited with Eclipse CDT

.gitignore

@@ -2,3 +2,4 @@
 /schema/*/_autosave-*.sch
 /schema/*/*-backups
 
+/.metadata/

ESP32/.cproject

@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<?fileVersion 4.0.0?><cproject storage_type_id="org.eclipse.cdt.core.XmlProjectDescriptionStorage">
+	<storageModule moduleId="org.eclipse.cdt.core.settings">
+		<cconfiguration id="org.eclipse.cdt.core.default.config.1559961769">
+			<storageModule buildSystemId="org.eclipse.cdt.core.defaultConfigDataProvider" id="org.eclipse.cdt.core.default.config.1559961769" moduleId="org.eclipse.cdt.core.settings" name="Configuration">
+				<externalSettings/>
+				<extensions/>
+			</storageModule>
+			<storageModule moduleId="org.eclipse.cdt.core.externalSettings"/>
+		</cconfiguration>
+	</storageModule>
+	<storageModule moduleId="org.eclipse.cdt.core.LanguageSettingsProviders"/>
+	<storageModule moduleId="org.eclipse.cdt.make.core.buildtargets"/>
+	<storageModule moduleId="org.eclipse.cdt.core.pathentry">
+		<pathentry include="~/.arduino15/packages/esp32/hardware/esp32/1.0.6/cores/esp32" kind="inc" path="" system="true"/>
+		<pathentry include="~/.arduino15/packages/esp32/hardware/esp32/1.0.6/tools/sdk/include/newlib" kind="inc" path="" system="true"/>
+		<pathentry kind="out" path="build"/>
+		<pathentry kind="src" path=""/>
+	</storageModule>
+</cproject>

ESP32/.gitignore

@@ -0,0 +1 @@
+/build/

ESP32/.project

@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>ESP32</name>
+	<comment></comment>
+	<projects>
+	</projects>
+	<buildSpec>
+		<buildCommand>
+			<name>org.eclipse.cdt.core.cBuilder</name>
+			<triggers>clean,full,incremental,</triggers>
+			<arguments>
+			</arguments>
+		</buildCommand>
+	</buildSpec>
+	<natures>
+		<nature>org.eclipse.cdt.core.cnature</nature>
+		<nature>org.eclipse.cdt.core.ccnature</nature>
+		<nature>org.eclipse.cdt.make.core.makeNature</nature>
+	</natures>
+</projectDescription>

ESP32/ESP32.ino

@@ -0,0 +1,3 @@
+// This file only exists to make the Arduino IDE happy
+// The actual entry points are in vehicle-monitor.cpp (because .ino extension is non-standard)
+// Notice we don't even need to include anything as the Arduino IDE automatically compiles all .cpp files that are in the sketch folder

ESP32/vehicle-monitor.cpp

@@ -0,0 +1,31 @@
+/* The true ESP32 chip ID is essentially its MAC address.
+This sketch provides an alternate chip ID that matches 
+the output of the ESP.getChipId() function on ESP8266 
+(i.e. a 32-bit integer matching the last 3 bytes of 
+the MAC address. This is less unique than the 
+MAC address chip ID, but is helpful when you need 
+an identifier that can be no more than a 32-bit integer 
+(like for switch...case).
+
+created 2020-06-07 by cweinhofer
+with help from Cicicok */
+
+#include <Arduino.h>
+	
+uint32_t chipId = 0;
+
+void setup() {
+	Serial.begin(115200);
+}
+
+void loop() {
+	for(int i=0; i<17; i=i+8) {
+	  chipId |= ((ESP.getEfuseMac() >> (40 - i)) & 0xff) << i;
+	}
+
+	Serial.printf("ESP32 Chip model = %s Rev %d\n", ESP.getChipModel(), ESP.getChipRevision());
+	Serial.printf("This chip has %d cores\n", ESP.getChipCores());
+  Serial.print("Chip ID: "); Serial.println(chipId);
+  
+	delay(3000);
+}