Switch commands to slog, disable net_poll pending fix

cmd/info/main.go

@@ -1,7 +1,8 @@
 package main
 
 import (
-	"fmt"
+	"encoding/hex"
+	"log/slog"
 	"net"
 	"os"
 	"sync"
@@ -18,7 +19,7 @@ type deviceResult struct {
 
 func main() {
 	if err := run(); err != nil {
-		fmt.Fprintf(os.Stderr, "error: %v\n", err)
+		slog.Error("fatal", "err", err)
 		os.Exit(1)
 	}
 }
@@ -29,39 +30,46 @@ func run() error {
 		return err
 	}
 	if len(devs) == 0 {
-		return fmt.Errorf("no devices found")
+		slog.Error("no devices found")
+		os.Exit(1)
 	}
 
 	results := make([]deviceResult, len(devs))
 	var wg sync.WaitGroup
 	for i, dev := range devs {
 		results[i].dev = dev
+		log := slog.With("dev", dev)
 		wg.Go(func() {
+			log.Info("connecting")
 			c, err := client.NewSerial(dev, 2*time.Second)
 			if err != nil {
 				results[i].err = err
 				return
 			}
+			log.Info("requesting info")
 			info, err := c.Info()
 			c.Close()
+			if err != nil {
+				results[i].err = err
+				return
+			}
+			log.Info("got info", "firmware", info.FirmwareName)
 			results[i].info = info
-			results[i].err = err
 		})
 	}
 	wg.Wait()
 
 	for _, r := range results {
-		fmt.Printf("Device: %s\n", r.dev)
 		if r.err != nil {
-			fmt.Fprintf(os.Stderr, "  error: %v\n", r.err)
+			slog.Error("device error", "dev", r.dev, "err", r.err)
 			continue
 		}
-		fmt.Printf("  Board ID: %02X%02X%02X%02X%02X%02X%02X%02X\n",
-			r.info.BoardID[0], r.info.BoardID[1], r.info.BoardID[2], r.info.BoardID[3],
-			r.info.BoardID[4], r.info.BoardID[5], r.info.BoardID[6], r.info.BoardID[7])
-		fmt.Printf("  MAC: %s\n", net.HardwareAddr(r.info.MAC[:]))
-		fmt.Printf("  IP: %s\n", net.IP(r.info.IP[:]))
-		fmt.Printf("  Firmware: %s\n", r.info.FirmwareName)
+		slog.Info("device",
+			"dev", r.dev,
+			"board_id", hex.EncodeToString(r.info.BoardID[:]),
+			"mac", net.HardwareAddr(r.info.MAC[:]).String(),
+			"ip", net.IP(r.info.IP[:]).String(),
+			"firmware", r.info.FirmwareName)
 	}
 
 	return nil