qshell update orb usage

src/drivers/qshell/posix/qshell.h

@@ -41,15 +41,19 @@
 #pragma once
 
 #include <px4_platform_common/app.h>
-#include "uORB/topics/qshell_req.h"
+#include <uORB/Publication.hpp>
+#include <uORB/Subscription.hpp>
+#include <uORB/topics/qshell_req.h>
+#include <uORB/topics/qshell_retval.h>
+
 #include <vector>
 #include <string>
 
 class QShell
 {
 public:
-	QShell() {}
-	~QShell() {}
+	QShell() = default;
+	~QShell() = default;
 
 	int main(std::vector<std::string> argList);
 
@@ -59,7 +63,9 @@ private:
 	int _send_cmd(std::vector<std::string> &argList);
 	int _wait_for_retval();
 
-	static orb_advert_t _pub_qshell_req;
-	static int _sub_qshell_retval;
-	static uint32_t _current_sequence;
+	uORB::Publication<qshell_req_s>	_qshell_req_pub{ORB_ID(qshell_req)};
+
+	uORB::Subscription		_qshell_retval_sub{ORB_ID(qshell_retval)};
+
+	uint32_t			_current_sequence{0};
 };