Stream-decode msgpack responses instead of waiting for read timeout

lib/picoserial/picoserial.go

@@ -2,6 +2,7 @@ package picoserial
 
 import (
 	"fmt"
+	"io"
 	"time"
 
 	"go.bug.st/serial"
@@ -38,20 +39,12 @@ func (t *SerialTransport) Send(data []byte) error {
 	return err
 }
 
-func (t *SerialTransport) Receive(timeout time.Duration) ([]byte, error) {
+func (t *SerialTransport) SetReadTimeout(timeout time.Duration) {
 	t.port.SetReadTimeout(timeout)
-	var resp []byte
-	buf := make([]byte, 256)
-	for {
-		n, err := t.port.Read(buf)
-		if n > 0 {
-			resp = append(resp, buf[:n]...)
-		}
-		if err != nil || n == 0 {
-			break
-		}
-	}
-	return resp, nil
+}
+
+func (t *SerialTransport) Reader() io.Reader {
+	return t.port
 }
 
 func (t *SerialTransport) Close() error {