solar-toolkit/main.go

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package main
import (
"flag"
"fmt"
"log"
"net"
"os"
"strings"
"git.netflux.io/rob/goodwe-go/command"
)
func main() {
var ipAddr string
flag.StringVar(&ipAddr, "ipaddr", "", "IP address/port")
flag.Parse()
if ipAddr == "" {
flag.Usage()
os.Exit(1)
}
fmt.Println("ipAddr", ipAddr)
conn, err := net.Dial("udp", ipAddr)
if err != nil {
log.Fatalf("error dialing: %s", err)
}
defer conn.Close()
infoCmd, err := command.NewAA55("010200", "0182")
if err != nil {
log.Fatalf("error building command: %s", err)
}
resp, err := command.Send(infoCmd, conn)
if err != nil {
log.Fatalf("error sending command: %s", err)
}
modelName := strings.TrimSpace(string(resp[12:22]))
serialNum := string(resp[38:54])
log.Printf("modelName = %q, serialNum = %q\n", modelName, serialNum)
dataCmd := command.NewModbus(command.ModbusCommandTypeRead, 0x891c, 0x007d)
resp, err = command.Send(dataCmd, conn)
if err != nil {
log.Fatalf("error sending command: %s", err)
}
log.Printf("rcvd modbus resp = %X", resp)
}