Initial magic

go.mod

@@ -0,0 +1,9 @@
+module gitea.ligthert.net/golang/cartracker
+
+go 1.24.0
+
+require (
+	github.com/rzetterberg/elmobd v0.0.0-20240426091703-01e7bbc11e6c // indirect
+	github.com/tarm/serial v0.0.0-20180830185346-98f6abe2eb07 // indirect
+	golang.org/x/sys v0.30.0 // indirect
+)

go.sum

@@ -0,0 +1,6 @@
+github.com/rzetterberg/elmobd v0.0.0-20240426091703-01e7bbc11e6c h1:+KTTRRXwNEZaby+mTA5o8vbeLFtffJ8rDCw/E4zEE0A=
+github.com/rzetterberg/elmobd v0.0.0-20240426091703-01e7bbc11e6c/go.mod h1:pjUsxTi7MfZhog8b0rwIxtddeBI35SxEi8mNOQgzSO8=
+github.com/tarm/serial v0.0.0-20180830185346-98f6abe2eb07 h1:UyzmZLoiDWMRywV4DUYb9Fbt8uiOSooupjTq10vpvnU=
+github.com/tarm/serial v0.0.0-20180830185346-98f6abe2eb07/go.mod h1:kDXzergiv9cbyO7IOYJZWg1U88JhDg3PB6klq9Hg2pA=
+golang.org/x/sys v0.30.0 h1:QjkSwP/36a20jFYWkSue1YwXzLmsV5Gfq7Eiy72C1uc=
+golang.org/x/sys v0.30.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=

main.go

@@ -0,0 +1,103 @@
+package main
+
+import (
+	"flag"
+	"fmt"
+	"os"
+
+	"github.com/rzetterberg/elmobd"
+)
+
+func main() {
+	addr := flag.String(
+		"addr",
+		"test:///dev/ttyUSB0",
+		"Address of the ELM327 device to use (use either test://, tcp://ip:port or serial:///dev/ttyS0)",
+	)
+	debug := flag.Bool(
+		"debug",
+		false,
+		"Enable debug outputs",
+	)
+
+	flag.Parse()
+
+	dev, err := elmobd.NewDevice(*addr, *debug)
+
+	if err != nil {
+		fmt.Println("Failed to create new device", err)
+		return
+	}
+
+	supported, err := dev.CheckSupportedCommands()
+
+	if err != nil {
+		fmt.Println("Failed to check supported commands", err)
+		return
+	}
+
+	allCommands := elmobd.GetSensorCommands()
+	carCommands := supported.FilterSupported(allCommands)
+
+	version, err := dev.GetVersion()
+	if err != nil {
+		fmt.Println("Error fetching version")
+		return
+	}
+	fmt.Println("Working with version", version)
+
+	voltage, err := dev.GetVoltage()
+	if err != nil {
+		fmt.Println("Error getting voltage")
+		return
+	}
+	fmt.Printf("Voltage: %fv\n", voltage)
+
+	ignition, err := dev.GetIgnitionState()
+	if err != nil {
+		fmt.Println("Failed getting ignation state")
+	}
+
+	if ignition {
+		fmt.Println("ignition is turned on")
+	} else {
+		fmt.Println("ignition is turned off")
+	}
+
+	// fmt.Println("All commands:")
+	// fmt.Println(allCommands)
+	// fmt.Println("Car commands")
+	// fmt.Println(carCommands)
+
+	var commands []elmobd.OBDCommand
+
+	fmt.Printf("%d of %d commands supported:\n", len(carCommands), len(allCommands))
+
+	for _, cmd := range carCommands {
+		fmt.Printf("- %s supported\n", cmd.Key())
+
+		if cmd.Key() == "coolant_temperature" {
+			commands = append(commands, elmobd.NewCoolantTemperature())
+		}
+
+		if cmd.Key() == "short_term_fuel_trim_bank1" {
+			commands = append(commands, elmobd.NewShortFuelTrim1())
+		}
+
+		if cmd.Key() == "engine_rpm" {
+			commands = append(commands, elmobd.NewEngineRPM())
+		}
+
+	}
+
+	outputs, err := dev.RunManyOBDCommands(commands)
+	if err != nil {
+		fmt.Println("Something went very wrong! ", err)
+		os.Exit(1)
+	}
+
+	for _, value := range outputs {
+		fmt.Printf("%s => %s\n", value.Key(), value.ValueAsLit())
+	}
+
+}