Stanford Research Instruments PTC10

README.md

Stanford Research Instruments PTC10

Usage

go run main.go > time_date.csv

Show help for optional arguments:

go run main.go -h

main.go

package main

import (
	"context"
	"flag"
	"io"
	"log"
	"net"
	"os"
	"time"
)

var hostname string
var connTimeout float64
var samplePeriod float64

func main() {
	flag.StringVar(&hostname, "hostname", "10.163.103.187:23", "The hostname of the SRC PTC01 controller")
	flag.Float64Var(&connTimeout, "connection-timeout", 5, "The timeout of the connection in seconds")
	flag.Float64Var(&samplePeriod, "sample-period", 1, "The sample period in seconds")
	flag.Parse()

	ctx, cancel := context.WithTimeout(context.Background(), time.Duration(connTimeout)*time.Second)
	defer cancel()

	var d net.Dialer
	conn, err := d.DialContext(ctx, "tcp", hostname)
	if err != nil {
		log.Fatalf("failed to connect to %s: %s", hostname, err)
	}
	defer conn.Close()

	go func() {
		_, err := io.Copy(os.Stdout, conn)
		if err != nil {
			log.Fatalf("failed to receive data: %s", err)
		}
	}()

	if err := requestHeader(conn); err != nil {
		log.Fatalf("failed to request headers: %s", err)
	}

	for range time.Tick(time.Second * time.Duration(samplePeriod)) {
		requestRecord(conn)
	}
}

func requestHeader(conn net.Conn) error {
	_, err := conn.Write([]byte("getOutput.names\r\n"))
	return err
}

func requestRecord(conn net.Conn) error {
	_, err := conn.Write([]byte("getOutputs\r\n"))
	return err
}