Add message IDs, transport interface, client package, extract protocol headers

cmd/load/main.go

@@ -7,9 +7,9 @@ import (
 	"path/filepath"
 	"time"
 
+	"github.com/theater/picomap/lib/client"
 	"github.com/theater/picomap/lib/picoserial"
 	"github.com/theater/picomap/lib/picotool"
-	"github.com/theater/picomap/lib/wire"
 )
 
 func main() {
@@ -40,27 +40,18 @@ func run(buildDir string) error {
 		return err
 	}
 	if dev != "" {
-		fmt.Printf("Sending bootsel request to %s...\n", dev)
-		req, err := wire.EncodeMessage(&wire.RequestBOOTSEL{})
-		if err != nil {
-			return fmt.Errorf("encoding request: %w", err)
-		}
-		resp, err := picoserial.SendAndReceive(dev, req, 2*time.Second)
+		fmt.Printf("Sending BOOTSEL request to %s...\n", dev)
+		t, err := picoserial.Open(dev)
 		if err != nil {
 			return err
 		}
-		if len(resp) > 0 {
-			msg, err := wire.DecodeMessage(resp)
-			if err != nil {
-				fmt.Fprintf(os.Stderr, "warning: failed to decode response: %v\n", err)
-			} else {
-				switch msg.(type) {
-				case *wire.ResponseBOOTSEL:
-					fmt.Println("Device confirmed reboot into BOOTSEL mode.")
-				default:
-					fmt.Printf("Unexpected response type: %T\n", msg)
-				}
-			}
+		c := client.New(t, 2*time.Second)
+		err = c.BOOTSEL()
+		c.Close()
+		if err != nil {
+			fmt.Fprintf(os.Stderr, "warning: BOOTSEL request failed: %v\n", err)
+		} else {
+			fmt.Println("Device confirmed reboot into BOOTSEL mode.")
 		}
 		time.Sleep(2 * time.Second)
 	}