Split info fetch from cmd/load into cmd/info

cmd/info/main.go

@@ -0,0 +1,48 @@
+package main
+
+import (
+	"fmt"
+	"os"
+	"time"
+
+	"github.com/theater/picomap/lib/client"
+	"github.com/theater/picomap/lib/picoserial"
+)
+
+func main() {
+	if err := run(); err != nil {
+		fmt.Fprintf(os.Stderr, "error: %v\n", err)
+		os.Exit(1)
+	}
+}
+
+func run() error {
+	dev, err := picoserial.FindDevice()
+	if err != nil {
+		return err
+	}
+	if dev == "" {
+		return fmt.Errorf("no device found")
+	}
+
+	fmt.Printf("Device: %s\n", dev)
+	t, err := picoserial.Open(dev)
+	if err != nil {
+		return err
+	}
+	c := client.New(t, 2*time.Second)
+	info, err := c.Info()
+	c.Close()
+	if err != nil {
+		return err
+	}
+
+	fmt.Printf("Board ID: %02X%02X%02X%02X%02X%02X%02X%02X\n",
+		info.BoardID[0], info.BoardID[1], info.BoardID[2], info.BoardID[3],
+		info.BoardID[4], info.BoardID[5], info.BoardID[6], info.BoardID[7])
+	fmt.Printf("MAC: %02X:%02X:%02X:%02X:%02X:%02X\n",
+		info.MAC[0], info.MAC[1], info.MAC[2],
+		info.MAC[3], info.MAC[4], info.MAC[5])
+
+	return nil
+}

cmd/load/main.go

@@ -65,32 +65,6 @@ func run(buildDir string) error {
 	fmt.Println("Rebooting...")
 	_ = picotool.Reboot()
 
-	time.Sleep(3 * time.Second)
-
-	dev, err = picoserial.FindDevice()
-	if err != nil {
-		return err
-	}
-	if dev != "" {
-		t, err := picoserial.Open(dev)
-		if err != nil {
-			return err
-		}
-		c := client.New(t, 2*time.Second)
-		info, err := c.Info()
-		c.Close()
-		if err != nil {
-			fmt.Fprintf(os.Stderr, "warning: Info request failed: %v\n", err)
-		} else {
-			fmt.Printf("Board ID: %02X%02X%02X%02X%02X%02X%02X%02X\n",
-				info.BoardID[0], info.BoardID[1], info.BoardID[2], info.BoardID[3],
-				info.BoardID[4], info.BoardID[5], info.BoardID[6], info.BoardID[7])
-			fmt.Printf("MAC: %02X:%02X:%02X:%02X:%02X:%02X\n",
-				info.MAC[0], info.MAC[1], info.MAC[2],
-				info.MAC[3], info.MAC[4], info.MAC[5])
-		}
-	}
-
 	fmt.Println("Done.")
 	return nil
 }