Debugged connection.

api/modem/at/at.go

@@ -86,7 +86,7 @@ func (p *atPort) makeReq(msg string) (string, error) {
 	}
 	// Read
 	readLen, err := p.port.Read(p.inputBuf)
-	log.Println("RAWREAD:", string(p.inputBuf[:readLen]))
+	log.Println(msg, "RAWREAD:", string(p.inputBuf[:readLen]))
 	if err != nil {
 		return "", fmt.Errorf("port read: %w", err)
 	}

api/modem/at/response.go

@@ -12,6 +12,6 @@ func (resp Resp) RmFront(str string) Resp {
 	return Resp(string(resp)[len(str):])
 }
 
-func (resp Resp) Str() string {
+func (resp Resp) String() string {
 	return string(resp)
 }